BUY MCP23S17-E/SP https://www.utsource.net/itm/p/1583181.html
16-Bit I/O Expander with Serial Interface
The MCP23S17-E/SP is a 16-bit, general purpose parallel I/O port expander with SPI interface. It is designed to provide a simple and cost-effective solution for expanding the I/O capability of a microcontroller. Description: The MCP23S17-E/SP is a 16-bit, general purpose parallel I/O port expander with SPI interface. It is designed to provide a simple and cost-effective solution for expanding the I/O capability of a microcontroller. The device features a 16-bit I/O port (PORTA and PORTB) with internal pull-up resistors, an interrupt output pin, and SPI interface. The device can be configured to operate in 8-bit or 16-bit modes. Features: 16-bit I/O port (PORTA and PORTB) Internal pull-up resistors Interrupt output pin SPI interface Configurable to operate in 8-bit or 16-bit modes Low power CMOS technology Operating voltage range: 2.7V to 5.5V Operating temperature range: -40°C to +85°C Applications: Automotive Industrial Home Appliances Consumer Electronics Automation & Control (For reference only)