The SNx4AHC86 devices are quadruple
2-input exclusive-OR gates. These devices perform the Boolean function Y = A ⊕ B or
Y = AB + A B in positive logic.A common application is as a true or
complement element. If one of the inputs is low, the other input is reproduced in
true form at the output. If one of the inputs is high, the signal on the other input
is reproduced inverted at the output.