PCA9554ADBR - Texas Instruments

Manufacturer Part Number

PCA9554ADBR

Manufacturer

Texas Instruments

Introduction

The PCA9554ADBR is an 8-bit I2C and SMBus I/O expander with an interrupt output. It provides a simple 2-wire interface to expand the number of general-purpose I/O (GPIO) ports for various applications.

Product Features and Performance

8 individual, programmable I/O ports

I2C and SMBus compatible interface

Interrupt output pin

Power-on reset (POR) function

Push-pull output drivers

Output drive capability of 10 mA (source) and 25 mA (sink)

Operates at clock frequencies up to 400 kHz

Wide supply voltage range of 2.3 V to 5.5 V

Operating temperature range of -40°C to 85°C

Product Advantages

Expands the number of GPIO ports via a simple 2-wire interface

Configurable I/O ports provide flexibility for various applications

Interrupt output simplifies monitoring and control of the I/O states

Wide operating voltage and temperature ranges for versatile use

Key Reasons to Choose This Product

Compact and cost-effective solution for expanding GPIO capabilities

Reliable performance with the reputation of Texas Instruments' quality

Suitable for a wide range of applications, from industrial to consumer

Quality and Safety Features

Robust design with high reliability and long-term durability

Compliance with industry standards for safety and performance

Compatibility

The PCA9554ADBR is compatible with I2C and SMBus interfaces, allowing it to be seamlessly integrated into a wide range of systems and applications.

Application Areas

Industrial automation and control systems

Embedded systems and microcontroller-based applications

Home automation and smart home devices

Sensor and actuator interfacing

General-purpose I/O expansion

Product Lifecycle

The PCA9554ADBR is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from Texas Instruments or other manufacturers. Please contact our website's sales team for more information on available options and possible replacements.