DE3381935D1 - Teilproduktakkumulation in hochleistungsmultipliziern. - Google Patents

Teilproduktakkumulation in hochleistungsmultipliziern.

Info

Publication number
DE3381935D1
DE3381935D1 DE8383303303T DE3381935T DE3381935D1 DE 3381935 D1 DE3381935 D1 DE 3381935D1 DE 8383303303 T DE8383303303 T DE 8383303303T DE 3381935 T DE3381935 T DE 3381935T DE 3381935 D1 DE3381935 D1 DE 3381935D1
Authority
DE
Germany
Prior art keywords
sub
product accumulation
multiplication
performance
performance multiplication
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
Application number
DE8383303303T
Other languages
English (en)
Inventor
Frederick A Ware
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE3381935D1 publication Critical patent/DE3381935D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G06F7/533—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
    • 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
    • G06F7/50—Adding; Subtracting
    • G06F7/505—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination
    • G06F7/509—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination for multiple operands, e.g. digital integrators
DE8383303303T 1982-10-13 1983-06-08 Teilproduktakkumulation in hochleistungsmultipliziern. Expired - Lifetime DE3381935D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/434,298 US4545028A (en) 1982-10-13 1982-10-13 Partial product accumulation in high performance multipliers

Publications (1)

Publication Number Publication Date
DE3381935D1 true DE3381935D1 (de) 1990-11-15

Family

ID=23723657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383303303T Expired - Lifetime DE3381935D1 (de) 1982-10-13 1983-06-08 Teilproduktakkumulation in hochleistungsmultipliziern.

Country Status (4)

Country Link
US (1) US4545028A (de)
EP (1) EP0109137B1 (de)
JP (1) JPS5981737A (de)
DE (1) DE3381935D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4577282A (en) 1982-02-22 1986-03-18 Texas Instruments Incorporated Microcomputer system for digital signal processing
US4646257A (en) * 1983-10-03 1987-02-24 Texas Instruments Incorporated Digital multiplication circuit for use in a microprocessor
US4680701A (en) * 1984-04-11 1987-07-14 Texas Instruments Incorporated Asynchronous high speed processor having high speed memories with domino circuits contained therein
JPS61114338A (ja) * 1984-11-09 1986-06-02 Hitachi Ltd 乗算器
US4831577A (en) * 1986-09-17 1989-05-16 Intersil, Inc. Digital multiplier architecture with triple array summation of partial products
US4839848A (en) * 1987-09-14 1989-06-13 Unisys Corporation Fast multiplier circuit incorporating parallel arrays of two-bit and three-bit adders
DE3823722A1 (de) * 1988-07-13 1990-01-18 Siemens Ag Multiplizierer
EP0448367B1 (de) * 1990-03-20 1998-12-23 Fujitsu Limited Digitaler paralleler Hochgeschwindigkeitsmultiplizierer
US5808927A (en) * 1994-10-18 1998-09-15 International Business Machines Corporation Apparatus for performing two's complement and unsigned multiply accumulate
EP1622178A1 (de) * 2004-07-29 2006-02-01 Ecole Polytechnique Federale De Lausanne (Epfl) 2,2 -Bipyridinligand, Sensibilisierungsfarbstoff und farbstoffsensibilisierte Solarzelle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2007353C3 (de) * 1970-02-18 1973-11-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Vierteiliges Addierwerk
JPS5270727A (en) * 1975-12-10 1977-06-13 Fujitsu Ltd Computation system
US4153938A (en) * 1977-08-18 1979-05-08 Monolithic Memories Inc. High speed combinatorial digital multiplier

Also Published As

Publication number Publication date
EP0109137B1 (de) 1990-10-10
JPH0312738B2 (de) 1991-02-20
JPS5981737A (ja) 1984-05-11
EP0109137A2 (de) 1984-05-23
US4545028A (en) 1985-10-01
EP0109137A3 (en) 1986-05-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee