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