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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- 2.Texas Instruments Integrated Circuits Data Book SN74162, SN74190, Texas Instruments Inc. July 1971, 9–41/9–67Google Scholar
- 2.G. R. Stibitz. Memorandum MM-38-325-51, Bell Telephone Lab. Inc. March 28, 1938Google Scholar
- 3.R. M. M. Oberman. Counting Chains, Codes and Translations in Dial Pulse Register Circuits. WEE Trans., 70 (1951)Google Scholar