SN74HCS86/SN74HCS86-Q1 2-Input XOR Gate Texas Instruments SN74HCS86/SN74HCS86-Q1 2-Input XOR Gate contains four independent 2-input XOR Gates with Schmitt-trigger inputs. Each gate performs the Boolean function Y = A ⊕ B in positive logic. The Texas Instruments SN74HCS86-Q1 devices are AEC-Q100 qualified for automotive applications.