Discussion
Match the following :
| a. TTL | 1. High fan out |
| b. ECL | 2. Low propagation delay |
| c. CMOS | 3. High power dissipation |
Code : a b c
Answer: A
The correct matching is a-3, b-2, c-1. TTL has high power dissipation, ECL has a low propagation delay because its transistors do not saturate, and CMOS has high fan out, because its inputs draw almost no current.
The other codes give the low propagation delay to TTL or the high fan out to ECL, which is not so. So code 3 2 1 is the answer.
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