Modulo 2n ± 1 Adder Design Using Select-Prefix Blocks

  • Authors:
  • Costas Efstathiou;Haridimos T. Vergos;Dimitris Nikolos

  • Affiliations:
  • -;-;-

  • Venue:
  • IEEE Transactions on Computers
  • Year:
  • 2003

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Abstract

In this paper, we present new design methods for modulo 2n卤 1 adders. We use the same select-prefix addition block for both modulo 2n - 1 and diminished-one modulo 2^n+1 adder design. VLSI implementations of the proposed adders in static CMOS show that they achieve an attractive combination of speed and area costs.