SCPS146G October   2005  – March 2021 PCA9544A

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 Switching Characteristics
    8. 6.8 Interrupt Timing Requirements
  7. 7 Parameter Measurement Information
  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 Power-On Reset
    5. 8.5 Programming
      1. 8.5.1 I2C Interface
    6. 8.6 Register Map
      1. 8.6.1 Control Register
        1. 8.6.1.1 Device Address
        2. 8.6.1.2 Control Register Description
        3. 8.6.1.3 Control Register Definition
        4. 8.6.1.4 Interrupt Handling
  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

4 Revision History

Changes from Revision F (August 2019) to Revision G (March 2021)

  • Changed the PW packgae values in the Thermal Information tableGo
  • Added the RGY package values in the Thermal Information tableGo
  • Changed the VPORR row in the Electrical Characteristics Go
  • Added VPORF row to the Electrical Characteristics Go
  • Changed the ICC Low inputs and High inputs values in the Electrical Characteristics Go
  • Changed the ΔICC (INT3–INT0) MAX values From: 15 µA To: 20 µA in the Electrical Characteristics Go
  • Changed the Application Curves Go
  • Changed the Power Supply Recommendations Go

Changes from Revision E (June 2014) to Revision F (August 2019)

  • Changed text From: "The PCA9544A is a quad bidirectional translating switch" To: "The PCA9544A is a 4-channel, bidirectional translating multiplexer" in the Description Go
  • Changed the Device Information tableGo
  • Deleted the RGW, GQN, and ZQN packages from the Pin Configuration and Functions sectionGo
  • Moved Tstg to the Absolute Maximum Ratings Go
  • Changed the Handling Ratings table to ESD Ratings tableGo
  • Added the Thermal Information tableGo
  • Changed the first paragraph of the Overview sectionGo
  • Changed text From: "bidirectional translating switch" To: "bidirectional translating multiplexer"Go
  • Changed text from: "One or several SCn/SDn downstream pairs or channels, are selected" To: "Only one SCn/SDn downstream pair, or channel, can be selected" in the Control Register Definition sectionGo
  • Deleted sentence: "If multiple switches will be enabled.." from the second paragraph of the Application Information sectionGo

Changes from Revision D (February 2008) to Revision E (June 2014)