Texas Instruments

PCF8574ADWR  

I/O Expanders

The PCF8574ADWR is a member of Texas Instruments' i2c bus and SMBus 8-bit I/O port expander family. The device is designed to provide a simple and cost-effective way to add I/O functionality to a microcontroller or other system.

Description:

The PCF8574ADWR is an 8-bit I/O expander that can be connected to an I2C or SMBus bus. It features an 8-bit bidirectional data port, allowing for both input and output functionality. The device also includes a 16-bit address register, allowing for up to 4 devices to be connected to the same bus.

Features:

• 8-bit bidirectional data port
• I2C or SMBus interface
• 16-bit address register for multiple device support
• 2.7V to 5.5V supply voltage range
• Small 16-pin TSSOP package

Applications:

The PCF8574ADWR is suitable for a wide range of applications where additional I/O functionality is required. Some examples include:

• Industrial control systems
• Home automation systems
• Medical equipment
• Robotics
• Sensor interfaces
• LED control and lighting applications
• General-purpose I/O expansion for microcontrollers

Overall, the PCF8574ADWR is a versatile and cost-effective I/O expander that can be easily integrated into a variety of systems to add additional functionality. Its small form factor and low power consumption make it an ideal choice for space-constrained applications.

PCF8574ADWR Documents

Download datasheets and manufacturer documentation for PCF8574ADWR

Datasheets :

PCF8574A      

HTML Datasheet :

PCF8574A      

PCN Design/Specification :

Material Set Rev 24/Jan/2016       Design 25/Feb/2022