KR950000388B1 - 승산 회로의 부분 승수 선택 회로 - Google Patents

승산 회로의 부분 승수 선택 회로 Download PDF

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Publication number
KR950000388B1
KR950000388B1 KR1019920016084A KR920016084A KR950000388B1 KR 950000388 B1 KR950000388 B1 KR 950000388B1 KR 1019920016084 A KR1019920016084 A KR 1019920016084A KR 920016084 A KR920016084 A KR 920016084A KR 950000388 B1 KR950000388 B1 KR 950000388B1
Authority
KR
South Korea
Prior art keywords
signal
selection
clock
multiplier
latch circuit
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 - Fee Related
Application number
KR1019920016084A
Other languages
English (en)
Korean (ko)
Other versions
KR930006540A (ko
Inventor
신고 고지마
Original Assignee
닛본덴기 가부시끼가이샤
세끼모또 타다히로
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 닛본덴기 가부시끼가이샤, 세끼모또 타다히로 filed Critical 닛본덴기 가부시끼가이샤
Publication of KR930006540A publication Critical patent/KR930006540A/ko
Application granted granted Critical
Publication of KR950000388B1 publication Critical patent/KR950000388B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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
    • G06F7/533—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
    • G06F7/5334—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product
    • G06F7/5336—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product overlapped, i.e. with successive bitgroups sharing one or more bits being recoded into signed digit representation, e.g. using the Modified Booth Algorithm

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)
  • Electronic Switches (AREA)
KR1019920016084A 1991-09-04 1992-09-04 승산 회로의 부분 승수 선택 회로 Expired - Fee Related KR950000388B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3223246A JP2838924B2 (ja) 1991-09-04 1991-09-04 部分乗数選択回路
JP91-223246 1991-09-04

Publications (2)

Publication Number Publication Date
KR930006540A KR930006540A (ko) 1993-04-21
KR950000388B1 true KR950000388B1 (ko) 1995-01-16

Family

ID=16795092

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920016084A Expired - Fee Related KR950000388B1 (ko) 1991-09-04 1992-09-04 승산 회로의 부분 승수 선택 회로

Country Status (5)

Country Link
US (1) US5337268A (enExample)
EP (1) EP0535395B1 (enExample)
JP (1) JP2838924B2 (enExample)
KR (1) KR950000388B1 (enExample)
DE (1) DE69227744T2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0612229A (ja) * 1992-06-10 1994-01-21 Nec Corp 乗累算回路
JP3427275B2 (ja) * 1994-06-15 2003-07-14 三菱電機株式会社 乗算器
KR100370140B1 (ko) * 2000-12-30 2003-01-30 주식회사 하이닉스반도체 메모리 소자에서의 ｘ１６의 동작을 ｘ４ 및 ｘ８동작으로 전환하는 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342984A (en) * 1980-12-05 1982-08-03 The United States Of America As Represented By The Secretary Of The Navy High speed digital to analog converter circuit
US4972362A (en) * 1988-06-17 1990-11-20 Bipolar Integrated Technology, Inc. Method and apparatus for implementing binary multiplication using booth type multiplication

Also Published As

Publication number Publication date
EP0535395A2 (en) 1993-04-07
EP0535395B1 (en) 1998-12-02
KR930006540A (ko) 1993-04-21
EP0535395A3 (enExample) 1994-03-09
DE69227744D1 (de) 1999-01-14
US5337268A (en) 1994-08-09
JP2838924B2 (ja) 1998-12-16
JPH0561648A (ja) 1993-03-12
DE69227744T2 (de) 1999-06-10

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