Radix-8 New Svobota-Tung Divider with Carry Free Characteristic for Precsaling

doi:10.6180/jase.2008.11.2.10

淡江大學機構典藏 > 工學院 > 電機工程學系暨研究所 > 期刊論文 > Item 987654321/52829

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題名:	Radix-8 New Svobota-Tung Divider with Carry Free Characteristic for Precsaling
作者:	余繁;Ye, Fun;桂志顥;Kuei, Chih-hao;江正雄 ;Chiang, Jen-shiun
貢獻者:	淡江大學電機工程學系
關鍵詞:	New Svoboda-Tung Division;Floating-Point Division;Prescaling;Radix-8;Signed Digit Number System
日期:	2008-06-01
上傳時間:	2010-12-01 10:37:03 (UTC+8)
出版者:	臺北縣：淡江大學
摘要:	In recent years, computer applications have increased in the computational complexity. The speed requirement forces designers of general-purpose microprocessors to pay particular attention to implement the floating point unit (FPU). Anew floating-point division architecture that complies with the IEEE 754-1985 standard is proposed in this paper. This architecture is based on the New Svoboda-Tung (NST) division algorithm and radix-8MROR (maximally redundant optimally recoded) signed digit number system. In NST division, the dividend and divisor must be prescaled. For the divider implementation, a signed digit adder with carry free characteristic is proposed for addition and subtraction, and this adder can improve the cycle time significantly. A radix-8 MROR divider by TSMC 0.25 m technology is thus designed and simulated. The simulation results show that the performance, hardware cost, and power consumption of the proposed divider is competitive to the conventional SRT divider.
關聯:	淡江理工學刊=Tamkang journal of science and engineering 11(2)，頁185-194
DOI:	10.6180/jase.2008.11.2.10
顯示於類別:	[電機工程學系暨研究所] 期刊論文

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