Consider the circuit in Figure.
(a) Determine the value of Y for φ = 2.5 V and (i) A = B = 0; (ii) A = 0, B = 2.5 V; (iii) A = 2.5 V, B = 0; and (iv) A = B = 2.5 V.
(b) Repeat part (a) for φ = 0.
(c) What is the logic function implemented by the circuit?