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How to find the speed of a circuit in a circuit simulators?

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giri_lp

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How to find the speed of a circuit from Circuit simulators? say SPICE

Thanks in advance
 

Re: speed analysis

find the propagation delay of the circuit, from that u can find the speed of the circuit.
 

speed analysis

basically, there are 4 factors to decide the highest freq of a circuit:
1. in -> out delay
2. reg -> reg delay
3. in -> reg delay
4. reg -> out delay
the speed is limited by the longest delay of these four
 

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