SCPS148I October   2005  – June 2022 PCA9546A

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 I2C Interface Timing Requirements
    7. 6.7 Interrupt and Reset Timing Requirements
    8. 6.8 Switching Characteristics
  7. 7 Parameter Measurement Information
    1.     16
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
      1. 8.4.1 RESET Input
        1. 8.4.1.1 RESET Errata
          1.        24
          2.        25
      2. 8.4.2 Power-On Reset
    5. 8.5 Programming
      1. 8.5.1 I2C Interface
    6. 8.6 Control Register
      1. 8.6.1 Device Address
      2. 8.6.2 Control Register Description
      3. 8.6.3 Control Register Definition
  9. 9 Application Information Disclaimer
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Power-On Reset Requirements
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Support Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

GUID-6DEF8CFB-3504-4F26-BFE7-29A85292EA12-low.gif
Table 5-1 Pin Functions
PIN DESCRIPTION
NAME NO.
D, DGV, DW, PW, AND RGY RGV
A0 1 15 Address input 0. Connect directly to VCC or ground
A1 2 16 Address input 1. Connect directly to VCC or ground
A2 13 11 Address input 2. Connect directly to VCC or ground
GND 8 6 Ground
RESET 3 1 Active low reset input. Connect to VDPUM(1) through a pull-up resistor, if not used.
SD0 4 2 Serial data 0. Connect to VDPU0(1) through a pull-up resistor
SC0 5 3 Serial clock 0. Connect to VDPU0(1) through a pull-up resistor
SD1 6 4 Serial data 1. Connect to VDPU1(1) through a pull-up resistor
SC1 7 5 Serial clock 1. Connect to VDPU1(1) through a pull-up resistor
SD2 9 7 Serial data 2. Connect to VDPU2(1) through a pull-up resistor
SC2 10 8 Serial clock 2. Connect to VDPU2(1) through a pull-up resistor
SD3 11 9 Serial data 3. Connect to VDPU3(1) through a pull-up resistor.
SC3 12 10 Serial clock 3. Connect to VDPU3(1) through a pull-up resistor
SCL 14 12 Serial clock line. Connect to VDPUM(1) through a pull-up resistor
SDA 15 13 Serial data line. Connect to VDPUM(1) through a pull-up resistor
VCC 16 14 Supply power
(1) VDPUX is the pull-up reference voltage for the associated data line. VDPUM is the master I2C reference voltage while VDPU0 - VDPU3 are the slave channel reference voltages.