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TCA9548ARGER Datasheet(PDF) 2 Page - Texas Instruments |
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TCA9548ARGER Datasheet(HTML) 2 Page - Texas Instruments |
2 / 36 page 2 TCA9548A SCPS207F – MAY 2012 – REVISED NOVEMBER 2016 www.ti.com Product Folder Links: TCA9548A Submit Documentation Feedback Copyright © 2012–2016, 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 ....................... 4 6.4 Thermal Information .................................................. 4 6.5 Electrical Characteristics........................................... 5 6.6 I2C Interface Timing Requirements........................... 6 6.7 Reset Timing Requirements ..................................... 7 6.8 Switching Characteristics .......................................... 7 6.9 Typical Characteristics .............................................. 8 7 Parameter Measurement Information .................. 9 8 Detailed Description ............................................ 11 8.1 Overview ................................................................. 11 8.2 Functional Block Diagram ....................................... 12 8.3 Feature Description................................................. 13 8.4 Device Functional Modes........................................ 13 8.5 Programming........................................................... 13 9 Application and Implementation ........................ 19 9.1 Application Information............................................ 19 9.2 Typical Application .................................................. 19 10 Power Supply Recommendations ..................... 23 10.1 Power-On Reset Requirements ........................... 23 11 Layout................................................................... 25 11.1 Layout Guidelines ................................................. 25 11.2 Layout Example .................................................... 25 12 Device and Documentation Support ................. 26 12.1 Documentation Support ........................................ 26 12.2 Receiving Notification of Documentation Updates 26 12.3 Community Resources.......................................... 26 12.4 Trademarks ........................................................... 26 12.5 Electrostatic Discharge Caution ............................ 26 12.6 Glossary ................................................................ 26 13 Mechanical, Packaging, and Orderable Information ........................................................... 26 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision E (October 2015) to Revision F Page • Updated the Description section............................................................................................................................................. 1 • Added new orderable part number, TCA9548AMRGER ........................................................................................................ 1 Changes from Revision D (January 2015) to Revision E Page • Updated Pin Functions table. ................................................................................................................................................ 3 • Added new I 2C Sections and read/write description ........................................................................................................... 15 Changes from Revision C (November 2013) to Revision D Page • Added Pin Configuration and Functions section, 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 • Updated Typical Application schematic. .............................................................................................................................. 20 Changes from Revision B (November 2013) to Revision C Page • Updated VPOR and ICC standby specification. ......................................................................................................................... 5 Changes from Revision A (July 2012) to Revision B Page • Updated document formatting. ............................................................................................................................................... 1 • Removed ordering information. .............................................................................................................................................. 1 |
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