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hi, you need to check the headlines in .lib,
if the measurements are from 30% ~ 70%, the transition time actually measured 40% of the voltage swing,
if are from 20% ~ 80%, the transition time actually measured 60% of the voltage swing,
after that, the presented date in the transition timing...
First of all thank you very much!
Currently, I'm looking for how the building-lib software work. I have found a equation to generate the number and value of the breakpoints for LUT.
Refered to SiliconSmart userguide, the index can be calculated by = smallest_slew+a(largest_slew-smallest_slew)...
How Library Compiler determine the index interval for a 2-D lookup table?
the variables listed in x-axis,and y-axis are not normally distributed.
Thanks
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