Answer :
Note that the total number of transistors required is: 4 + 4 + 4 + 6 = 18 (the closest option is Option B)
How to compute the above
To determine the number of CMOS transistors required to implement the function F=(AC)+(A′B)+(AB′C′), we need to analyze the logic expression and identify the gates needed.
The expression consists of AND and OR operations. Each AND gate requires 4 transistors (2 PMOS and 2 NMOS) and each OR gate requires 6 transistors (3 PMOS and 3 NMOS).
Also, we need inverters which require 2 transistors (1 PMOS and 1 NMOS).
Breaking down the expression -
- (AC) requires 1 AND gate (4 transistors)
- (A′B) requires 1 AND gate (4 transistors)
- (AB′C′) requires 1 AND gate (4 transistors)
- Adding the outputs of the AND gates requires 1 OR gate (6 transistors)
Hence, the total number of transistors required is is
4 + 4 + 4 + 6 = 18
The closest estimated answer is B. 18.
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