ZHCSHU7J August   2005  – March 2021 PCA9555

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  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 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Device Features
      1. 8.3.1 Power-On Reset (POR)
      2. 8.3.2 I/O Port
    4. 8.4 Device Functional Modes
      1. 8.4.1 Interrupt ( INT) Output
        1. 8.4.1.1 Interrupt Errata
          1. 8.4.1.1.1 INT Description
          2. 8.4.1.1.2 System Impact
          3. 8.4.1.1.3 System Workaround
    5. 8.5 Programming
      1. 8.5.1 I2C Interface
      2. 8.5.2 Register Map
        1. 8.5.2.1 Device Address
        2. 8.5.2.2 Control Register And Command Byte
        3. 8.5.2.3 Register Descriptions
        4. 8.5.2.4 Bus Transactions
          1. 8.5.2.4.1 Writes
          2. 8.5.2.4.2 Reads
  9. 9 Application Information Disclaimer
    1. 9.1 Application Information
      1. 9.1.1 Typical Application
        1. 9.1.1.1 Design Requirements
        2. 9.1.1.2 Design Requirements
          1. 9.1.1.2.1 Minimizing ICC When I/O Is Used To Control Led
        3. 9.1.1.3 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

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4 Revision History

Changes from Revision I (April 2019) to Revision J (March 2021)

  • Changed the VIH High-level input voltage (SDL, SDA) Max value From: 5.5 V To: VCC in the Recommended Operating Conditions Go
  • Changed the values for the DB, PW, and RGE packages in the Thermal Information tableGo
  • Changed the VPORR row in the Electrical Characteristics Go
  • Added the VPORF row in the Electrical Characteristics Go
  • Changed the ICC Standby mode (High Inputs) values in the Electrical Characteristics Go
  • Changed the Ci SCL Max value From: 7 pF To: 8 pF in the Electrical Characteristics Go
  • Changed the Cio SDA Max value From: 7 pF To: 9.5 pF in the Electrical Characteristics Go
  • Changed the Typical characteristic graphsGo
  • Changed the Power Supply Recommendations Go

Changes from Revision H (April 2019) to Revision I (April 2019)

  • Changed the I2C Interface Timing Requirements tableGo

Changes from Revision G (March 2018) to Revision H (April 2019)

  • 更改了器件信息 表Go
  • Added the DW package to the Thermal Information tableGo

Changes from Revision F (June 2014) to Revision G (March 2018)

  • 添加了应用 列表Go
  • Removed the Thermal Information from the Absolute Maximum Ratings Go
  • Added Storage temperature range to the Absolute Maximum Ratings Go
  • Changed the Handling Ratings table to the ESD Ratings tableGo
  • Added the Thermal Information table Go
  • Added the Design Requirements section Go
  • Added the Application Curves section Go
  • Added the Layout section Go

Changes from Revision E (May 2008) to Revision F (June 2014)

  • Added Interrupt Errata section.Go