KR100785925B1 - Tcm을 이용한 멀티 레벨 셀 메모리 장치 - Google Patents
Tcm을 이용한 멀티 레벨 셀 메모리 장치 Download PDFInfo
- Publication number
- KR100785925B1 KR100785925B1 KR1020060123340A KR20060123340A KR100785925B1 KR 100785925 B1 KR100785925 B1 KR 100785925B1 KR 1020060123340 A KR1020060123340 A KR 1020060123340A KR 20060123340 A KR20060123340 A KR 20060123340A KR 100785925 B1 KR100785925 B1 KR 100785925B1
- Authority
- KR
- South Korea
- Prior art keywords
- bit string
- memory cell
- mlc
- cell
- tcm
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/10—Programming or data input circuits
-
- 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
- G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
- G11C11/5621—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using charge storage in a floating gate
- G11C11/5628—Programming or writing circuits; Data input circuits
-
- 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
- G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
- G11C11/5621—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using charge storage in a floating gate
- G11C11/5642—Sensing or reading circuits; Data output circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2211/00—Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C2211/56—Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups
- G11C2211/564—Miscellaneous aspects
- G11C2211/5641—Multilevel memory having cells with different number of storage levels
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1006—Data managing, e.g. manipulating data before writing or reading out, data bus switches or control circuits therefor
Abstract
Description
Claims (14)
- 데이터를 저장하는 멀티 레벨 셀(multi level cell) 메모리 장치에 있어서,MLC 메모리 셀;상기 데이터를 제1 인코딩 방법으로 인코딩하여 외부 인코딩된 비트열(outer encoded bit stream)을 생성하는 외부 인코더(outer encoder); 및상기 외부 인코딩된 비트열을 TCM 변조하여 생성된 프로그램 펄스(program pulse)를 상기 MLC 메모리 셀에 인가(apply)하여 상기 MLC 메모리 셀에 상기 데이터를 기록하는 TCM 변조부(TCM modulator)를 포함하는 것을 특징으로 하는 멀티 레벨 셀 메모리 장치.
- 제1항에 있어서,상기 제1 인코딩 방법은 선형 블록 인코딩(linear block encoding)인 것을 특징으로 하는 멀티 레벨 셀 메모리 장치.
- 제1항에 있어서,상기 MLC 메모리 셀은 m 비트 MLC 메모리 셀이고, 상기 프로그램 펄스는 상기 m 비트의 조합으로 생성 가능한 2m 개의 비트열에 대응하는 2m개의 레벨 중 하나인 것을 특징으로 하는 멀티 레벨 셀 메모리 장치.
- 제1항에 있어서,상기 TCM 변조부는 상기 외부 인코딩된 비트열의 부호화(encoding) 및 부호화된 외부 인코딩된 비트열의 신호 매핑이 결합되어 구성되는 것을 특징으로 하는 멀티 레벨 셀 메모리 장치.
- 제4항에 있어서,상기 부호화된 외부 인코딩된 비트열은 시스템적 코드(systematic code)인 것을 특징으로 하는 멀티 레벨 셀 메모리 장치.
- 제4항에 있어서,상기 부호화된 외부 인코딩된 비트열은 비시스템적 코드(nonsystematic code)인 것을 특징으로 하는 멀티 레벨 셀 메모리 장치.
- 제1항에 있어서,판독 신호(read signal)의 인가에 응답하여 상기 MLC 메모리 셀로부터 출력된 출력 펄스(output pulse)로부터 내부 디코딩된 비트열(inner decoded bit stream)을 생성하는 내부 디코더(inner decoder)를 더 포함하는 것을 특징으로 하는 멀티 레벨 셀 메모리 장치.
- 제7항에 있어서,상기 내부 디코더는 상기 출력 펄스를 디매핑하여 디매핑된 비트열을 생성하고, 상기 디매핑된 비트열을 비터비 디코딩(Viterbi decoding)하여 상기 내부 디코딩된 비트열을 생성하는 것을 특징으로 하는 멀티 레벨 셀 메모리 장치.
- 제7항에 있어서,상기 내부 디코더는 상기 출력 펄스로부터 경결정(hard decision)된 상기 디매핑된 비트열을 생성하는 것을 특징으로 하는 멀티 레벨 셀 메모리 장치.
- 제7항에 있어서,상기 내부 디코더는 상기 출력 펄스로부터 연결정(soft decision)된 상기 디매핑된 비트열을 생성하는 것을 특징으로 하는 멀티 레벨 셀 메모리 장치.
- 제7항에 있어서,상기 내부 디코딩된 비트열을 제1 디코딩 방법으로 디코딩하여 외부 디코딩된 비트열(outer decoded bit stream)을 생성하는 외부 디코더(outer decoder)를 더 포함하는 것을 특징으로 하는 멀티 레벨 셀 메모리 장치.
- 제11항에 있어서,상기 내부 디코더는 상기 디매핑된 비트열에서 검출된(detected) 오류를 정 정하여 상기 내부 디코딩된 비트열을 생성하고, 상기 외부 디코더는 상기 내부 디코딩된 비트열에서 검출된 오류를 정정하여 상기 외부 디코딩된 비트열을 생성하는 것을 특징으로 하는 멀티 레벨 셀 메모리 장치.
- 제11항에 있어서,상기 외부 디코더는 상기 외부 디코딩된 비트열에서 오류로 검출되었으나 정정되지 않은 오류를 보고하는 것을 특징으로 하는 멀티 레벨 셀 메모리 장치.
- 제1항에 있어서,상기 MLC 메모리 셀은 MLC 플래시 메모리의 메모리 셀인 것을 특징으로 하는 멀티 레벨 셀 메모리 장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060123340A KR100785925B1 (ko) | 2006-12-06 | 2006-12-06 | Tcm을 이용한 멀티 레벨 셀 메모리 장치 |
US11/802,334 US8020081B2 (en) | 2006-12-06 | 2007-05-22 | Multi-level cell memory devices using trellis coded modulation and methods of storing data in and reading data from the memory devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060123340A KR100785925B1 (ko) | 2006-12-06 | 2006-12-06 | Tcm을 이용한 멀티 레벨 셀 메모리 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100785925B1 true KR100785925B1 (ko) | 2007-12-17 |
Family
ID=39147099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060123340A KR100785925B1 (ko) | 2006-12-06 | 2006-12-06 | Tcm을 이용한 멀티 레벨 셀 메모리 장치 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8020081B2 (ko) |
KR (1) | KR100785925B1 (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101234373B1 (ko) * | 2011-04-28 | 2013-02-22 | 한국과학기술원 | 다차원 격자-rs 연접 부호의 다계층 복호 회로 및 방법, 이를 이용한 플래쉬 메모리 장치를 위한 오류 정정 회로, 및 플래쉬 메모리 장치 |
KR101736251B1 (ko) * | 2010-03-04 | 2017-05-17 | 삼성전자주식회사 | 메모리 시스템 |
KR101824227B1 (ko) | 2009-08-07 | 2018-02-05 | 삼성전자주식회사 | 메모리 시스템 및 그것의 프로그램 방법 |
CN113488093A (zh) * | 2021-07-01 | 2021-10-08 | 中国科学院上海微系统与信息技术研究所 | 一种实现存储器多级存储的方法及装置 |
Families Citing this family (80)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8650352B2 (en) | 2007-09-20 | 2014-02-11 | Densbits Technologies Ltd. | Systems and methods for determining logical values of coupled flash memory cells |
US8365040B2 (en) | 2007-09-20 | 2013-01-29 | Densbits Technologies Ltd. | Systems and methods for handling immediate data errors in flash memory |
US8694715B2 (en) | 2007-10-22 | 2014-04-08 | Densbits Technologies Ltd. | Methods for adaptively programming flash memory devices and flash memory systems incorporating same |
WO2009053961A2 (en) | 2007-10-25 | 2009-04-30 | Densbits Technologies Ltd. | Systems and methods for multiple coding rates in flash devices |
US8499229B2 (en) | 2007-11-21 | 2013-07-30 | Micro Technology, Inc. | Method and apparatus for reading data from flash memory |
US8607128B2 (en) | 2007-12-05 | 2013-12-10 | Densbits Technologies Ltd. | Low power chien-search based BCH/RS decoding system for flash memory, mobile communications devices and other applications |
WO2009072104A2 (en) | 2007-12-05 | 2009-06-11 | Densbits Technologies Ltd. | Flash memory device with physical cell value deterioration accommodation and methods useful in conjunction therewith |
WO2009072103A2 (en) | 2007-12-05 | 2009-06-11 | Densbits Technologies Ltd. | Flash memory apparatus and methods using a plurality of decoding stages including optional use of concatenated bch codes and/or designation of 'first below' cells |
WO2009074979A2 (en) * | 2007-12-12 | 2009-06-18 | Densbits Technologies Ltd. | Chien-search system employing a clock-gating scheme to save power for error correction decoder and other applications |
WO2009074978A2 (en) | 2007-12-12 | 2009-06-18 | Densbits Technologies Ltd. | Systems and methods for error correction and decoding on multi-level physical media |
US8327246B2 (en) | 2007-12-18 | 2012-12-04 | Densbits Technologies Ltd. | Apparatus for coding at a plurality of rates in multi-level flash memory systems, and methods useful in conjunction therewith |
KR20090097673A (ko) * | 2008-03-12 | 2009-09-16 | 삼성전자주식회사 | 연판정 값에 기반하여 메모리에 저장된 데이터를 검출하는장치 |
WO2009118720A2 (en) | 2008-03-25 | 2009-10-01 | Densbits Technologies Ltd. | Apparatus and methods for hardware-efficient unbiased rounding |
US8533563B2 (en) | 2008-03-31 | 2013-09-10 | Qimonda Ag | Memory read-out |
US8332725B2 (en) | 2008-08-20 | 2012-12-11 | Densbits Technologies Ltd. | Reprogramming non volatile memory portions |
US8458574B2 (en) | 2009-04-06 | 2013-06-04 | Densbits Technologies Ltd. | Compact chien-search based decoding apparatus and method |
US8819385B2 (en) | 2009-04-06 | 2014-08-26 | Densbits Technologies Ltd. | Device and method for managing a flash memory |
US8566510B2 (en) | 2009-05-12 | 2013-10-22 | Densbits Technologies Ltd. | Systems and method for flash memory management |
US8370702B2 (en) * | 2009-06-10 | 2013-02-05 | Micron Technology, Inc. | Error correcting codes for increased storage capacity in multilevel memory devices |
US8868821B2 (en) | 2009-08-26 | 2014-10-21 | Densbits Technologies Ltd. | Systems and methods for pre-equalization and code design for a flash memory |
US8305812B2 (en) | 2009-08-26 | 2012-11-06 | Densbits Technologies Ltd. | Flash memory module and method for programming a page of flash memory cells |
US8995197B1 (en) | 2009-08-26 | 2015-03-31 | Densbits Technologies Ltd. | System and methods for dynamic erase and program control for flash memory device memories |
US9330767B1 (en) | 2009-08-26 | 2016-05-03 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Flash memory module and method for programming a page of flash memory cells |
US8730729B2 (en) | 2009-10-15 | 2014-05-20 | Densbits Technologies Ltd. | Systems and methods for averaging error rates in non-volatile devices and storage systems |
US8724387B2 (en) | 2009-10-22 | 2014-05-13 | Densbits Technologies Ltd. | Method, system, and computer readable medium for reading and programming flash memory cells using multiple bias voltages |
US8626988B2 (en) | 2009-11-19 | 2014-01-07 | Densbits Technologies Ltd. | System and method for uncoded bit error rate equalization via interleaving |
US9037777B2 (en) | 2009-12-22 | 2015-05-19 | Densbits Technologies Ltd. | Device, system, and method for reducing program/read disturb in flash arrays |
US8607124B2 (en) | 2009-12-24 | 2013-12-10 | Densbits Technologies Ltd. | System and method for setting a flash memory cell read threshold |
US8700970B2 (en) | 2010-02-28 | 2014-04-15 | Densbits Technologies Ltd. | System and method for multi-dimensional decoding |
US9104610B2 (en) | 2010-04-06 | 2015-08-11 | Densbits Technologies Ltd. | Method, system and medium for analog encryption in a flash memory |
US8527840B2 (en) | 2010-04-06 | 2013-09-03 | Densbits Technologies Ltd. | System and method for restoring damaged data programmed on a flash device |
US8745317B2 (en) | 2010-04-07 | 2014-06-03 | Densbits Technologies Ltd. | System and method for storing information in a multi-level cell memory |
US9021177B2 (en) | 2010-04-29 | 2015-04-28 | Densbits Technologies Ltd. | System and method for allocating and using spare blocks in a flash memory |
US8468431B2 (en) | 2010-07-01 | 2013-06-18 | Densbits Technologies Ltd. | System and method for multi-dimensional encoding and decoding |
US8539311B2 (en) | 2010-07-01 | 2013-09-17 | Densbits Technologies Ltd. | System and method for data recovery in multi-level cell memories |
US8467249B2 (en) | 2010-07-06 | 2013-06-18 | Densbits Technologies Ltd. | Systems and methods for storing, retrieving, and adjusting read thresholds in flash memory storage system |
US9070427B2 (en) | 2010-08-13 | 2015-06-30 | Sandisk Technologies Inc. | Data coding using divisions of memory cell states |
US8964464B2 (en) | 2010-08-24 | 2015-02-24 | Densbits Technologies Ltd. | System and method for accelerated sampling |
US8508995B2 (en) | 2010-09-15 | 2013-08-13 | Densbits Technologies Ltd. | System and method for adjusting read voltage thresholds in memories |
US9063878B2 (en) | 2010-11-03 | 2015-06-23 | Densbits Technologies Ltd. | Method, system and computer readable medium for copy back |
US8850100B2 (en) | 2010-12-07 | 2014-09-30 | Densbits Technologies Ltd. | Interleaving codeword portions between multiple planes and/or dies of a flash memory device |
US10079068B2 (en) | 2011-02-23 | 2018-09-18 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Devices and method for wear estimation based memory management |
US8693258B2 (en) | 2011-03-17 | 2014-04-08 | Densbits Technologies Ltd. | Obtaining soft information using a hard interface |
US8990665B1 (en) | 2011-04-06 | 2015-03-24 | Densbits Technologies Ltd. | System, method and computer program product for joint search of a read threshold and soft decoding |
US9501392B1 (en) | 2011-05-12 | 2016-11-22 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Management of a non-volatile memory module |
US8996790B1 (en) | 2011-05-12 | 2015-03-31 | Densbits Technologies Ltd. | System and method for flash memory management |
US9372792B1 (en) | 2011-05-12 | 2016-06-21 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Advanced management of a non-volatile memory |
US9110785B1 (en) | 2011-05-12 | 2015-08-18 | Densbits Technologies Ltd. | Ordered merge of data sectors that belong to memory space portions |
US9195592B1 (en) | 2011-05-12 | 2015-11-24 | Densbits Technologies Ltd. | Advanced management of a non-volatile memory |
US9396106B2 (en) | 2011-05-12 | 2016-07-19 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Advanced management of a non-volatile memory |
US8667211B2 (en) | 2011-06-01 | 2014-03-04 | Densbits Technologies Ltd. | System and method for managing a non-volatile memory |
US8880977B2 (en) * | 2011-07-22 | 2014-11-04 | Sandisk Technologies Inc. | Systems and methods of storing data |
US8588003B1 (en) | 2011-08-01 | 2013-11-19 | Densbits Technologies Ltd. | System, method and computer program product for programming and for recovering from a power failure |
US8553468B2 (en) | 2011-09-21 | 2013-10-08 | Densbits Technologies Ltd. | System and method for managing erase operations in a non-volatile memory |
US8996788B2 (en) | 2012-02-09 | 2015-03-31 | Densbits Technologies Ltd. | Configurable flash interface |
US8947941B2 (en) | 2012-02-09 | 2015-02-03 | Densbits Technologies Ltd. | State responsive operations relating to flash memory cells |
US8996793B1 (en) | 2012-04-24 | 2015-03-31 | Densbits Technologies Ltd. | System, method and computer readable medium for generating soft information |
US8838937B1 (en) | 2012-05-23 | 2014-09-16 | Densbits Technologies Ltd. | Methods, systems and computer readable medium for writing and reading data |
US8879325B1 (en) | 2012-05-30 | 2014-11-04 | Densbits Technologies Ltd. | System, method and computer program product for processing read threshold information and for reading a flash memory module |
US9921954B1 (en) | 2012-08-27 | 2018-03-20 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Method and system for split flash memory management between host and storage controller |
US9368225B1 (en) | 2012-11-21 | 2016-06-14 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Determining read thresholds based upon read error direction statistics |
US9069659B1 (en) | 2013-01-03 | 2015-06-30 | Densbits Technologies Ltd. | Read threshold determination using reference read threshold |
US9136876B1 (en) | 2013-06-13 | 2015-09-15 | Densbits Technologies Ltd. | Size limited multi-dimensional decoding |
US9413491B1 (en) | 2013-10-08 | 2016-08-09 | Avago Technologies General Ip (Singapore) Pte. Ltd. | System and method for multiple dimension decoding and encoding a message |
US9786388B1 (en) | 2013-10-09 | 2017-10-10 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Detecting and managing bad columns |
US9397706B1 (en) | 2013-10-09 | 2016-07-19 | Avago Technologies General Ip (Singapore) Pte. Ltd. | System and method for irregular multiple dimension decoding and encoding |
US9348694B1 (en) | 2013-10-09 | 2016-05-24 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Detecting and managing bad columns |
US9536612B1 (en) | 2014-01-23 | 2017-01-03 | Avago Technologies General Ip (Singapore) Pte. Ltd | Digital signaling processing for three dimensional flash memory arrays |
US10120792B1 (en) | 2014-01-29 | 2018-11-06 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Programming an embedded flash storage device |
US9542262B1 (en) | 2014-05-29 | 2017-01-10 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Error correction |
US9892033B1 (en) | 2014-06-24 | 2018-02-13 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Management of memory units |
US9972393B1 (en) | 2014-07-03 | 2018-05-15 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Accelerating programming of a flash memory module |
US9584159B1 (en) | 2014-07-03 | 2017-02-28 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Interleaved encoding |
US9449702B1 (en) | 2014-07-08 | 2016-09-20 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Power management |
US9524211B1 (en) | 2014-11-18 | 2016-12-20 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Codeword management |
US10305515B1 (en) | 2015-02-02 | 2019-05-28 | Avago Technologies International Sales Pte. Limited | System and method for encoding using multiple linear feedback shift registers |
US10628255B1 (en) | 2015-06-11 | 2020-04-21 | Avago Technologies International Sales Pte. Limited | Multi-dimensional decoding |
US9851921B1 (en) | 2015-07-05 | 2017-12-26 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Flash memory chip processing |
US9954558B1 (en) | 2016-03-03 | 2018-04-24 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Fast decoding of data stored in a flash memory |
US10872009B2 (en) * | 2018-02-08 | 2020-12-22 | Micron Technology, Inc. | Mitigating a voltage condition of a memory cell in a memory sub-system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040081074A1 (en) * | 2002-08-15 | 2004-04-29 | Kabushiki Kaisha Toshiba | Signal decoding methods and apparatus |
US20040161048A1 (en) * | 2003-02-13 | 2004-08-19 | Broadcom Corporation | Method and apparatus for performing trellis coded modulation of signals for transmission on a TDMA channel of a cable network |
US7088784B2 (en) * | 2003-10-02 | 2006-08-08 | Nokia Corporation | Coded modulation for partially coherent systems |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6522688B1 (en) * | 1999-01-14 | 2003-02-18 | Eric Morgan Dowling | PCM codec and modem for 56K bi-directional transmission |
US6597732B1 (en) * | 1999-01-14 | 2003-07-22 | Eric Morgan Dowling | High-speed modem with uplink remote-echo canceller |
US8055979B2 (en) * | 2006-01-20 | 2011-11-08 | Marvell World Trade Ltd. | Flash memory with coding and signal processing |
US7844879B2 (en) * | 2006-01-20 | 2010-11-30 | Marvell World Trade Ltd. | Method and system for error correction in flash memory |
-
2006
- 2006-12-06 KR KR1020060123340A patent/KR100785925B1/ko active IP Right Grant
-
2007
- 2007-05-22 US US11/802,334 patent/US8020081B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040081074A1 (en) * | 2002-08-15 | 2004-04-29 | Kabushiki Kaisha Toshiba | Signal decoding methods and apparatus |
US20040161048A1 (en) * | 2003-02-13 | 2004-08-19 | Broadcom Corporation | Method and apparatus for performing trellis coded modulation of signals for transmission on a TDMA channel of a cable network |
US7088784B2 (en) * | 2003-10-02 | 2006-08-08 | Nokia Corporation | Coded modulation for partially coherent systems |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101824227B1 (ko) | 2009-08-07 | 2018-02-05 | 삼성전자주식회사 | 메모리 시스템 및 그것의 프로그램 방법 |
KR101736251B1 (ko) * | 2010-03-04 | 2017-05-17 | 삼성전자주식회사 | 메모리 시스템 |
KR101234373B1 (ko) * | 2011-04-28 | 2013-02-22 | 한국과학기술원 | 다차원 격자-rs 연접 부호의 다계층 복호 회로 및 방법, 이를 이용한 플래쉬 메모리 장치를 위한 오류 정정 회로, 및 플래쉬 메모리 장치 |
CN113488093A (zh) * | 2021-07-01 | 2021-10-08 | 中国科学院上海微系统与信息技术研究所 | 一种实现存储器多级存储的方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
US8020081B2 (en) | 2011-09-13 |
US20080137413A1 (en) | 2008-06-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100785925B1 (ko) | Tcm을 이용한 멀티 레벨 셀 메모리 장치 | |
KR100822030B1 (ko) | 고 부호화율 부호를 이용한 멀티 레벨 셀 메모리 장치 | |
KR100766042B1 (ko) | 연접 부호화를 이용한 멀티 레벨 셀 메모리 장치 | |
KR100845529B1 (ko) | 플래시 메모리 장치의 이씨씨 제어기 및 그것을 포함한메모리 시스템 | |
US7533328B2 (en) | Method of error correction in a multi-bit-per-cell flash memory | |
JP3999822B2 (ja) | 記憶システム | |
KR102059209B1 (ko) | 비휘발성 메모리의 차동 벡터 저장 | |
KR100842680B1 (ko) | 플래시 메모리 장치의 오류 정정 컨트롤러 및 그것을포함하는 메모리 시스템 | |
TWI501238B (zh) | 藉由調變編碼用於單元間干擾抑制的方法及裝置 | |
US9582359B2 (en) | Write mapping to mitigate hard errors via soft-decision decoding | |
US8276046B2 (en) | Apparatus for determining number of bits to be stored in memory cell | |
US7831881B2 (en) | Apparatus and method for hybrid detection of memory data | |
US8386890B2 (en) | Error correction for multilevel flash memory | |
US8239726B2 (en) | Apparatuses and methods for encoding and decoding | |
Motwani | Hierarchical constrained coding for floating-gate to floating-gate coupling mitigation in flash memory | |
KR20080052288A (ko) | 연접 부호화를 이용한 멀티 레벨 셀 메모리 장치 | |
CN112133362A (zh) | 存储器存储装置及其存储器测试方法 | |
JP3866674B2 (ja) | 記憶システム | |
IL196239A (en) | Method of error correction in a multi-bit-per-cell flash memory |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121115 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20131122 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20141119 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20151116 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20161118 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20171120 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20181119 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20191119 Year of fee payment: 13 |