74 Series digital circuit of 74LS168A/169A preset 4-bit synchronous reversible counter

Published:2011/7/28 22:42:00 Author:Lucas | Keyword: 74 Series , digital circuit , preset 4-bit synchronous , reversible counter | From:SeekIC

168 is preset carry lookahead reversible decimal counter; 169 is preset carry lookahead reversible binary counter; count and preset are fully synchronized; it can be carry lookahead when fast counting; it can be used for n-bit binary cascade output; the clock circuit is fully independent.



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