IT1171392B - Perfezionamento nei sistemi di memoria dinamici a semiconduttore - Google Patents
Perfezionamento nei sistemi di memoria dinamici a semiconduttoreInfo
- Publication number
- IT1171392B IT1171392B IT48909/81A IT4890981A IT1171392B IT 1171392 B IT1171392 B IT 1171392B IT 48909/81 A IT48909/81 A IT 48909/81A IT 4890981 A IT4890981 A IT 4890981A IT 1171392 B IT1171392 B IT 1171392B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- dynamic memory
- memory systems
- semiconductor dynamic
- semiconductor
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1048—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using arrangements adapted for a specific error detection or correction feature
- G06F11/106—Correcting systematically all correctable errors, i.e. scrubbing
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Dram (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Retry When Errors Occur (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/172,485 US4369510A (en) | 1980-07-25 | 1980-07-25 | Soft error rewrite control system |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8148909A0 IT8148909A0 (it) | 1981-07-15 |
IT1171392B true IT1171392B (it) | 1987-06-10 |
Family
ID=22627881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48909/81A IT1171392B (it) | 1980-07-25 | 1981-07-15 | Perfezionamento nei sistemi di memoria dinamici a semiconduttore |
Country Status (7)
Country | Link |
---|---|
US (1) | US4369510A (it) |
JP (1) | JPS5782300A (it) |
AU (1) | AU546314B2 (it) |
CA (1) | CA1168364A (it) |
DE (1) | DE3128729C2 (it) |
FR (1) | FR2487561B1 (it) |
IT (1) | IT1171392B (it) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4493081A (en) * | 1981-06-26 | 1985-01-08 | Computer Automation, Inc. | Dynamic memory with error correction on refresh |
US4535455A (en) * | 1983-03-11 | 1985-08-13 | At&T Bell Laboratories | Correction and monitoring of transient errors in a memory system |
US4542454A (en) * | 1983-03-30 | 1985-09-17 | Advanced Micro Devices, Inc. | Apparatus for controlling access to a memory |
FR2552916B1 (fr) * | 1983-09-29 | 1988-06-10 | Thomas Alain | File d'attente asynchrone a empilement de registres |
US4604750A (en) * | 1983-11-07 | 1986-08-05 | Digital Equipment Corporation | Pipeline error correction |
JPS61123957A (ja) * | 1984-11-21 | 1986-06-11 | Nec Corp | 記憶装置 |
JPS649756U (it) * | 1987-07-09 | 1989-01-19 | ||
JPH0194600A (ja) * | 1987-10-07 | 1989-04-13 | Fujitsu Ltd | メモリ管理方式 |
US4965717A (en) * | 1988-12-09 | 1990-10-23 | Tandem Computers Incorporated | Multiple processor system having shared memory with private-write capability |
US5473770A (en) * | 1993-03-02 | 1995-12-05 | Tandem Computers Incorporated | Fault-tolerant computer system with hidden local memory refresh |
US5495491A (en) * | 1993-03-05 | 1996-02-27 | Motorola, Inc. | System using a memory controller controlling an error correction means to detect and correct memory errors when and over a time interval indicated by registers in the memory controller |
EP0837392A1 (en) * | 1996-10-21 | 1998-04-22 | Texas Instruments Incorporated | A memory device with an error correction function |
US6085271A (en) * | 1998-04-13 | 2000-07-04 | Sandcraft, Inc. | System bus arbitrator for facilitating multiple transactions in a computer system |
US6701480B1 (en) * | 2000-03-08 | 2004-03-02 | Rockwell Automation Technologies, Inc. | System and method for providing error check and correction in memory systems |
US9459960B2 (en) | 2005-06-03 | 2016-10-04 | Rambus Inc. | Controller device for use with electrically erasable programmable memory chip with error detection and retry modes of operation |
US7831882B2 (en) | 2005-06-03 | 2010-11-09 | Rambus Inc. | Memory system with error detection and retry modes of operation |
US7562285B2 (en) | 2006-01-11 | 2009-07-14 | Rambus Inc. | Unidirectional error code transfer for a bidirectional data link |
US20070271495A1 (en) * | 2006-05-18 | 2007-11-22 | Ian Shaeffer | System to detect and identify errors in control information, read data and/or write data |
US8352805B2 (en) | 2006-05-18 | 2013-01-08 | Rambus Inc. | Memory error detection |
JP4791912B2 (ja) * | 2006-08-31 | 2011-10-12 | 株式会社東芝 | 不揮発性半導体記憶装置及び不揮発性記憶システム |
US8429470B2 (en) * | 2010-03-10 | 2013-04-23 | Micron Technology, Inc. | Memory devices, testing systems and methods |
US8347154B2 (en) * | 2010-09-21 | 2013-01-01 | International Business Machines Corporation | Use of hashing function to distinguish random and repeat errors in a memory system |
KR101178562B1 (ko) * | 2010-11-02 | 2012-09-03 | 에스케이하이닉스 주식회사 | 커맨드 제어회로 및 이를 포함하는 반도체 메모리 장치 및 커맨드 제어방법 |
KR101873526B1 (ko) | 2011-06-09 | 2018-07-02 | 삼성전자주식회사 | 에러 정정회로를 구비한 온 칩 데이터 스크러빙 장치 및 방법 |
US11361839B2 (en) | 2018-03-26 | 2022-06-14 | Rambus Inc. | Command/address channel error detection |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4072853A (en) * | 1976-09-29 | 1978-02-07 | Honeywell Information Systems Inc. | Apparatus and method for storing parity encoded data from a plurality of input/output sources |
JPS5381036A (en) * | 1976-12-27 | 1978-07-18 | Hitachi Ltd | Error correction-detection system |
US4183096A (en) * | 1978-05-25 | 1980-01-08 | Bell Telephone Laboratories, Incorporated | Self checking dynamic memory system |
US4185323A (en) * | 1978-07-20 | 1980-01-22 | Honeywell Information Systems Inc. | Dynamic memory system which includes apparatus for performing refresh operations in parallel with normal memory operations |
US4216541A (en) * | 1978-10-05 | 1980-08-05 | Intel Magnetics Inc. | Error repairing method and apparatus for bubble memories |
US4255808A (en) * | 1979-04-19 | 1981-03-10 | Sperry Corporation | Hard or soft cell failure differentiator |
-
1980
- 1980-07-25 US US06/172,485 patent/US4369510A/en not_active Expired - Lifetime
-
1981
- 1981-06-15 CA CA000379771A patent/CA1168364A/en not_active Expired
- 1981-06-26 AU AU72312/81A patent/AU546314B2/en not_active Ceased
- 1981-07-15 IT IT48909/81A patent/IT1171392B/it active
- 1981-07-21 DE DE3128729A patent/DE3128729C2/de not_active Expired
- 1981-07-21 FR FR818114175A patent/FR2487561B1/fr not_active Expired - Lifetime
- 1981-07-23 JP JP56114532A patent/JPS5782300A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5782300A (en) | 1982-05-22 |
FR2487561A1 (fr) | 1982-01-29 |
JPS6230665B2 (it) | 1987-07-03 |
US4369510A (en) | 1983-01-18 |
DE3128729A1 (de) | 1982-03-11 |
AU546314B2 (en) | 1985-08-29 |
FR2487561B1 (fr) | 1990-02-16 |
AU7231281A (en) | 1982-01-28 |
CA1168364A (en) | 1984-05-29 |
IT8148909A0 (it) | 1981-07-15 |
DE3128729C2 (de) | 1985-03-07 |
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Legal Events
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TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19951227 |