TCA6416PW - Texas Instruments

Manufacturer Part Number

TCA6416PW

Manufacturer

Texas Instruments

Introduction

The TCA6416PW is an integrated circuit designed for expanding the input/output capabilities of microcontrollers, especially where additional GPIOs are necessary. It operates as an interface I/O expander controlled via the I2C bus.

Product Features and Performance

16-bit I/O expander for the two-line bidirectional bus (I2C)

Built-in Power-On Reset (POR) feature

Interrupt output for input change detection

Push-Pull output type

Offers a current output source/sink of 10mA, 25mA

Supports clock frequencies up to 400 kHz

Wide range voltage supply compatibility from 1.65V to 5.5V

Operates within a temperature range of -40°C to 85°C

Product Advantages

Expands I/O capabilities significantly without needing more microcontroller pins

Interrupt feature allows for efficient CPU utilization

Flexible power supply voltage range supports use with various logic levels

Power-On Reset (POR) ensures reliable operation on power-up

Key Technical Parameters

Number of I/O: 16

Interface: I2C

Clock Frequency: 400 kHz

Voltage Supply: 1.65V ~ 5.5V

Current Output Source/Sink: 10mA, 25mA

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Designed and manufactured by Texas Instruments, ensuring high-quality and reliability

Power-On Reset (POR) functionality contributes to the safe start-up of the device

Compatibility

Compatible with I2C bus interfaces

Can be used with multiple microcontroller units (MCUs) owing to its wide voltage range

Application Areas

Industrial automation

Home automation systems

Server management

Extended GPIO for microcontrollers in embedded systems

Product Lifecycle

The TCA6416PW is listed as "Last Time Buy," indicating it is nearing discontinuation. Users should consider planning for replacements or exploring upgrades for future designs.

Several Key Reasons to Choose This Product

High reliability and quality from Texas Instruments

Flexible voltage supply range and high operating temperature range make it suitable for various environments

Interrupt capability enhances efficiency in detecting input changes

Considerable expansion of I/O capabilities with minimal microcontroller resource usage

Last Time Buy status offers a final opportunity to purchase for existing designs before exploring newer alternatives