module Z74X153 
title '74x153-like multiplexer PLD 
J. Wakerly, Stanford University' 
"Z74X153 device 'P16L8'; 

" Input pins 
A, B, !G1, !G2             pin 17, 18, 1, 6; 
C10, C11, C12, C13         pin 2, 3, 4, 5; 
C20, C21, C22, C23         pin 7, 8, 9, 11;

" Output pins 
Y1, Y2                     pin 19, 12 istype 'com';

equations

Y1 = G1 & ( !B & !A & C10
          # !B &  A & C11
          #  B & !A & C12
          #  B &  A & C13);

Y2 = G2 & ( !B & !A & C20
          # !B &  A & C21
          #  B & !A & C22
          #  B &  A & C23);

end Z74X153