What is the voltage range of TTL family for detecting an input high signal?

2017

Answer: D. 2 – 5 V — For TTL logic, a high input is typically recognized in the 2 V to 5 V range.

1. A.

   3 - 15 V

2. B.

   2 - 18V

3. C.

   -0 to -15 V

4. D.

   2 – 5 V

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