MCP23S09 Datasheet PDF - Microchip

I/O Expander, 16Bit, 10MHz, Serial, SPI, 4.5V, 5.5V, SOIC

I/O Expander, 16Bit, 1.7MHz, I2C, Serial, 1.8V, 5.5V, SOIC

MICROCHIP MCP23017-E/SS I/O Expander, 16Bit, 1.7MHz, I2C, Serial, 4.5V, 5.5V, SSOP

MICROCHIP MCP23S08-E/SS I/O Expander, 8Bit, 10MHz, Serial, SPI, 1.8V, 5.5V, SSOP

MCP23008 Series 5.5V 1.7MHz 8Bit I/O Expander with Serial Interface - SOIC-18

MICROCHIP MCP23017-E/ML I/O Expander, 16Bit, 1.7MHz, I2C, 1.8V, 5.5V, QFN

MICROCHIP MCP23008-E/ML I/O Expander, 8Bit, 1.7MHz, I2C, Serial, 4.5V, 5.5V, QFN

MICROCHIP MCP23016-I/SO I/O Expander, 16Bit, 400kHz, I2C, 2V, 5.5V, SOIC

MICROCHIP MCP23S17-E/SS I/O Expander, 16Bit, 10MHz, Serial, SPI, 4.5V, 5.5V, SSOP