TCA9554APWR - Texas Instruments

Manufacturer Part Number

TCA9554APWR

Manufacturer

Texas Instruments

Introduction

TCA9554APWR is a sophisticated Interface I/O Expander designed by Texas Instruments, providing a seamless and expandable I/O solutions for systems with limited GPIOs.

Product Features and Performance

8 I/O ports expandable through I2C and SMBus interface

Interrupt output feature for real-time response to input changes

Features Power-on Reset (POR)

Offers push-pull output type

Capable of sourcing/sinking current of 10mA and 25mA

Supports clock frequency up to 400 kHz

Operates over a broad voltage range of 1.65V ~ 5.5V

Engineered for performance in temperatures ranging -40°C ~ 85°C

Designed for surface mount applications with a 16-TSSOP form factor

Product Advantages

Allows significant expansion of I/O ports using minimal GPIOs

Ensures immediate system response through the interrupt output

Highly adaptable across a wide range of power supplies

Suitable for robust applications due to its wide operating temperature range

Easy to incorporate in space-constrained designs

Key Technical Parameters

Number of I/O: 8

Interface: I2C, SMBus

Interrupt Output: Yes

Clock Frequency: 400 kHz

Voltage Supply: 1.65V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Package: 16-TSSOP

Quality and Safety Features

Power-on Reset (POR) prevents improper startup

Push-pull outputs reduce the need for external pull-up resistors

Manufactured by Texas Instruments, ensuring high-quality and reliability

Compatibility

Compatible with systems requiring additional I/O through I2C or SMBus

Versatile voltage support for compatibility with a variety of logic levels

Application Areas

Embedded systems

Consumer electronics

Industrial controls

Mobile devices requiring expanded I/O capabilities

Product Lifecycle

Status: Active

This product remains actively manufactured and is not near discontinuation

Replacement and upgrade options are provided as newer models are developed

Several Key Reasons to Choose This Product

Increased I/O capabilities without significant GPIO or board space usage

Real-time system responsiveness with interrupt output

Supports a wide range of operating voltages and temperatures, enhancing system adaptability

High-quality and reliability assured by Texas Instruments

Flexible and future-proof design with active product lifecycle and support