ZHCSIO3I January   2005  – August 2024 PCF8575

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 I2C Interface Timing Requirements
    7. 5.7 Switching Characteristics
  7. 6 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 I2C Interface
      2. 8.3.2 Interface Definition
      3. 8.3.3 Address Reference
    4. 8.4 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Minimizing ICC When I/Os Control LEDs
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
      1. 9.3.1 Power-On Reset
      2. 9.3.2 System Impact
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Device Support
    2. 10.2 Documentation Support
    3. 10.3 接收文档更新通知
    4. 10.4 支持资源
    5. 10.5 Trademarks
    6. 10.6 静电放电警告
    7. 10.7 术语表
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

4 Pin Configuration and Functions

Figure 4-1 DB, DBQ, DGV, DW, or PW Package SSOP, TVSOP, SOIC, TSSOP
(Top View)
PCF8575 RGE Package VQFN (Top View)Figure 4-2 RGE Package VQFN
(Top View)
PINTYPEDESCRIPTION
NAMEDB, DBQ, DGV,
DW, AND PW		RGE
A02118IAddress input 0. Connect directly to VCC or ground. Pull-up resistors are not needed.
A1223IAddress input 1. Connect directly to VCC or ground. Pull-up resistors are not needed.
A2324IAddress input 2. Connect directly to VCC or ground. Pull-up resistors are not needed.
INT122OInterrupt output. Connect to VCC through a pull-up resistor.
P0041I/OP-port input/output. Push-pull design structure.
P0152I/OP-port input/output. Push-pull design structure.
P0263I/OP-port input/output. Push-pull design structure.
P0374I/OP-port input/output. Push-pull design structure.
P0485I/OP-port input/output. Push-pull design structure.
P0596I/OP-port input/output. Push-pull design structure.
P06107I/OP-port input/output. Push-pull design structure.
P07118I/OP-port input/output. Push-pull design structure.
GND129—Ground
P101310I/OP-port input/output. Push-pull design structure.
P111411I/OP-port input/output. Push-pull design structure.
P121512I/OP-port input/output. Push-pull design structure.
P131613I/OP-port input/output. Push-pull design structure.
P141714I/OP-port input/output. Push-pull design structure.
P151815I/OP-port input/output. Push-pull design structure.
P161916I/OP-port input/output. Push-pull design structure.
P172017I/OP-port input/output. Push-pull design structure.
SCL2219ISerial clock line. Connect to VCC through a pull-up resistor
SDA2320I/OSerial data line. Connect to VCC through a pull-up resistor.
VCC2421—Supply voltage
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