PCA9554A

SCPS127E – SEPTEMBER 2006 – REVISED JUNE 2014

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Table of Contents

1

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

8

Detailed Description ............................................ 13

8.1

Functional Block Diagram ....................................... 13

2

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

8.2

Device Functional Modes........................................ 14

3

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

8.3

Programming........................................................... 15

4

Description (Continued) ........................................ 3

9

Application And Implementation........................ 21

5

Pin Configuration And Functions ........................ 3

9.1

Typical Application ................................................. 21

6

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

10

Power Supply Recommendations ..................... 23

6.1

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

10.1

Power-On Reset Errata......................................... 23

6.2

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

11

Device and Documentation Support ................. 23

6.3

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

11.1

Trademarks ........................................................... 23

6.4

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

11.2

Electrostatic Discharge Caution ............................ 23

6.5

11.3

Glossary ................................................................ 23

6.6

Switching Characteristics .......................................... 6

12

Mechanical, Packaging, and Orderable

6.7

Typical Characteristics .............................................. 7

Information ........................................................... 23

7

Parameter Measurement Information ................ 10

3 Revision History

Changes from Revision D (August 2008) to Revision E

Page

•

Added Interrupt Errata section. ............................................................................................................................................ 15

•

Added Power-On Reset Errata section. .............................................................................................................................. 23

2

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