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4520 CD4520BE Dual 4-bit Binary Up Counter

4520 Dual 4-bit Binary Up Counter CD4520 belongs to the CD4000 IC family. 

  • CD4520 consists of dual synchronous 4-stage up counter  the counters are constructed.
  • using D – type flip flops with interchangeable CLOCK and ENABLE lines for incrementing on either the positive going or negative going transition.
  •  For single unit operation, the ENABLE input is maintained high and the counter advances on each positive-going transition of the CLOCK.
  • These counters can be revert back from their high levels on their RESET lines.
  • The IC also offers many features such as high noise immunity and low thermal dissipation.
  • The IC is always available in 16 – pin hermetically sealed package and is directly interfaceable with every TTL, CMOS & NMOS device.
  • High Voltage Types (20V Rating)
  • CD4518BMS Dual BCD Up Counter
  • CD4520BMS Dual Binary Up Counter
  • Medium Speed Operation
  • 6MHz Typical Clock Frequency at 10V
  • Positive or Negative Edge Triggering
  • Synchronous Internal Carry Propagation
  • 100% Tested for Quiescent Current at 20V
  • 5V, 10V and 15V Parametric Ratings
  • Maximum Input Current of 1µA at 18V Over Full Package Temperature Range; 100nA at 18V and +25oCApplication
  • Multistage Synchronous Counting
  • Multistage Ripple Counting
  • Frequency Dividers

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