JPS6232532A - 論理回路 - Google Patents

論理回路

Info

Publication number
JPS6232532A
JPS6232532A JP60172606A JP17260685A JPS6232532A JP S6232532 A JPS6232532 A JP S6232532A JP 60172606 A JP60172606 A JP 60172606A JP 17260685 A JP17260685 A JP 17260685A JP S6232532 A JPS6232532 A JP S6232532A
Authority
JP
Japan
Prior art keywords
carry
signal
input signal
output signal
stage
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.)
Granted
Application number
JP60172606A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0424729B2 (enExample
Inventor
Satoshi Akiyama
秋山　敏
Yuichi Saito
祐一 斉藤
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP60172606A priority Critical patent/JPS6232532A/ja
Priority to US06/884,173 priority patent/US4827444A/en
Publication of JPS6232532A publication Critical patent/JPS6232532A/ja
Publication of JPH0424729B2 publication Critical patent/JPH0424729B2/ja
Granted 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
    • G06F7/50—Adding; Subtracting
    • G06F7/505—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination
    • G06F7/506—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination with simultaneous carry generation for, or propagation over, two or more stages

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • General Engineering & Computer Science (AREA)
  • Dc Digital Transmission (AREA)
JP60172606A 1985-08-05 1985-08-05 論理回路 Granted JPS6232532A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP60172606A JPS6232532A (ja) 1985-08-05 1985-08-05 論理回路
US06/884,173 US4827444A (en) 1985-08-05 1986-07-09 Carry skip-ahead circuit for Manchester-type adder chain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60172606A JPS6232532A (ja) 1985-08-05 1985-08-05 論理回路

Publications (2)

Publication Number Publication Date
JPS6232532A true JPS6232532A (ja) 1987-02-12
JPH0424729B2 JPH0424729B2 (enExample) 1992-04-27

Family

ID=15944981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60172606A Granted JPS6232532A (ja) 1985-08-05 1985-08-05 論理回路

Country Status (2)

Country Link
US (1) US4827444A (enExample)
JP (1) JPS6232532A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0291726A (ja) * 1988-09-28 1990-03-30 Fujitsu Ltd 加算回路
US5025409A (en) * 1988-06-15 1991-06-18 Fujitsu Limited Carry propagation circuit of parallel-type full adder
JPH03252724A (ja) * 1990-03-01 1991-11-12 Sharp Corp 加算器
US5359588A (en) * 1992-02-12 1994-10-25 Mitsubishi Denki Kabushiki Kaisha Optical recording/reproducing apparatus

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4918642A (en) * 1988-03-29 1990-04-17 Chang Chih C Isolated carry propagation fast adder
JP2992588B2 (ja) * 1989-06-30 1999-12-20 三菱電機株式会社 加算回路
US6584484B1 (en) * 2000-05-11 2003-06-24 Agere Systems Inc. Incorporation of split-adder logic within a carry-skip adder without additional propagation delay
US8466800B1 (en) 2008-06-16 2013-06-18 United Services Automobile Association (Usaa) Smoke detector testing

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60140425A (ja) * 1983-12-28 1985-07-25 Nec Corp キヤリ−回路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728532A (en) * 1972-01-21 1973-04-17 Rca Corp Carry skip-ahead network
JPS53123634A (en) * 1977-04-05 1978-10-28 Fujitsu Ltd Carry look ahead circuit
JPS60116034A (ja) * 1983-11-28 1985-06-22 Toshiba Corp 加算回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60140425A (ja) * 1983-12-28 1985-07-25 Nec Corp キヤリ−回路

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025409A (en) * 1988-06-15 1991-06-18 Fujitsu Limited Carry propagation circuit of parallel-type full adder
JPH0291726A (ja) * 1988-09-28 1990-03-30 Fujitsu Ltd 加算回路
JPH03252724A (ja) * 1990-03-01 1991-11-12 Sharp Corp 加算器
US5359588A (en) * 1992-02-12 1994-10-25 Mitsubishi Denki Kabushiki Kaisha Optical recording/reproducing apparatus
US5469423A (en) * 1992-02-12 1995-11-21 Mitsubishi Kenki Kabushiki Kaisha Laser power control of an optical head with a plurality of beam sources

Also Published As

Publication number Publication date
JPH0424729B2 (enExample) 1992-04-27
US4827444A (en) 1989-05-02

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