ZHCSIO3I
January 2005 – August 2024
PCF8575
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
I2C Interface Timing Requirements
5.7
Switching Characteristics
6
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
I2C Interface
8.3.2
Interface Definition
8.3.3
Address Reference
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.1.1
Minimizing ICC When I/Os Control LEDs
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.3.1
Power-On Reset
9.3.2
System Impact
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Device Support
10.2
Documentation Support
10.3
接收文档更新通知
10.4
支持资源
10.5
Trademarks
10.6
静电放电警告
10.7
术语表
11
Revision History
12
Mechanical, Packaging, and Orderable Information
1
特性
I
2
C 至并行端口扩展器
开漏中断输出
低待机流耗,最大值为 10μA
兼容大多数微控制器
400kHz 快速 I
2
C 总线
可通过 3 个硬件地址引脚设置地址,从而可在总线上连接多达 8 个器件
具有高电流驱动能力的锁存输出,用于直接驱动 LED
连接到 V
CC
的电流源,用于主动在输出端驱动高电平
闩锁性能超过 100mA,符合 JESD 78 II 类规范的要求
ESD 保护性能超过 JESD 22 规范要求
2000V 人体放电模型
200V 机器放电模型
1000V 充电器件模型