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I²C MCP23017 16-Channel Digital Input/Output


  • 16-bit remote bi-directional I/O port
  • High-speed I²C interface
  • No Need of soldering. Plug and Play Device
  • Quick and Easy Daisy-chained Device
  • Configurable interrupt source
  • Low standby current
  • Screw Terminal Access to All GPIOs
  • Chain up to 8 per I²C Port

10 in stock


The I²C  MCP23017 digital input output device provides general purpose parallel I/O expansion for I²C bus or SPI applications.

The device has an I²C interface and consists of multiple configuration registers for input, output, and polarity selections.

There are 3 hardware address pins that will allow up to 8 devices on the bus. Do not exceed 5VDC on any input.

May be powered by the I²C bus or powered externally (jumper-selectable).



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