Proposed low power, high speed adder-based 65-nm Square root circuit

  • Authors:
  • C. Senthilpari;Zuraida Irina Mohamad;S. Kavitha

  • Affiliations:
  • Faculty of Engineering and Technology, Multimedia University, Jalan Ayer Keroh lama, 75450 Melaka, Malaysia;Faculty of Engineering and Technology, Multimedia University, Jalan Ayer Keroh lama, 75450 Melaka, Malaysia;Faculty of Information and Communication Technology, Universiti Teknikal Malaysia Melaka (UTeM), Karung Berkunci No. 1752, Pejabat Pos Durian Tunggal, Durian Tunggal, 76109 Melaka, Malaysia

  • Venue:
  • Microelectronics Journal
  • Year:
  • 2011

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Abstract

This paper focuses on the design of a 1-bit full adder circuit using Shannon's theorem and adder-based non-Restoring and Restoring Square Rooter circuits. The proposed adder and Square Rooter schematics were developed using DSCH2 CAD tool, and their layouts were generated with Microwind 3 VLSI CAD tool. The Square Rooter circuits were analysed using standard CMOS 65-nm features with a corresponding voltage of 0.7V. BSIM 4 was used to analyse the parameters. The proposed adder-based Square Rooter simulated results of the proposed adder with those of CPL, Static Energy Recovery Full (SERF), and CMOS adder cell-based Square Rooter circuits; the proposed adder-based Square Rooter circuit gives better results than the other adder-based Square Rooter circuits. We then compared the results with published results and observed that the proposed adder cell-based Square Rooter circuit dissipates lower power, responds faster, and has a higher EPI and higher throughput.