Circuits: 4-1 Multiplexor
Inputs:
Data: 4 (
x
0
, x
1
, x
2
, x
3
)
Control: ceil (lg n) = 2 (
c
0
, c
1
)
Output: 1 (
z
)
Condensed truth table:
Row
c1
c0
z
0
0
0
x
0
1
0
1
x
1
2
1
0
x
2
3
1
1
x
3
Boolean function:
z = \c
1
\c
0
x
0
+ \c
1
c
0
x
1
+ c
1
\c
0
x
2
+ c
1
c
0
x
3