BUY MCP23S17-E/SS https://www.utsource.net/itm/p/6341054.html
16-Bit I/O Expander with Serial Interface
MCP23S17-E/SS is a 16-bit I/O expander with SPI interface from Microchip Technology. It is a 28-pin SSOP package and is designed to provide general purpose parallel I/O expansion for microcontroller applications. Description: The MCP23S17-E/SS is a 16-bit I/O expander with SPI interface. It features an 8-bit addressable latch, 16-bit I/O port, and an interrupt output. The device has an operating voltage range of 2.7V to 5.5V and is designed to provide general purpose parallel I/O expansion for microcontroller applications. The device also features an internal power-on reset circuit, which ensures that all registers are reset to their default values. Features: 16-bit I/O port 8-bit addressable latch SPI interface Operating voltage range of 2.7V to 5.5V Internal power-on reset circuit Low power consumption Applications: Automotive Industrial Consumer Medical Robotics (For reference only)