NXP PCF8574T/3,518 Interface IC I/O expander SO16 Tape on Full reel

NXP Semiconductors PCF8574T/3,518 is a versatile I/O expander designed to enhance microcontroller functionality by providing eight additional general-purpose input/output pins accessible via the I2C bus. This surface-mounted device, supplied in an SO16 package, is suitable for operations requiring expanded I/O capabilities without the need for extensive modifications to the primary microcontroller system. Typical applications include home automation systems, sensor interfacing, and instrumentation where additional I/O ports are essential for connecting multiple peripherals. The integration of I2C connectivity allows for efficient communication with other devices, making it ideal for projects demanding seamless integration and low power consumption.

Type	Interface IC - I/O extensions