PCAL6524EV 24-Bit GPIO Arduino® Shield


Roll over image to zoom in

Product Details

Select a section:

Supported Devices


I2C-Bus Controller and Bridge ICs


General Function

  • Support 24-bit GPIO
  • Open-drain active LOW interrupt output (INT)
  • Latched outputs with 25 mA drive maximum capability for directly driving LEDs
  • Agile I/O with output drive strength, input latch, pull-up/pull-down enable/selection and interrupt mask features


  • Supply voltage: VDD (p) 1.65 V to 5.5 V, VDD (I2C-bus) 0.8 V to 3.6 V
  • Low standby current (2.0 uA/3.0 uA)

Voltage Translation

  • Allows bidirectional voltage-level translation and GPIO expansion between 0.8 V to 3.6 V SCL/SDA and 1.8 V, 2.5 V, 3.3 V, 5.5 V Port P


  • 1 MHz Fast-mode Plus I2C-bus
  • RESET pin


  • HUQFN32 and VFBGA36

Buy Options


Click to expand

  • PCAL6524EV-ARD

  • PCAL6524EV 24-Bit GPIO Arduino® Shield .

  • $130.90 USD
  • For a quantity of 1
    • Availability: In stock
    • Inventory: 26
    • Shipping: Normally ships 1-2 business days
Buy from NXPBuy From Distributor


Quick reference to our documentation types.

3 documents

Design Resources

Select a section:

Design Files

2 design files

  • Printed Circuit Boards and Schematics

    PCAL6524EV-ARD Schematics

  • Design Files - miscellaneous

    PCAL6524EV-ARD Design Files


What do you need help with?