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Robust wiring networks for DfY considering timing constraints

Published: 11 March 2007 Publication History

Abstract

In nanometer technologies the importance of opens as yield detractors considerably increases. This requires to reconsider traditional tree based routing approaches for signal wiring. We propose a Greedy Minimum Routing Tree Augmentation (GMRTA) algorithm that shows significantly better results than previous approaches. The algorithm adds links to routing trees, thus increases its robustness against open defects. By exploiting that edges in multiple loops can be removed the augmentation efficiency is further improved. As a special feature, our algorithm keeps timing constraints which have not been considered by previous GMRTA algorithms.

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      cover image ACM Conferences
      GLSVLSI '07: Proceedings of the 17th ACM Great Lakes symposium on VLSI
      March 2007
      626 pages
      ISBN:9781595936059
      DOI:10.1145/1228784
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      Published: 11 March 2007

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      Author Tags

      1. design for yield
      2. open defects
      3. redundant wiring
      4. timing constraint aware

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      GLSVLSI07: Great Lakes Symposium on VLSI 2007
      March 11 - 13, 2007
      Stresa-Lago Maggiore, Italy

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