The variability doesn't come from the process only but also EDA tools because some layout effects are too complicated to model. Moreover, the variability requires wide range of design margin which seriously hurt the production cost.
I have noticed that what happens in the foundry influence a lot. I would have liked this to come from the foundry consortium. There are many things that go wrong when a chip enters a foundry that modeling could just be a waste of time.
For this service to make sense you must be tied very closely to the foundry. There has been number of companies like PDF Solutions that have been offering yield enhancement service for years. What is different about GSS? Kris
NASA's Orion Flight Software Production Systems Manager Darrel G. Raines joins Planet Analog Editor Steve Taranovich and Embedded.com Editor Max Maxfield to talk about embedded flight software used in Orion Spacecraft, part of NASA's Mars mission. Live radio show and live chat. Get your questions ready.
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