Cascading decoders
0 A'B'C'D'E' 1 2 3 4 5 6 7
S2
3:8 DEC
S1
S0
A
B
0 1 2 3
S1
2:4 DEC
S0
F
0 1 2 A'BC'DE' 3 4 5 6 7
S2
3:8 DEC
S1
S0
E
C
D
0 AB'C'D'E' 1 2 3 4 5 6 7 AB'CDE
5:32 decoder
1x2:4 decoder
4x3:8 decoders
3:8 DEC
0 1 2 3 4 5 6 7 ABCDE
E
C
D
S2
S1
S0
S2
3:8 DEC
S1
S0
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