Novel Register Sharing in Datapath for Structural Robustness against Delay Variation
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概要
- 論文の詳細を見る
As the feature size of VLSI becomes smaller, delay variations become a serious problem in VLSI. In this paper, we propose a novel class of robustness for a datapath against delay variations, which is named structural robustness against delay variation (SRV), and propose sufficient conditions for a datapath to have SRV. A resultant circuit designed under these conditions has a larger timing margin to delay variations than previous designs without sacrificing effective computation time. In addition, under any degree of delay variations, we can always find an available clock frequency for a datapath having SRV property to operate correctly, which could be a preferable characteristic in IP-based design.
著者
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INOUE Keisuke
School of Information Science, Japan Advanced Institute of Science and Technology
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KANEKO Mineo
School of Information Science, Japan Advanced Institute of Science and Technology
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IWAGAKI Tsuyoshi
School of Information Science, Japan Advanced Institute of Science and Technology
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