PCF8574N - Texas Instruments

Manufacturer Part Number

PCF8574N

Manufacturer

Texas Instruments

Introduction

8-bit I/O Expander with Interrupt

Product Features and Performance

8-bit remote I/O expander with serial interface

Provides additional I/O ports for microcontrollers

Supports I2C bus communication

Interrupt output pin

Product Advantages

Wide operating voltage range of 2.5V to 6V

Low power consumption

Supports hot swapping

Built-in Power-On Reset (POR) function

Key Technical Parameters

8 inputs/outputs

100kHz I2C bus clock frequency

Output source/sink current: 1mA, 25mA

Operating temperature: -40°C to 85°C

Quality and Safety Features

RoHS 3 compliant

16-pin DIP package

Compatibility

Can be used with various microcontrollers and processors

Application Areas

Industrial automation

Home appliances

General-purpose I/O expansion

Product Lifecycle

This product is currently available and not nearing discontinuation.

Replacement or upgrade options may be available from Texas Instruments.

Key Reasons to Choose This Product

Provides additional I/O ports for microcontroller-based systems

Wide operating voltage range and low power consumption

Supports I2C bus communication for easy integration

Interrupt output for efficient event handling

Robust design with RoHS 3 compliance and wide temperature range