Fast and accurate parasitic capacitance models for layout-aware

  • Authors:
  • Anuradha Agarwal;Hemanth Sampath;Veena Yelamanchili;Ranga Vemuri

  • Affiliations:
  • University of Cincinnati, Cincinnati, OH;University of Cincinnati, Cincinnati, OH;University of Cincinnati, Cincinnati, OH;University of Cincinnati, Cincinnati, OH

  • Venue:
  • Proceedings of the 41st annual Design Automation Conference
  • Year:
  • 2004

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Abstract

Considering layout effects early in the analog design process is becoming increasingly important. We propose techniques for estimating parasitic capacitances based on look-up tables and multi-variate linear interpolation. These models enable fast and accurate estimation of parasitic capacitances and are very suitable for use in a synthesis flow. A layout aware methodology for synthesis of analog CMOS circuits using these parasitic models is presented. Results indicate that the proposed synthesis system is fast as compared to a layout-inclusive synthesis approach.