PCA9545A

SCPS147D – OCTOBER 2005 – REVISED JUNE 2014

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Table of Contents

9.3

Feature Description................................................. 12

1

Features .................................................................. 1

9.4

Device Functional Modes........................................ 12

2

Applications ........................................................... 1

9.5

Programming........................................................... 12

3

Description ............................................................. 1

9.6

Control Register ...................................................... 15

4

Simplified Application Diagram............................ 1

10

Application and Implementation........................ 17

5

Revision History..................................................... 2

10.1

Application Information.......................................... 17

6

Pin Configuration and Functions ......................... 3

10.2

Typical Application ................................................ 17

7

Specifications......................................................... 4

11

Power Supply Recommendations ..................... 20

7.1

Absolute Maximum Ratings ..................................... 4

11.1

Power-On Reset Errata......................................... 20

7.2

Handling Ratings....................................................... 4

12

Layout................................................................... 20

7.3

Recommended Operating Conditions ...................... 4

12.1

Layout Guidelines ................................................. 20

7.4

Electrical Characteristics........................................... 5

12.2

Layout Example .................................................... 21

7.5

13

Device and Documentation Support ................. 22

7.6

Switching Characteristics .......................................... 7

13.1

Trademarks ........................................................... 22

7.7

Interrupt and Reset Timing Requirements ................ 7

13.2

Electrostatic Discharge Caution ............................ 22

8

Parameter Measurement Information .................. 8

13.3

Glossary ................................................................ 22

9

Detailed Description ............................................ 10

14

Mechanical, Packaging, and Orderable

9.1

Overview ................................................................. 10

Information ........................................................... 22

9.2

Functional Block Diagram ....................................... 11

5 Revision History

Changes from Revision October 2006 (C) to Revision D

Page

•

Added Added RESET Errata section.................................................................................................................................... 12

•

Added Power-On Reset Errata section. ............................................................................................................................... 20

2

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