JP2009527060A5 - - Google Patents
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- 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
Links
- 238000000034 method Methods 0.000 claims description 11
- 230000000295 complement effect Effects 0.000 claims 7
- 238000009825 accumulation Methods 0.000 claims 4
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
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| JP2011283978A Withdrawn JP2012104138A (ja) | 2006-02-15 | 2011-12-26 | 拡張された削減ツリー回路構成を有するブース乗算器 |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| JP2011283978A Withdrawn JP2012104138A (ja) | 2006-02-15 | 2011-12-26 | 拡張された削減ツリー回路構成を有するブース乗算器 |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)
| 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)
| 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 |
-
2007
- 2007-02-13 JP JP2008555460A patent/JP5074425B2/ja not_active Expired - Fee Related
- 2007-02-13 KR KR1020087021912A patent/KR101073343B1/ko not_active Expired - Fee Related
- 2007-02-13 WO PCT/US2007/062082 patent/WO2007095548A2/en not_active Ceased
- 2007-02-13 EP EP07756940.8A patent/EP1984810B1/en not_active Not-in-force
-
2011
- 2011-12-26 JP JP2011283978A patent/JP2012104138A/ja not_active Withdrawn
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