Microchip MCP23017 I2C Port Expander 5 volts


  • Model: SPL-002005
  • Shipping Weight: 0.01Kg
  • 35 Units in Stock
  • Manufactured by: Microchip

The MCP23017 device family provides 16-bit, general purpose parallel I/O expansion for I2C bus applications.

The 16-bit I/O port functionally consists of two 8-bit ports (PORTA and PORTB).


  • 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
  • Three hardware address pins to allow up to eight devices on the bus
  • High-speed I2C™ interface (MCP23017)


MCP23017/MCP23S17 Data Sheet

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