PCF8574P Remote 8-bit I/O Expander


Remote 8-bit I/O Expander in DIP16 package.

Brand: NXP (Philips)

Pack of 1-piece/lot.

Image is for package illustration purpose only. Refer to product specs for detail.

Out of stock

SKU: pcf8574p Category:


Remote 8-bit I/O Expander in DIP16 package.

The PCF8574 is a silicon CMOS circuit. It provides general purpose remote I/O expansion for most micro-controller families via the two-line bidirectional bus (I2C-bus). The device consists of an 8-bit quasi-bidirectional port and an I2C-bus interface.

Brief Data:

  • Operating supply voltage 2.5 to 6V.
  • Low standby current consumption of 10μA maximum.
  • I2C-bus to parallel port expander.
  • Open-drain interrupt output.
  • 8-bit remote I/O port for the I2C-bus.
  • Compatible with most microcontrollers.
  • Latched outputs with high current drive capability fordirectly driving LEDs.
  • Address by 3 hardware address pins for use of up to 8 devices (up to 16 with PCF8574A).
  • DIP16, or space-saving SO16 or SSOP20 packages.

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