IPSJ Transactions on System LSI Design Methodology
Online ISSN : 1882-6687
Size Optimization Technique for Logic Circuits that Considers BTI and Process Variations
Michitarou YabuuchiKazutoshi Kobayashi
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Volume 9 (2016) Pages 72-78

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In this paper we outline a transistor size optimization technique for logic circuits that takes into account BTI (Bias Temperature Instability) and process variations. We demonstrate the accuracy of our results with statistical analysis. Since variations have a large impact on the scaling process, dependable circuit designs should include a quantitative analysis if they are to become more reliable in the future. In this study we used an algorithm to prove that with our technique we efficiently lowered the timing margin of the logic path by 4.4% below the margin achieved by conventional techniques. We also observed that the lifetime of the optimized circuits extended without any area overhead.

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© 2016 by the Information Processing Society of Japan
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