BUY MCP23S17T-E/SO https://www.utsource.net/itm/p/1867301.html
16-Bit I/O Expander with Serial Interface
The MCP23S17T-E/SO is an I/O expander device from Microchip. It is a 28-pin SOIC package that provides 16-bit, general purpose parallel I/O expansion for I2C and SPI applications. It features an I2C/SPI serial interface, two configurable interrupt pins, and an internal pull-up resistor on each I/O pin. The device can be used to interface with a variety of digital and analog components, including LEDs, switches, sensors, and other I/O devices. The MCP23S17T-E/SO offers a wide range of features, including: 16-bit I/O port configuration in two 8-bit ports Supports I2C and SPI serial interface Configurable interrupt pins for each port Internal pull-up resistors on each I/O pin Open-drain output for each I/O pin Low power consumption Operating voltage range of 2.7V to 5.5V The MCP23S17T-E/SO is suitable for a variety of applications, including industrial automation, home automation, consumer electronics, and automotive. It can be used to interface with a variety of digital and analog components, including LEDs, switches, sensors, and other I/O devices. (For reference only)