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Compare the various logic families with respect to their characteristics. Give at least five points with their practical values
written 4.5 years ago by gravatar for teamques10 teamques10 ★ 70k modified 3.7 years ago by gravatar for DevarenjiniP DevarenjiniP • 3.2k
digital electronics
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written 4.5 years ago by gravatar for teamques10 teamques10 ★ 70k

The various logic families are Transistor-Transistor logic, CMOS logic, ECL logic families.

TTL [Transistor-Transistor logic]

  • BJTs operating in saturated mode.
  • Limited switching speed (storage time).

ECL [Emitter-Coupled logic]

  • BJTs operating in unsaturated mode (i.e. emitter-follower mode).
  • Principle: Current switching [ECL is also sometimes called Current Mode logic].
  • Disadvantages:
    • Negative supply …

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