PCA9534ADW - Texas Instruments

Manufacturer Part Number

PCA9534ADW

Manufacturer

Texas Instruments

Introduction

The PCA9534ADW is an 8-bit I/O expander with an I2C/SMBus interface.

Product Features and Performance

8 I/O pins that can be configured as inputs or outputs

I2C and SMBus compatible interface

Integrated interrupt output for input change notification

Push-Pull output type

On-chip Power-On Reset (POR)

Supports clock frequencies up to 400 kHz

Product Advantages

Flexible I/O expansion for microcontrollers

Built-in interrupt feature reduces the need for constant polling

Wide operating voltage range accommodates various system voltages

Key Technical Parameters

Number of I/O: 8

Interface: I2C, SMBus

Interrupt Output: Yes

Current Output Source/Sink: 10mA, 25mA

Clock Frequency: 400 kHz

Voltage Supply: 2.3V to 5.5V

Operating Temperature: -40°C to 85°C

Mounting Type: Surface Mount

Package / Case: 16-SOIC

Quality and Safety Features

Robust operation within specified temperature range

Industry-standard packaging and quality assurance

Compatibility

Can be used with various microcontrollers supporting I2C/SMBus

Compatible with standard 16-SOIC footprint

Application Areas

Industrial automation

Server management

Consumer electronics

Automotive systems

Data communication systems

Product Lifecycle

Status: Last Time Buy

Note: Potential customers should check for replacement or upgraded parts

Several Key Reasons to Choose This Product

Reliable performance by Texas Instruments

Provides additional I/O ports without major hardware changes

Simplifies hardware design with minimal pin count and surface mount package

Interrupt output saves resources by eliminating unnecessary polling

Flexible supply voltage range for integration in various system designs

The wide operating temperature range is suitable for harsh environments