Encoder

8-to-3 Encoder
Activate one input D0–D7 and observe the encoded output X, Y, Z.
Output: 0 0 0
Circuit Diagram
8:3 encoder implemented using OR priority logic.
Timing Diagram
t₀–t₇ show which Di is active and its X Y Z encoding.
t₀ t₁ t₂ t₃ t₄ t₅ t₆ t₇ X Y Z D0 D1 D2 D3 D4 D5 D6 D7
Current: X Y Z = 000 (active input: none)

Comments