TCA9554DBR - Texas Instruments

Manufacturer Part Number

TCA9554DBR

Manufacturer

Texas Instruments

Introduction

Texas Instruments TCA9554DBR is an I2C interface I/O expander designed to provide additional digital I/O ports to a microcontroller or processor.

Product Features and Performance

I2C Interface Support

8-Bit I/O Expander

Programmable Output Port

Power-On Reset

Push-Pull Outputs

400 kHz Clock Frequency

Support for Interrupts

65V to 5.5V Operating Voltage Range

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

Product Advantages

Easy integration with microcontrollers using I2C

Expandable I/O capability without increasing the processor pin count

Compact 16-SSOP Package for space-saving

Low voltage support catering to modern electronics

High noise immunity with push-pull outputs

Key Technical Parameters

Number of I/O: 8

Interface: I2C

Interrupt Output: Yes

Output Type: Push-Pull

Clock Frequency: 400 kHz

Voltage Supply: 1.65V to 5.5V

Operating Temperature: -40°C to 85°C

Mounting Type: Surface Mount

Package/Case: 16-SSOP

Quality and Safety Features

Robust Operating Temperature Range for reliability in various environments

Power-On Reset for consistent performance across power cycles

Compatibility

Compatible with any I2C-compliant microcontroller or processor

Supports a broad range of supply voltages for versatile use with different logic levels

Application Areas

Embedded Systems

Microcontroller Expansion

Industrial Control Systems

Consumer Electronics

Automotive Electronics

Product Lifecycle

Active Status

Currently not nearing discontinuation

Replacements or upgrades should be referenced to the base product number TCA9554

Several Key Reasons to Choose This Product

Allows for I/O expansion without additional microcontroller pins, saving design space

Supports a wide range of supply voltages, making it suitable for various power environments

Robust temperature range ensures reliability in extreme conditions

Comes in a compact package that is ideal for space-constrained applications

I2C interface ensures easy and standardized integration

High interrupt capability enhances real-time response for connected devices