CD4040 12-stage Binary/Ripple Counter

SKU: VC1035

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CD4040 belongs to the CD4000 IC series. It is a 12-stage ripple carry binary counter. The counter advances one count on the negative transition of each clock pulse. The counters are reset to the zero states by a logical “1” at the reset input independent of the clock. 

Technical Specification:

  • Part number: CD4040B
  • Technology Family: CD4000
  • VCC: 3V to 18V
  • Bits (#): 12
  • Voltage (Nom): 5V, 10V, 15V
  • F @ nom voltage (Max): 8MHz
  • ICC @ nom voltage (Max): 0.03mA
  • tpd @ nom Voltage (Max): 160ns
  • IOL (Max): 1.5mA
  • IOH (Max): -1.5mA
  • Function: Counter
  • Operating temperature range (C): -55 °C to 125 °C


  • 12-stage Ripple Carry Binary Counter
  • Counter is Advanced One Count at the Negative Transition of the Clock
  • Medium Speed up to 8MHz
  • Low Power CMOS


  • Control counters
  • Timers
  • Frequency dividers
  • Time-delay circuits

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