74 series digital circuit of 7480 door input full adder

Published:2011/3/31 22:43:00 Author:Ecco | Keyword: digital circuit, door input, full adder | From:SeekIC

7480 door input full adder 1.A=AC+A*+A1·A2, B=BC+B+B1·B22.When A* is used as input, A1 and A2 should be low, when B* is used as input, B1 and B2 should be low.3. When A1 and A2 or B1 and B2 are used as input, A* or B* should be used as completing line and logic.



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