PCA9534ADBR - Texas Instruments

Manufacturer Part Number

PCA9534ADBR

Manufacturer

Texas Instruments

Introduction

PCA9534ADBR is an 8-bit I/O expander designed for I2C and SMBus interface, featuring interruption output and power-on reset.

Product Features and Performance

8-bit I/O expander

Compatible with I2C and SMBus interfaces

Interrupt output functionality

Power-on Reset (POR) feature

Push-pull output type

Clock frequency of 400 kHz

Product Advantages

Ensures consistent and reliable expandability of I/O ports

Supports high-speed communication

Interrupt output enhances system responsiveness

Push-pull outputs deliver faster signal transition

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-SSOP

Quality and Safety Features

Robust operating temperature range ensuring reliability in varying environments

Designed for low voltage and power efficient applications

Compatibility

Optimal for use in systems requiring additional I/O ports with minimal power draw

Compatible with any system supporting I2C or SMBus protocols

Application Areas

Embedded Systems

Servers

Industrial Controls

Consumer Electronics

Product Lifecycle

Status: Obsolete

Note: Replacement or upgraded models may be available, consult Texas Instruments for alternatives.

Several Key Reasons to Choose This Product

High integration capability with 8 I/Os using only one device

Efficient in systems with limited space due to compact 16-SSOP package

Flexible for various applications due to wide voltage supply range

Increases the functionality and response time of the host system with interrupt features

Durable and reliable for industrial applications with a broad operating temperature range