PCF8575DWR - Texas Instruments

Manufacturer Part Number

PCF8575DWR

Manufacturer

Texas Instruments

Introduction

The PCF8575DWR from Texas Instruments is a remote 16-bit I/O expander for I2C-bus/SMBus with interrupt function.

Product Features and Performance

16-bit I/O expander

I2C and SMBus interface compatibility

Interrupt output feature

Power-On Reset (POR)

Push-Pull output type

Supports up to 400 kHz clock frequency

Product Advantages

Enables I/O expansion for microcontrollers with limited I/O pins

Reduces complexity with integrated POR feature

Allows for immediate response to input changes via interrupt functionality

Key Technical Parameters

Number of I/O: 16

Interface: I2C, SMBus

Interrupt Output: Yes

Features: POR

Output Type: Push-Pull

Current - Output Source/Sink: 1mA, 25mA

Clock Frequency: 400 kHz

Voltage - Supply: 2.5V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built to operate reliably within the rated temperature range

Designed in compliance with industry standards for I/O expanders

Compatibility

Compatible with any microcontroller or processor that supports I2C or SMBus

Surface mount compatible with 24-SOIC package

Adaptable to various voltage levels within the 2.5V to 5.5V range

Application Areas

Embedded systems

Microcontroller-based applications

Industrial control systems

Home automation

Data acquisition systems

Product Lifecycle

Active product status

Not currently indicated as nearing discontinuation

Several Key Reasons to Choose This Product

Enhanced system functionality through additional I/O ports

Efficient design and power management with integrated POR

Flexible interfacing with I2C and SMBus support

Real-time system response with interrupt feature

Ease of integration in various electronic projects due to wide operating voltage range and temperature resilience

High-quality standard provided by Texas Instruments reliability