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Signals and Switches - Technical MCQs

Q1:

Why does the TTL family use a totem-pole circuit on the output?

A It provides active pull-up.

B It provides active pull-down.

C It provides active pull-up and active pull-down.

ANS:C - It provides active pull-up and active pull-down.

Totem-pole output, also known as a push-pull output, is a type of electronic circuit and usually realized as a complementary pair of transistors. The High and Low level of the output are determined.