ZHCSOM7G
July 2001 – August 2021
PCF8574A
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
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
Switching Characteristics
6.8
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.2.1
Simplified Block Diagram of Device
8.2.2
Simplified Schematic Diagram of Each P-Port Input/Output
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 Information Disclaimer
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
10
Power Supply Recommendations
10.1
Power-On Reset Requirements
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Glossary
12.2
Receiving Notification of Documentation Updates
12.3
支持资源
12.4
Trademarks
12.5
静电放电警告
12.6
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
DGV|20
DW|16
N|16
PW|20
RGY|20
散热焊盘机械数据 (封装 | 引脚)
PW|20
QFND419A
RGY|20
QFND041R
DW|16
QFND313D
订购信息
zhcsom7g_oa
zhcsom7g_pm
1
特性
10μA 低待机电流消耗(最大值)
I
2
C 至并行端口扩展器
开漏中断输出
兼容大多数微控制器
具有高电流驱动能力的锁存输出,用于直接驱动 LED
闩锁性能超过 100mA,符合 JESD 78 II 类规范的要求