Automated Synchronous-to-Asynchronous Circuits Conversion: A Survey

  • Authors:
  • Martin Simlastik;Viera Stopjakova

  • Affiliations:
  • Department of Microelectronics, Slovak University of Technology, Bratislava, Slovakia 812 19;Department of Microelectronics, Slovak University of Technology, Bratislava, Slovakia 812 19

  • Venue:
  • Integrated Circuit and System Design. Power and Timing Modeling, Optimization and Simulation
  • Year:
  • 2009

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Abstract

Automated synchronous-to-asynchronous circuit conversion can be considered as one area of clockless design style, which is becoming more and more interesting for synchronous designers with lack of knowledge and experience in the real asynchronous circuit design. Another reason why it is becoming so interesting is that the languages and design styles for specification of asynchronous circuits require a learning curve to understand, become proficient with them, and to use them effectively. Hence, numerous approaches for automated conversion of synchronous circuits into their asynchronous counterparts have been proposed in recent years. The main reason is the exploitation of the often claimed advantages of asynchronous circuits, especially their lower power consumption. This paper surveys some of the available well-known synchronous-to-asynchronous conversion techniques and tries to present both their positive and negative properties.