MCP23017 - 16-Bit I/O Expander

Microchip Technology

Datasheet Details

MCP23017/MCP23S17 16-Bit I/O Expander with Serial Interface.

16-Bit Remote Bidirectional I/O Port: - I/O pins default to input.
High-Speed I2C Interface (MCP23017): - 100 kHz - 400 kHz - 1.7 MHz.
High-Speed SPI Interface (MCP23S17): - 10 MHz (maximum).
Three Hardware Address Pins to Allow Up to Eight Devices On the Bus.
Configurable Interrupt Output Pins: - Configurable as active-high, active-low or open-drain.
INTA and INTB Can Be Configured to Operate Independently or Together Package Types MCP2301.