TCA9555RTWR - Texas Instruments

Manufacturer Part Number

TCA9555RTWR

Manufacturer

Texas Instruments

Introduction

I/O Expander with SMBus/I2C Interface

Provides 16 General-Purpose I/O Pins

Product Features and Performance

Supports 1.65V to 5.5V Power Supply Voltage

400 kHz SMBus/I2C Interface Clock Frequency

10mA/25mA Sink/Source Current Capability per Output

Interrupt Output

Power-On Reset (POR) Function

Product Advantages

Flexible I/O Expansion

Wide Operating Voltage Range

High Output Drive Capability

Interrupt Support for System Monitoring

Integrated Power-On Reset for Reliable Operation

Key Technical Parameters

Package: 24-WQFN (4x4)

Operating Temperature Range: -40°C to 85°C

Mounting Type: Surface Mount

Quality and Safety Features

RoHS3 Compliant

Compatibility

Compatible with SMBus/I2C Interfaces

Application Areas

Industrial Automation

Home Appliances

Embedded Systems

General Purpose I/O Expansion

Product Lifecycle

This product is currently in production and not nearing discontinuation.

Replacement or upgrade options are available from Texas Instruments.

Key Reasons to Choose This Product

Flexible I/O expansion with 16 general-purpose pins

Wide operating voltage range of 1.65V to 5.5V

High output drive capability of 10mA/25mA sink/source current

Interrupt support for system monitoring and control

Integrated power-on reset for reliable operation

RoHS3 compliance for environmental responsibility

Availability of replacement and upgrade options from the manufacturer