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An Enhanced VLSI Implementation of 64x64 Baugh WOOLEY Multiplier

S. Srikanth, L. Jai Ganesh, K. Kaartheeswaran, V.  Karthick

Abstract


This project presents AN economical implementation of a high speed number victimisation the shift and adds technique of Baugh-Wooley number. This parallel number use lesser adders and lesser reiterative steps. In this we tend to designed for 64x64 bit Baugh Wooley number. As a results of that they occupy lesser house as compared to the serial number. This can be vital criteria as a result of within the fabrication of chips and high performance system needs parts that area unit as tiny as attainable. Experimental result demonstrate that the planned circuit  not solely improves the correct performance however additionally reduces the hardware complexness and additionally less power consumption that's dynamic power of fifteen.3mW and most clock amount of three.912ns is needed that is extremely economical as compared to the reference paper[2]. This paper presents the planning and implementation of signed-unsigned changed Booth cryptography (SUMBE) number. This changed Booth cryptography (MBE) number and therefore the Baugh-Wooley number perform multiplication operation on signed numbers solely. The array number and Braun array multipliers perform multiplication operation on unsigned numbers solely. Thus, the need of the trendy system may be a dedicated and extremely high speed distinctive number unit for signed and unsigned numbers. Therefore, this paper presents the planning and implementation of SUMBE number. The changed Booth Encoder circuit generates 0.5 the partial product in parallel [5]. By extending sign little bit of the operands and generating an extra partial product the SUMBE number is obtained. The Carry Save Adderr (CSA) tree and therefore the final Carry Lookahead (CLA) adder won’t to speed up the number operation. Since signed and unsigned multiplication operation is performed by a similar number unit the desired hardware and therefore the chip space reduces and this successively reduces power dissipation and value of a system


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References


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