The UT54ACS08 and the UT54ACTS08 are quadruple twoinput AND gates. The circuits perform the Boolean functions Y= A B or Y = A + B in positive logic. PINOUTS 14-Pin DIP Top View A1 B1 Y1 A2 B2 Y2 VSS 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VDD B4 A4 Y4 B3 A3 Y3 14-Pin Flatpack Top View A1 B1 Y1 A2 B2 Y2 V.