Gets better max power estimate than atpg for 24 out

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Unformatted text preview: ds – Unit Delay Model Methods December 9, 2013 Analog and Low-Power Design Lecture 6 (c) 200 20 ATPG vs. Gradient vs. Simulation ATPG Methods – Fanout Delay Model Methods December 9, 2013 Analog and Low-Power Design Lecture 6 (c) 200 21 CPU Time Comparisons for Unit CPU Delay Model Circuits Delay December 9, 2013 Analog and Low-Power Design Lecture 6 (c) 200 22 CPU Time Comparisons for CPU Fanout Delay Model Circuits Fanout December 9, 2013 Analog and Low-Power Design Lecture 6 (c) 200 23 Comparison of Estimators • Gradient optimization approach advantages: 1. 2. 3. Tighter lower bound for maximum power Much faster than simulation Can use complex gate delay models that ATPG Can methods cannot use methods 4. Gets better max. power estimate than ATPG for 24 out Gets of 40 circuits of • Disadvantages: 1. Slower than ATPG approach December 9, 2013 An...
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