IT7826807A0 - Correzione dei doppi errori nei bits utilizzando un sistema logico per la correzione dei singoli errori nei bits e per la rivelazione dei doppi errori nei bits ed una memoria per i bits di sindrome. - Google Patents
Correzione dei doppi errori nei bits utilizzando un sistema logico per la correzione dei singoli errori nei bits e per la rivelazione dei doppi errori nei bits ed una memoria per i bits di sindrome.Info
- Publication number
- IT7826807A0 IT7826807A0 IT7826807A IT2680778A IT7826807A0 IT 7826807 A0 IT7826807 A0 IT 7826807A0 IT 7826807 A IT7826807 A IT 7826807A IT 2680778 A IT2680778 A IT 2680778A IT 7826807 A0 IT7826807 A0 IT 7826807A0
- Authority
- IT
- Italy
- Prior art keywords
- bits
- errors
- correction
- double
- memory
- Prior art date
Links
- 238000012937 correction Methods 0.000 title 2
- 238000001514 detection method Methods 0.000 title 1
- 230000015654 memory Effects 0.000 title 1
- 208000011580 syndromic disease Diseases 0.000 title 1
Classifications
-
- 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
- G06F11/1044—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 with specific ECC/EDC distribution
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Detection And Correction Of Errors (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/827,540 US4139148A (en) | 1977-08-25 | 1977-08-25 | Double bit error correction using single bit error correction, double bit error detection logic and syndrome bit memory |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7826807A0 true IT7826807A0 (it) | 1978-08-17 |
IT1192266B IT1192266B (it) | 1988-03-31 |
Family
ID=25249481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26807/78A IT1192266B (it) | 1977-08-25 | 1978-08-17 | Correzione dei doppi errori nei bits utilizzando un sistema logico per la correzione dei singoli errori nei bits e per la rivelazione dei doppi errori nei bits ed una memoria per i bits di sindrome |
Country Status (6)
Country | Link |
---|---|
US (1) | US4139148A (it) |
JP (1) | JPS5446444A (it) |
CA (1) | CA1105145A (it) |
DE (1) | DE2835533A1 (it) |
FR (1) | FR2401491A1 (it) |
IT (1) | IT1192266B (it) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4201337A (en) * | 1978-09-01 | 1980-05-06 | Ncr Corporation | Data processing system having error detection and correction circuits |
US4241446A (en) * | 1978-10-16 | 1980-12-23 | Honeywell Information Systems Inc. | Apparatus for performing single error correction and double error detection |
US4506362A (en) * | 1978-12-22 | 1985-03-19 | Gould Inc. | Systematic memory error detection and correction apparatus and method |
US4251863A (en) * | 1979-03-15 | 1981-02-17 | Sperry Corporation | Apparatus for correction of memory errors |
US4277844A (en) * | 1979-07-26 | 1981-07-07 | Storage Technology Corporation | Method of detecting and correcting errors in digital data storage systems |
US4319357A (en) * | 1979-12-14 | 1982-03-09 | International Business Machines Corp. | Double error correction using single error correcting code |
US4604751A (en) * | 1984-06-29 | 1986-08-05 | International Business Machines Corporation | Error logging memory system for avoiding miscorrection of triple errors |
US4661955A (en) * | 1985-01-18 | 1987-04-28 | Ibm Corporation | Extended error correction for package error correction codes |
US5418796A (en) * | 1991-03-26 | 1995-05-23 | International Business Machines Corporation | Synergistic multiple bit error correction for memory of array chips |
US5491702A (en) * | 1992-07-22 | 1996-02-13 | Silicon Graphics, Inc. | Apparatus for detecting any single bit error, detecting any two bit error, and detecting any three or four bit error in a group of four bits for a 25- or 64-bit data word |
US5533035A (en) * | 1993-06-16 | 1996-07-02 | Hal Computer Systems, Inc. | Error detection and correction method and apparatus |
US5701313A (en) * | 1995-02-24 | 1997-12-23 | Unisys Corporation | Method and apparatus for removing soft errors from a memory |
US5666371A (en) * | 1995-02-24 | 1997-09-09 | Unisys Corporation | Method and apparatus for detecting errors in a system that employs multi-bit wide memory elements |
US5511164A (en) * | 1995-03-01 | 1996-04-23 | Unisys Corporation | Method and apparatus for determining the source and nature of an error within a computer system |
US5596716A (en) * | 1995-03-01 | 1997-01-21 | Unisys Corporation | Method and apparatus for indicating the severity of a fault within 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 |
US7143328B1 (en) | 2001-08-29 | 2006-11-28 | Silicon Image, Inc. | Auxiliary data transmitted within a display's serialized data stream |
US7797609B2 (en) * | 2004-08-19 | 2010-09-14 | Unisys Corporation | Apparatus and method for merging data blocks with error correction code protection |
US7506226B2 (en) * | 2006-05-23 | 2009-03-17 | Micron Technology, Inc. | System and method for more efficiently using error correction codes to facilitate memory device testing |
US20080052598A1 (en) * | 2006-08-09 | 2008-02-28 | Aksamit Slavek P | Memory multi-bit error correction and hot replace without mirroring |
TW200947450A (en) * | 2008-05-09 | 2009-11-16 | A Data Technology Co Ltd | Storage system capable of data recovery and method thereof |
US8640005B2 (en) * | 2010-05-21 | 2014-01-28 | Intel Corporation | Method and apparatus for using cache memory in a system that supports a low power state |
US8533557B2 (en) | 2011-01-28 | 2013-09-10 | Infineon Technologies Ag | Device and method for error correction and protection against data corruption |
US9411678B1 (en) | 2012-08-01 | 2016-08-09 | Rambus Inc. | DRAM retention monitoring method for dynamic error correction |
US9430324B2 (en) | 2013-05-24 | 2016-08-30 | Rambus Inc. | Memory repair method and apparatus based on error code tracking |
KR102453437B1 (ko) | 2018-01-25 | 2022-10-12 | 삼성전자주식회사 | 반도체 메모리 장치, 이를 포함하는 메모리 시스템 및 반도체 메모리 장치의 동작 방법 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3755779A (en) * | 1971-12-14 | 1973-08-28 | Ibm | Error correction system for single-error correction, related-double-error correction and unrelated-double-error detection |
US3893071A (en) * | 1974-08-19 | 1975-07-01 | Ibm | Multi level error correction system for high density memory |
US3917933A (en) * | 1974-12-17 | 1975-11-04 | Sperry Rand Corp | Error logging in LSI memory storage units using FIFO memory of LSI shift registers |
US3949208A (en) * | 1974-12-31 | 1976-04-06 | International Business Machines Corporation | Apparatus for detecting and correcting errors in an encoded memory word |
US4005405A (en) * | 1975-05-07 | 1977-01-25 | Data General Corporation | Error detection and correction in data processing systems |
US4030067A (en) * | 1975-12-29 | 1977-06-14 | Honeywell Information Systems, Inc. | Table lookup direct decoder for double-error correcting (DEC) BCH codes using a pair of syndromes |
-
1977
- 1977-08-25 US US05/827,540 patent/US4139148A/en not_active Expired - Lifetime
-
1978
- 1978-07-26 CA CA308,214A patent/CA1105145A/en not_active Expired
- 1978-08-14 DE DE19782835533 patent/DE2835533A1/de not_active Withdrawn
- 1978-08-17 IT IT26807/78A patent/IT1192266B/it active
- 1978-08-23 FR FR7824442A patent/FR2401491A1/fr active Pending
- 1978-08-25 JP JP10279578A patent/JPS5446444A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2835533A1 (de) | 1979-03-01 |
US4139148A (en) | 1979-02-13 |
IT1192266B (it) | 1988-03-31 |
CA1105145A (en) | 1981-07-14 |
FR2401491A1 (fr) | 1979-03-23 |
JPS5446444A (en) | 1979-04-12 |
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