GB1523750A - Apparatus for forming the product of two binary data word - Google Patents

Apparatus for forming the product of two binary data word

Info

Publication number
GB1523750A
GB1523750A GB51594/75A GB5159475A GB1523750A GB 1523750 A GB1523750 A GB 1523750A GB 51594/75 A GB51594/75 A GB 51594/75A GB 5159475 A GB5159475 A GB 5159475A GB 1523750 A GB1523750 A GB 1523750A
Authority
GB
United Kingdom
Prior art keywords
bit
stage
bistable
product
word
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
Application number
GB51594/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB1523750A publication Critical patent/GB1523750A/en
Expired legal-status Critical Current

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
    • G06F7/525—Multiplying only in serial-serial fashion, i.e. both operands being entered serially
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
GB51594/75A 1974-12-20 1975-12-17 Apparatus for forming the product of two binary data word Expired GB1523750A (en)

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
GB1523750A true GB1523750A (en) 1978-09-06

Family

ID=24131447

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51594/75A Expired GB1523750A (en) 1974-12-20 1975-12-17 Apparatus for forming the product of two binary data word

Country Status (10)

Country Link
US (1) US3956622A (https=)
JP (1) JPS5186332A (https=)
BE (1) BE836630A (https=)
DE (1) DE2557436A1 (https=)
ES (1) ES443696A1 (https=)
FR (1) FR2295482A1 (https=)
GB (1) GB1523750A (https=)
IT (1) IT1051542B (https=)
NL (1) NL7514646A (https=)
SE (1) SE7514079L (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2226899A (en) * 1989-01-06 1990-07-11 Philips Electronic Associated An electronic circuit and signal processing arrangements using it

Families Citing this family (14)

* Cited by examiner, † Cited by third party
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
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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2226899A (en) * 1989-01-06 1990-07-11 Philips Electronic Associated An electronic circuit and signal processing arrangements using it

Also Published As

Publication number Publication date
JPS5186332A (https=) 1976-07-28
FR2295482A1 (fr) 1976-07-16
FR2295482B1 (https=) 1979-06-22
ES443696A1 (es) 1977-05-01
IT1051542B (it) 1981-05-20
US3956622A (en) 1976-05-11
BE836630A (fr) 1976-04-01
SE7514079L (sv) 1976-06-21
DE2557436A1 (de) 1976-06-24
NL7514646A (nl) 1976-06-22

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed