Tektronix P6434 Instructions Manual
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Tektronix P6434 Instructions Manual

Tektronix P6434 Instructions Manual

Mass termination probe
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Summary of Contents for Tektronix P6434

  • Page 1 Complimentary Reference Material This PDF has been made available as a complimentary service for you to assist in evaluating this model for your testing requirements. TMG offers a wide range of test equipment solutions, from renting short to long term, buying refurbished and purchasing new. Financing options, such as Financial Rental, and Leasing are also available on application.
  • Page 2 Instructions P6434 Mass Termination Probe 070-9793-04 www.tektronix.com *P070979304* 070979304...
  • Page 3 Copyright © Tektronix, Inc. All rights reserved. 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...
  • Page 4 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.

  • Page 6: Table Of Contents

    Disconnecting the P6434 Probe from the Target System ....Designing an Interface Between a P6434 Probe and a Target System Mictor Connectors and Latch Housings .
  • Page 7 Figure 19: Equivalent circuit for the P6434 probe ....Figure 20: Equivalent circuit for the P6434 probe with a low-profile extender ........
  • Page 8 Figure 34: Example of the Activity Indicator dialog box ..Figure 35: P6434 probe exploded view ......
  • Page 9 ..... . . Table 13: Certifications and compliances ..... . P6434 Probe Instructions...

  • Page 10: General Safety Summary

    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. P6434 Probe Instructions...
  • Page 11 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: WARNING Protective Ground CAUTION Double High Voltage (Earth) Terminal Refer to Manual Insulated P6434 Probe Instructions...

  • Page 12: Preface

    Preface These instructions cover the following topics: H Operating basics H Designing an interface between the P6434 probe and a target sytem H Service information H Replaceable parts list Information in these instructions assumes your target system is based on a microprocessor.

  • Page 13: Contacting Tektronix

    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. viii...

  • Page 14: Operating Basics

    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 kΩ...

  • Page 15: Product Description

    Operating Basics 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.

  • Page 16: Labels

    Violet (QUAL:2, E1:7- - 0, E0:7- - 0) Customizing Labels for a The labeling scheme for the P6434 probe is shown in Table 2 for a 34 or 68 34 or 68 Channel Module channel module. Use the extra labels from the label sheet.

  • Page 17: Applying Labels

    Applying Labels 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.

  • Page 18: Figure 4: Other Indicators For Pin 1 Side

    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 P6434 Probe Instructions...

  • Page 19: Figure 6: Applying Labels To The Module-End Connectors

    Match the color of the module-end label to the probe-tip label. Match label colors Module-end label Probe-tip label Other side Match label colors Figure 6: Applying labels to the module-end connectors P6434 Probe Instructions...

  • Page 20: Connecting The P6434 Probe To The Target System

    These procedures are the same for the straddle-mounted connector. Direct Connection 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.

  • Page 21: Figure 7: Connecting To A Surface- Or Straddle-Mounted Connector

    Push down to latch after probe is connected 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. P6434 Probe Instructions...

  • Page 22: Low-Profile Extender Connection(Optional Accessory)

    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.

  • Page 23: P6434 Reduced Bias Voltage Adapter Connection

    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.

  • Page 24: Figure 10: Connecting The Reduced Bias Voltage Adapter To The Low-Profile Extender

    3. 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 10: Connecting the Reduced Bias Voltage adapter to the low-profile extender P6434 Probe Instructions...

  • Page 25: 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.

  • Page 26: Figure 12: Clearance For Probe Connection Using Compression-On-Pcb To P6434 Mictor Adapter

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

  • Page 27: Disconnecting The P6434 Probe From The Target System

    Operating Basics 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...

  • Page 28: Designing An Interface Between A P6434 Probe And A Target System

    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: H Mictor connectors...

  • Page 29: Figure 14: Latch Housing Dimensions

    Designing an Interface Between a P6434 Probe and a Target System 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.

  • Page 30: Dimensions And Placement Of Compatible Mictor Connectors

    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. Direct Connection Figure 15 shows the dimensions and minimum placement of surface-mounted connectors on a target system.

  • Page 31: Low-Profile Extender Connection

    Designing an Interface Between a P6434 Probe and a Target System Low-Profile Extender When placing Mictor connectors in your target system for use with an extender, Connection 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.

  • Page 32: Mechanical Layout And Pin Numbering Sequence Of Compatible Mictor Connectors

    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. 19X 0.43 mm (.017 in)

  • Page 33: Figure 18: Straddle-Mounted Connector Layout (Component Side)

    Designing an Interface Between a P6434 Probe and a Target System 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...

  • Page 34: Amp Probe Channel Assignments (Preferred)

    Designing an Interface Between a P6434 Probe and a Target System 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.

  • Page 35: Table 5: Pin 1 Side Probe Channel Assignments

    Designing an Interface Between a P6434 Probe and a Target System 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.
  • Page 36 Designing an Interface Between a P6434 Probe and a Target System Table 6: Pin 38 side probe channel assignments (cont.) Section and channel A probe C probe D probe E probe pin number pin number A1:6 C1:6 D1:6 E1:6 A1:5...

  • Page 37: Nonstandard Probe Channel Assignments (Not Recommended)

    Pin 20 Nonstandard Pin Assignment 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.

  • Page 38: Table 8: Pin 1 Side Probe Channel Assignments (Nonstandard)

    E2:1 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 Section and channel...
  • Page 39 C0:3 D0:3 E0:3 A0:2 C0:2 D0:2 E0:2 A0:1 C0:1 D0:1 E0:1 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...

  • Page 40: Loading And Equivalent Circuits

    Designing an Interface Between a P6434 Probe and a Target System 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 kΩ resistance returned to a 2.2 V supply.

  • Page 41: Figure 20: Equivalent Circuit For The P6434 Probe With A Low-Profile Extender

    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 Mictor connector equivalent circuit Mictor connector equivalent circuit 0.7 pF...

  • Page 42: Reference

    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.

  • Page 43: Circuit Description

    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...

  • Page 44: Table 12: Environmental Specifications

    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...

  • Page 45: Figure 21: Vertical Dimensions Of The P6434 Probe And Low- Profile Extender

    (.200 in) 10.16 mm (.400 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...

  • Page 46: Disassembling The Probe

    Reference 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.

  • Page 47: Latch Release Grip

    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. Latch release cords Slots Latch release grip Figure 24: Disassembling the latch release grip P6434 Probe Instructions...

  • Page 48: Module End

    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. Label Cable and connector Trim pieces Screws (4) Figure 25: Disassembling the module end P6434 Probe Instructions...

  • Page 49: Reassembling The Probe

    Reference 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.

  • Page 50: Figure 27: Positioning The Elastomer Connector

    Pin 1 cable Board holder 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. P6434 Probe Instructions...

  • Page 51: Latch Release Grip

    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. P6434 Probe Instructions...
  • Page 52 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. P6434 Probe Instructions...

  • Page 53: Module End

    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. P6434 Probe Instructions...

  • Page 54: Functional Verification

    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.
  • Page 55 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. P6434 Probe Instructions...
  • Page 56 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. P6434 Probe Instructions...
  • Page 57 Reference P6434 Probe Instructions...

  • Page 58: Replaceable Parts

    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.
  • Page 59 Items in this section are referenced by figure and index numbers to the exploded view illustrations that follow. 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.
  • Page 60 118-9479-00 SERVICE KIT; MECHANICAL PARTS INCLUDES: 80009 118-9479-00 - - 1 LABEL SHEET; PROBE TIP AND MODULE ENDS, P6434 - - 2 SCREWS, #1- - 72 x 0.375 BUTTON HEAD - - 3 NUTS, #1- - 72 HEX - - 4...
  • Page 61 INPUT,12VDC 1.5A INPUT,UNREGULATED,183CM CABLE,STR CO (NOT SHOWN) *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.
  • Page 62 Replaceable Parts The cable kits are not interchangeable. Be sure to order the correct kit number for items 7 or 8. Pin 1 side Pin 1 Pin 38 side Figure 35: P6434 probe exploded view P6434 Probe Instructions...
  • Page 63 Replaceable Parts Figure 36: Optional accessories P6434 Probe Instructions...

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