FR2521746B1 - - Google Patents
Info
- Publication number
- FR2521746B1 FR2521746B1 FR8202373A FR8202373A FR2521746B1 FR 2521746 B1 FR2521746 B1 FR 2521746B1 FR 8202373 A FR8202373 A FR 8202373A FR 8202373 A FR8202373 A FR 8202373A FR 2521746 B1 FR2521746 B1 FR 2521746B1
- Authority
- FR
- France
- 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
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
- G06F7/501—Half or full adders, i.e. basic adder cells for one denomination
- G06F7/503—Half or full adders, i.e. basic adder cells for one denomination using carry switching, i.e. the incoming carry being connected directly, or only via an inverter, to the carry output under control of a carry propagate signal
-
- 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
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)
- Logic Circuits (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/345,696 US4471455A (en) | 1982-02-04 | 1982-02-04 | Carry-forming unit |
| FR8202373A FR2521746A1 (fr) | 1982-02-04 | 1982-02-12 | Formateur de report |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/345,696 US4471455A (en) | 1982-02-04 | 1982-02-04 | Carry-forming unit |
| FR8202373A FR2521746A1 (fr) | 1982-02-04 | 1982-02-12 | Formateur de report |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2521746A1 FR2521746A1 (fr) | 1983-08-19 |
| FR2521746B1 true FR2521746B1 (US07176919-20070213-C00032.png) | 1984-05-25 |
Family
ID=26222748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8202373A Granted FR2521746A1 (fr) | 1982-02-04 | 1982-02-12 | Formateur de report |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4471455A (US07176919-20070213-C00032.png) |
| FR (1) | FR2521746A1 (US07176919-20070213-C00032.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4577282A (en) | 1982-02-22 | 1986-03-18 | Texas Instruments Incorporated | Microcomputer system for digital signal processing |
| US4677584A (en) * | 1983-11-30 | 1987-06-30 | Texas Instruments Incorporated | Data processing system with an arithmetic logic unit having improved carry look ahead |
| JPS62103732A (ja) * | 1985-10-30 | 1987-05-14 | Mitsubishi Electric Corp | Ｍｏｓトランジスタ回路 |
| US8135768B2 (en) * | 2005-03-02 | 2012-03-13 | Mtekvision Co., Ltd. | Adder with reduced capacitance |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3249747A (en) * | 1963-06-14 | 1966-05-03 | North American Aviation Inc | Carry assimilating system |
| US3728532A (en) * | 1972-01-21 | 1973-04-17 | Rca Corp | Carry skip-ahead network |
| CA1006982A (en) * | 1972-07-10 | 1977-03-15 | Tokyo Shibaura Electric Company | Full adder and subtractor circuit |
| US3843876A (en) * | 1973-09-20 | 1974-10-22 | Motorola Inc | Electronic digital adder having a high speed carry propagation line |
| US3932734A (en) * | 1974-03-08 | 1976-01-13 | Hawker Siddeley Dynamics Limited | Binary parallel adder employing high speed gating circuitry |
| US4016546A (en) * | 1974-10-30 | 1977-04-05 | Motorola, Inc. | Bus switch coupling for series-coupled address bus sections in a microprocessor |
| JPS5841533B2 (ja) * | 1975-10-31 | 1983-09-13 | 日本電気株式会社 | ゼンカゲンサンカイロ |
| US4031379A (en) * | 1976-02-23 | 1977-06-21 | Intel Corporation | Propagation line adder and method for binary addition |
| US4179746A (en) * | 1976-07-19 | 1979-12-18 | Texas Instruments Incorporated | Digital processor system with conditional carry and status function in arithmetic unit |
| DE2647982A1 (de) * | 1976-10-22 | 1978-04-27 | Siemens Ag | Logische schaltungsanordnung in integrierter mos-schaltkreistechnik |
| US4152775A (en) * | 1977-07-20 | 1979-05-01 | Intel Corporation | Single line propagation adder and method for binary addition |
| US4228520A (en) * | 1979-05-04 | 1980-10-14 | International Business Machines Corporation | High speed multiplier using carry-save/propagate pipeline with sparse carries |
| US4369500A (en) * | 1980-10-20 | 1983-01-18 | Motorola Inc. | High speed NXM bit digital, repeated addition type multiplying circuit |
-
1982
- 1982-02-04 US US06/345,696 patent/US4471455A/en not_active Expired - Fee Related
- 1982-02-12 FR FR8202373A patent/FR2521746A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4471455A (en) | 1984-09-11 |
| FR2521746A1 (fr) | 1983-08-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |