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Embedded Interface – PCF8574 and PCF8574A I/O Expender

Feature

  • Two wire i2c Bus Interface
  • 8-Bit Parallel Bus Ex-panders
  • Operating Voltage VCC -2.5v to 6v
  • Up-to 8 Addressed by three hardware-address pins
  • Low standby current consumption 10mA maximum 
  • LED Driving (Latched output with high-current drive capability)

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