434
Digital Electronics
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
A B C D
A
B
D
D
C
A
B
C
G
A
A
A
B
B
B
C
C
C
D
D
D
G 1
G 2
Inputs
Outputs
Figure 11.19 Logic diagram of IC 74154.