CD4556 Dual Binary 1 of 4 Decoder Inverter

SKU: VC1121

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CD4556 is a part of the CD4000 IC series. CD4556 are dual one-of-four decoders/demultiplexers.

Technical Specification:

  • No. of Outputs: 4
  • Supply Voltage Range: 3V to 18V
  • Logic Case Style: DIP
  • No. of Pins: 16
  • Output Current Max: 6.8mA
  • Package / Case: DIP
  • Supply Voltage Min: 3V to 18V


  • Dual One-of-Four Decoders/Demultiplexers
  • Expandable with Multiple Packages
  • High Noise Immunity
  • Wide Operating Voltage
  • CD4556 Outputs Low on Select


  • Decoding
  • Code Conversion
  • Demultiplexing (Using Enable Input as a Data Input
  • Memory Chip-Enable Selection
  • Function Selection

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