11. A microprocessor in a 0.25 μm process was observed to have an average D2D variation of 8.99 % and WID variation of 3% on several critical paths [Bowman02]. If the nominal clock period is T without considering variations and the chip has 1000 nearly critical paths, what clock period should be used to ensure a parametric yield of 99.9 %? Neglect clock skew.

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11.
A microprocessor in a 0.25 μm process was observed to have an average D2D
variation of 8.99 % and WID variation of 3% on several critical paths [Bowman02]. If the
nominal clock period is T without considering variations and the chip has 1000 nearly critical
paths, what clock period should be used to ensure a parametric yield of 99.9 %? Neglect clock
skew.
Transcribed Image Text:11. A microprocessor in a 0.25 μm process was observed to have an average D2D variation of 8.99 % and WID variation of 3% on several critical paths [Bowman02]. If the nominal clock period is T without considering variations and the chip has 1000 nearly critical paths, what clock period should be used to ensure a parametric yield of 99.9 %? Neglect clock skew.
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