JP2672956B2 - 並列乗算器 - Google Patents
並列乗算器Info
- Publication number
- JP2672956B2 JP2672956B2 JP63014184A JP1418488A JP2672956B2 JP 2672956 B2 JP2672956 B2 JP 2672956B2 JP 63014184 A JP63014184 A JP 63014184A JP 1418488 A JP1418488 A JP 1418488A JP 2672956 B2 JP2672956 B2 JP 2672956B2
- Authority
- JP
- Japan
- Prior art keywords
- unit
- multiplier
- control signal
- product
- row
- 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.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/52—Multiplying; Dividing
- G06F7/523—Multiplying only
- G06F7/53—Multiplying only in parallel-parallel fashion, i.e. both operands being entered in parallel
- G06F7/5306—Multiplying only in parallel-parallel fashion, i.e. both operands being entered in parallel with row wise addition of partial products
- G06F7/5312—Multiplying only in parallel-parallel fashion, i.e. both operands being entered in parallel with row wise addition of partial products using carry save adders
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/76—Arrangements for rearranging, permuting or selecting data according to predetermined rules, independently of the content of the data
- G06F7/762—Arrangements for rearranging, permuting or selecting data according to predetermined rules, independently of the content of the data having at least two separately controlled rearrangement levels, e.g. multistage interconnection networks
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Complex Calculations (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63014184A JP2672956B2 (ja) | 1988-01-25 | 1988-01-25 | 並列乗算器 |
US07/300,492 US4982355A (en) | 1988-01-25 | 1989-01-20 | Low-power parallel multiplier |
DE3901995A DE3901995A1 (de) | 1988-01-25 | 1989-01-24 | Parallelmultiplizierer |
US07/579,343 US5010510A (en) | 1988-01-25 | 1990-09-07 | Multiplying unit circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63014184A JP2672956B2 (ja) | 1988-01-25 | 1988-01-25 | 並列乗算器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01189724A JPH01189724A (ja) | 1989-07-28 |
JP2672956B2 true JP2672956B2 (ja) | 1997-11-05 |
Family
ID=11854044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63014184A Expired - Lifetime JP2672956B2 (ja) | 1988-01-25 | 1988-01-25 | 並列乗算器 |
Country Status (3)
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5200912A (en) * | 1991-11-19 | 1993-04-06 | Advanced Micro Devices, Inc. | Apparatus for providing power to selected portions of a multiplying device |
JP2862723B2 (ja) * | 1992-03-16 | 1999-03-03 | 沖電気工業株式会社 | ディジタル信号処理装置 |
EP0564752B1 (en) * | 1992-04-10 | 1996-07-24 | STMicroelectronics S.r.l. | A diagonal propagation digital multiplier |
US5333119A (en) * | 1992-09-30 | 1994-07-26 | Regents Of The University Of Minnesota | Digital signal processor with delayed-evaluation array multipliers and low-power memory addressing |
JP3276444B2 (ja) * | 1993-03-22 | 2002-04-22 | 三菱電機株式会社 | 除算回路 |
US5283755A (en) * | 1993-04-14 | 1994-02-01 | International Business Machines Corporation | Multiplier employing carry select or carry look-ahead adders in hierarchical tree configuration |
US5457646A (en) * | 1993-10-12 | 1995-10-10 | Industrial Technology Research Institute | Partial carry-save pipeline multiplier |
DE4432425A1 (de) * | 1994-03-21 | 1995-09-28 | Siemens Ag | Multiplizierer in Carry-Ripple-Technik |
DE4432432A1 (de) * | 1994-09-12 | 1996-03-14 | Siemens Ag | Multiplizierer in Carry-Save-Technik |
JP3427275B2 (ja) * | 1994-06-15 | 2003-07-14 | 三菱電機株式会社 | 乗算器 |
US5787029A (en) * | 1994-12-19 | 1998-07-28 | Crystal Semiconductor Corp. | Ultra low power multiplier |
US5818743A (en) * | 1995-04-21 | 1998-10-06 | Texas Instruments Incorporated | Low power multiplier |
DE19521092C1 (de) * | 1995-06-09 | 1996-07-25 | Siemens Ag | Schaltungsanordnung zur Realisierung einer binären Multipliziererzelle |
US5729485A (en) * | 1995-09-11 | 1998-03-17 | Digital Equipment Corporation | Fast determination of carry inputs from lower order product for radix-8 odd/even multiplier array |
US5923273A (en) * | 1996-11-18 | 1999-07-13 | Crystal Semiconductor Corporation | Reduced power FIR filter |
US5974437A (en) * | 1996-12-02 | 1999-10-26 | Synopsys, Inc. | Fast array multiplier |
JPH10320378A (ja) * | 1997-05-19 | 1998-12-04 | Mitsubishi Electric Corp | 演算装置 |
US6604120B1 (en) * | 1997-09-04 | 2003-08-05 | Cirrus Logic, Inc. | Multiplier power saving design |
US5914892A (en) * | 1997-11-04 | 1999-06-22 | Taiwan Semiconductor Manufacturing Co., Ltd | Structure and method of array multiplication |
US6215325B1 (en) | 1999-03-29 | 2001-04-10 | Synopsys, Inc. | Implementing a priority function using ripple chain logic |
US6963889B1 (en) | 2000-02-24 | 2005-11-08 | Intel Corporation | Wave digital filter with low power consumption |
SG118136A1 (en) * | 2002-05-22 | 2006-01-27 | Sylvester Chang Joseph | A digital multiplier with reduced spurious switching by means of latch adders |
US7546331B2 (en) * | 2005-03-17 | 2009-06-09 | Qualcomm Incorporated | Low power array multiplier |
US9787290B2 (en) * | 2015-05-20 | 2017-10-10 | Altera Corporation | Resource-saving circuit structures for deeply pipelined systolic finite impulse response filters |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3900724A (en) * | 1974-02-11 | 1975-08-19 | Trw Inc | Asynchronous binary multiplier using non-threshold logic |
US4302819A (en) * | 1979-10-22 | 1981-11-24 | Hewlett-Packard Company | Fault tolerant monolithic multiplier |
US4409665A (en) * | 1979-12-26 | 1983-10-11 | Texas Instruments Incorporated | Turn-off-processor between keystrokes |
JPS5731042A (en) * | 1980-07-31 | 1982-02-19 | Toshiba Corp | Multiplaying and dividing circuits |
JPS5731043A (en) * | 1980-07-31 | 1982-02-19 | Toshiba Corp | Semiconductor operating circuit |
US4369500A (en) * | 1980-10-20 | 1983-01-18 | Motorola Inc. | High speed NXM bit digital, repeated addition type multiplying circuit |
JPS5949640A (ja) * | 1982-09-16 | 1984-03-22 | Toshiba Corp | 乗算回路 |
FR2540261A1 (fr) * | 1983-01-28 | 1984-08-03 | Labo Cent Telecommunicat | Multiplieur parallele en circuit integre mos du type pipe-line |
JPS6045842A (ja) * | 1983-08-23 | 1985-03-12 | Matsushita Electric Ind Co Ltd | 乗算回路 |
US4748583A (en) * | 1984-09-17 | 1988-05-31 | Siemens Aktiengesellschaft | Cell-structured digital multiplier of semi-systolic construction |
US4736335A (en) * | 1984-11-13 | 1988-04-05 | Zoran Corporation | Multiplier-accumulator circuit using latched sums and carries |
US4887233A (en) * | 1986-03-31 | 1989-12-12 | American Telephone And Telegraph Company, At&T Bell Laboratories | Pipeline arithmetic adder and multiplier |
-
1988
- 1988-01-25 JP JP63014184A patent/JP2672956B2/ja not_active Expired - Lifetime
-
1989
- 1989-01-20 US US07/300,492 patent/US4982355A/en not_active Expired - Lifetime
- 1989-01-24 DE DE3901995A patent/DE3901995A1/de active Granted
-
1990
- 1990-09-07 US US07/579,343 patent/US5010510A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3901995C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-05-27 |
US5010510A (en) | 1991-04-23 |
JPH01189724A (ja) | 1989-07-28 |
DE3901995A1 (de) | 1989-08-03 |
US4982355A (en) | 1991-01-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080711 Year of fee payment: 11 |
|
EXPY | Cancellation because of completion of term | ||
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080711 Year of fee payment: 11 |