SN74HCS08/SN74HCS08-Q1 2-Input Positive-AND Gate Texas Instruments SN74HCS08/SN74HCS08-Q1 2-Input Positive-AND Gate contains four independent 2-input AND Gates with Schmitt-trigger inputs. Each gate performs the Boolean function Y = A ● B in positive logic. The Texas Instruments SN74HCS08-Q1 devices are AEC-Q100 qualified for automotive applications.