The second generation motis mixed-mode simulator

  • Authors:
  • C. F. Chen;C-Y Lo;H. N. Nham;Prasad Subramaniam

  • Affiliations:
  • AT&T Bell Laboratories, Murray Hill, New Jersey;AT&T Bell Laboratories, Murray Hill, New Jersey;AT&T Bell Laboratories, Murray Hill, New Jersey;AT&T Bell Laboratories, Murray Hill, New Jersey

  • Venue:
  • DAC '84 Proceedings of the 21st Design Automation Conference
  • Year:
  • 1984

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Abstract

This paper describes the second generation MOTIS mixed-mode simulator. In particular, it extends the current modeling capabilities to include resistors, floating capacitors, and bidirectional transmission gates. It employs a relaxation algorithm with local time-step control for timing simulation, and a switch level approach for unit delay simulation. It provides logic and timing verification for general MOS circuits in a mixed-mode environment. The new simulator is being used for production chips, and it is more accurate, flexible, and efficient than the existing MOTIS mixed-mode simulator.