Decade counters

  • R. M. M. Oberman


A synchronous bcd counter (Binary Coded Decimal) can easily be derived from the 4-bit synchronous binary counter of figure 4.2. The resulting circuit is shown in figure 5.1. In practically the same form it is available integrated in one chip (SN74162).1


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  1. 2.
    Texas Instruments Integrated Circuits Data Book SN74162, SN74190, Texas Instruments Inc. July 1971, 9–41/9–67Google Scholar
  2. 2.
    G. R. Stibitz. Memorandum MM-38-325-51, Bell Telephone Lab. Inc. March 28, 1938Google Scholar
  3. 3.
    R. M. M. Oberman. Counting Chains, Codes and Translations in Dial Pulse Register Circuits. WEE Trans., 70 (1951)Google Scholar
  4. 4.
    R. E. Staehler. An Application of Boolean Algebra to Switching Circuit Design. Bell System Technical Journal, 31 (1952), 280–305CrossRefGoogle Scholar

Copyright information

© R. M. M. Oberman 1973

Authors and Affiliations

  • R. M. M. Oberman
    • 1
  1. 1.Technical UniversityDelftNetherlands

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