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TCA9554DBQR Datasheet(PDF) 2 Page - Texas Instruments

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Part # TCA9554DBQR
Description  TCA9554 Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output and Configuration Registers
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TCA9554DBQR Datasheet(HTML) 2 Page - Texas Instruments

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TCA9554
SCPS233D – MARCH 2012 – REVISED AUGUST 2015
www.ti.com
Table of Contents
8.3
Feature Description................................................. 15
1
Features .................................................................. 1
8.4
Device Functional Modes........................................ 16
2
Applications ........................................................... 1
8.5
Programming........................................................... 16
3
Description ............................................................. 1
8.6
Register Map........................................................... 18
4
Revision History..................................................... 2
9
Application and Implementation ........................ 22
5
Pin Configuration and Functions ......................... 3
9.1
Application Information............................................ 22
6
Specifications......................................................... 4
9.2
Typical Application ................................................. 22
6.1
Absolute Maximum Ratings ..................................... 4
10
Power Supply Recommendations ..................... 25
6.2
ESD Ratings ............................................................ 4
10.1
Power-On Reset Requirements ........................... 25
6.3
Recommended Operating Conditions ....................... 4
11
Layout................................................................... 27
6.4
Thermal Information .................................................. 5
11.1
Layout Guidelines ................................................. 27
6.5
Electrical Characteristics........................................... 5
11.2
Layout Example .................................................... 27
6.6
I2C Interface Timing Requirements........................... 7
12
Device and Documentation Support ................. 28
6.7
Switching Characteristics .......................................... 7
12.1
Community Resources.......................................... 28
6.8
Typical Characteristics .............................................. 8
12.2
Trademarks ........................................................... 28
7
Parameter Measurement Information ................ 10
12.3
Electrostatic Discharge Caution ............................ 28
8
Detailed Description ............................................ 13
12.4
Glossary ................................................................ 28
8.1
Overview ................................................................. 13
13
Mechanical, Packaging, and Orderable
8.2
Functional Block Diagram ....................................... 14
Information ........................................................... 28
4 Revision History
Changes from Revision C (May 2015) to Revision D
Page
Added DB package................................................................................................................................................................. 1
Changes from Revision B (October 2014) to Revision C
Page
Added standby mode current for VI = VCC test condition........................................................................................................ 6
Changed
ΔICC for one P-port input at VI = VCC - 0.6, and other P-port I/O at VI = VCC or GND. ............................................ 6
Added clarification in datasheet that raising voltage above VCC on P-port I/O will result in current flow from P-port to
VCC. ...................................................................................................................................................................................... 15
Changes from Revision A (March 2012) to Revision B
Page
Added Handling Rating 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
Updated IOL PARAMETER in the Electrical Characteristics table. ......................................................................................... 5
Changes from Original (September 2014) to Revision A
Page
Initial release of full version. .................................................................................................................................................. 1
2
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Copyright © 2012–2015, Texas Instruments Incorporated
Product Folder Links: TCA9554


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