Tektronix P6434 Instructions Manual

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Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. Tektronix, Inc., P.O. Box 500, Beaverton, OR 97077 TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

workmanship for a period of one (1) year from the date of shipment. If a product proves defective during this warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product. In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service. Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations. This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product; b) to repair damage resulting from improper use or connection to incompatible equipment; c) to repair any damage or malfunction caused by the use of non-Tektronix supplies; or d) to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product. THIS WARRANTY IS GIVEN BY TEKTRONIX IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX’ RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

i Table of Contents General Safety Summary v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preface vii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Contacting Tektronix viii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Basics Product Description 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Labels 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Color Coded Labels 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Applying Labels 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting the P6434 Probe to the Target System 7 . . . . . . . . . . . . . . . . . . . . . . Direct Connection 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Low-Profile Extender Connection(Optional Accessory) 9 . . . . . . . . . . . . . . P6434 Reduced Bias Voltage Adapter Connection 10 . . . . . . . . . . . . . . . . . . . Compression-on-PCB to P6434 Mictor Adapter 12 . . . . . . . . . . . . . . . . . . . . Disconnecting the P6434 Probe from the Target System 14 . . . . . . . . . . . . . . . . . . Designing an Interface Between a P6434 Probe and a Target System Mictor Connectors and Latch Housings 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dimensions and Placement of Compatible Mictor Connectors 17 . . . . . . . . . . . . . Direct Connection 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Low-Profile Extender Connection 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mechanical Layout and Pin Numbering Sequence of Compatible Mictor Connectors 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pin 1 Indicator 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AMP Probe Channel Assignments (Preferred) 21 . . . . . . . . . . . . . . . . . . . . . . . . . . Nonstandard Probe Channel Assignments (Not Recommended) 24 . . . . . . . . . . . Loading and Equivalent Circuits 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reference Maintenance 29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Circuit Description 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Specifications 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Disassembling the Probe 33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Probe Tip 33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Latch Release Grip 34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Module End 35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reassembling the Probe 36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Probe Tip 36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Latch Release Grip 38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Module End 40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Functional Verification 41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replaceable Parts

ii P6434 Probe Instructions List of Figures Figure 1: P6434 Mass Termination Probe 2 . . . . . . . . . . . . . . . . . . . . . . Figure 2: Locating the probe-tip connector 4 . . . . . . . . . . . . . . . . . . . . Figure 3: End view of the probe-tip connector 4 . . . . . . . . . . . . . . . . . . Figure 4: Other indicators for pin 1 side 5 . . . . . . . . . . . . . . . . . . . . . . . Figure 5: Location of the pin 38 side label on the probe-tip connector 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 6: Applying labels to the module-end connectors 6 . . . . . . . . . . Figure 7: Connecting to a surface- or straddle-mounted connector 8 . Figure 8: Connecting the low-profile extender 9 . . . . . . . . . . . . . . . . . . Figure 9: Connecting the Reduced Bias Voltage adapter 10 . . . . . . . . . Figure 10: Connecting the Reduced Bias Voltage adapter to the low-profile extender 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 11: Compression-on-PCB to P6434 Mictor adapter 12 . . . . . . . . Figure 12: Clearance for probe connection using Compression-on-PCB to P6434 Mictor adapter 13 . . . . . . . . . . . . . . Figure 13: Releasing the probe tip from the latch housing 14 . . . . . . . . Figure 14: Latch housing dimensions 16 . . . . . . . . . . . . . . . . . . . . . . . . . Figure 15: Dimensions and placement of a surface-mounted Mictor connector with latch housing 17 . . . . . . . . . . . . . . . . . . . . . . . Figure 16: Side view and dimensions of the low-profile extender 18 . . . Figure 17: Surface-mounted connector layout (component side) 19 . . . Figure 18: Straddle-mounted connector layout (component side) 20 . . Figure 19: Equivalent circuit for the P6434 probe 27 . . . . . . . . . . . . . . . Figure 20: Equivalent circuit for the P6434 probe with a low-profile extender 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 21: Vertical dimensions of the P6434 probe and low--profile extender 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 22: Vertical dimensions of the P6434 probe and Reduced Bias Voltage Adapter 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 23: Disassembling the P6434 probe tip 33 . . . . . . . . . . . . . . . . . . Figure 24: Disassembling the latch release grip 34 . . . . . . . . . . . . . . . . . Figure 25: Disassembling the module end 35 . . . . . . . . . . . . . . . . . . . . . . Figure 26: Mictor connector circuit board and board holder 36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 27: Positioning the elastomer connector 37 . . . . . . . . . . . . . . . . . Figure 28: Positioning the circuit board in the probe 37 . . . . . . . . . . . .

P6434 Probe Instructions iii Figure 29: Reattaching the latch releases and case halves 38 . . . . . . . . . Figure 30: Reattaching the latch release cords to the latch releases 39 . Figure 31: Reconnecting the latch release cords to the latch release grip 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 32: Reassembling the module end 40 . . . . . . . . . . . . . . . . . . . . . . Figure 33: Jumper and connector locations on the test fixture 41 . . . . . Figure 34: Example of the Activity Indicator dialog box 42 . . . . . . . . . Figure 35: P6434 probe exploded view 49 . . . . . . . . . . . . . . . . . . . . . . . . Figure 36: Optional accessories 50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

iv P6434 Probe Instructions List of Tables Table 1: Color coded label combinations (136 and 102 channel module) 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 2: Color coded label combinations (34 and 68 channel module) 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 3: Compatible Mictor connectors 15 . . . . . . . . . . . . . . . . . . . . . . . Table 4: Preferred pin assignments (AMP) for Mictor connector (component side) 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 5: Pin 1 side probe channel assignments 22 . . . . . . . . . . . . . . . . . Table 6: Pin 38 side probe channel assignments 22 . . . . . . . . . . . . . . . . Table 7: Nonstandard pin assignment for Mictor connector (component side) 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 8: Pin 1 side probe channel assignments (nonstandard) 25 . . . . Table 9: Pin 38 side probe channel assignments (nonstandard) 25 . . . Table 10: Lossy delay line values 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 11: Electrical specifications 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 12: Environmental specifications 31 . . . . . . . . . . . . . . . . . . . . . . . Table 13: Certifications and compliances 31 . . . . . . . . . . . . . . . . . . . . . .

v General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. To avoid potential hazards, use this product only as specified. Only qualified personnel should perform service procedures. While using this product, you may need to access other parts of the system. Read the General Safety Summary in other system manuals for warnings and cautions related to operating the system. Connect and Disconnect Properly. Do not connect or disconnect probes or test leads while they are connected to a voltage source. Observe All Terminal Ratings. To avoid fire or shock hazard, observe all ratings and markings on the product. Consult the product manual for further ratings information before making connections to the product. Do not apply a potential to any terminal, including the common terminal, that exceeds the maximum rating of that terminal. Use Proper AC Adapter. Use only the AC adapter specified for this product. Do Not Operate Without Covers. Do not operate this product with covers or panels removed. Use Proper Fuse. Use only the fuse type and rating specified for this product. Avoid Exposed Circuitry. Do not touch exposed connections and components when power is present. Do Not Operate With Suspected Failures. If you suspect there is damage to this product, have it inspected by qualified service personnel. Do Not Operate in Wet/Damp Conditions. Do Not Operate in an Explosive Atmosphere. Keep Product Surfaces Clean and Dry. Provide Proper Ventilation. Refer to the manual’s installation instructions for details on installing the product so it has proper ventilation. To Avoid Fire or Personal Injury

vi P6434 Probe Instructions Terms in this Manual. These terms may appear in this manual: WARNING. Warning statements identify conditions or practices that could result in injury or loss of life. CAUTION. Caution statements identify conditions or practices that could result in damage to this product or other property. Terms on the Product. These terms may appear on the product: DANGER indicates an injury hazard immediately accessible as you read the marking. WARNING indicates an injury hazard not immediately accessible as you read the marking. CAUTION indicates a hazard to property including the product. Symbols on the Product. The following symbols may appear on the product: Protective Ground (Earth) Terminal CAUTION Refer to Manual Double Insulated WARNING High Voltage Symbols and Terms

vii Preface These instructions cover the following topics:
Operating basics
Designing an interface between the P6434 probe and a target sytem
Service information
Replaceable parts list Information in these instructions assumes your target system is based on a microprocessor. If your target system is not based on a microprocessor, you should substitute the type of device on which your system is based for “microprocessor” throughout these instructions. For information on how to connect P6434 Mass Termination Probes to a Tektronix microprocessor support (TMS) probe adapter, refer to the instruction manual for the TMS package.

Contacting Tektronix Phone 1-800-833-9200* Address Tektronix, Inc. Department or name (if known) 14200 SW Karl Braun Drive P.O. Box 500 Beaverton, OR 97077 USA Web site www.tektronix.com Sales support 1-800-833-9200, select option 1* Service support 1-800-833-9200, select option 2* Technical support Email: [email protected] 1-800-833-9200, select option 3* 6:00 a.m. -- 5:00 p.m. Pacific time * This phone number is toll free in North America. After office hours, please leave a voice mail message. Outside North America, contact a Tektronix sales office or distributor; see the Tektronix web site for a list of offices.

1 Operating Basics The P6434 Mass Termination Probe allows you to connect 34 logic analyzer channels to a microprocessor probe adapter or directly to your target system in one fourth the physical area needed to connect standard probes. You can reduce the vertical clearance dimension to less than a half inch if you use the low-profile extender. If you use a P6434 Reduced Bias Voltage adapter, you can reduce the pull-up voltage that the P6434 probe delivers to the system under test. The pull-up voltage reduces from 2.2 volts to 1.1 volts at the same time the DC input resistance changes from 20 kΩto 10 kΩ. If you are using TLA6xx or TLA7Lx/Mx/Nx/Px/Qx logic analyzer modules you can take advantage of the new compression footprint and eliminate the need for Mictor connectors in your target system with a Compression-on-PCB to P6434 Mictor adapter. Without a Compression-on-PCB to P6434 Mictor adapter, you must include compatible Mictor connectors in your circuit board design to connect directly to your target system. To do this, be sure you understand the requirements and conform to the guidelines for designing an interface in these instructions. For additional information on designing an interface see the 071-1059--xx P6810, P6860, and P6880 Logic Analyzer Probes Instruction Manual. This section contains information on the following topics and tasks:
Product description
Applying labels
Connecting probes to and disconnecting probes from a target system

Product Description The P6434 probe can acquire data from 32 input/output signals and two clocks, one clock and one qualifier, or two qualifier signals. The probe has connectors on each end. One end is called the probe tip and connects to your target system. The other ends are called the module ends and connect to the logic analyzer. Figure 1 shows the P6434 probe. Probe-tip connector Module-end connectors Figure 1: P6434 Mass Termination Probe

3 Labels The P6434 probe labels are color coded to match the probe connectors on the logic analyzer. The P6434 probe is shipped with a sheet of labels, a Read This First sheet, and a P6434 Instructions Manual. The Table 1 labeling scheme for P6434 probes occurs on most microprocessor support packages and target systems for signal and channel assignments. NOTE. Use one Pin 1 label for each probe connector. Do not use two labels with a pin 1 indicator or two labels without a pin 1 indicator on a single probe. Table 1: Color coded label combinations (136 and 102 channel module) Address Color on Pin 1 side Tan (CK:0, A3:7--0, A2:7--0) Color on Pin 38 side Orange (CK:1, A1:7--0, A0:7--0) Data Color on Pin 1 side Blue (QUAL:0, D3:7--0, D2:7--0) Color on Pin 38 side Yellow (CK:2, D1:7--0, D0:7--0) Control Color on Pin 1 side White (CK:3, C3:7--0, C2:7--0) Color on Pin 38 side Gray (QUAL:1, C1:7--0, C0:7--0) Extended (136 channel module only) Color on Pin 1 side Green (QUAL:3, E3:7--0, E2:7--0) Color on Pin 38 side Violet (QUAL:2, E1:7--0, E0:7--0) The labeling scheme for the P6434 probe is shown in Table 2 for a 34 or 68 channel module. Use the extra labels from the label sheet. Table 2: Color coded label combinations (34 and 68 channel module) For a 34 channel module Color on Pin 1 side (Control) White (CK:3, C3:7--0, C2:7--0) Color on Pin 38 side (Address) Blank (write in, CK:0, A3:7--0, A2:7--0) For a 68 channel module Color on Pin 1 side (Address) Tan (CK:0, A3:7--0, A2:7--0) Color on Pin 38 side (Address) Orange (CK:1, A1:7--0, A0:7--0) Color on Pin 1 side (Control) White (CK:3, C3:7--0, C2:7--0) Color on Pin 38 side (Data) Yellow (CK:2, D1:7--0, D0:7--0) Color Coded Labels Customizing Labels for a 34 or 68 Channel Module

To apply labels to the probe, follow these steps: 1. Locate the labels you need for the P6434 probe from the provided sheet of labels, but do not peel them off yet. If you need help determining which labels to use, see steps a and b. a. Look at the logic analyzer module and determine which channel group you want to connect the P6434 probe to. b. Look at the sheet of labels and locate the labels that match the logic analyzer channel group you need to use. Notice that there are two different sizes of labels for each channel group.
Probe-tip labels (smaller)
Module-end labels (larger)
Blank labels (custom channel combinations not recommended) 2. Locate the probe-tip end of the P6434 connector (see Figure 2). Probe tip Figure 2: Locating the probe-tip connector 3. Locate the pin 1 side of the probe-tip connector by using Figure 3 (end view of the probe-tip connector). Pin 1 side Pin 38 side Note: The position of the bent waves, the angled ends, are up on the Pin 1 side Metal connector Figure 3: End view of the probe-tip connector 4. Remove the pin 1 side label that you need from the sheet of labels. 5. Apply the pin 1 side label to the pin 1 side of the probe-tip connector. Applying Labels

5 NOTE. You can also use the small pin 1 recess or the beveled corners on the probe tip end of the connector, but both are difficult to find (see Figure 4). Pin 1 Recess Beveled corner Pin 1 side Figure 4: Other indicators for pin 1 side 6. Apply the associated pin 38 side label to the probe tip (see Figure 5). If necessary, see Tables 1 or 2 on page 3 for label information. Pin 1 side Pin 38 side Associated probe tip labels (see Tables 1 and 2 on page 3) Figure 5: Location of the pin 38 side label on the probe-tip connector 7. Apply the module-end labels to the module-end connectors (see Figure 6). To avoid mislabelling, hold the probe-tip connector in your hand and follow

the cable to the model-end connector. Match the color of the module-end label to the probe-tip label. Module-end label Probe-tip label Other side Match label colors Match label colors Figure 6: Applying labels to the module-end connectors

7 Connecting the P6434 Probe to the Target System The P6434 probe can connect to surface-mounted or straddle-mounted Mictor connectors. You can use the low-profile extender (available as an optional accessory) to connect the probe to systems with as little as a half inch of clearance between circuit boards. You can also install optional latch housings around the connector to provide positive retention of the probe. In the following procedures, a surface-mounted Mictor connector is shown in the figures. These procedures are the same for the straddle-mounted connector. To connect the P6434 probe to a Mictor connector in your target system (or on a TMS probe adapter), follow these steps: 1. Line up the pin 1 indicator on the probe tip with pin 1 on the connector in your target system. The Mictor connector is keyed to prevent incorrect connections. CAUTION. To avoid damaging the probe and target system, always position the probe perpendicular to the mating connector and gently connect the probe. Incorrect handling of the probe while connecting it to the target system can result in damage to the P6434 probe or to the mating connector in the target system. NOTE. If you have custom channel combinations for the mictor connector on your target system, use the blank sheet of labels to create your own pin 1 and pin 38 side labels. Use one Pin 1 label for each probe connector. Do not use two labels with a pin 1 indicator or two labels without a pin 1 indicator on a single probe. Custom labeling is an option, though not recommended. Direct Connection

2. Position the probe tip perpendicular to the mating connector, and gently connect the probe as shown in Figure 7. 3. When connected, push down the latch releases on the probe to set the latch. Optional latch housing Pin 1 Push down to latch after probe is connected Push down to latch after probe is connected Optional latch housing Pin 1 Pin 1 Figure 7: Connecting to a surface- or straddle-mounted connector 4. Connect the module-end connector to the corresponding connector on the logic analyzer module (match the label colors). The module end is keyed.

9 Low-profile extenders allow you to connect the P6434 probe to systems with as little as a half inch of clearance between circuit boards. The extender connects to Mictor connectors with or without a latch housing. The low-profile extender part number is in the Replaceable Parts List section under Optional Accessories on page 48. To connect the probe using the extender, follow these steps: 1. Line up the pin 1 indicator on the low-profile end of the extender with pin 1 on the connector in your target system. The Mictor connector is keyed to prevent incorrect connections. 2. Position the low-profile end perpendicular to the connector and gently connect the extender as shown in Figure 8. 3. Connect the P6434 probe by lining up the pin 1 indicator on the P6434 probe with the pin 1 indicator on the the other end of the extender and connect the probe to the extender. 4. When connected, push down the latch releases on the probe to set the latch. Pin 1 Pin 1 (When designing board, always orient Pin 1 toward edge of board to direct extender off the board) Figure 8: Connecting the low-profile extender Low-Profile Extender Connection (Optional Accessory)

Reduced Bias Voltage adapters allow you to reduce the pull-up voltage that the P6434 delivers to the system under test. The P6434 Reduced Bias Voltage adapter connects directly to the Mictor connector or to a low-profile extender. Refer to the Replaceable Part Lists section under Optional Accessories on page 48 for the Reduced Bias voltage adapter part number. To connect the probe using the P6434 Reduced Bias Voltage adapter follow these steps: 1. Line up the pin 1 indicator on the adapter with the pin 1 indicator on the Mictor connector. 2. Position the adapter perpendicular to the Mictor connector and connect the adapter as show in Figure 9. The Mictor connector is keyed to prevent incorrect connections. 3. Line up the pin 1 indicator on the adapter with the pin 1 indicator on the P6434 probe. Connect the P6434 probe to the adapter. 4. When connected, push down the latch releases on the probe to set the latch. Figure 9: Connecting the Reduced Bias Voltage adapter If you are using a low-profile extender with the Reduced Bias Voltage adapter follow the instructions on page 9 to connect the low-profile extender and then, follow these steps: 1. Line up the pin 1 indicator on the adapter with the pin 1 indicator on the low-profile extender and connect the adapter to the low-profile extender. 2. Line up the pin 1 indicator on the adapter with the pin 1 indicator on the P6434 probe, and then connect the probe to the adapter. P6434 Reduced Bias Voltage Adapter Connection

11 3. When connected, push down the latch releases on the probe to set the latch. Pin 1 (When designing board, always orient Pin 1 toward edge of board to direct extender off the board) Pin 1 Figure 10: Connecting the Reduced Bias Voltage adapter to the low-profile extender

The Compression-on-PCB to P6434 Mictor adapter (see Figure 11) allows the TLA6xx and TLA7Lx/Mx/Nx/Px/Qx logic analyzers using a P6434 Probe to take advantage of the new compression footprint and eliminate the need for Mictor connectors in your target system. Two different screw lengths are required to accommodate the 0.050-inch -- 0.250-inch (1.27 mm - 6.35 mm) PCB thickness range. This adapter requires the use of the Compression-on-PCB to P6434 Mictor adapter land footprint. See Figure 11 for further dimensional information. 15.82 mm (.623 in) 32.131 mm (1.265 in) 4.572 mm (.180 in) 13.716 mm (.540 in) 6.35 mm 1.27 mm (.250 in) (.050 in) PCB Thickness Circuit board Elastomer holder Mictor adapter Adapter backing plate Figure 11: Compression-on-PCB to P6434 Mictor adapter To compare the clearance between the P6434 Probe connection and the P6434 Probe connection via the Compression-on-PCB to P6434 Mictor adapter refer to Figure 12 on page 13. Note that the difference in clearance between the P6434 Probe connection and the P6434 Probe connection using the Compression-on- PCB to P6434 Mictor adapter is 0.145-inches. Compression-on-PCB to P6434 Mictor Adapter

13 P6434 Mictor adapter 15.82 mm (.623 in) 34.93 mm (1.375 in) 32.131 mm (1.265 in) 13.716 mm (.540 in) 3.68 mm (.145 in) Figure 12: Clearance for probe connection using Compression-on-PCB to P6434 Mictor adapter

Disconnecting the P6434 Probe from the Target System To disconnect the P6434 probe, follow these steps: 1. Gently pull the latch release grip to release the probe tip from the latch housing as shown in Figure 13. Grasp sides and gently pull Latch release grip Figure 13: Releasing the probe tip from the latch housing CAUTION. To avoid damage to the probe and mating connector, hold on to the latch release grip and gently pull the probe straight out of the connector. Do not tilt the probe in any direction when disconnecting it. Tilting the probe can damage the probe and mating connector. 2. Continue to gently pull the probe tip straight out of the mating connector using the latch release grip. If you are using an extender, grip the corners of the circuit board end attached to the target system, and gently pull it straight out of the connector.

15 Designing an Interface Between a P6434 Probe and a Target System This section provides you with some guidelines for designing your own P6434 probe interface on the target system. The guidelines contain information on the following topics:
Mictor connectors
Dimensions and placement of connectors
Mechanical layout and pinout of connectors
AMP pinout (preferred)
Nonstandard pinout (not recommended)
Probe channel assignments
Loading and equivalent circuits Mictor Connectors and Latch Housings The P6434 probe contains a 38-pin Mictor connector. Table 3 lists Mictor connectors you can purchase from AMP that are compatible with the probe and compatible latch housings and connectors from Tektronix. Table 3: Compatible Mictor connectors AMP part number Description Tektronix part number 767054-1* Palladium-nickel plated, surface mount connector (vertical receptacles) (For quanitites less than 27) † 767044-1* Palladium-nickel plated,straddle mount connector(0.062 in circuit board thickness, right-angle receptacles) (For quanitites less than 27) † -- Latch housing; straddle mount (0.062 inch circuit board thickness) † -- Latch housing; surface mount † * Preferred † See page 48 under Standard Accessories for Tektronix part numbers.

16 P6434 Probe Instructions You can contact AMP for more detailed information on the Mictor connectors. For the address, refer to the Replaceable Parts section on page 47. You can purchase latch housing mechanisms to use with Mictor connectors. The latch housing surrounds the Mictor connector in your target system and provides positive retention of the P6434 probe. Figure 14 shows the dimensions of the optional latch housings. 31.50 mm (1.240 in) 12.19 mm (.480 in) 4.95 mm (.195 in) 1.27 mm (.050 in) 28.20 mm (1.110 in) 25.63 mm (1.009 in) 7.11 mm (.280 in) 1.52 mm (.060 in) 1.40 mm (.055 in) 5.08 mm (.200 in) .51 mm (.020 in) 2.64 mm (.104 in) 9.90 mm (.390 in) 3.63 mm (.143 in) 3.55 mm (.140 in) 1.42 mm (.056 in) 25.40 mm (1.000 in) Straddle mount Figure 14: Latch housing dimensions NOTE. Refer to the Replaceable Parts List section under Standard Accessories on page 48 for information on ordering surface-mounted or straddle-mounted latch housings.

P6434 Probe Instructions 17 Dimensions and Placement of Compatible Mictor Connectors You can use compatible surface-mounted or straddle-mounted Mictor connectors in your circuit board design. The connectors must be placed as close as possible to the device under test. The placement of Mictor connectors depends on whether you plan to connect the P6434 probe directly to the target system or use the low-profile extender with the probe. Figure 15 shows the dimensions and minimum placement of surface-mounted connectors on a target system. The side-to-side dimension between connectors also applies to the straddle-mounted connector. 31.75 mm (1.27 in) 10.80 mm (.51 in) 31.50 mm (1.240 in) 9.90 mm (.390 in) 6.35 mm (.250 in) Pin 1 Figure 15: Dimensions and placement of a surface-mounted Mictor connector with latch housing The vertical clearance dimension for the probe is 1.25 inches. Figure 21 on page 32 shows this dimension. Direct Connection

18 P6434 Probe Instructions When placing Mictor connectors in your target system for use with an extender, you need to keep one inch of clear space on the pin 1 side from the center of the Mictor connector in your target system. The vertical clearance for the one inch of clear space under the extender is 0.2 inches, as shown in Figure 16. NOTE. Be sure to orient pin 1 on the Mictor connector in your target system to direct the extender off the board as shown in Figure 8on page 9. 107.95 mm (4.250 in) 10.16 mm (.400 in) 5.08 mm (.200 in) 9.90 mm (.390 in) 12.19 mm (.480 in) 2.54 mm (.100 in) 9.52 mm (.375 in) min. bend radius of cable Optional latch housing 25.40 mm (1.000 in) 4.953 mm (.195 in) Figure 16: Side view and dimensions of the low-profile extender Low-Profile Extender Connection

P6434 Probe Instructions 19 Mechanical Layout and Pin Numbering Sequence of Compatible Mictor Connectors Each compatible Mictor connector has 43 pins; pins 39 through 43 are grounded. Pins 1, 2, 37, and 38 are open. Figure 17 shows the positions and spacing between the pins, the keyhole, and the latch housing mounting holes of a surface-mounted connector. Table 4 on page 21 shows the recommended pin assignments. Pin 1 Indicator If you include the latch housing in your design, be sure to place a pin 1 indicator on your circuit board during design because the latch housing obscures the pin 1 indicator on the Mictor connector. Even though the Mictor connector is keyed, you still need to know the location of pin 1 when connecting the P6434 probe. Pin 1 * 9.02 mm (.355 in) 28.20 mm (1.110 in) 19.18 mm (.755 in) 10.16 mm (.400 in) 7.62 mm (.300 in) 5.08 mm (.200 in) 2.54 mm (.100 in) 2X 2.90 mm (.114 in) .85 mm (.0335 in) 18X 0.64 mm (.025 in) 19X 0.43 mm (.017 in) 2X 1.35 mm dia. (.053
.003 in) Plated through mounting holes for latch housing 5X 1.40 mm dia. (.055 in) Pad both sides 5X 0.89 mm dia. (.035
.003 in) Plated through 2X 2.03 mm dia. (.080 in) pad both sides 6.35 mm (.250 in) 2X 1.27 mm (.050 in) 2.39 mm dia. (.094
.002 in) Unplayed through ± .076 mm (± .003 in) tolerance all locations Notes: * The AMP pin assignment, an industry standard, is what we recommend for your circuit board layouts (see Table 4 on page 21). Figure 17: Surface-mounted connector layout (component side)

20 P6434 Probe Instructions Figure 18 shows the positions and spacing between the pins and latch housing mounting holes of a straddle-mounted connector. NOTE. The straddle-mounted connector does not have a keyhole. Be sure to position pin 1 correctly when building the target system to maintain the correct mapping of signals from your target system to the logic analyzer probe sections and channels. 9.02 mm (.355 in) 28.20 mm (1.110 in) 19.18 mm (.755 in) 10.16 mm (.400 in) 7.62 mm (.300 in) 5.08 mm (.200 in) 2.54 mm (.100 in) 2.92 mm (.115 in) .81 mm (.032 in) 0.85 mm (.0335 in) 18X 0.64 mm (.025 in) 19X 0.43 mm (.017 in) 2.28 mm (.090 in) 1.78 mm (.070 in) 2.80 mm (.110 in) 1.40 mm (.055 in) .56 mm (.022 in) .28 mm (.011 in) 2.16 mm (.085 in) 2X 1.35 mm dia. (.053
.003 in) Plated through mounting holes for latch housing 5X 1.40 mm dia. (.055 in) Pad both sides 5X .99 mm dia. (.039
.003) Plated through 2X Solder pads both sides 3.73 mm (.147 in) Pin 1 * Board edge 19X Contact pads both sides Note: Original AMP dimension (.012) enlarged to allow for hand insertion ± .076 mm (± .003 in) tolerance all locations Note: * The AMP pin assignment, an industry standard, is what we recommend for your circuit board layouts (see Table 4 on page 21). Figure 18: Straddle-mounted connector layout (component side)

P6434 Probe Instructions 21 AMP Probe Channel Assignments (Preferred) The 17 channels to which the module end connects on the logic analyzer cannot be changed. When mapping signals from your target system to channels on the logic analyzer, you must keep the probe section, clock, and/or qualifier channels together as shown in Tables 1 or 2 on page 3. Each probe connector has 43 pins; pins 39 through 43 are the five ground pins. Pins 1, 2, 3, and 4 are unused, and it is recommended that they be connected to ground. The preferred pin assignment is the AMP pin assignment (see Table 4), because other commercial CAD packages use the AMP numbering scheme as the industry standard. Table 4 shows the pin assignments for the surface-mounted connector. Pin assignments are the same for the straddle-mounted connector. AMP uses an odd-side even-side pin assignment. Pin 1 is located at the top left, and pin 3 is located directly below it. Pin 2 is located on the top right, and pin 4 is located directly below it. Refer to Table 5 on page 22 for the pin assignments. NOTE. When designing Mictor connectors into your target system, always verify which pin-numbering sequence your CAD system uses. Table 4: Preferred pin assignments (AMP) for Mictor connector (component side) Type of pin assignment Comments Pin 2 Pin 38 Pin 1 Pin 37 Preferred AMP Pin Assignment Pin 3 Pin 4 Preferred. This pin assignment is the industry standard and is what we recommend that you use. AMP Pin Assignment (Preferred)

22 P6434 Probe Instructions Tables 5 and 6 show the sections and channels and the P6434 probe pins to which they connect. Tables 5 and 6 also complies with the labeling schemes in Tables 1 and 2 on page 3, except for the 34 channel module on the Pin 38 side of the probe. The Mictor pin numbers are shown for reference only. NOTE. Table 2 on page 3 shows the labeling scheme for a 34 or 68 channel module. Table 5: Pin 1 side probe channel assignments AMP Section and channel AMP pin number A probe C probe D probe E probe 5 CLK:0 CLK:3 Q0 Q3 7 A3:7 C3:7 D3:7 E3:7 9 A3:6 C3:6 D3:6 E3:6 11 A3:5 C3:5 D3:5 E3:5 13 A3:4 C3:4 D3:4 E3:4 15 A3:3 C3:3 D3:3 E3:3 17 A3:2 C3:2 D3:2 E3:2 19 A3:1 C3:1 D3:1 E3:1 21 A3:0 C3:0 D3:0 E3:0 23 A2:7 C2:7 D2:7 E2:7 25 A2:6 C2:6 D2:6 E2:6 27 A2:5 C2:5 D2:5 E2:5 29 A2:4 C2:4 D2:4 E2:4 31 A2:3 C2:3 D2:3 E2:3 33 A2:2 C2:2 D2:2 E2:2 35 A2:1 C2:1 D2:1 E2:1 37 A2:0 C2:0 D2:0 E2:0 Table 6: Pin 38 side probe channel assignments AMP Section and channel AMP pin number A probe C probe D probe E probe 6 CLK:1 Q1 CLK:2 Q2 8 A1:7 C1:7 D1:7 E1:7

P6434 Probe Instructions 23 Table 6: Pin 38 side probe channel assignments (cont.) AMP pin number Section and channel AMP pin number E probe D probe C probe A probe 10 A1:6 C1:6 D1:6 E1:6 12 A1:5 C1:5 D1:5 E1:5 14 A1:4 C1:4 D1:4 E1:4 16 A1:3 C1:3 D1:3 E1:3 18 A1:2 C1:2 D1:2 E1:2 20 A1:1 C1:1 D1:1 E1:1 22 A1:0 C1:0 D1:0 E1:0 24 A0:7 C0:7 D0:7 E0:7 26 A0:6 C0:6 D0:6 E0:6 28 A0:5 C0:5 D0:5 E0:5 30 A0:4 C0:4 D0:4 E0:4 32 A0:3 C0:3 D0:3 E0:3 34 A0:2 C0:2 D0:2 E0:2 36 A0:1 C0:1 D0:1 E0:1 38 A0:0 C0:0 D0:0 E0:0

24 P6434 Probe Instructions Nonstandard Probe Channel Assignments (Not Recommended) The 17 channels to which the module end connects on the logic analyzer cannot be changed. When mapping signals from your target system to channels on the logic analyzer, you must keep the probe section, clock, and/or qualifier channels together as shown in Tables 1 and 2 on page 3. Each probe connector has 43 pins; pins 39 through 43 are the five ground pins. Pins 1, 2, 37, and 38 are unused, and it is recommended that they be connected to ground. The nonstandard pin assignment was previously used by Tektronix but is no longer recommended due to incompatibility with other commercial CAD packages (see Table 7 on page 24). The pin assignment is counterclockwise with Pin 1 located at the top left, and pin 2 located directly below it. Pin 20 is located on the bottom right, and pin 21 is located directly above it. Table 7: Nonstandard pin assignment for Mictor connector (component side) Type of pin assignment Comments Pin 1 Pin 21 Pin 20 Not Recommended Nonstandard Pin Assignment Pin 2 Pin 19 Not recommended. This pin assignment was previously used by Tektronix but is no longer recommended due to incompatibility with other commercial CAD packages. Tables 8 and 9 show the sections and channels and the P6434 probe pins to which they connect. Tables 8 and 9 also comply with the labeling schemes shown in Tables 1 and 2 on page 3, except for the 34 channel module on the Pin 38 side of the probe. The Mictor pin numbers are shown for reference only. NOTE. Table 2 on page 3 shows the labeling scheme for a 34 or 68 channel module. Nonstandard Pin Assignment (Not Recommended)

P6434 Probe Instructions 25 Table 8: Pin 1 side probe channel assignments (nonstandard) Nonstandard P6434 b Section and channel P6434 probe pin number * A probe C probe D probe E probe 3 CLK:0 CLK:3 Q0 Q3 4 A3:7 C3:7 D3:7 E3:7 5 A3:6 C3:6 D3:6 E3:6 6 A3:5 C3:5 D3:5 E3:5 7 A3:4 C3:4 D3:4 E3:4 8 A3:3 C3:3 D3:3 E3:3 9 A3:2 C3:2 D3:2 E3:2 10 A3:1 C3:1 D3:1 E3:1 11 A3:0 C3:0 D3:0 E3:0 12 A2:7 C2:7 D2:7 E2:7 13 A2:6 C2:6 D2:6 E2:6 14 A2:5 C2:5 D2:5 E2:5 15 A2:4 C2:4 D2:4 E2:4 16 A2:3 C2:3 D2:3 E2:3 17 A2:2 C2:2 D2:2 E2:2 18 A2:1 C2:1 D2:1 E2:1 19 A2:0 C2:0 D2:0 E2:0 * These pin numbers were previously used by Tektronix but are no longer recom- mended due to incompatibility with other commercial CAD packages. Table 9: Pin 38 side probe channel assignments (nonstandard) Nonstandard P6434 b Section and channel P6434 probe pin number * A probe C probe D probe E probe 36 CLK:1 Q1 CLK:2 Q2 35 A1:7 C1:7 D1:7 E1:7 34 A1:6 C1:6 D1:6 E1:6 33 A1:5 C1:5 D1:5 E1:5 32 A1:4 C1:4 D1:4 E1:4 31 A1:3 C1:3 D1:3 E1:3 30 A1:2 C1:2 D1:2 E1:2

26 P6434 Probe Instructions Table 9: Pin 38 side probe channel assignments (nonstandard) (cont.) Nonstandard P6434 probe pin number * Section and channel Nonstandard P6434 probe pin number * E probe D probe C probe A probe 29 A1:1 C1:1 D1:1 E1:1 28 A1:0 C1:0 D1:0 E1:0 27 A0:7 C0:7 D0:7 E0:7 26 A0:6 C0:6 D0:6 E0:6 25 A0:5 C0:5 D0:5 E0:5 24 A0:4 C0:4 D0:4 E0:4 23 A0:3 C0:3 D0:3 E0:3 22 A0:2 C0:2 D0:2 E0:2 21 A0:1 C0:1 D0:1 E0:1 20 A0:0 C0:0 D0:0 E0:0 * These pin numbers were previously used by Tektronix but are no longer recom- mended due to incompatibility with other commercial CAD packages.

P6434 Probe Instructions 27 Loading and Equivalent Circuits The load presented to the target system by the P6434 probe is low. The load is equivalent to a 2 pF capacitance with 20 kΩresistance returned to a 2.2 V supply. The following approximation of the probe loading is sufficient for most circuit simulation calculations. Figure 19 shows the equivalent circuit of the P6434 probe. Table 10 shows the values you can use to calculate characteristics of the lossy delay lines shown in the next two figures. Table 10: Lossy delay line values Characteristic Value C (capacitance) 1.58 pF per inch L (inductance) 8.9 nH per inch R (resistance) 0.067 Ωper inch Z0 (impedance) 75 Ω 0.005 1.6 nH 0.7 pF 0.005 20 kΩ 0.23 pF Length = 58 inches LOSSY +2.2 V 1.6 nH 1.1 pF Ω Ω 75Ω Mictor connector equivalent circuit Figure 19: Equivalent circuit for the P6434 probe

28 P6434 Probe Instructions The low-profile extender used with the P6434 probe increases the load. The additional load is equivalent to a 100 Ωresistor connected in series with approximately three inches of 75 Ωcoaxial cable to the probe tip. Although the extender can increase the loading significantly, using the extender might be necessary in situations where there is as little as half an inch of clearance. The extender is useful in a target system where signal risetimes are greater than one or two nanoseconds. Faster risetimes cause transmission line reflections on signals. Figure 20 shows the equivalent circuit for the P6434 probe with a low-profile extender 1.6 nH 1.6 nH 0.7 pF 0.005 Ω 0.005 Ω 100 Ω Length = 3 in 0.005 Ω 1.6 nH 0.7pF 0.005 Ω 1.1 pF 20 kΩ 0.23 pF Length = 58 in LOSSY +2.2 V LOSSY 1.6 nH 75 Ω Mictor connector equivalent circuit Mictor connector equivalent circuit Figure 20: Equivalent circuit for the P6434 probe with a low-profile extender

29 Reference This section contains information on the following topics and tasks:
Probe maintenance
Probe circuit description
Specifications
Disassembly and reassembly procedures
Functional verification procedure Maintenance The P6434 probe does not require scheduled or periodic maintenance. To maintain good electrical contact, keep the probe free of dirt, dust, and contaminants. Also, ensure that any electrically conductive contaminants are removed. Dirt and dust can usually be removed with a soft brush. For more extensive cleaning, use only a damp cloth. Abrasive cleaners and organic solvents should never be used. CAUTION. To prevent damage, service the probe only in a static-free environment. The component devices contained on the P6434 probe are susceptible to static-discharge damage. If the probe is connected to the target system, grasp the ground connector on the back of the logic analyzer to discharge your stored static electricity. If the probe is not connected, touch the antistatic bag to discharge stored static electricity from the probe. Always wear a grounding wrist strap, or similar device, while servicing the probe. If you connect and disconnect the P6434 probe frequently, occasionally use a magnifying glass to examine the contact points on both the probe tip and on the mating connector. If contacts have been dislocated from their proper position,

you can use a pair of small tweezers (such as a #3 to #5), to carefully move the contacts back into place. Circuit Description The P6434 probe contains 34 sets of signal connections (32 used as data channels and two used as clock or qualifier channels). The probe tip connection is a 38-pin Mictor connector by AMP, Inc. Each signal line has a 20 kΩ± 1% resistor (shunted by a 0.23 pF capacitor) in series with an approximately five foot long section of 75 Ωcoaxial cable. Specifications These specifications are for a P6434 probe connected between a compatible Tektronix logic analyzer and a target system. Table 11 shows the electrical requirements of the P6434 probe. Table 11: Electrical specifications Characteristics Requirements Number of input channels 34 (32 data and 2 clock/qualifier channels) Input impedance 20 kΩ±1% in parallel with 2 pF ± 0.2 pF Threshold accuracy ±100 mV Channel-to-channel skew <150 ps Delay time from probe tip to module end 7.33 ns (The approximate length of the probe is 1.6 m or 62 in.) Max. operating swing time 8 V peak-to-peak Probe overdrive The greater of ± 300 mV or ± 25% of signal swing Max. nondestructive input signal to probe ±15 V Max. sync clock rate 200 MHz in full speed mode (5 ns between active clock edges) Min. sampling period 4 ns (0.5 ns w/MagniVu) Measured typical signal loading* AC load DC load ≈2 pF ≈20 kΩ* * The 20 kΩresistor is returned to +2.2 V.

31 Table 12 shows the environmental specifications. Table 12: Environmental specifications Characteristic Description* Temperature Maximum operating +50 ° C (+122 ° F)
Minimum operating 0 ° C (+32 ° F) Non-operating --55 ° C to +75 ° C (--67 ° F to +167 ° F) Humidity 10 to 95% relative humidity Altitude Operating 4.5 km (15,000 ft) maximum Non-operating 15 km (50,000 ft) maximum * Designed to meet Tektronix standard 062-2847-00 class 5.
Not to exceed target system thermal considerations. Forced air cooling might be required. Table 13 shows the certifications and compliances that apply to the P6434 probe. Table 13: Certifications and compliances Category Standards or description EC Compliance There are no current European Directives that apply to this product.

Figure 21 shows the vertical dimensions of the P6434 probe and low-profile extender. 31.75 mm (1.250 in) 10.16 mm (.400 in) 5.08 mm (.200 in) Figure 21: Vertical dimensions of the P6434 probe and low-profile extender Figure 22 shows the vertical dimensions of the P6434 probe and Reduced Bias Voltage adapter. 62.23 mm (2.45 in) Figure 22: Vertical dimensions of the P6434 probe and Reduced Bias Voltage Adapter

33 Disassembling the Probe The following procedures describe disassembling the P6434 probe. If you are installing the connector parts replacement kit, follow the Probe Tip procedures on pages 33 and 36. If you are installing either of the cable replacement kits, you must also perform the Latch Release Grip and Module End procedures. To disassemble the probe tip, follow these steps (refer to Figure 23 as a guide): Remove screws (4) Elastomer connectors (2) Circuit boards (2) Figure 23: Disassembling the P6434 probe tip 1. Remove the four screws from the outside of the probe case using a 0.050-inch hexagonal screwdriver, and open the case halves. 2. Gently remove the two small circuit boards and cables from the plastic holder. The small circuit boards are held in place by two tab features in the plastic holder. The circuit boards hold the elastomer connectors (which are very small) in place. When you remove the circuit boards, the elastomer connectors may fall out of the probe. Probe Tip

CAUTION. To prevent damage to the elastomer, use tweezers and handle the elastomer connectors on the flat areas adjacent to the gold plated contact pads. The elastomer connectors are very small and are susceptible to contamination by natural skin oils and mishandling. 3. Using tweezers on the flat areas adjacent to the gold plated contact pads, remove the elastomer connectors. See Figure 27 on page 37. 4. If you are installing either the pin 1 or pin 38 cable kit, follow the Latch Release Grip and Module End disassembly procedures on pages 34 and 35. 5. If you are only installing the connector parts replacement kit, follow the Probe Tip procedure on page 36. To disassemble the latch release grip, follow these steps: 1. Use two small, flat-bladed screwdrivers in the slots opposite the tabs on each side of the grip as shown in Figure 24. 2. With thumbs placed lightly on the tabs to be released, pry the grip open by carefully levering the screwdrivers down. Do not overstress the tabs beyond deflection required to release the tabs. When you open the latch release grip, the latch release cord comes out of the grip, thereby detaching the grip from the latch release on the probe. Slots Latch release cords Latch release grip Figure 24: Disassembling the latch release grip Latch Release Grip

35 To disassemble the module end of the probe, refer to Figure 25 and follow these steps: 1. On the module end, remove the four screws from the outside of the connector housing using a 0.050-inch hexagonal screwdriver, and open the housing. 2. Remove the cable with the connector attached. 3. Remove the trim pieces from the connector housing. Screws (4) Cable and connector Trim pieces Label Figure 25: Disassembling the module end Module End

Reassembling the Probe Use the following procedures to reassemble the P6434 probe. NOTE. When reassembling the probe, you must use both the new board holder and both elastomer connectors included with the service kit. These components have design improvements that must be replaced as a set. To reassemble the probe tip, refer to Figure 26 and follow these steps: 1. If you are reusing the Mictor connector circuit board, remove the old board holder. 2. Install the Mictor connector circuit board into the new board holder. Detents Remove Install Press until detents snap together Relieve pressure on detents to remove Board holder Board holder Relieve pressure on detents to remove Figure 26: Mictor connector circuit board and board holder 3. Lay the Mictor board assembly on a flat surface with the pin 1 side of the connector facing up. See Figure 28 on page 37 for the correct orientation. CAUTION. To prevent damage to the elastomer, use tweezers and handle the elastomer connectors on the flat areas adjacent to the gold plated contact pads. The elastomer connectors are very small and are susceptible to contamination by natural skin oils and mishandling. 4. Using tweezers on the flat areas on both sides of the gold plated contact pads, carefully orient the elastomer connector, and place it in the elastomer slot in the board holder as shown in Figure 27. Probe Tip

37 Elastomer Ledge Tweezer Elastomer Ledge Gold plated contact pads Elastomer slot Figure 27: Positioning the elastomer connector 5. Place the circuit board attached to the pin 1 cable into the back (cable side) of the board holder as shown in Figure 28. 6. Press the front (connector side) of the circuit board attached to the cable down until it snaps into place in the board holder. Align the back edge first, and then snap the front edge into place Board holder Pin 1 indicator Pin 1 cable Figure 28: Positioning the circuit board in the probe 7. Turn the probe over and repeat steps 4 through 6 for the pin 38 side of the probe.

8. Position a latch release on each side of the case half. See Figure 29. Figure 29: Reattaching the latch releases and case halves 9. Align the pin 1 case half with the pin 1 side of the connector, attach the case halves, and reconnect the screws as shown in Figure 29. To reassemble the latch release grip, follow these steps: 1. Place the latch release cords into the latch releases as shown in Figure 30. 2. Push the latch release downward to force the latch release cord to snap through the slot and into the small hole. Latch Release Grip

39 Latch release fits between these flanges Figure 30: Reattaching the latch release cords to the latch releases 3. Place the other end of the latch release cords into the latch release grip and reconnect the latch release grip as shown in Figure 31. Figure 31: Reconnecting the latch release cords to the latch release grip 4. You may need to reapply labels. Refer to the description of Labels on page 3 for information on how to apply labels.

To reassemble the module end of the probe, follow these steps: 1. If you are installing either the pin 1 or pin 38 cable kit, follow the procedure to reassemble the probe tip. 2. On the module end, position the trim pieces in the connector housing as shown in Figure 32. Connector key Label Trim pieces Figure 32: Reassembling the module end 3. Orient the nonkeyed side of the connector to the case half with the label, and position the connector in the case halves. 4. Attach the case halves and reconnect the screws as shown in Figure 32. 5. You may need to reapply labels. Refer to the description of Labels on page 3 for information on how to apply labels. Module End

41 Functional Verification This procedure checks the basic functionality of the probe by verifying that the probes recognize signal activity at the probe tips. No calibration is necessary. The functional verification procedure for the P6434 probe requires the following test equipment:
Adjustment and verification test fixture (refer to the Replaceable Parts List section under Optional Accessories on page 48 for part number information)
Power supply for the test fixture (refer to the Replaceable Parts List section under Optional Accessories on page 48 for part number information)
Logic analyzer mainframe
Logic analyzer module To perform the functional verification procedure, follow these steps: 1. Connect the module ends of the P6434 probe to the logic analyzer module. 2. Connect the probe tip to J5 on the the test fixture as shown in Figure 33. J5 J15 Figure 33: Jumper and connector locations on the test fixture 3. Place J15 in the INT position to select the internal 50 MHz clock. 4. Connect the power adapter to the test fixture and power on the test fixture. 5. Power on the logic analyzer.

6. Verify that the logic analyzer passes the power-on diagnostics. 7. Go to the Setup menu for the logic analyzer module to which the probes are connected. 8. Click the Set Thresholds button to display the threshold settings. Set the threshold for all channels to be 700 mV. Close the Probes Threshold dialog box and click Set All. 9. Click the Show Activity button to display the Activity Indicator dialog box. 10. Visually verify that the Activity Indicator dialog box shows activity on all probe channels that are connected to the test fixture (see Figure 34). Note the signal activity for the clock, qualifier and data channels for the C3, C2, C1, and C0 probe sections. Also note that there is no activity on other probe sections because the probes are not connected to a signal source. (The channels are all high.) Signal activity on all connected channels Stuck low (No activity) Stuck high (No activity) No activity (high) Figure 34: Example of the Activity Indicator dialog box 11. Visually verify in the Activity Indicator dialog box that none of the connected channels are stuck high or stuck low (see Figure 34). CAUTION. To prevent damage to the test fixture connector, grasp the mictor connector on the test fixture when wiggling the probe tip end.

43 To check for intermittent failures, gently wiggle each of the three probe ends. The test fixture only checks for open channels; therefore, if channels are shorted together, these channels will appear as connected signal activity on the test fixture. 12. Repeat this procedure for additional probes. 13. Close the Show Activity widow. 14. Return the threshold levels to their former values in the Probe Threshold window. This completes the functional verification.

45 Replaceable Parts This chapter contains a list of the replaceable components for the P6434 Probe. Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local Tektronix field office or representative. Changes to Tektronix products are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest improvements. Therefore, when ordering parts, it is important to include the following information in your order:
Part number
Instrument type or model number
Instrument serial number
Instrument modification number, if applicable If you order a part that has been replaced with a different or improved part, your local Tektronix field office or representative will contact you concerning any change in part number. Using the Replaceable Parts List The tabular information in the Replaceable Parts List is arranged for quick retrieval. Understanding the structure and features of the list will help you find all of the information you need for ordering replacement parts. The following table describes the content of each column in the parts list.

Parts list column descriptions Column Column name Description 1 Figure & index number Items in this section are referenced by figure and index numbers to the exploded view illustrations that follow. 2 Tektronix part number Use this part number when ordering replacement parts from Tektronix. 3 and 4 Serial number Column three indicates the serial number at which the part was first effective. Column four indicates the serial number at which the part was discontinued. No entries indicates the part is good for all serial numbers. 5 Qty This indicates the quantity of parts used. 6 Name & description An item name is separated from the description by a colon (:). Because of space limitations, an item name may sometimes appear as incomplete. Use the U.S. Federal Catalog handbook H6-1 for further item name identification. 7 Mfr. code This indicates the code of the actual manufacturer of the part. 8 Mfr. part number This indicates the actual manufacturer’s or vendor’s part number. Abbreviations conform to American National Standard ANSI Y1.1--1972. Chassis-mounted parts and cable assemblies are located at the end of the Replaceable Electrical Parts List. The table titled Manufacturers Cross Index shows codes, names, and addresses of manufacturers or vendors of components listed in the parts list. Abbreviations Chassis Parts Mfr. Code to Manufacturer Cross Index

47 Manufacturers cross index Mfr. code Manufacturer Address City, state, zip code 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR PO BOX 500 BEAVERTON, OR 97077--0001 00779 AMP INC. CUSTOMER SERVICE DEPT PO BOX 3608 HARRISBURG, PA 17105--3608 0GV90 GLOBTEK INC 186 VETERANS DRIVE NORTHVALE, NJ 07647--2303 60381 PRECISION INTERCONNECT CORP. 16640 SW 72ND AVE PORTLAND, OR 97224 Replaceable parts list Fig. & index number Tektronix part number Serial no. effective Serial no. discont’d Qty Name & description Mfr. code Mfr. part number 25--0 010-6434-01 1 PROBE; P6434 MASS TERMINATION; 34 CHANNEL 80009 010-6434-01 118-9479-00 1 SERVICE KIT; MECHANICAL PARTS INCLUDES: 80009 118-9479-00 --1 1 LABEL SHEET; PROBE TIP AND MODULE ENDS, P6434 --2 4 SCREWS, #1--72 x 0.375 BUTTON HEAD --3 4 NUTS, #1--72 HEX --4 2 PROBE TIP CASE HALVES --9 2 PULL GRIP HALVES --10 1 MODULE END CASE HALF, TOP --11 2 TRIM, CONNECTOR HOUSING --12 1 MODULE END CASE HALF, BOTTOM --13 4 SCREWS, #2--56 x 0.187 BUTTON HEAD --14 2 PULL CORDS --15 2 LATCH RELEASES 118-9477-01 1 SERVICE KIT; CABLE PARTS;PIN 1 SIDE INCLUDES: 80009 118-9477-01 --5 2 ELASTOMER CONNECTORS --6 1 BOARD HOLDER; MOLDED --7 1 PIN 1 SIDE CABLE WITH CIRCUIT BOARD --9 2 PULL GRIP HALVES --14 2 PULL CORDS 1 KIT INSTRUCTIONS 118-9487-01 1 SERVICE KIT; CABLE PARTS; PIN 38 SIDE INCLUDES: 80009 118-9487-01 --5 2 ELASTOMER CONNECTORS --6 1 BOARD HOLDER; MOLDED --8 1 PIN 38 SIDE CABLE WITH CIRCUIT BOARD --9 2 PULL GRIP HALVES

Replaceable parts list (cont.) Fig. & index number Mfr. part number Mfr. code Name & description Qty Serial no. discont’d Serial no. effective Tektronix part number --14 2 PULL CORDS 1 KIT INSTRUCTIONS 118-9478-01 1 SERVICE KIT; CONNECTOR PARTS INCLUDES: 80009 118-9478-01 --5 2 ELASTOMER CONNECTORS --6 1 BOARD HOLDER; MOLDED --16 1 MICTOR CONNECTOR CKT BD W MICTOR CONNECTOR 1 KIT INSTRUCTIONS STANDARD ACCESSORIES 070-9793-XX 1 MANUAL,TECH:INSTRUCTION, P6434 PROBE 80009 070-9793-XX 105-1088-00 * 1 LATCH HOUSING; STRADDLE MOUNT (NOT SHOWN) 80009 105-1088-00 105-1089-00 * 1 LATCH HOUSING; SURFACE MOUNT (NOT SHOWN) 80009 105-1089-00 131--6134-01 † CONN,RCPT:SMD,MICTOR,FEMALE,STR,38 POS,0.025 CTR,0.240 H,PALLADIUM NICKEL,IMPEDANCE MATCH (NOT SHOWN) TK0AT 767054--1 131-6520-00 † CONN,RCPT:EDGE MOUNT,MICTOR,FEMALE,RTANG,38 POS,0.025 CTR,PD NI,MATCHED IMPEDANCE (NOT SHOWN) TK0AT 767044--1 OPTIONAL ACCESSORIES --17 010-0612-00 1 LOW--PROFILE EXTENDER, 4.25 INCH OVERALL 80009 010-0612-00 --18 671-5481-00 1 P6434 REDUCED BIAS VOLTAGE ADAPTER 80009 671-5481-00 --19 020-2455-00 1 17CH COMPRESSION-ON--PCB TO P6434 MICTOR ADAPTER 80009 020-2455-00 --20 020-2456-00 1 34CH COMPRESSION-ON--PCB TO P6434 MICTOR ADAPTER 80009 020-2456-00 671-3599-01 1 ADJUSTMENT/VERIFICATION TEST FIXTURE 80009 671-3599-01 119-4855-00 1 POWER SUPPLY (US):18W,WALL MOUNT,120VAC 60HZ INPUT,12VDC 1.5A OUTPUT,UNREGULATED,183CM CABLE,STR C (NOT SHOWN) 0GV90 WD1E1500C12CP 119-4856-00 1 POWER SUPPLY (EC):18W,WALL MOUNT,220VAC 50HZ INPUT,12VDC 1.5A OUTPUT,UNREGULATED,183CM CABLE,STR C (NOT SHOWN) 0GV90 WD13E1500C12CP 119-4859-00 1 POWER SUPPLY (JP):18W,WALL MOUNT,100VAC 60HZ INPUT,12VDC 1.5A INPUT,UNREGULATED,183CM CABLE,STR CO (NOT SHOWN) 0GV90 WD49E1500C12CP *Contact your Tektronix representative for pricing of larger quantities of latch housings or Precision Interconnect as listed in the manufacturers cross index. † Order from Tektronix for quantities smaller than 27; if larger, from AMP,INC as listed in the manufacturers cross index.

49 The cable kits are not interchangeable. Be sure to order the correct kit number for items 7 or 8. 1 2 3 4 5 6 7 Pin 1 side Pin 38 side 8 9 10 11 12 13 14 15 16 Pin 1 Figure 35: P6434 probe exploded view