PCA9574PW,118 - NXP USA Inc.

Manufacturer Part Number

PCA9574PW,118

Manufacturer

NXP Semiconductors

Introduction

The PCA9574PW,118 is part of NXP Semiconductors' interface and I/O expanders category, designed to provide additional I/O ports for microcontroller-based systems. It uses I2C and SMBus for communication, making it highly suitable for applications needing extra inputs/outputs without the need for more pins on the microcontroller.

Product Features and Performance

8 expandable I/Os

I2C and SMBus interface compatibility

Interrupt output functionality for event-driven applications

Power-on reset (POR) feature

Push-pull output type for direct drive capabilities

Supports clock frequencies up to 400 kHz

Wide operating voltage range from 1.1V to 3.6V

Operational temperature range from -40°C to 85°C

Product Advantages

Increases number of I/O ports without needing larger microcontrollers

Low power consumption suitable for battery-powered applications

High-speed interface allows for quick communication

Flexible voltage range for compatibility with various logic levels

Provides robust operation in harsh environmental conditions

Key Technical Parameters

Number of I/O: 8

Interface: I2C, SMBus

Interrupt Output: Yes

Current Output Source/Sink: 1mA, 3mA

Clock Frequency: 400 kHz

Voltage Supply: 1.1V ~ 3.6V

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 16-TSSOP

Quality and Safety Features

Built-in Power-on reset (POR) ensures reliable start-up

Operates reliably over a wide range of temperatures

Meets stringent quality tests and safety regulations of NXP Semiconductors

Compatibility

Can be integrated with all microcontrollers supporting I2C or SMBus

Compatible with systems requiring low voltage and low power operation

Application Areas

Extended I/O for embedded systems

Battery-powered and portable devices

Industrial control systems

Home automation

IoT devices

Product Lifecycle

Active status, indicating ongoing production and support

No listed discontinuation, ensuring long-term availability

Options for replacements or upgrades available as newer models are developed

Several Key Reasons to Choose This Product

Expands microcontroller functionality with additional I/Os

Low power demands ideal for portable and battery-operated devices

Versatile interface options increase system compatibility

Quick and easy to integrate into existing designs

Reliable operation ensured by NXP's quality manufacturing

Future-proof with active product lifecycle status