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MCP23017-E/SP 16-bit I2C I/O Expander

Manufacturer: Microchip
Product Code: MCP23017-E/SP
Availability: In Stock
FastFind: 237940


The Microchip MCP23017 16-bit I/O Expander with I2C interface provides 16 pins of general purpose I/O as well as two configurable interrupt pins in a convenient 28-pin DIP package.

The I2C address of the expander can be chosen using the A0, A1 and A2 inputs - allowing you to use the expander with other I2C devices, including multiple I/O expanders.

  • Supports 100kHz, 400kHz and 1.7MHz I2C rates for quick configuration and use of the I/O
  • Three address pins allow up to eight devices on the bus
  • Configurable interrupt pins - active-high, active-low or open-drain
  • Configurable interrupt source - interrupt on change from configured register defaults or pin changes
  • External reset input
  • Low standby current - only 1µA!
  • Operates at between 1.8 and 5.5V
  • 28-pin DIP package for easy mounting on breadboards, stripboard or PCBs

For more information on the Microchip MCP23017 16-bit I/O Expander, see the datasheet: Download Datasheet.


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