<technical report>
An Evaluation of Approximate Methods for Soft Error Tolerance Evaluation of Sequential Circuits

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Abstract ソフトエラー耐性を考慮した論理回路の設計ではソフトエラー耐性評価手法が必要となる.順序回路を対象とした評価手法の一つとして,マルコフモデルを用い状態遷移の振る舞いを厳密に解析するものが提案されているが,この手法は,大規模な回路に対しては現実的な時間で実行できないという問題がある.そのため,大規模な回路に対する評価には何らかの近似手法を用いる必要がある.本稿では,二つの近似評価手法について述べ,その...計算精度および実行時間の評価を行う.
Soft error tolerance evaluation method is necessary for the soft error aware logic design. An evaluation method with Markov model is one of soft error tolerance evaluation methods for sequential circuits. In this method, we analyze the behavior of the state transition strictly. This method has an issue that it is difficult to apply for large scale circuits, therefore it is necessary some kind of approximate evaluation method. In this paper, we evaluate calculation accuracy and execute time of two approximate methods.
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Peer-Reviewed
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Created Date 2009.12.26
Modified Date 2022.01.24

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