Robust Buffered Clock Tree Synthesis by Sensitivity Based Link Insertion

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概要

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• Clock network synthesis is one of the most important and limiting factors in VLSI designs. Hence, the clock skew variation reduction is one of the most important objectives in clock distribution methodology. Cross-link insertion is proposed in [1], however, it is based on empirical methods and does not use variation information for link insertion location choice. [17] considers the delay variation, but it is slow even for small clock trees. In this paper, we propose a fast link insertion algorithm that considers the delay variation information directly during link selection process. Experimental results show that our algorithm is very fast and achieves better skew variability reduction while utilizing considerably lesser routing resources compared with existing methods.

著者

• YANG Joon-Sung

  Department of Semiconductor Systems Engineering, SungKyunKwan University

• CHANG Ik

  Department of Electronic and Radio Engineering, Kyunghee University

関連論文

• Robust Buffered Clock Tree Synthesis by Sensitivity Based Link Insertion

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