TCA9539RTWR - Texas Instruments

Manufacturer Part Number

TCA9539RTWR

Manufacturer

Texas Instruments

Introduction

Interface I/O Expander for optimal use in expanding I2C and SMBus interfaces

Product Features and Performance

16 I/O pins

I2C and SMBus interface support

Interrupt Output capability

Power-On Reset (POR) feature

Push-Pull Output Type

Operation at 400 kHz I2C bus clock frequency

Wide Voltage Supply range from 1.65V to 5.5V

Product Advantages

Integrated POR helps minimize system power-on issues

Push-Pull outputs do not require additional pull-up resistors

Higher I/O count for complex systems

High compatibility with I2C and SMBus systems

Ability to operate across a wide voltage range for greater design flexibility

Key Technical Parameters

Number of I/O: 16

Clock Frequency: 400 kHz

Voltage - Supply: 1.65V to 5.5V

Current - Output Source/Sink: 10mA, 25mA

Quality and Safety Features

Wide operating temperature range of -40°C to 85°C

Robust Surface Mount package

Compatibility

Compatible with I2C and SMBus protocols

Suitable for use with various microcontrollers and processors

Application Areas

Embedded systems

Microcontroller expansions

Industrial control systems

Server management

Robotics

Gaming systems

Product Lifecycle

Active product status, not nearing discontinuation

Availability of replacements or upgrade paths

Several Key Reasons to Choose This Product

Offers expandability for systems with limited I/O

Seamless integration with existing I2C or SMBus networks

Suitable for a wide variety of power supplies and environments

Reduces need for hardware changes with flexible configuration options

Facilitates improved system response with interrupt functionality