Compatible cell connections for multifamily dynamic logic gates

  • Authors:
  • Rolando Ramírez Ortiz;John P. Knight

  • Affiliations:
  • Department of Electronics, Carleton University, Ottawa, ON Canada;Department of Electronics, Carleton University, Ottawa, ON Canada

  • Venue:
  • IEEE Transactions on Very Large Scale Integration (VLSI) Systems
  • Year:
  • 2002

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Abstract

Dynamic Logic is an alternative way of making logic circuit cells and numerous techniques have been developed to take advantage of its unique characteristics. Particularly, techniques such as the true-single-phase-clock (TSPC) have been used very successfully for fast and low-power applications. However one cannot synthesize dynamic logic gates with the same ease as static gates. One reason is there are no simple rules to connect the many circuit types of dynamic gates to static gates. This paper addresses the problem of finding connection rules for a given set of gate types. The fundamental cell circuit types for dynamic logic gates are analyzed first together with static logic gates. A common set of principles of operation and connections are then identified and later applied to discover which are the feasible connections between cell circuit types identified.