This product has been retired from our catalog and is no longer for sale. This page is made available for those looking for datasheets and the simply curious.
Description: Have you run out of I/O pins? This great IC allows the user to expand up to 16 I/O using only two I/O for control! The PCF8575C is controlled through an I2C interface and features 16-bits of quasi-bidirectional input/output pins. Checkout the datasheet for more info!
Recommended Replacement: The SX1509 breakout is a 16 channel I2C GPIO expander. It’s not drop in replacement but is a good functional match.
Dimensions: 1" x 1"
Based on 1 ratings:
Works well, used it to scan a 4x4 keypad & still have 8 I/O pins left over. Interrupt means main program does not have to constantly poll keypad.