Multiplexers and Demultiplexers
291
3-to-8
Decoder
2
2
2
1
2
0
D 0
D 1
D 2
D 3
D 4
D 5
D 6
D 7
3-to-8
Decoder
D 8
D 9
D 10
D 11
D 12
D 13
D 14
D 15
E
2
2
2
1
2
0
E
C
B
A
D
Figure 8.24 Example 8.8.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
74154
1(A)
2(B)
4(C)
8(D)
&
G 1
G 2
Figure 8.25 Example 8.9.