JP2009527060A5 - - Google Patents

Download PDF

Info

Publication number
JP2009527060A5
JP2009527060A5 JP2008555460A JP2008555460A JP2009527060A5 JP 2009527060 A5 JP2009527060 A5 JP 2009527060A5 JP 2008555460 A JP2008555460 A JP 2008555460A JP 2008555460 A JP2008555460 A JP 2008555460A JP 2009527060 A5 JP2009527060 A5 JP 2009527060A5
Authority
JP
Japan
Prior art keywords
signal processor
digital signal
multiplication
multiplier
product
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2008555460A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009527060A (ja
JP5074425B2 (ja
Filing date
Publication date
Priority claimed from US11/355,397 external-priority patent/US7809783B2/en
Priority claimed from US11/356,359 external-priority patent/US7797366B2/en
Application filed filed Critical
Priority claimed from PCT/US2007/062082 external-priority patent/WO2007095548A2/en
Publication of JP2009527060A publication Critical patent/JP2009527060A/ja
Publication of JP2009527060A5 publication Critical patent/JP2009527060A5/ja
Application granted granted Critical
Publication of JP5074425B2 publication Critical patent/JP5074425B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2008555460A 2006-02-15 2007-02-13 拡張された削減ツリー回路構成を有するブース乗算器 Expired - Fee Related JP5074425B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US11/355,397 2006-02-15
US11/356,359 2006-02-15
US11/355,397 US7809783B2 (en) 2006-02-15 2006-02-15 Booth multiplier with enhanced reduction tree circuitry
US11/356,359 US7797366B2 (en) 2006-02-15 2006-02-15 Power-efficient sign extension for booth multiplication methods and systems
PCT/US2007/062082 WO2007095548A2 (en) 2006-02-15 2007-02-13 A booth multiplier with enhanced reduction tree circuitry

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2011283978A Division JP2012104138A (ja) 2006-02-15 2011-12-26 拡張された削減ツリー回路構成を有するブース乗算器

Publications (3)

Publication Number Publication Date
JP2009527060A JP2009527060A (ja) 2009-07-23
JP2009527060A5 true JP2009527060A5 (https=) 2012-02-23
JP5074425B2 JP5074425B2 (ja) 2012-11-14

Family

ID=38283320

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2008555460A Expired - Fee Related JP5074425B2 (ja) 2006-02-15 2007-02-13 拡張された削減ツリー回路構成を有するブース乗算器
JP2011283978A Withdrawn JP2012104138A (ja) 2006-02-15 2011-12-26 拡張された削減ツリー回路構成を有するブース乗算器

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2011283978A Withdrawn JP2012104138A (ja) 2006-02-15 2011-12-26 拡張された削減ツリー回路構成を有するブース乗算器

Country Status (4)

Country Link
EP (1) EP1984810B1 (https=)
JP (2) JP5074425B2 (https=)
KR (1) KR101073343B1 (https=)
WO (1) WO2007095548A2 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7797366B2 (en) * 2006-02-15 2010-09-14 Qualcomm Incorporated Power-efficient sign extension for booth multiplication methods and systems
RU2653310C1 (ru) * 2017-05-24 2018-05-07 федеральное государственное бюджетное образовательное учреждение высшего образования "Воронежский государственный университет" (ФГБОУ ВО "ВГУ") Устройство для умножения числа по модулю на константу
CN112540743B (zh) * 2020-12-21 2024-05-07 清华大学 面向可重构处理器的有无符号乘累加器及方法
KR102924330B1 (ko) * 2023-12-21 2026-02-09 숙명여자대학교산학협력단 데이터 감소 인코딩이 적용된 부스 곱셈기
CN117555515B (zh) * 2024-01-11 2024-04-02 成都市晶蓉微电子有限公司 一种用于平衡性能与面积的数字asic串并结合乘法器

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183008A (en) 1958-05-12 1980-01-08 The United States Of America As Represented By The Secretary Of The Navy Noise making device
JPS62229439A (ja) * 1986-03-31 1987-10-08 Toshiba Corp 並列乗算器
JPH01116764A (ja) * 1987-10-29 1989-05-09 Ricoh Co Ltd 累積加算器
JP3033212B2 (ja) * 1991-01-31 2000-04-17 日本電気株式会社 乗算器
JPH0527948A (ja) * 1991-07-17 1993-02-05 Ricoh Co Ltd 演算装置
JPH06348455A (ja) * 1993-06-14 1994-12-22 Matsushita Electric Ind Co Ltd 乗算における丸め込み方法及び乗算回路
JPH1011267A (ja) * 1996-06-21 1998-01-16 Sharp Corp 乗算器
JP3678512B2 (ja) * 1996-08-29 2005-08-03 富士通株式会社 乗算回路、該乗算回路を構成する加算回路、該乗算回路の部分積ビット圧縮方法、および、該乗算回路を適用した大規模半導体集積回路
EP0840207A1 (en) * 1996-10-30 1998-05-06 Texas Instruments Incorporated A microprocessor and method of operation thereof
JPH10133856A (ja) * 1996-10-31 1998-05-22 Nec Corp 丸め機能付き乗算方法及び乗算器
JPH10333885A (ja) * 1997-05-30 1998-12-18 Sony Corp 乗算回路
JPH11134175A (ja) * 1997-10-29 1999-05-21 Toshiba Corp 乗加減算器及び演算器
US6463453B1 (en) 1998-01-12 2002-10-08 Motorola, Inc. Low power pipelined multiply/accumulator with modified booth's recoder
US6157939A (en) * 1998-06-04 2000-12-05 Integrated Device Technology, Inc. Methods and apparatus for generating multiplicative inverse product
DE69832985T2 (de) * 1998-10-06 2006-08-17 Texas Instruments Inc., Dallas Multiplizier-Akkumulatorschaltungen
JP2002157114A (ja) * 2000-11-20 2002-05-31 Hitachi Ltd 乗算器及びそれを搭載した集積回路装置
US7797366B2 (en) * 2006-02-15 2010-09-14 Qualcomm Incorporated Power-efficient sign extension for booth multiplication methods and systems

Similar Documents

Publication Publication Date Title
JP2011222024A5 (https=)
TWI351640B (en) Exponent processing systems and related methods
EP2435904B1 (en) Integer multiply and multiply-add operations with saturation
JP2009527060A5 (https=)
CN103942028A (zh) 应用在密码技术中的大整数乘法运算方法及装置
CN1114999C (zh) 测定用在里德-索洛蒙译码器中的误差定位子多项式的装置
JPH0368416B2 (https=)
US8229991B2 (en) Processor core and multiplier that support a multiply and difference operation by inverting sign bits in booth recoding
TWI847252B (zh) 用於將輸入集相乘之硬體電路及方法,以及非暫時性機器可讀儲存裝置
JP2722858B2 (ja) 開平演算装置
EP1984810B1 (en) A booth multiplier with enhanced reduction tree circuitry
Teja Design of radix-8 booth multiplier using koggestone adder for high speed Arithmetic applications
US8234326B2 (en) Processor core and multiplier that support both vector and single value multiplication
Bharghava Ram Dinesh et al. Design and implementation of high speed 32-bit mac unit
CN111258542B (zh) 乘法器、数据处理方法、芯片及电子设备
Kareem et al. VLSI Implementation of High Speed-Low Power-Area Efficient Multiplier Using Modified Vedic Mathematical Techniques
Kandimalla Rajaneesh A Novel High Performance Implementation of 64 Bit MAC Units and Their Delay Comparison
JP2551037B2 (ja) 逆数演算回路
US8468193B2 (en) Binary number multiplying method and circuit
Verma et al. Design of IEEE 754 Floating-Point Multiplier by Vedic Sutra's Application
JP3198868B2 (ja) 乗算処理装置
JP3461252B2 (ja) 乗算方法
TW200527277A (en) Accumulatively adding device and method
Prakash et al. Design and Implementation of Signed, Rounded and Truncated Multipliers using Modified Booth Algorithm for Dsp Systems.
JPH0231226A (ja) 浮動小数点乗算回路