DE69030169T2 - Hochleistungsaddierer mit Carry-Vorhersage - Google Patents
Hochleistungsaddierer mit Carry-VorhersageInfo
- Publication number
- DE69030169T2 DE69030169T2 DE69030169T DE69030169T DE69030169T2 DE 69030169 T2 DE69030169 T2 DE 69030169T2 DE 69030169 T DE69030169 T DE 69030169T DE 69030169 T DE69030169 T DE 69030169T DE 69030169 T2 DE69030169 T2 DE 69030169T2
- Authority
- DE
- Germany
- Prior art keywords
- high performance
- carry prediction
- performance adder
- adder
- prediction
- 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
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
- G06F7/50—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Computing Systems (AREA)
- Mathematical Optimization (AREA)
- General Engineering & Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Complex Calculations (AREA)
- Advance Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/462,731 US5097436A (en) | 1990-01-09 | 1990-01-09 | High performance adder using carry predictions |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69030169D1 DE69030169D1 (de) | 1997-04-17 |
DE69030169T2 true DE69030169T2 (de) | 1997-12-04 |
Family
ID=23837561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69030169T Expired - Fee Related DE69030169T2 (de) | 1990-01-09 | 1990-12-20 | Hochleistungsaddierer mit Carry-Vorhersage |
Country Status (6)
Country | Link |
---|---|
US (1) | US5097436A (de) |
EP (1) | EP0436905B1 (de) |
JP (1) | JPH04270415A (de) |
KR (1) | KR940004326B1 (de) |
CA (1) | CA2032435C (de) |
DE (1) | DE69030169T2 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69330363T2 (de) * | 1992-03-31 | 2001-11-15 | St Microelectronics Inc | Parallelisierter Übertragvorgriffsaddierer |
US5450560A (en) * | 1992-12-21 | 1995-09-12 | Motorola, Inc. | Pointer for use with a buffer and method of operation |
US5581497A (en) * | 1994-10-17 | 1996-12-03 | Intel Corporation | Carry skip adder with enhanced grouping scheme |
US5619442A (en) * | 1995-04-07 | 1997-04-08 | National Semiconductor Corporation | Alternating polarity carry look ahead adder circuit |
KR100197354B1 (ko) * | 1995-06-28 | 1999-06-15 | 김영환 | 클럭 위상을 이용한 캐리증가 가산기 |
US5826074A (en) * | 1996-11-22 | 1998-10-20 | S3 Incorporated | Extenstion of 32-bit architecture for 64-bit addressing with shared super-page register |
US6549927B1 (en) * | 1999-11-08 | 2003-04-15 | International Business Machines Corporation | Circuit and method for summing multiple binary vectors |
US6877069B2 (en) * | 2002-03-28 | 2005-04-05 | International Business Machines Corporation | History-based carry predictor for data cache address generation |
US6941421B2 (en) * | 2002-10-29 | 2005-09-06 | International Business Machines Corporation | Zero delay data cache effective address generation |
JP2009301210A (ja) * | 2008-06-11 | 2009-12-24 | Tokyo Denki Univ | N桁減算器ユニット、n桁減算器モジュール、n桁加算器ユニット及びn桁加算器モジュール |
CN107766031B (zh) * | 2017-11-14 | 2020-06-19 | 京东方科技集团股份有限公司 | 分段式除法器、分段式除法运算方法、以及电子设备 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2879001A (en) * | 1956-09-10 | 1959-03-24 | Weinberger Arnold | High-speed binary adder having simultaneous carry generation |
US3023961A (en) * | 1957-05-23 | 1962-03-06 | Thompson Ramo Wooldridge Inc | Apparatus for performing high speed division |
GB1145676A (en) * | 1966-09-28 | 1969-03-19 | Nippon Electric Co | High speed adder circuit |
DE2007353C3 (de) * | 1970-02-18 | 1973-11-29 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Vierteiliges Addierwerk |
US3987291A (en) * | 1975-05-01 | 1976-10-19 | International Business Machines Corporation | Parallel digital arithmetic device having a variable number of independent arithmetic zones of variable width and location |
US4084254A (en) * | 1977-04-28 | 1978-04-11 | International Business Machines Corporation | Divider using carry save adder with nonperforming lookahead |
US4380051A (en) * | 1980-11-28 | 1983-04-12 | Motorola, Inc. | High speed digital divider having normalizing circuitry |
US4503512A (en) * | 1982-02-22 | 1985-03-05 | Amdahl Corporation | Cellular division circuit |
US4525797A (en) * | 1983-01-03 | 1985-06-25 | Motorola, Inc. | N-bit carry select adder circuit having only one full adder per bit |
CA1231455A (en) * | 1984-04-09 | 1988-01-12 | Masayuki Ikeda | Nonrestoring divider |
JPS6149233A (ja) * | 1984-08-17 | 1986-03-11 | Nec Corp | 高速デジタル加減算回路 |
JPS61166628A (ja) * | 1985-01-18 | 1986-07-28 | Hitachi Ltd | 除算装置 |
US4858168A (en) * | 1988-02-16 | 1989-08-15 | American Telephone And Telegraph Company | Carry look-ahead technique having a reduced number of logic levels |
JPH01311321A (ja) * | 1988-06-10 | 1989-12-15 | Nec Corp | 加算器 |
-
1990
- 1990-01-09 US US07/462,731 patent/US5097436A/en not_active Expired - Lifetime
- 1990-12-17 CA CA002032435A patent/CA2032435C/en not_active Expired - Fee Related
- 1990-12-20 EP EP90125014A patent/EP0436905B1/de not_active Expired - Lifetime
- 1990-12-20 DE DE69030169T patent/DE69030169T2/de not_active Expired - Fee Related
-
1991
- 1991-01-08 KR KR1019910000143A patent/KR940004326B1/ko not_active IP Right Cessation
- 1991-01-08 JP JP3000564A patent/JPH04270415A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US5097436A (en) | 1992-03-17 |
KR940004326B1 (ko) | 1994-05-19 |
EP0436905B1 (de) | 1997-03-12 |
EP0436905A2 (de) | 1991-07-17 |
CA2032435C (en) | 1994-06-28 |
KR910014801A (ko) | 1991-08-31 |
CA2032435A1 (en) | 1991-07-10 |
DE69030169D1 (de) | 1997-04-17 |
EP0436905A3 (en) | 1991-11-06 |
JPH04270415A (ja) | 1992-09-25 |
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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 |