F1 = A*B,F2 = (B+C)' ,Y = F1 * F2' + F1' * F2 ;
Y = A*B + B' *C' ;
真值表:
A B C F1 F2 Y
0 0 0 0 1 1
.........
Z = (Y1 * Y2)' = Y1' + Y2' ;
B A Y
0 1 Y1'
1 0 Y2'
Y1' = A4' * ( A * B' ) = A4' * [ (A1*A2) * A3' ]
Y2' = A4' * ( A' * B ) = A4' * [ (A1*A2)' * A3 ]
Z = A4' * [ (A1*A2) * A3' + (A1*A2)' * A3 ]