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TCA6424A 低电压 24 位 I2C 和 SMBus I/O 扩展器 具有中断输出、复位和配置寄存器
ZHCS275D
July 2010 – January 2023
TCA6424A
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TCA6424A 低电压 24 位 I2C 和 SMBus I/O 扩展器 具有中断输出、复位和配置寄存器
1
特性
2
说明
3
Revision History
4
Description (continued)
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings (1)
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
I2C Interface Timing Requirements
6.7
Reset Timing Requirements
6.8
Switching Characteristics
6.9
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.1.1
Voltage Translation
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
I/O Port
8.3.2
I2C Interface
8.4
Device Functional Modes
8.4.1
Device Address
8.5
Programming
8.5.1
Power-On Reset
8.5.2
Reset Input ( RESET)
8.5.3
Interrupt Output ( INT)
8.5.4
Bus Transactions
8.5.4.1
Writes
8.5.4.2
Reads
8.6
Register Maps
8.6.1
Control Register and Command Byte
8.6.2
Register Descriptions
9
Application and Implementation
9.1
Typical Application
9.1.1
Detailed Design Procedure
9.1.1.1
Minimizing ICC When I/Os Control LEDs
9.2
Power Supply Recommendation
10
Device and Documentation Support
10.1
Receiving Notification of Documentation Updates
10.2
支持资源
10.3
商标
10.4
静电放电警告
10.5
术语表
Mechanical, Packaging, and Orderable Information
重要声明
封装选项
机械数据 (封装 | 引脚)
RGJ|32
MPQF183D
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcs275d_oa
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