5_DIGIT_FLUORESCENT_DIODES

Published:2009/7/1 22:37:00 Author:May | From:SeekIC

Realtime drive for five-decade counter requires only three lCs MC14534 contains five-decade ripple counter with output time multiplexed by internal scanner. Scanning rate is controlled by inverters 4 and 5 of MC14572. Multiplexed BCD outputs go to MC14543 7-segment decoder whose outputs drive fluorescent diodes.-A.Pshaenich, Interface Considerations for Numeric Display Systems, Motorola,Phoenix,AZ,1975,AN-741,p 10.



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