ECE 275: Digital Design I
Class 17Decoders with Enable
2:4 Decoder truth table with Enable
E | A | B | Y3 | Y2 | Y1 | Y0 |
---|---|---|---|---|---|---|
0 | X | X | 0 | 0 | 0 | 0 |
1 | 0 | 0 | 1 | |||
1 | 0 | 1 | 1 | |||
1 | 1 | 0 | 1 | |||
1 | 1 | 1 | 1 |
2:4 Decoder truth table with Enable
E | A | B | Y3 | Y2 | Y1 | Y0 |
---|---|---|---|---|---|---|
0 | X | X | 0 | 0 | 0 | 0 |
1 | 0 | 0 | 1 | |||
1 | 0 | 1 | 1 | |||
1 | 1 | 0 | 1 | |||
1 | 1 | 1 | 1 |