Static noise analysis for digital integrated circuits in partially-depleted silicon-on-insulator technology

  • Authors:
  • Kenneth L. Shepard;Dae-Jin Kim

  • Affiliations:
  • Columbia Integrated Systems Lab, Columbia University, New York, NY;Columbia Integrated Systems Lab, Columbia University, New York, NY

  • Venue:
  • Proceedings of the 37th Annual Design Automation Conference
  • Year:
  • 2000

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Abstract

In this paper, we extend transistor-level static noise analysis tools to consider the unique features of partially-depleted silicon-on-insulator (PD-SOI) technology: floating-body-induced threshold voltage variations and parasitic bipolar leakage currents. This involves a unique state-diagram abstraction of the device physics determining the body-potential of PD-SOI FETs. Based on this picture, a simple model of the body voltage is derived which takes into account modest knowledge of which nets have dependable, regular switching activity. Results are presented using a commericial static noise analysis tool incorporating these extensions.