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TCA9539

SCPS202B – OCTOBER 2009 – REVISED OCTOBER 2015

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Copyright © 2009–2015, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

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

6

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

6.1

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

6.2

ESD Ratings.............................................................. 4

6.3

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

6.4

Thermal Information .................................................. 5

6.5

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

6.6

6.7

RESET Timing Requirements ................................... 7

6.8

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

6.9

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

7

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

8

Detailed Description ............................................ 15

8.1

Overview ................................................................. 15

8.2

Functional Block Diagram ....................................... 16

8.3

Feature Description................................................. 17

8.4

Device Functional Modes........................................ 18

8.5

Programming .......................................................... 18

8.6

Register Maps ........................................................ 20

9

Application and Implementation ........................ 25

9.1

Application Information............................................ 25

9.2

Typical Application ................................................. 25

10

Power Supply Recommendations ..................... 28

10.1

Power-On Reset Requirements ........................... 28

11

Layout................................................................... 30

11.1

Layout Guidelines ................................................. 30

11.2

Layout Example .................................................... 31

12

Device and Documentation Support ................. 32

12.1

Community Resources.......................................... 32

12.2

Trademarks ........................................................... 32

12.3

Electrostatic Discharge Caution ............................ 32

12.4

Glossary ................................................................ 32

13

Mechanical, Packaging, and Orderable

Information ........................................................... 32

4 Revision History

Changes from Revision A (September 2009) to Revision B

Page

•

Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation

section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and

Mechanical, Packaging, and Orderable Information section. ................................................................................................ 1

•

Added RGE package. ............................................................................................................................................................. 1

•

Added Thermal Information table .......................................................................................................................................... 5

•

Added "Time to reset; VCC = 1.65 - 2.3 V" parameter to RESET Timing Requirements table. ........................................... 7

•

Added "Output data valid; VCC = 1.65 - 2.3 V" to Switching Characteristics table. ............................................................. 7