CD4012 Dual 4-input NAND Gate

SKU: VC1010

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The CD40109B contains four low-to-high-voltage level-shifting circuits. Each circuit will shift a low-voltage digital-logic input signal (A, B, C, D) with logical 1 = VCC and logical 0 = VSS to a higher-voltage output signal (E, F, G, H) with logical 1 = VDD and logical 0 = VSS.

Technical Specification:

  • VCC(Max): 18V
  • Rating: Catalog
  • Schmitt Trigger: No
  • Output Drive (IOL/IOH)(Max): 4.2/-4.2mA
  • VCC(Min): 3V
  • Voltage(Nom): 5,10,15V
  • Bits(#): 4
  • Operating Temperature Range: -55°C to 125°C
  • ICC @ Nom Voltage(Max)(mA): 0.001
  • Technology Family: CD4000


  • Independence of power supply sequence considerations - VCC can exceed VDD, input signals can exceed both VCC and VDD
  • Up and down level-shifting capability
  • Three-state outputs with separate enable controls
  • Standardized, symmetrical output characteristics


  • High-or-low level-shifting with three-state outputs for unidirectional or bidirectional bussing
  • Isolation of logic subsystems using separate power supplies from supply sequencing, supply loss and supply regulation considerations

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