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Create VDR Labels/Markers from Simulation Voltages

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I am trying to use the simulation-based Voltage Dependent Rules (VDR) flow for the 1st time.
Question: If I saved the Vmin/Vmax dataset from a EAD-enabled simulation of a TB, it creates 'constraint' view for the DUT. Why is that when the DUT layout view is opened in Layout XL, invoking Tools > VDR... > Create Labels/Voltages from Simulation Voltages...  The VDR form does not show any simulation datasets, even after clicking the Update button?

My Virtuoso version is ICADVM18.1 isr10.


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