74 series digital circuit 74390 74LS390 and other dual four bit binary counters (asynchronous clear)

Published:2011/4/19 3:54:00 Author:May | Keyword: digital, dual four bit binary counters, asynchronous clear, | From:SeekIC

7493A, 74LS93 type, QA is connected and inputted to B from inside. It's high level clear. It sets all four outputs to low level.function table 74393, 74LS393, 74CH393 dual four bit binary counter (asynchronous clear)



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