Full-chip verification methods for DSM power distribution systems

  • Authors:
  • Gregory Steele;David Overhauser;Steffen Rochel;Syed Zakir Hussain

  • Affiliations:
  • Simplex Solutions, Inc.;Simplex Solutions, Inc.;Simplex Solutions, Inc.;Simplex Solutions, Inc.

  • Venue:
  • DAC '98 Proceedings of the 35th annual Design Automation Conference
  • Year:
  • 1998

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Abstract

Power distribution verification is rapidly becoming a necessary step in deep submicron (DSM) design of high performance integrated circuits. With the increased load and reduced tolerances of DSM circuits, more failures are being seen due to poorly designed power distribution systems. This paper describes an efficient approach for the verification of power distribution at the full-chip transistor level based on a combination of hierarchical static and dynamic techniques. Application of the methodology on practical design examples will be provided. We will also demonstrate the necessity of an analysis at the full-chip transistor level to verify the complex interactions between different design blocks based on static and dynamic effects.