PCF8575CDWR - Texas Instruments

Manufacturer Part Number

PCF8575CDWR

Manufacturer

Texas Instruments

Introduction

The PCF8575CDWR from Texas Instruments is an I/O expander for the I2C bus, providing 16-bit GPIO expansion.

Product Features and Performance

16-bit I/O expander with I2C interface

Interrupt output for input-related events

Power-on reset (POR)

Open-drain outputs

Compatible with SMBus

Product Advantages

Provides additional I/O ports using only two pins

Supports higher number of devices on the bus

Reduces complexity in signal routing and PCB design

Key Technical Parameters

Number of I/O: 16

Interface: I2C, SMBus

Interrupt Output: Yes

Current Output Source/Sink: 10mA, 25mA

Clock Frequency: 400 kHz

Voltage Supply: 4.5V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Enhanced ESD protection

Robust latch-up performance

Compatibility

Compatible with all microcontrollers supporting I2C or SMBus

Application Areas

Interface expansion in microcontroller projects

Industrial control systems

Consumer electronics

Alarm systems

Data acquisition systems

Product Lifecycle

Product Status: Obsolete

Replacement or Upgrade: Consult Texas Instruments for the latest models or alternatives

Several Key Reasons to Choose This Product

Expands GPIO capabilities with minimal additional hardware

Easy integration into existing systems with I2C/SMBus

Reliable operation in a wide temperature range

Out-of-the-box interrupt feature for enhanced input handling

Strong manufacturer support for integration and migration issues