MCP23008/MCP23S08
8-Bit I/O Expander with Serial Interface
Features
8-Bit Remote Bidirectional I/O Port - I/O pins default to input
High-Speed I2C Interface (MCP23008) - 100 kHz - 400 kHz - 1.7 MHz
High-Speed SPI Interface (MCP23S08) - 10 MHz
Hardware Address Pins - Three for the MCP23008 to allow up to eight devices on the bus - Two for the MCP23S0...
