ES443696A1 - Perfeccionamientos en multiplicadores seriales digitales. - Google Patents
Perfeccionamientos en multiplicadores seriales digitales.Info
- Publication number
- ES443696A1 ES443696A1 ES443696A ES443696A ES443696A1 ES 443696 A1 ES443696 A1 ES 443696A1 ES 443696 A ES443696 A ES 443696A ES 443696 A ES443696 A ES 443696A ES 443696 A1 ES443696 A1 ES 443696A1
- Authority
- ES
- Spain
- Prior art keywords
- complement
- pipeline multiplier
- invention includes
- present
- sign
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F7/525—Multiplying only in serial-serial fashion, i.e. both operands being entered serially
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
- G06F2207/3804—Details
- G06F2207/386—Special constructional features
- G06F2207/3884—Pipelining
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Complex Calculations (AREA)
- Advance Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/534,765 US3956622A (en) | 1974-12-20 | 1974-12-20 | Two's complement pipeline multiplier |
Publications (1)
Publication Number | Publication Date |
---|---|
ES443696A1 true ES443696A1 (es) | 1977-05-01 |
Family
ID=24131447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES443696A Expired ES443696A1 (es) | 1974-12-20 | 1975-12-19 | Perfeccionamientos en multiplicadores seriales digitales. |
Country Status (10)
Country | Link |
---|---|
US (1) | US3956622A (es) |
JP (1) | JPS5186332A (es) |
BE (1) | BE836630A (es) |
DE (1) | DE2557436A1 (es) |
ES (1) | ES443696A1 (es) |
FR (1) | FR2295482A1 (es) |
GB (1) | GB1523750A (es) |
IT (1) | IT1051542B (es) |
NL (1) | NL7514646A (es) |
SE (1) | SE7514079L (es) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2301870A1 (fr) * | 1975-02-19 | 1976-09-17 | Majos Jacques | Circuit multiplicateur a fort debit numerique notamment pour filtre numerique |
US4086657A (en) * | 1976-08-18 | 1978-04-25 | The United States Of America As Represented By The Secretary Of The Air Force | Five-stage four-bit complex multiplier |
US4736333A (en) * | 1983-08-15 | 1988-04-05 | California Institute Of Technology | Electronic musical instrument |
US4750144A (en) * | 1985-12-31 | 1988-06-07 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Real time pipelined system for forming the sum of products in the processing of video data |
US4791600A (en) * | 1986-07-28 | 1988-12-13 | Tektronix, Inc. | Digital pipelined heterodyne circuit |
US4796219A (en) * | 1987-06-01 | 1989-01-03 | Motorola, Inc. | Serial two's complement multiplier |
FR2621144B1 (fr) * | 1987-09-25 | 1989-12-29 | Labo Electronique Physique | Multiplieur pipeline serie |
GB2226899A (en) * | 1989-01-06 | 1990-07-11 | Philips Electronic Associated | An electronic circuit and signal processing arrangements using it |
KR920003494B1 (ko) * | 1989-06-20 | 1992-05-01 | 삼성전자 주식회사 | 디지탈 신호처리 시스템에서의 실시간 2's 콤플리멘트코드 숫자의 승산방법 및 회로 |
FR2705475B1 (fr) * | 1993-05-19 | 1995-07-28 | France Telecom | Multiplieur exempt de débordement interne, notamment multiplieur bit-série, et procédé pour empêcher un débordement interne d'un multiplieur. |
US5764558A (en) * | 1995-08-25 | 1998-06-09 | International Business Machines Corporation | Method and system for efficiently multiplying signed and unsigned variable width operands |
DE102007056104A1 (de) * | 2007-11-15 | 2009-05-20 | Texas Instruments Deutschland Gmbh | Verfahren und Vorrichtung zur Multiplikation von Binäroperanden |
US9459832B2 (en) | 2014-06-12 | 2016-10-04 | Bank Of America Corporation | Pipelined multiply-scan circuit |
US11467805B1 (en) | 2020-07-10 | 2022-10-11 | Ali Tasdighi Far | Digital approximate multipliers for machine learning and artificial intelligence applications |
US11416218B1 (en) | 2020-07-10 | 2022-08-16 | Ali Tasdighi Far | Digital approximate squarer for machine learning |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3582634A (en) * | 1968-10-15 | 1971-06-01 | Stromberg Carlson Corp | Electrical circuit for multiplying serial binary numbers by a parallel number |
US3627999A (en) * | 1969-11-28 | 1971-12-14 | Comcet Inc | Two{40 s complement negative number multiplying circuit |
US3761699A (en) * | 1972-03-28 | 1973-09-25 | Collins Radio Co | Multiplication by successive addition with two{40 s complement notation |
US3737638A (en) * | 1972-07-18 | 1973-06-05 | Ibm | A series-parallel multiplication device using modified two{40 s complement arithmetic |
US3805043A (en) * | 1972-10-11 | 1974-04-16 | Bell Telephone Labor Inc | Serial-parallel binary multiplication using pairwise addition |
-
1974
- 1974-12-20 US US05/534,765 patent/US3956622A/en not_active Expired - Lifetime
-
1975
- 1975-12-12 SE SE7514079A patent/SE7514079L/xx unknown
- 1975-12-15 BE BE162734A patent/BE836630A/xx unknown
- 1975-12-15 FR FR7538310A patent/FR2295482A1/fr active Granted
- 1975-12-16 NL NL7514646A patent/NL7514646A/xx not_active Application Discontinuation
- 1975-12-17 GB GB51594/75A patent/GB1523750A/en not_active Expired
- 1975-12-19 JP JP50150770A patent/JPS5186332A/ja active Pending
- 1975-12-19 ES ES443696A patent/ES443696A1/es not_active Expired
- 1975-12-19 IT IT30602/75A patent/IT1051542B/it active
- 1975-12-19 DE DE19752557436 patent/DE2557436A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2295482A1 (fr) | 1976-07-16 |
BE836630A (fr) | 1976-04-01 |
GB1523750A (en) | 1978-09-06 |
FR2295482B1 (es) | 1979-06-22 |
JPS5186332A (es) | 1976-07-28 |
NL7514646A (nl) | 1976-06-22 |
US3956622A (en) | 1976-05-11 |
SE7514079L (sv) | 1976-06-21 |
IT1051542B (it) | 1981-05-20 |
DE2557436A1 (de) | 1976-06-24 |
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