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PrimeTime 2016 User guide

1.
You can perform minimum-maximum analysis using a single library with minimum and
maximum operating conditions specified, or two libraries, one for the best-case conditions
sand one for the worst-case conditions. For more information, see Using Two Libraries for
Analysis.

2.
Enable minimum-maximum analysis by using one of these methods:
• Set the minimum and maximum operating conditions with the
set_operating_conditions command
• Read in an SDF file using the option to read both the minimum and maximum delay
values from the SDF file

3-1.
Each timing arc can have a minimum and a maximum delay to account for variations in
operating conditions. You can specify these values in either of the following ways:
• Annotate delays from one or two SDF files
• Have PrimeTime calculate the delay
3-2.
To annotate delays from one or two SDF files, use one of the following:
• Minimum and maximum from the SDF triplet
• Two SDF files
• Either of the preceding choices, with additional multipliers for maximum and minimum
values