PCF8574T

Product Overview The NXP PCF8574T is an 8-bit I2C remote I/O expander in SOIC-16 package. It provides 8 quasi-bidirectional I/O pins controlled via the I2C bus, expanding GPIO capability for microcontrollers with limited I/O. The interrupt output (INT) signals input change detection, reducing polling overhead. Key Specifications Interface I2C I/O Pins 8 quasi-bidirectional I2C Clock […]