{"title":"n /spl times/ n carry-save multipliers without final addition","authors":"P. Montuschi, L. Ciminiera","doi":"10.1109/ARITH.1993.378109","DOIUrl":null,"url":null,"abstract":"Carry-save multipliers require an adder at the last step to convert the carry-sum representation of the most significant half of the result into an irredundant form. A multiplication scheme where by this conversion is performed with a circuit operating in parallel with the carry-save array is presented. The resulting implementation, when a radix-2 adder array is used, produces a result on 2n bits with a delay comparable to that of the multiplier proposed by M.D. Ercegovac and T. Lang (1990). When a radix-4 array is used, the proposed unit is almost twice as fast as units proposed previously.<<ETX>>","PeriodicalId":414758,"journal":{"name":"Proceedings of IEEE 11th Symposium on Computer Arithmetic","volume":"64 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of IEEE 11th Symposium on Computer Arithmetic","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ARITH.1993.378109","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
Carry-save multipliers require an adder at the last step to convert the carry-sum representation of the most significant half of the result into an irredundant form. A multiplication scheme where by this conversion is performed with a circuit operating in parallel with the carry-save array is presented. The resulting implementation, when a radix-2 adder array is used, produces a result on 2n bits with a delay comparable to that of the multiplier proposed by M.D. Ercegovac and T. Lang (1990). When a radix-4 array is used, the proposed unit is almost twice as fast as units proposed previously.<>
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