IT1108849B - Addizionatore perfezionato - Google Patents
Addizionatore perfezionatoInfo
- Publication number
- IT1108849B IT1108849B IT21398/78A IT2139878A IT1108849B IT 1108849 B IT1108849 B IT 1108849B IT 21398/78 A IT21398/78 A IT 21398/78A IT 2139878 A IT2139878 A IT 2139878A IT 1108849 B IT1108849 B IT 1108849B
- Authority
- IT
- Italy
- Prior art keywords
- perfected
- adjuster
- perfected adjuster
- Prior art date
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
- G06F7/505—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination
- G06F7/509—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination for multiple operands, e.g. digital integrators
- G06F7/5095—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination for multiple operands, e.g. digital integrators word-serial, i.e. with an accumulator-register
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)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/792,082 US4110832A (en) | 1977-04-28 | 1977-04-28 | Carry save adder |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7821398A0 IT7821398A0 (it) | 1978-03-21 |
IT1108849B true IT1108849B (it) | 1985-12-09 |
Family
ID=25155736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21398/78A IT1108849B (it) | 1977-04-28 | 1978-03-21 | Addizionatore perfezionato |
Country Status (6)
Country | Link |
---|---|
US (1) | US4110832A (it) |
JP (1) | JPS53135533A (it) |
DE (1) | DE2814078A1 (it) |
FR (1) | FR2389173A1 (it) |
GB (1) | GB1549968A (it) |
IT (1) | IT1108849B (it) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4471454A (en) * | 1981-10-27 | 1984-09-11 | Ibm Corporation | Fast, efficient, small adder |
US4495593A (en) * | 1982-07-01 | 1985-01-22 | Hewlett-Packard Company | Multiple bit encoding technique for combinational multipliers |
US4550432A (en) * | 1983-04-13 | 1985-10-29 | At&T Bell Laboratories | Image processor using a moment generator |
US4700325A (en) * | 1984-02-08 | 1987-10-13 | Hewlett-Packard Company | Binary tree calculations on monolithic integrated circuits |
GB2161963B (en) * | 1984-07-18 | 1988-02-03 | Marconi Co Ltd | Accumulator |
US4623982A (en) | 1985-06-10 | 1986-11-18 | Hewlett-Packard Company | Conditional carry techniques for digital processors |
DE3524981A1 (de) * | 1985-07-12 | 1987-01-22 | Siemens Ag | Anordnung mit einem saettigbaren carry-save-addierer |
ATE93635T1 (de) * | 1986-06-10 | 1993-09-15 | Siemens Ag | Anordnung zur bitparallelen addition von binaerzahlen mit carry-save ueberlaufkorrektur. |
US5101370A (en) * | 1990-07-26 | 1992-03-31 | Unisys Corporation | Programmable digital accumulate and scale circuit |
JP2683488B2 (ja) * | 1992-06-30 | 1997-11-26 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 3−1論理演算装置 |
US5351207A (en) * | 1992-08-31 | 1994-09-27 | Intel Corporation | Methods and apparatus for subtraction with 3:2 carry-save adders |
US5619441A (en) * | 1994-10-14 | 1997-04-08 | International Business Machines Corporation | High speed dynamic binary incrementer |
JPH0962653A (ja) * | 1995-08-29 | 1997-03-07 | Mitsubishi Electric Corp | 積和演算装置、積和演算器集積回路装置及び累積加算器 |
WO1998050851A1 (en) * | 1997-05-04 | 1998-11-12 | Fortress U & T Ltd. | Improved apparatus & method for modular multiplication & exponentiation based on montgomery multiplication |
US6748410B1 (en) | 1997-05-04 | 2004-06-08 | M-Systems Flash Disk Pioneers, Ltd. | Apparatus and method for modular multiplication and exponentiation based on montgomery multiplication |
US6785703B2 (en) | 2001-05-24 | 2004-08-31 | International Business Machines Corporation | Simultaneous dual rail static carry-save-adder circuit using silicon on insulator technology |
US6591286B1 (en) * | 2002-01-18 | 2003-07-08 | Neomagic Corp. | Pipelined carry-lookahead generation for a fast incrementer |
GB2396708B (en) | 2002-12-05 | 2006-06-21 | Micron Technology Inc | Hybrid arithmetic logic unit |
US8214390B2 (en) * | 2009-06-03 | 2012-07-03 | Yahoo! Inc. | Binary interest vector for better audience targeting |
US11640397B2 (en) | 2020-09-25 | 2023-05-02 | Micron Technology, Inc. | Acceleration of data queries in memory |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3340388A (en) * | 1965-07-12 | 1967-09-05 | Ibm | Latched carry save adder circuit for multipliers |
US3515344A (en) * | 1966-08-31 | 1970-06-02 | Ibm | Apparatus for accumulating the sum of a plurality of operands |
US3621218A (en) * | 1967-09-29 | 1971-11-16 | Hitachi Ltd | High-speed divider utilizing carry save additions |
-
1977
- 1977-04-28 US US05/792,082 patent/US4110832A/en not_active Expired - Lifetime
-
1978
- 1978-03-15 GB GB10248/78A patent/GB1549968A/en not_active Expired
- 1978-03-21 IT IT21398/78A patent/IT1108849B/it active
- 1978-03-23 FR FR7809188A patent/FR2389173A1/fr active Granted
- 1978-03-28 JP JP3495778A patent/JPS53135533A/ja active Granted
- 1978-04-01 DE DE19782814078 patent/DE2814078A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPS5517425B2 (it) | 1980-05-12 |
US4110832A (en) | 1978-08-29 |
FR2389173A1 (fr) | 1978-11-24 |
GB1549968A (en) | 1979-08-08 |
IT7821398A0 (it) | 1978-03-21 |
JPS53135533A (en) | 1978-11-27 |
FR2389173B1 (it) | 1981-08-14 |
DE2814078A1 (de) | 1978-11-09 |
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