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SCEU015 – May 2019

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Copyright © 2019, Texas Instruments Incorporated

SN74AXC4T774 Evaluation Module User Guide

User's Guide

SCEU015 – May 2019

SN74AXC4T774 Evaluation Module User Guide

This user's guide describes the characteristics, operation, and use of the SN74AXC4T774EVM Evaluation
Module (EVM). A complete printed-circuit board layout, schematic diagrams, and bill of materials are
included in this document.

Contents

1

Introduction

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2

2

Board Layout

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4

3

Schematic and Bill of Materials

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5

List of Figures

1

SPI/JTAG Translation using SN74AXC4T774EVM

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3

2

SN74AXC4T774EVM Layout

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4

3

SN74AXC4T774EVM RSV Schematic

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5

4

SN74AXC4T774EVM PW Schematic

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5

List of Tables

1

SN74AXC4T774 Functional Table(Each 1-bit section)

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2

2

SPI, JTAG Interface EVM setup

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2

3

SN74AXC4T774EVM Bill of Materials

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6

Trademarks

All trademarks are the property of their respective owners.

Summary of Contents for SN74AXC4T774

Page 1: ...d circuit board layout schematic diagrams and bill of materials are included in this document Contents 1 Introduction 2 2 Board Layout 4 3 Schematic and Bill of Materials 5 List of Figures 1 SPI JTAG Translation using SN74AXC4T774EVM 3 2 SN74AXC4T774EVM Layout 4 3 SN74AXC4T774EVM RSV Schematic 5 4 SN74AXC4T774EVM PW Schematic 5 List of Tables 1 SN74AXC4T774 Functional Table Each 1 bit section 2 2 ...

Page 2: ...amaging current backflow through the device when the device is powered down The VCC isolation feature ensures that if either VCC input is at ground both A and B data I O ports are in the high impedance state The eight channel SN74AXC8T245 device has two direction control pins each controlling 4 data I Os enabling independent and simultaneous up and down translation Refer to SN74AXC8T245EVM for tes...

Page 3: ...s C1 and C2 are the bypass capacitors for VCCA while C3 and C4 are the bypass capacitors for VCCB with a value of 0 1 µF 1 2 3 Pull up and Pull down Resistors The direction control and output enable pins are the inputs for the devices and should never be left floating The CMOS inputs must be held at a known state either VCC or ground to ensure proper device operation Refer to Implications of Slow ...

Page 4: ...CEU015 May 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated SN74AXC4T774 Evaluation Module User Guide 2 Board Layout Figure 2 illustrates the SN74AXC4T774EVM layout Figure 2 SN74AXC4T774EVM Layout ...

Page 5: ...Feedback Copyright 2019 Texas Instruments Incorporated SN74AXC4T774 Evaluation Module User Guide 3 Schematic and Bill of Materials 3 1 Schematic Figure 3 andFigure 4 illustrates the SN74AXC4T774EVM schematic Figure 3 SN74AXC4T774EVM RSV Schematic Figure 4 SN74AXC4T774EVM PW Schematic ...

Page 6: ...ld TH 4x2 Header TSW 104 07 G D Samtec J8 J10 2 Connector SMB Jack End launch SMT SMB End launch Jack SMT 131 3701 801 Cinch Connectivity R2 R3 R4 R7 R8 R9 R13 R14 R15 R16 10 10k RES 10 k 5 0 063 W AEC Q200 Grade 0 0402 0402 CRCW040210K0JNED Vishay Dale U1 1 4 Bit Direction Controlled Level Translator PW0016A TSSOP 16 PW0016A SN74AXC4T774PWR Texas Instruments U2 1 4 Bit Direction Controlled Level ...

Page 7: ...se resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for...

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