PCF8574DWR - Texas Instruments

Manufacturer Part Number

PCF8574DWR

Manufacturer

Texas Instruments

Introduction

The PCF8574DWR is an I2C interface I/O expander that enhances the performance of microprocessors by providing additional I/O capabilities in a 16-SOIC package.

Product Features and Performance

8 I/O ports which are easily expandable

I2C interface compatibility

Interrupt output enabled for prompt event response

Power-on reset (POR)

Push-pull output type

Operates across a wide voltage supply range from 2.5V to 6V

Product Advantages

Reduces the load on the microprocessor by handling additional I/O tasks

Easy integration with microcontroller subsystems via I2C interface

Flexible voltage requirements compatible with various systems

Key Technical Parameters

Number of I/O: 8

Interface: I2C

Output Type: Push-Pull

Current Output Source/Sink: 1mA, 25mA

Clock Frequency: 100 kHz

Voltage Supply: 2.5V ~ 6V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built with Power-on Reset (POR) to ensure reliable operation during power fluctuations

High-temperature endurance up to 85°C ensures performance in various environments

Compatibility

Compatible with any microprocessor or microcontroller that supports I2C protocol

Application Areas

Embedded systems

Microcontroller expansions

Robotics

Remote I/O systems

Product Lifecycle

Product status: Active

Not nearing discontinuation, replacements or upgrades currently not required

Several Key Reasons to Choose This Product

High integration flexibility with I2C interface

Suitable for a variety of voltage levels and operational environments

Useful for increasing the I/O capabilities without needing significant processor upgrades

Reliable quality with safety features like Power-on Reset

Provides additional functionalities like interrupt output for efficient event management