Multiple choice

The DTL, TTL, ECL and CMOS families of digital ICs are compared in the following 4 columns:

(P) (Q) (R) (S) Fanout is minimum DTL DTL TTL CMOS Power consumption is minimum TTL CMOS ECL DTL Propagation delay is minimum CMOS ECL TTL TTL
The correct column is

  1. P

  2. Q

  3. R

  4. S
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The DTL has minimum fan out and CMOS has minimum power consumption. Propagation delay is minimum in ECL.

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