An AND-OR gate produces a TRUE output if both A and B are TRUE or C is TRUE. Oth

Question

An AND-OR gate produces a TRUE output if both A and B are TRUE or C is TRUE. Otherwise, it produces a FALSE output. Write down a truth table for the gate Sketch a CMOS transistor circuit for the above gate assuming only un-complemented signals A, B, C are available (8 transistors are sufficient). Sketch a CMOS transistor circuit for the above gate assuming signals A, B, C and their complements are available. Hint: (AB)' = A' + B' where ' stands for the complement. (6 transistors are sufficient.)

Explanation / Answer

A B C Y=(A AND B)OR C
0 0 0 0
0 0 1 0
0 1 0 0
0 1 1 0
1 0 0 0
1 0 1 0
1 1 0 0
1 1 1 1

b) A and B goes in AND gate

and signal C and output of A and B goes to OR gate give desired result

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