Does your simulated variation in transistor delay match that

Does your simulated variation in transistor delay match that predicted by the equation? Comment on the possible causes of any difference? I = (µ.Cox.W / 2L)(Vg2)

Wpmos Wnmos Ratio High- Low Delay (ps) Low- High Delay (ps) Area High Low Delay
Orginial Transistor 20 10 2 17.994 17.841 32 x 82
10 10 1 25.02 11.963 32 x 82
20 4 5 15.676 37.667 32 x 82
10 1 10 15.848 80.356 32 x 82
10 20 0.5 35.593 7.968 32 x 82
5 20 0.25 60.002 6.887 32 x 82
1 10 0.1 0.151 6.981 32 x 82

Solution

There is a small difference due to parasitIc components

Does your simulated variation in transistor delay match that predicted by the equation? Comment on the possible causes of any difference? I = (µ.Cox.W / 2L)(Vg2

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