Larger DMUX from smaller DMUX
1-to-2 DMUX Design & Symbol
The larger DMUX can be built from smaller DeMUXes by cascading the DeMUXes similar to
MUXes. For example: building a 3-to-8 DMUX using 1-to-2 DeMUXes:Y
X
W
0
1
2
DS EN
0 1 2 3 4 5 6 7
Cascade Level 2 Cascade Level 1EN
0
D 0
D 1
0
1
EN
0
D 14
D 15
0
1
Z
.
.
.
DS
”Data Select”D 0
D 1
A 0
”encoded data”