8x1 Multiplexer
8x1 multiplexer has 8 data input lines I0, I1, I2, I3, I4, I5, I6, I7, 3 select lines S0, S1, S2 and one output, Y.
Truth Table for 8x1 Multiplexer
Data Select Input
Output
Y
S2
S1
S0
0
0
0
I0
0
0
1
I1
0
1
0
I2
0
1
1
I3
1
0
0
I4
1
0
1
I5
1
1
0
I6
1
1
1
I7
De Multiplexer
1x8 de multiplexer has 1 input line I, 3 select lines S0,
S1, S2 and 8 outputs Y0, Y1, Y2,
Y3, Y4,Y5,
Y6, Y7
Truth Table of 1x8 DE MUX
Input
Data
S2
S1
S0
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
D
0
0
0
D
0
0
0
0
0
0
0
D
0
0
1
0
D
0
0
0
0
0
0
D
0
1
0
0
0
D
0
0
0
0
0
D
0
1
1
0
0
0
D
0
0
0
0
D
1
0
0
0
0
0
0
D
0
0
0
D
1
0
1
0
0
0
0
0
D
0
0
D
1
1
0
0
0
0
0
0
0
D
0
D
1
1
1
0
0
0
0
0
0
0
D
