FR2456971B1 - Systeme de traitement de donnees - Google Patents
Systeme de traitement de donneesInfo
- Publication number
- FR2456971B1 FR2456971B1 FR8003144A FR8003144A FR2456971B1 FR 2456971 B1 FR2456971 B1 FR 2456971B1 FR 8003144 A FR8003144 A FR 8003144A FR 8003144 A FR8003144 A FR 8003144A FR 2456971 B1 FR2456971 B1 FR 2456971B1
- Authority
- FR
- France
- Prior art keywords
- data processing
- processing system
- data
- processing
- 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
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/406—Management or control of the refreshing or charge-regeneration cycles
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Dram (AREA)
- Memory System (AREA)
- Bus Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/012,081 US4317169A (en) | 1979-02-14 | 1979-02-14 | Data processing system having centralized memory refresh |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2456971A1 FR2456971A1 (fr) | 1980-12-12 |
FR2456971B1 true FR2456971B1 (fr) | 1987-05-29 |
Family
ID=21753300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8003144A Expired FR2456971B1 (fr) | 1979-02-14 | 1980-02-13 | Systeme de traitement de donnees |
Country Status (6)
Country | Link |
---|---|
US (1) | US4317169A (fr) |
JP (1) | JPS55108066A (fr) |
AU (1) | AU532850B2 (fr) |
BE (1) | BE881697A (fr) |
CA (1) | CA1143851A (fr) |
FR (1) | FR2456971B1 (fr) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4556952A (en) * | 1981-08-12 | 1985-12-03 | International Business Machines Corporation | Refresh circuit for dynamic memory of a data processor employing a direct memory access controller |
US4594656A (en) * | 1982-06-14 | 1986-06-10 | Moffett Richard C | Memory refresh apparatus |
JPS59140694A (ja) * | 1983-01-31 | 1984-08-13 | Sharp Corp | ダイナミツクramのリフレツシユ方法 |
US4611279A (en) * | 1983-04-14 | 1986-09-09 | International Business Machines Corporation | DMA asynchronous mode clock stretch |
US4639858A (en) * | 1983-07-05 | 1987-01-27 | Honeywell Information Systems Inc. | Apparatus and method for testing and verifying the refresh logic of dynamic MOS memories |
US4625296A (en) * | 1984-01-17 | 1986-11-25 | The Perkin-Elmer Corporation | Memory refresh circuit with varying system transparency |
DE3671675D1 (de) * | 1985-09-30 | 1990-07-05 | Siemens Ag | Verfahren zum auffrischen von daten in einer dynamischen ram-speichereinheit, und steuereinheit zur durchfuehrung dieses verfahrens. |
US4700330A (en) * | 1985-10-30 | 1987-10-13 | Digital Equipment Corporation | Memory for a digital data processing system including circuit for controlling refresh operations during power-up and power-down conditions |
US4987529A (en) * | 1988-08-11 | 1991-01-22 | Ast Research, Inc. | Shared memory bus system for arbitrating access control among contending memory refresh circuits, peripheral controllers, and bus masters |
US5191657A (en) * | 1989-11-09 | 1993-03-02 | Ast Research, Inc. | Microcomputer architecture utilizing an asynchronous bus between microprocessor and industry standard synchronous bus |
US5465339A (en) * | 1991-02-27 | 1995-11-07 | Vlsi Technology, Inc. | Decoupled refresh on local and system busses in a PC/at or similar microprocessor environment |
EP0547758B1 (fr) * | 1991-12-18 | 1999-01-20 | Sun Microsystems, Inc. | Régénération facultative |
US5617551A (en) * | 1992-09-18 | 1997-04-01 | New Media Corporation | Controller for refreshing a PSRAM using individual automatic refresh cycles |
US5606680A (en) * | 1994-11-22 | 1997-02-25 | Benchmarq Microelectronics | Realtime clock with page mode addressing |
US6151643A (en) | 1996-06-07 | 2000-11-21 | Networks Associates, Inc. | Automatic updating of diverse software products on multiple client computer systems by downloading scanning application to client computer and generating software list on client computer |
US6392948B1 (en) | 1996-08-29 | 2002-05-21 | Micron Technology, Inc. | Semiconductor device with self refresh test mode |
US6625637B1 (en) * | 1999-12-09 | 2003-09-23 | Koninklijke Philips Electronics N.V. | Method and apparatus for synthesizing communication support based on communication types of application |
US7010644B2 (en) * | 2002-08-29 | 2006-03-07 | Micron Technology, Inc. | Software refreshed memory device and method |
US6973003B1 (en) * | 2003-10-01 | 2005-12-06 | Advanced Micro Devices, Inc. | Memory device and method |
JP2006012357A (ja) * | 2004-06-29 | 2006-01-12 | Fujitsu Ltd | メモリ装置 |
US8290765B2 (en) * | 2005-03-16 | 2012-10-16 | Research In Motion Limited | Handheld electronic device with reduced keyboard and associated method of providing improved disambiguation |
KR100660874B1 (ko) * | 2005-07-25 | 2006-12-26 | 삼성전자주식회사 | 듀얼 포트를 갖는 디램에서의 리프레시 제어 방법 |
US7773421B2 (en) * | 2006-05-08 | 2010-08-10 | Macronix International Co., Ltd. | Method and apparatus for accessing memory with read error by changing comparison |
US8077516B2 (en) * | 2006-05-08 | 2011-12-13 | Macronix International Co., Ltd. | Method and apparatus for accessing memory with read error by changing comparison |
US20080080284A1 (en) * | 2006-09-15 | 2008-04-03 | Peter Mayer | Method and apparatus for refreshing memory cells of a memory |
KR20160011015A (ko) * | 2014-07-21 | 2016-01-29 | 에스케이하이닉스 주식회사 | 어드레스 생성회로 및 이를 포함하는 메모리 장치 |
US9490002B2 (en) | 2014-07-24 | 2016-11-08 | Rambus Inc. | Reduced refresh power |
KR102399475B1 (ko) * | 2015-12-28 | 2022-05-18 | 삼성전자주식회사 | 리프레쉬 콘트롤러 및 이를 포함하는 메모리 장치 |
US11811420B2 (en) * | 2022-01-21 | 2023-11-07 | Texas Instruments Incorporated | Digital-to-analog converter with cascaded least significant bit (LSB) interpolator circuit |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3705392A (en) * | 1971-09-07 | 1972-12-05 | Texas Instruments Inc | Mos dynamic memory |
US3729722A (en) * | 1971-09-17 | 1973-04-24 | Gte Automatic Electric Lab Inc | Dynamic mode integrated circuit memory with self-initiating refresh means |
US3737879A (en) * | 1972-01-05 | 1973-06-05 | Mos Technology Inc | Self-refreshing memory |
US3748651A (en) * | 1972-02-16 | 1973-07-24 | Cogar Corp | Refresh control for add-on semiconductor memory |
US3719932A (en) * | 1972-04-27 | 1973-03-06 | Sperry Rand Corp | Bit organized integrated mnos memory circuit with dynamic decoding and store-restore circuitry |
DE2247835C3 (de) * | 1972-09-29 | 1978-10-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zum Regenerieren der Speicherinhalte von MOS-Speichern und MOS-Speicher zur Durchführung dieses Verfahrens |
US3810129A (en) * | 1972-10-19 | 1974-05-07 | Ibm | Memory system restoration |
US3858184A (en) * | 1973-01-22 | 1974-12-31 | Monolithic Syst Corp | Automatic non-interrupting refresh technique |
US3846765A (en) * | 1973-02-14 | 1974-11-05 | Monolithic Syst Corp | Dynamic cell semiconductor memory with interlace refresh |
JPS5431655B2 (fr) * | 1973-03-22 | 1979-10-08 | ||
IT1002272B (it) * | 1973-12-27 | 1976-05-20 | Honeywell Inf Systems | Sistema di ricarica in memoria a semiconduttori |
US3962682A (en) * | 1974-10-30 | 1976-06-08 | Motorola, Inc. | Split low order internal address bus for microprocessor |
US4048481A (en) * | 1974-12-17 | 1977-09-13 | Honeywell Information Systems Inc. | Diagnostic testing apparatus and method |
JPS5178941A (en) * | 1974-12-31 | 1976-07-09 | Shimadzu Corp | Konpyuutano ram rifuretsushuhoshiki |
US3993981A (en) * | 1975-06-30 | 1976-11-23 | Honeywell Information Systems, Inc. | Apparatus for processing data transfer requests in a data processing system |
IT1041882B (it) * | 1975-08-20 | 1980-01-10 | Honeywell Inf Systems | Memoria dinamica a semiconduttori e relativo sistema di recarica |
US4142233A (en) * | 1975-10-30 | 1979-02-27 | Tokyo Shibaura Electric Co., Ltd. | Refreshing system for dynamic memory |
JPS5330A (en) * | 1976-06-24 | 1978-01-05 | Fujitsu Ltd | Refresh control system |
JPS5337337A (en) * | 1976-09-18 | 1978-04-06 | Nec Corp | Refresh control system for memory unit |
JPS5354429A (en) * | 1976-10-28 | 1978-05-17 | Hitachi Ltd | Memory device |
US4172282A (en) * | 1976-10-29 | 1979-10-23 | International Business Machines Corporation | Processor controlled memory refresh |
JPS5365631A (en) * | 1976-11-24 | 1978-06-12 | Fujitsu Ltd | Data processor |
US4131942A (en) * | 1977-01-10 | 1978-12-26 | Xerox Corporation | Non-volatile storage module for a controller |
US4079670A (en) * | 1977-06-10 | 1978-03-21 | Dataproducts | Phase lock font position and impact hammer timing control |
JPS544532A (en) * | 1977-06-13 | 1979-01-13 | Nec Corp | Automatic refresh device of idle-time retrieval type |
US4149270A (en) * | 1977-09-26 | 1979-04-10 | Westinghouse Electric Corp. | Variable threshold device memory circuit having automatic refresh feature |
JPS5472928A (en) * | 1977-11-24 | 1979-06-11 | Hitachi Ltd | Memory controller |
JPS5514530A (en) * | 1978-07-17 | 1980-02-01 | Casio Comput Co Ltd | Refresh control unit |
-
1979
- 1979-02-14 US US06/012,081 patent/US4317169A/en not_active Expired - Lifetime
-
1980
- 1980-02-07 AU AU55323/80A patent/AU532850B2/en not_active Ceased
- 1980-02-11 CA CA000345409A patent/CA1143851A/fr not_active Expired
- 1980-02-13 BE BE0/199379A patent/BE881697A/fr not_active IP Right Cessation
- 1980-02-13 FR FR8003144A patent/FR2456971B1/fr not_active Expired
- 1980-02-14 JP JP1612880A patent/JPS55108066A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA1143851A (fr) | 1983-03-29 |
AU532850B2 (en) | 1983-10-13 |
US4317169A (en) | 1982-02-23 |
AU5532380A (en) | 1980-08-21 |
FR2456971A1 (fr) | 1980-12-12 |
BE881697A (fr) | 1980-05-30 |
JPS55108066A (en) | 1980-08-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
AR | Application made for restoration | ||
DE | Withdrawal due to an action of restoration |