Synthesis for Manufacturability: A Sanity Check

  • Authors:
  • Alessandra Nardi;Alberto L. Sangiovanni-Vincentelli

  • Affiliations:
  • -;-

  • Venue:
  • Proceedings of the conference on Design, automation and test in Europe - Volume 2
  • Year:
  • 2004

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Abstract

As we move towards nanometer technology, manufacturing problems become overwhelmingly difficult to solve. Presently, optimization for manufacturability is performed at a post-synthesis stage and has been shown capable of reducing manufacturing cost up to 10%. As in other cases, raising the abstraction layer where optimization is applied is expected to yield substantial gains. This paper focuses on a new approach to design for manufacturability: logic synthesis for manufacturability. This methodology consists of replacing the traditional area-driven technology mapping with a new manufacturability-driven one. We leverage existing logic synthesis tools to test our method. The results obtained by using STMicroelectronics 0.13µm library confirm that this approach is a promising solution for designing circuits with lower manufacturing cost, while retaining performance. Finally, we show that our synthesis for manufacturability can achieve even larger cost reduction when yield-optimized cells are added to the library, thus enabling a wider area-yield tradeoff exploration.