PCA9555A
Low-voltage 16-bit I2C-bus I/O port with interrupt and weak pull-up
Rev. 1.1 — 6 October 2015
Product data sheet
1. General description
The PCA9555A is a low-voltage 16-bit General Purpose Input/Output (GPIO) expander with interrupt and weak pull-up resistors for I2C-bus/SMBus applications. NXP I/O expanders provide a simple solution when additi...