minorcsw
Newbie level 3
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 = (20+20+20)*0.9
But if we use aocv table, the delay time should be
(20 + 20 + 20) * 0.97 ?? Or
(20 * 0.9) + (20 + 0.95) + (20 * 0.97)??
Thanks a lot !!
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 = (20+20+20)*0.9
But if we use aocv table, the delay time should be
(20 + 20 + 20) * 0.97 ?? Or
(20 * 0.9) + (20 + 0.95) + (20 * 0.97)??
Thanks a lot !!