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In PrimeTime, the arrival times for all pins are stored with attribute called arrival_window.
By default, the arrival times are only saved at path endpoints (D pin of the FF and Output ports) to save the memory consumption and run time .
To save this data on all pins before starting STA through PT set the below variable. set the timing_save_pin_arrival_and_slack variable to true.
After update_timing , you can get any pin arrival times using below command.
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