Since all three used sections of the 157 are switching between GND and an input signal, they can be replaced by three AND gates. Also, I think the S and E pins are logically reversed.
TS - please post a logic table showing all possible combinations of 1A, 1B, 1Y, S, and E.
ak
TS - please post a logic table showing all possible combinations of 1A, 1B, 1Y, S, and E.
ak