Repeat Problem 17.23 for VCC = 3.3 V. Assume the input condition is X = Y = 3.3 V.
Figure P17.23 shows an improved version of the DTL circuit. One offset diode is replaced by transistor Q1, providing increased current drive to Q0. Assume β = 20 for both transistors.
(a) For X = Y = 5 V, determine the currents and voltages listed in the figure.
(b) Calculate the maximum fanout for the low output condition.