Determine the eight output levels in the figure given the following inputs:

a. A ₀  = 1, A ₁  = 0, A ₂  = 0, E̅ ₁  = 0, E̅ ₂  = 0, E ₃  = 1 

b. A ₀  = 1, A ₁  = 1, A ₂  = 1, E̅ ₁  = 0, E̅ ₂  = 1, E ₃  = 1 

 

Figure 74138 octal decoder applications. 

Ap A A2 E E Es Ao A A2 E E E 74138 74138 01 2 3 4 5 6 7 0 1 2 3 4 5 6 7 (a) (b)