TCA6408PWR - Texas Instruments

Manufacturer Part Number

TCA6408PWR

Manufacturer

Texas Instruments

Introduction

The TCA6408PWR is an interface I/O expander designed to maximize the functionality of general-purpose input-output signals via I2C or SMBus communication.

Product Features and Performance

8 programmable I/O pins

Supports I2C and SMBus interfaces

Integrated interrupt output feature

Power-on reset (POR) functionality

Push-pull output type

Capable of handling up to 400 kHz clock frequency

Product Advantages

Enables expansion of input-output ports using only two bus lines

Accommodates a wide range of power supplies from 1.65V to 5.5V

Suitable for operating under extreme temperatures ranging from -40°C to 85°C

Key Technical Parameters

Number of I/O: 8

Interface: I2C, SMBus

Interrupt Output: Yes

Current Output Source/Sink: 10mA, 25mA

Clock Frequency: 400 kHz

Voltage Supply: 1.65V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Power-on reset minimizes system malfunction on power-up

Operating temperature range ensures reliability in variable environmental conditions

Compatibility

Compatible with devices requiring additional I/O interfaces through I2C or SMBus

Use with a range of 1.65V to 5.5V voltage supplies

Application Areas

Industrial automation

Consumer electronics control expansion

Server management

Remote monitoring

Product Lifecycle

This product is marked as Obsolete

Check for potential replacement or upgraded options

Several Key Reasons to Choose This Product

Efficient integration of additional I/O ports with minimal pin use

Broad compatibility with multiple bus interfaces and voltage levels

Robust design capable of operating in harsh environments

Features like POR and interrupt outputs enhance system reliability and responsiveness.