PCA9539DBR - Texas Instruments

Manufacturer Part Number

PCA9539DBR

Manufacturer

Texas Instruments

Introduction

The PCA9539DBR is a 16-bit I2C and SMBus I/O expander with interrupt output. It provides a simple solution for expanding the number of digital input/output pins in a system.

Product Features and Performance

16 general-purpose I/O pins

I2C and SMBus interfaces

Interrupt output

Power-on reset (POR) feature

Push-pull output type

Output current source/sink: 10mA/25mA

Clock frequency: 400kHz

Supply voltage: 2.3V to 5.5V

Operating temperature: -40°C to 85°C

Product Advantages

Flexible I/O expansion

Simple I2C and SMBus interface

Interrupt output for event detection

Wide supply voltage and temperature range

Key Reasons to Choose This Product

Cost-effective solution for expanding digital I/O

Reliable performance with power-on reset and wide operating conditions

Easy integration into I2C and SMBus-based systems

Quality and Safety Features

Surface mount package for reliable connections

Rated for industrial temperature range

Compatibility

The PCA9539DBR is compatible with I2C and SMBus-based systems.

Application Areas

Industrial control systems

Home automation

Embedded systems

Sensor and actuator networks

Product Lifecycle

The PCA9539DBR is an obsolete product. Customers should contact our website's sales team for information on equivalent or alternative models.