396
Digital Electronics
D
0
1
0
1
Q
0
0
1
1
n
Q
0
1
0
1
n+1
(c)
1
1
1
0
Q n
D
0
1
Q
=D
n+1
(d)
Q
FF
D
0
1
Clk
0
1
(b)
D
(a)
Clk
Q
Figure 10.39 D flip-flop.