Interfacing Between CAD Tools

  • Pran Kurup
  • Taher Abbasi


For almost every phase of the design cycle there are different CAD tools available. Schematic capture, simulation, synthesis, verification, PLD optimization, datapath synthesis, test synthesis, floor planning and layout tools are all required to work together in a seamless fashion to achieve maximum productivity. The CAD Framework Initiative (CFI) was primarily undertaken to improve tool inter-operability and establish certain standards. Current widely accepted standards such as EDIF for netlists and schematics (not to mention the different available flavors of EDIF), the Standard Delay Format (SDF) for back annotated delays and the Phyiscal Data Exchange Format (PDEF) for physical cluster information are examples of existing de facto standards.


Cell Delay Logic Synthesis Greatest Common Divisor Technology Library Interconnect Delay 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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  1. 1.
    Synopsys EDIF Interface User GuideGoogle Scholar
  2. 2.
    Synopsys “Impact” Quarterly newsletter Q&A sectionGoogle Scholar

Copyright information

© Kluwer Academic Publishers 1997

Authors and Affiliations

  • Pran Kurup
    • 1
  • Taher Abbasi
    • 2
  1. 1.Cirrus Logic, IncUSA
  2. 2.Synopsys, IncUSA

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