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//example 11.7
clc;
clear;
disp('Given karnaugh map '); //given kmap
disp(' 00 01 11 10');
disp('00 11 00'' 11 00''');
disp('01 01'' 11 11 01''');
disp('11 10 11 11'' 10');
disp('10 10'' 10'' 11 11');
disp('Yes, the circuit may face problem in its operation. When the circuit is at stable state xyAB = 1111 and input AB changes from 11 --> 10 the circuit oscillates between xyAB = 1110 and xy AB = 1010. Also there can be a criticl race problem if at stable state xyAB = 0001, input AB chnge from 01 to 00. The circuit may settle at xyAB = 0100 or xyAB = 1000 depending on which of x and y changes first at the feedbck path. Non-critical race situatuion occurs if at stable state xyAB = 0010 the input AB change from 10 to 00. ');
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