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Hi artmalik, thanks a lot.
I know what you say, and I want to check(re-generate) aocv table by hspice.
But I find a question here. Because the aocv table is generated by what you say.
If we want to calculate the real timing ,it should be
(liberty timing *stage number) * (the aocv data of that...
The delay of a inverter is 20ps,
The aocv table (early) is
1st stage is 0.9
2nd stage is 0.95
3rd stage is 0.97
If there is no aocv table , the timing delay after 3 inverter is 20+20+20=60ps
Or using ocv early =0.9 ,
The timing delay after 3 inverter is 20*0.9 + 20*0.9 + 20*0.9 =...
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