PCA9555AHF,128 - NXP Semiconductors

Manufacturer Part Number

PCA9555AHF,128

Manufacturer

nxp-semiconductors

Introduction

The PCA9555AHF,128 is a 16-bit I2C and SMBus I/O expander with an interrupt output. It provides a simple and efficient way to expand the number of general-purpose input/output (GPIO) ports for microcontroller-based systems. The device features programmable pull-up/pull-down resistors, output type configuration, and programmable interrupts.

Product Features and Performance

16-bit I/O expander with I2C and SMBus interface

Supports up to 400 kHz clock frequency

Programmable pull-up/pull-down resistors on each I/O pin

Selectable push-pull or open-drain output type

Interrupt output with programmable polarity and event detection

Power-on reset (POR) circuit

Operates from 1.65V to 5.5V supply voltage

Supports operating temperature range of -40°C to +85°C

24-pin WFQFN Exposed Pad package

Product Advantages

Provides an easy way to expand the number of GPIO ports for microcontroller-based systems

Flexible configuration options for pull-up/pull-down resistors, output type, and interrupts

Wide operating voltage range and temperature range support a variety of applications

Compact 24-pin WFQFN package saves board space

Key Reasons to Choose This Product

Reliable and efficient I/O expansion solution for microcontroller-based designs

Configurable features allow for customization to meet specific application requirements

Wide compatibility and operating range make it suitable for a variety of embedded systems

Cost-effective solution for expanding GPIO capabilities

Quality and Safety Features

Compliant with relevant industry standards for safety and reliability

Rigorous quality control and testing processes ensure high product quality

Robust design and protection features for reliable operation

Compatibility

The PCA9555AHF,128 is compatible with I2C and SMBus communication protocols, allowing it to be easily integrated into a wide range of microcontroller-based systems.

Application Areas

Industrial automation and control systems

Home and building automation

Automotive electronics

Medical equipment

Consumer electronics

Product Lifecycle

The PCA9555AHF,128 is an active product, and there are no plans for discontinuation. NXP Semiconductors offers several equivalent or alternative models with similar features and functionality, such as the PCA9554 and PCA9538 series. If you have any further questions or require more information, please contact our sales team through our website.