14-Bit SPI I/O Expander with Agile I/O Features | NXP Semiconductors

14-Bit SPI I/O Expander with Agile I/O Features

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Block Diagram

PCAL9714

PCAL9714 Block Diagram

Features

High Channel Count Expansion

  • 14-bit GPIO with SPI

Highly Configurable Agile I/O

  • Push-pull or open-drain outputs
  • Interrupt status registers
  • Four different output drive strengths
  • Enable and resistor selector for pull-up and pull-down resistors
  • Interrupt mask options

Additional Features

  • Schmitt trigger action allows slow input transition and better switching noise immunity
  • 5.5 V tolerant I/O ports and SPI bus pins
  • Noise filter on SPI inputs
  • Latch-up performance exceeds 100 mA per JESD 78, Class II
  • ESD protection exceeds JESD 22

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Documentation

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2 documents

Compact List

Design Files

Hardware

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1 hardware offering

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    Evaluation and Development Boards

    Expand 18 Click

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