Product Tree

Products for I2C IO Expander

TI's I2C IO Expander ICs will help you with your I2C device projects.

For more information, see the I2C Overview, which includes overviews of the TCA, PCA, and PCF technologies, as well as Portfolio links, a Competitor Cross Reference, and Videos.

Technical Documents   

  • Improving System Interrupt Management Using the PCF8574 and PCF8574A I/O Expande (scpa032.HTM, 9 KB)
    27 Jul 2001 Abstract