Semiconductors, Engineering, Hardware, Design, Hardware Design.
assertion would fail if signal “a” is asserted high and in the same clock cycle, signal “b” is also changed from to 1 to 0 (not stable). 8. $past: Syntax: $past (signal_name) $past (signal_name, number of clock cycles) Property past_p checks when signal “a” asserts high, it checks signal “b” was