A Power Minimization Technique for Arithmetic Circuits by Cell Selection

  • Authors:
  • Masanori Muroyama;Akihiko Hyodo;Hiroto Yasuura;Tohru Ishihara

  • Affiliations:
  • Department of Computer Science and Communication Engineering, Graduate School of Information Science and Electrical Engineering Kyushu University;Department of Computer Science and Communication Engineering, Graduate School of Information Science and Electrical Engineering Kyushu University;Department of Computer Science and Communication Engineering, Graduate School of Information Science and Electrical Engineering Kyushu University;VLSI Design and Education Center(VDEC) University of Tokyo

  • Venue:
  • ASP-DAC '02 Proceedings of the 2002 Asia and South Pacific Design Automation Conference
  • Year:
  • 2002

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Abstract

1bit full adders and counters are usually used as basic cells in the arithmetic circuits. Characteristics of these components have strong impact on power, delay, and area of the arithmetic circuits. In this paper we propose a design method for low power arithmetic circuits, which the designer selects basic cells from a set of circuits with different structures(symmetrical one and asymmetrical one) by the method and the mothod optimizes connections to the terminals of the basic cells. Experimental results demonstrate 32.1% power reduction of a parallel multiplier designed by the proposed technique.