5-Bit Multiplexed/1-Bit Latched 6-Bit I²C EEPROM DIP Switch

PCA9559PW

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Block Diagram

PCA9559 Block Diagram

 PCA9559 Block Diagram

Features

  • 5-bit 2-to-1 multiplexer, 1-bit latch DIP switch
  • 6-bit internal non-volatile register
  • Internal non-volatile register programmable and readable via I²C-bus
  • Override input forces all outputs to logic 0
  • 5 open drain multiplexed outputs
  • 1 open drain non-multiplexed (latched) output
  • 5 V and 2.5 V tolerant inputs
  • Useful for ?jumperless? configuration of PC motherboards
  • 2 address pins, allowing up to 4 devices on the I²C-bus
  • ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101
  • Latch-up testing is done to JESDEC Standard JESD78 which exceeds 100 mA

Documentation

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Hardware

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Engineering Services

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