PCA9555

SCPS131F – AUGUST 2005 – REVISED JUNE 2014

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Table of Contents

1

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

8

Detailed Description ............................................ 14

8.1

Functional Block Diagram ....................................... 14

2

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

8.2

Device Functional Modes........................................ 15

3

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

8.3

Programming........................................................... 17

4

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

9

Application And Implementation........................ 24

5

Pin Configuration and Functions ......................... 4

9.1

Typical Application ................................................. 24

6

Specifications......................................................... 5

10

Power Supply Recommendations ..................... 26

6.1

Absolute Maximum Ratings ..................................... 5

10.1

Power-On Reset Errata......................................... 26

6.2

Handling Ratings....................................................... 5

11

Device and Documentation Support ................. 26

6.3

Recommended Operating Conditions ....................... 5

11.1

Trademarks ........................................................... 26

6.4

Electrical Characteristics........................................... 6

11.2

Electrostatic Discharge Caution ............................ 26

6.5

11.3

Glossary ................................................................ 26

6.6

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

12

Mechanical, Packaging, and Orderable

6.7

Typical Characteristics .............................................. 8

Information ........................................................... 26

7

Parameter Measurement Information ................ 11

3 Revision History

Changes from Revision E (May 2008) to Revision F

Page

•

Added Interrupt Errata section.............................................................................................................................................. 16

•

Added Power-On Reset Errata section. ............................................................................................................................... 26

2

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