Question

Which of the following is the propagation delay of TTL circuits?

(a) 1 s

(b) 1 ms

(c) 1 ns

(d) 1 ps

I have been asked this question by my college director while I was bunking the class.

I want to ask this question from Logic Families in division Digital Circuits of Analytical Instrumentation

Answer 1

Right answer is (c) 1 ns

To explain: The propagation delay of the TTL circuit is 1 ns. It is the main characteristic of the TTL circuit.