Question
Download Solution PDFWhich one of the the following logic family has least propagation delay ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFEmitter-coupled-logic (ECL):
- Emitter-coupled-logic (ECL) is a BJT logic family which is generally considered as the fastest logic available.
- ECL achieves its high-speed operation by employing a relatively small voltage swing and preventing the transistors from entering the saturation region. (Reduces the storage delay time).
- ECL transistor uses differential amplifier configuration as shown:
Hence option (2) is the correct answer.
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