COURSE: ECSE – 325 Assignment #1 WINTER 2025
YOUR NAME:
________________________________________________________________________
McGILL UNIVERSITY
Department of Electrical and Computer Engineering
ECSE-325 Digital Systems W2025
Assignment #1
Question 1: CMOS Circuits (6 points)
a) Write down the Boolean expression for the signal S as a function of
the inputs (A, B, Ci, D) as implemented by the CMOS circuit shown.
D
ANSWER:
S = ABCi + D(A+B+Ci)
YOUR NAME:
________________________________________________________________________
McGILL UNIVERSITY
Department of Electrical and Computer Engineering
ECSE-325 Digital Systems W2025
Assignment #1
Question 1: CMOS Circuits (6 points)
a) Write down the Boolean expression for the signal S as a function of
the inputs (A, B, Ci, D) as implemented by the CMOS circuit shown.
D
ANSWER:
S = ABCi + D(A+B+Ci)
