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1, .*<br />
2,#*<br />
K-map for P1<br />
Q1Q0 Q1<br />
DN 00 01 11 10<br />
00 0 0 1 1<br />
01 0 1 1 1<br />
N<br />
11 X X X X<br />
D<br />
10 1 1 1 1<br />
Q0<br />
K-map for P0<br />
Q1Q0 Q1<br />
DN 00 01 11 10<br />
00 0 1 1 0<br />
01 1 0 1 1<br />
N<br />
11 X X X X<br />
D<br />
10 0 1 1 1<br />
Q0<br />
K-map for Open<br />
Q1Q0 Q1<br />
DN 00 01 11 10<br />
00 0 0 1 0<br />
01 0 0 1 0<br />
N<br />
11 X X X X<br />
D<br />
10 0 0 1 0<br />
Q0<br />
P 1 = Q 1 + D + Q 0 N<br />
P 0 = Q 0 'N + Q 0 N' + Q 1 N + Q 1 D<br />
OPEN = Q 1 Q 0<br />
if FFs do not have a reset pin then<br />
P 1 = reset'(Q 1 + D + Q 0 N)<br />
P 0 = reset'(Q 0 'N + Q 0 N' + Q 1 N + Q 1 D)<br />
A BC 83 8C <<br />
A BC D< 8C