Product Model

PCA9558PW

Introduction

PCA9558PW is an integrated circuit developed by NXP Semiconductors, categorized under Specialized ICs.

Brand and Manufacturer

NXP Semiconductors

Features

I2C bus and SMBus compatible

8-bit I/O expander

Three hardware address pins for multiple device connection

Interrupt output

Active LOW reset input

Product Performance

High-speed I2C interface up to 400 kHz

Polarity inversion register

Power-up with all I/Os configured as inputs

Low standby current

Technical Specifications

Supply voltage range: 2.3V to 5.5V

Operating temperature range: -40°C to +85°C

Dimensions, Shape, and Packaging

TSSOP-20 package

Body size: 6.5mm x 4.4mm

Quality and Reliability

Robust performance in industrial applications

Complies with NXP quality standards

Product Advantages

Allows for easy serial expansion of I/O through I2C interface

Reduces microcontroller pin count

Built-in interrupt to signal input change

Product Competitiveness

Competitive within the specialized integrated circuits market

Compatibility

Compatible with multiple microcontrollers and processors that have an I2C interface

Standard Certification and Compliance

Meets EN55022 (CISPR22) and JEDEC standards

Lifespan and Sustainability

Long lifespan suitable for industrial applications

RoHS compliant for environmental sustainability

Actual Application Fields

Server infrastructure

Industrial automation

Embedded systems

Consumer electronics

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