MCP23017 16-bit I/O (E/SL, i2c input/output expander)

MCP23017 Features

• 16-bit remote bidirectional I/O port
  - I/O pins default to input
• • High-speed I2C™ interface (MCP23017)
  - 100 kHz
  - 400 kHz
  - 1.7MHz
• Three hardware address pins to allow up to eight devices on the bus
• Operating Voltage: 1.8V to 5.5V