What is propagation delay in CMOS VLSI circuits?

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Chetan Shidling asked 5 years ago

I need short information.

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chetan shidling answered 5 years ago

Propagation Delay (tpLH, tpHL) is the delay measured from the time the input is at 50% of its full swing value to the time the output reaches its 50% value.
Propagation delay = 50% of time (output) / 50% of time (input)