GB2299189B - Carry lookaheader for full-adder circuit - Google Patents

Carry lookaheader for full-adder circuit

Info

Publication number
GB2299189B
GB2299189B GB9606262A GB9606262A GB2299189B GB 2299189 B GB2299189 B GB 2299189B GB 9606262 A GB9606262 A GB 9606262A GB 9606262 A GB9606262 A GB 9606262A GB 2299189 B GB2299189 B GB 2299189B
Authority
GB
United Kingdom
Prior art keywords
lookaheader
full
carry
adder circuit
adder
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
GB9606262A
Other versions
GB2299189A (en
GB9606262D0 (en
Inventor
Huy Chan Jung
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.)
SK Hynix Inc
Original Assignee
Hyundai Electronics Industries Co 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
Application filed by Hyundai Electronics Industries Co Ltd filed Critical Hyundai Electronics Industries Co Ltd
Publication of GB9606262D0 publication Critical patent/GB9606262D0/en
Publication of GB2299189A publication Critical patent/GB2299189A/en
Application granted granted Critical
Publication of GB2299189B publication Critical patent/GB2299189B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06F7/40—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using contact-making devices, e.g. electromagnetic relay
    • G06F7/42—Adding; Subtracting
    • 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
    • G06F7/506—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
    • G06F7/508—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 using carry look-ahead circuits
GB9606262A 1995-03-24 1996-03-25 Carry lookaheader for full-adder circuit Expired - Fee Related GB2299189B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950006323A KR0166498B1 (en) 1995-03-24 1995-03-24 Full adder

Publications (3)

Publication Number Publication Date
GB9606262D0 GB9606262D0 (en) 1996-05-29
GB2299189A GB2299189A (en) 1996-09-25
GB2299189B true GB2299189B (en) 1999-12-08

Family

ID=19410485

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9606262A Expired - Fee Related GB2299189B (en) 1995-03-24 1996-03-25 Carry lookaheader for full-adder circuit

Country Status (2)

Country Link
KR (1) KR0166498B1 (en)
GB (1) GB2299189B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW359796B (en) * 1996-10-29 1999-06-01 Matsushita Electric Ind Co Ltd Adder circuit and layout structure therefor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2184579A (en) * 1985-12-20 1987-06-24 Texas Instruments Ltd A multi-stage parallel binary adder
EP0242600A2 (en) * 1986-03-20 1987-10-28 Kabushiki Kaisha Toshiba Carry look-ahead calculating method and circuits therefor
EP0320111A2 (en) * 1987-12-11 1989-06-14 AT&T Corp. Multiple output field effect transistor logic
US5357457A (en) * 1992-07-30 1994-10-18 Mitsubishi Denki Kabushiki Kaisha Adder with carry look ahead circuit
EP0626638A1 (en) * 1993-05-03 1994-11-30 Motorola, Inc. A one's complement adder and method of operation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2184579A (en) * 1985-12-20 1987-06-24 Texas Instruments Ltd A multi-stage parallel binary adder
EP0242600A2 (en) * 1986-03-20 1987-10-28 Kabushiki Kaisha Toshiba Carry look-ahead calculating method and circuits therefor
EP0320111A2 (en) * 1987-12-11 1989-06-14 AT&T Corp. Multiple output field effect transistor logic
US5357457A (en) * 1992-07-30 1994-10-18 Mitsubishi Denki Kabushiki Kaisha Adder with carry look ahead circuit
EP0626638A1 (en) * 1993-05-03 1994-11-30 Motorola, Inc. A one's complement adder and method of operation

Also Published As

Publication number Publication date
GB2299189A (en) 1996-09-25
KR960035252A (en) 1996-10-24
KR0166498B1 (en) 1999-01-15
GB9606262D0 (en) 1996-05-29

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070325