Data Sheet

2
PCA9546A
SCPS148G –OCTOBER 2005–REVISED MAY 2016 www.ti.com
Product Folder Links: PCA9546A
Submit Documentation Feedback Copyright © 2005–2016, 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 Electrical Characteristics........................................... 5
6.5 I
2
C Interface Timing Requirements.......................... 5
6.6 Interrupt and Reset Timing Requirements................ 7
6.7 Switching Characteristics.......................................... 7
7 Parameter Measurement Information .................. 8
8 Detailed Description............................................ 10
8.1 Overview ................................................................. 10
8.2 Functional Block Diagram ....................................... 10
8.3 Feature Description................................................. 11
8.4 Device Functional Modes........................................ 11
8.5 Programming........................................................... 11
8.6 Control Register ...................................................... 14
9 Application and Implementation ........................ 15
9.1 Application Information............................................ 15
9.2 Typical Application .................................................. 15
10 Power Supply Recommendations ..................... 19
10.1 Power-On Reset Errata......................................... 19
11 Layout................................................................... 19
11.1 Layout Guidelines ................................................. 19
11.2 Layout Example .................................................... 20
12 Device and Documentation Support ................. 20
12.1 Electrostatic Discharge Caution............................ 20
12.2 Glossary................................................................ 20
13 Mechanical, Packaging, and Orderable
Information ........................................................... 20
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision F (April 2014) to Revision G Page
• Revised pack material addendum; pin 1 quadrant .............................................................................................................. 20
Changes from Revision E (January 2008) to Revision F Page
• Added RESET Errata section............................................................................................................................................... 11
• Added Power-On Reset Errata section. ............................................................................................................................... 19