74 HC series can sink upto 4 mA. The 74 LS series has IIL(max) - 0.4 mA. How many 74 LS inputs be driven by 74 HC output? - Digital Electronics

Electronics and Communication Engineering (ECE) : Digital Electronics - Quiz(MCQ)

74 HC series can sink upto 4 mA. The 74 LS series has IIL(max) - 0.4 mA. How many 74 LS inputs be driven by 74 HC output?

A)

8

B)

10

C)

100

D)

None of the above

Correct Answer : Option (B) : 10

Explanation : 4/0.4 = 10

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