BR8406677A - Circuito de multiplicacao - Google Patents

Circuito de multiplicacao

Info

Publication number
BR8406677A
BR8406677A BR8406677A BR8406677A BR8406677A BR 8406677 A BR8406677 A BR 8406677A BR 8406677 A BR8406677 A BR 8406677A BR 8406677 A BR8406677 A BR 8406677A BR 8406677 A BR8406677 A BR 8406677A
Authority
BR
Brazil
Prior art keywords
multiplication circuit
multiplication
circuit
Prior art date
Application number
BR8406677A
Other languages
English (en)
Inventor
Hideo Miyanaga
Original Assignee
Fujitsu Ltd
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
Priority claimed from JP58247392A external-priority patent/JPS60136831A/ja
Priority claimed from JP25192483A external-priority patent/JPH0227686B2/ja
Priority claimed from JP59024135A external-priority patent/JPS60168235A/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of BR8406677A publication Critical patent/BR8406677A/pt

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
    • G06F7/527—Multiplying only in serial-parallel fashion, i.e. one operand being entered serially and the other in parallel
    • G06F7/5272—Multiplying only in serial-parallel fashion, i.e. one operand being entered serially and the other in parallel with row wise addition of partial products
    • G06F7/5275—Multiplying only in serial-parallel fashion, i.e. one operand being entered serially and the other in parallel with row wise addition of partial products using carry save adders
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0763—Error or fault detection not based on redundancy by bit configuration check, e.g. of formats or tags
    • 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
BR8406677A 1983-12-26 1984-12-21 Circuito de multiplicacao BR8406677A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP58247392A JPS60136831A (ja) 1983-12-26 1983-12-26 レシデユ−生成回路
JP25192483A JPH0227686B2 (ja) 1983-12-27 1983-12-27 Jozankairo
JP59024135A JPS60168235A (ja) 1984-02-10 1984-02-10 乗算器チエツク方式

Publications (1)

Publication Number Publication Date
BR8406677A true BR8406677A (pt) 1985-10-22

Family

ID=27284521

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8406677A BR8406677A (pt) 1983-12-26 1984-12-21 Circuito de multiplicacao

Country Status (8)

Country Link
US (1) US4727507A (pt)
EP (1) EP0147296B1 (pt)
KR (1) KR900000477B1 (pt)
AU (1) AU550740B2 (pt)
BR (1) BR8406677A (pt)
CA (1) CA1232072A (pt)
DE (1) DE3485535D1 (pt)
ES (1) ES539052A0 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6347874A (ja) * 1986-08-16 1988-02-29 Nec Corp 算術演算装置
US4989168A (en) * 1987-11-30 1991-01-29 Fujitsu Limited Multiplying unit in a computer system, capable of population counting
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
US5636155A (en) * 1993-04-27 1997-06-03 Matsushita Electric Industrial Co., Ltd. Arithmetic processor and arithmetic method
US5684731A (en) * 1995-08-31 1997-11-04 National Semiconductor Corporation Booth multiplier using data path width adder for efficient carry save addition
US5847981A (en) * 1997-09-04 1998-12-08 Motorola, Inc. Multiply and accumulate circuit
US7543713B2 (en) * 2001-04-19 2009-06-09 Graham Packaging Company L.P. Multi-functional base for a plastic, wide-mouth, blow-molded container
US6763367B2 (en) * 2000-12-11 2004-07-13 International Business Machines Corporation Pre-reduction technique within a multiplier/accumulator architecture
US6917956B2 (en) * 2001-08-14 2005-07-12 Sun Microsystems, Inc. Apparatus and method for efficient modular exponentiation
GB2396708B (en) * 2002-12-05 2006-06-21 Micron Technology Inc Hybrid arithmetic logic unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3840727A (en) * 1972-10-30 1974-10-08 Amdahl Corp Binary multiplication by addition with non-verlapping multiplier recording
US4041292A (en) * 1975-12-22 1977-08-09 Honeywell Information Systems Inc. High speed binary multiplication system employing a plurality of multiple generator circuits

Also Published As

Publication number Publication date
EP0147296A2 (en) 1985-07-03
EP0147296B1 (en) 1992-03-04
KR850004819A (ko) 1985-07-27
AU550740B2 (en) 1986-04-10
AU3685684A (en) 1985-07-04
ES8602271A1 (es) 1985-11-16
EP0147296A3 (en) 1988-01-20
DE3485535D1 (de) 1992-04-09
KR900000477B1 (en) 1990-01-30
US4727507A (en) 1988-02-23
CA1232072A (en) 1988-01-26
ES539052A0 (es) 1985-11-16

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Legal Events

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