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WARNING (LIB-449): The measured transition might be inaccurate because a rebound at voltage 0.36v (30%VDD) was detected on the transition of port 'VSSL' for cell: 'NBD45IOVREF', pin: 'VSSL', related_pin: 'B_LEN_HV', when: '', type: 'combinational', table: 'rise_transition'. The program will use the last crossing to determine the transition time. Save and review the delay_36 simulation decks (see extsim_deck_dir, extsim_save_passed, extsim_save_failed), adjust the slew measurement thresholds (see measure_slew_*), or modify the design and rerun.
各位大佬使用liberate抽取时序出现这个问题,是什么原因?
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