Known Unknowns and Unknown Unknowns

Known Unknowns and Unknown Unknowns
by Paul McLellan on 12-11-2013 at 3:18 pm

Donald Rumsfeld categorized what we knew into known unknowns and unknown unknowns. In a chip design, those unknown unknowns can bite you and leave you with a non-functional design, perhaps even intermittent failures which can be among the hardest problems to debug.

Chips are too big to do any sort of full gate-level simulation,… Read More