Features of MCP23S17 SPI Interface

• 16-bit input/output port expander with interrupt output

• Cascadable for up to 8 devices on one bus

• 25mA sink/source capability per I/O

• Supports up to 10MHz SPI clock speeds

• Max. Bus Frequency 10000 (kBits/s)

• Operating Voltage Range 1.8 to 5.5 (V)

• Operating Temp Range -40 to 125 (C)