Generalised CMOS—a technology independent CMOS IC design style

  • Authors:

  • Neil Bergmann

  • Affiliations:

  • Department of Computer Science, University of Edinburgh, The King's Buildings, Mayfield Road, Edinburgh, EH9 3JZ, Scotland

  • Venue:
  • DAC '85 Proceedings of the 22nd ACM/IEEE Design Automation Conference
  • Year:
  • 1985

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Abstract

A new and novel CMOS IC design methodology is presented which allows a single design representation, captured at the symbolic level, to be implemented in different classes of CMOS fabrication technologies such as N-well, P-well, Twin-well and SOI. Extensive use is made of CAD tools to achieve automatic conversion from the technology independent representation into process specific mask sets, and some of the algorithms used in these tools are outlined in the paper.Such a design methodology is considered to be a significant aid in increasing the attractiveness of CMOS as a system implementation medium.Ideas presented cover conference topics 2 (CAD); 5 (IC Layout) and 8 (Design, Synthesis).