KR100904752B1 - 인접 메모리 셀과의 필드 커플링에 의해 영향을 받는메모리 셀로부터 데이터를 복원시키는 기법 - Google Patents
인접 메모리 셀과의 필드 커플링에 의해 영향을 받는메모리 셀로부터 데이터를 복원시키는 기법 Download PDFInfo
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- KR100904752B1 KR100904752B1 KR1020030002677A KR20030002677A KR100904752B1 KR 100904752 B1 KR100904752 B1 KR 100904752B1 KR 1020030002677 A KR1020030002677 A KR 1020030002677A KR 20030002677 A KR20030002677 A KR 20030002677A KR 100904752 B1 KR100904752 B1 KR 100904752B1
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- 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
- G11C16/26—Sensing or reading circuits; Data output circuits
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- 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
- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
- G11C16/3418—Disturbance prevention or evaluation; Refreshing of disturbed memory data
- G11C16/3431—Circuits or methods to detect disturbed nonvolatile memory cells, e.g. which still read as programmed but with threshold less than the program verify threshold or read as erased but with threshold greater than the erase verify threshold, and to reverse the disturbance via a refreshing programming or erasing step
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- 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
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- 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
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- 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
- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
- G11C16/3418—Disturbance prevention or evaluation; Refreshing of disturbed memory data
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Abstract
Description
Claims (23)
- 제1 그룹의 개개의 메모리 셀들의 저장소자들에 복수의 전하 레벨들의 상이한 레벨들로서 저장된 다중 비트의 데이터를 판독하는 방법에 있어서, 판독된 데이터가 상기 제1 그룹의 메모리 셀들의 저장소자들이 필드 결합된 제2 그룹의 인접 메모리 셀들의 저장소자들에 복수의 전하 레벨들의 상이한 레벨들로서 저장된 다른 데이터에 의해 오류를 일으키고, 상기 방법은,상기 제2 그룹의 메모리 셀들의 저장소자들에 저장된 전하 레벨들을 판독하여, 상기 제2 그룹의 메모리 셀들에 저장된 데이터를 판독하는 단계;상기 제2 그룹의 메모리 셀들의 저장소자들로부터 판독된 데이터를 상기 제1 또는 제2 그룹의 메모리 셀들의 외측 위치에 저장하는 단계;상기 제2 그룹의 메모리 셀들의 개개의 저장소자들에 저장된 전하 레벨들을 변경시켜, 상기 제1 그룹의 메모리 셀들의 저장소자들에 저장된 겉보기 전하 레벨들을 변경시키는 단계; 및상기 제1 그룹의 메모리 셀들의 저장소자들에 저장된 전하 레벨들을 판독하여, 상기 제2 그룹의 메모리 셀들의 저장소자들에 저장된 변경된 전하 레벨들로 상기 제1 그룹의 메모리 셀들의 저장소자들에 저장된 데이터를 판독하는 단계;를 포함하는 데이터 판독 방법.
- 제1항에 있어서, 상기 제2 그룹의 메모리 셀들의 개개의 저장소자들에 저장된 전하 레벨들을 변경시키는 단계는 상기 제2 그룹의 메모리 셀들의 개개의 저장소자들에 저장된 전하 레벨들을 공통 전하 레벨로 설정하는 단계를 포함하는 것을 특징으로 하는 데이터 판독 방법.
- 제2항에 있어서, 상기 공통 전하 레벨은 상기 복수의 전하 레벨들 중 최고 레벨이고, 상기 최고 레벨에 의해 상기 제1 그룹의 메모리 셀들의 저장소자들에 데이터가 저장되는 것을 특징으로 하는 데이터 판독 방법.
- 제3항에 있어서, 상기 메모리 셀들의 개개의 저장소자들에 저장된 상기 복수의 전하 레벨들은 2개 이상의 전하 레벨들이고, 상기 2개 이상의 전하 레벨들에 의해 1 비트 이상의 데이터를 상기 개개의 저장소자들에 저장하는 것을 특징으로 하는 데이터 판독 방법.
- 제1항에 있어서, 상기 메모리 셀들의 개개의 저장소자들에 저장된 상기 복수의 전하 레벨들은 2개의 전하 레벨들이고, 상기 2개의 전하 레벨들에 의해 1 비트의 데이터를 상기 개개의 저장소자들에 저장하는 것을 특징으로 하는 데이터 판독 방법.
- 제1항에 있어서, 전하 레벨들이 상기 제1 그룹의 메모리 셀들의 저장소자들에 최초에 저장되고, 그 후에 상기 제2 그룹의 메모리 셀들의 저장소자들에 저장되는 것을 특징으로 하는 데이터 판독 방법.
- 제6항에 있어서, 상기 방법은 메모리 셀들의 NAND 어레이의 부분으로서 상기 제1 및 제2 그룹의 메모리 셀들에서 실행되는 것을 특징으로 하는 데이터 판독 방법.
- 제1항에 있어서, 상기 방법은 메모리 셀당 하나의 저장소자를 가진 메모리 셀들의 NOR 어레이의 부분으로서 상기 제1 및 제2 그룹의 메모리 셀들에서 실행되는 것을 특징으로 하는 데이터 판독 방법.
- 제1항에 있어서, 상기 방법은 메모리 셀당 2개의 저장소자들을 가진 NOR 어레이의 메모리 셀들의 부분으로서 상기 제1 및 제2 그룹의 메모리 셀들에서 실행되는 것을 특징으로 하는 데이터 판독 방법.
- 제1항에 있어서, 상기 제1 및 제2 그룹의 메모리 셀들은 저장소자들이 전도성 플로팅 게이트들인 비휘발성 메모리 셀들의 어레이의 부분인 것을 특징으로 하는 데이터 판독 방법.
- 제1항에 있어서, 상기 제1 및 제2 그룹의 메모리 셀들은 저장소자들이 유전체의 영역으로 규정된 비휘발성 메모리 셀의 어레이의 부분인 것을 특징으로 하는 데이터 판독 방법.
- 상호 필드 결합된 저장소자들의 전하 레벨들을 가진 제1 및 제2 그룹의 메모리 셀들을 포함하는 메모리 셀들의 어레이에서, 상기 메모리 셀들의 개개의 저장소자들에 복수의 전하 레벨들의 상이한 레벨들로서 저장된 데이터를 판독하는 방법에 있어서,상기 제1 그룹의 메모리 셀들의 저장소자들에 저장된 전하 레벨들을 제1 판독 기준 레벨을 사용하여 판독하여, 상기 제1 그룹의 메모리 셀들의 저장소자들에 저장된 데이터를 판독하는 단계;상기 제1 그룹의 메모리 셀들의 저장소자들로부터 판독된 데이터가 유효한지 여부를 결정하는 단계;상기 제1 그룹의 메모리 셀들의 저장소자들로부터 판독된 데이터가 유효하지 않다고 결정되는 경우, 상기 제2 그룹의 메모리 셀들의 저장소자들에 저장된 전하 레벨들을 판독하여, 상기 제2 그룹의 메모리 셀들에 저장된 데이터를 판독하는 단계;상기 제2 그룹의 메모리 셀들로부터 판독된 데이터를 저장하는 단계;상기 제2 그룹의 메모리 셀들의 개개의 저장소자들에 저장된 전하 레벨들을 변경시켜, 상기 제1 및 제2 그룹의 메모리 셀들의 저장소자들 간의 필드 결합으로 인한 상기 제1 그룹의 메모리 셀들의 저장소자들에 저장된 겉보기 전하 레벨들을 변경시키는 단계; 및상기 제1 그룹의 메모리 셀들의 저장소자들에 저장된 전하 레벨들을 상기 제1 판독 기준 레벨과 다른 제2 판독 기준 레벨을 사용하여 판독하여, 상기 제1 및 제2 그룹의 메모리 셀들의 저장소자들 간의 필드 결합의 효과가 보상된 상기 제1 그룹의 메모리 셀들에 저장된 데이터를 판독하는 단계;를 포함하는 데이터 판독 방법.
- 제12항에 있어서, 상기 제2 그룹의 메모리 셀들의 개개의 저장소자들에 저장된 전하 레벨들을 변경시키는 단계는 상기 제2 그룹의 메모리 셀들의 개개의 저장소자에 저장된 전하 레벨들을 상기 복수의 전하 레벨들 중 최고 레벨과 적어도 동일한 공통 전하 레벨로 설정하는 단계를 포함하고, 상기 최고 레벨에 의해 상기 제1 그룹의 메모리 셀들의 저장소자들에 데이터가 저장되는 것을 특징으로 하는 데이터 판독 방법.
- 제13항에 있어서, 상기 제2 판독 기준 레벨은 상기 제1 판독 기준 레벨보다 높은 것을 특징으로 하는 데이터 판독 방법.
- 제14항에 있어서, 상기 메모리 셀들의 개개의 저장소자들에 저장된 상기 복수 전하 레벨들은 2개 이상의 전하 레벨들이고, 상기 2개 이상의 전하 레벨들에 의해 1 비트 이상의 데이터를 상기 개개의 저장소자들에 저장하는 것을 특징으로 하는 데이터 판독 방법.
- 제12항에 있어서, 상기 제1 그룹의 메모리 셀들의 저장소자들로부터 판독된 데이터가 유효한지 여부를 결정하는 단계는 상기 제1 그룹의 메모리 셀들의 데이터를 프로그래밍할 때 저장된 에러 보정 코드를 사용하는 단계를 포함하는 것을 특징으로 하는 데이터 판독 방법.
- 제16항에 있어서, 상기 메모리 셀들의 개개의 저장소자들에 저장된 복수의 전하 레벨들은 2개 이상의 전하 레벨들이고, 상기 2개 이상의 전하 레벨들에 의해 1 비트 이상의 데이터를 상기 개개의 저장소자들에 저장하는 것을 특징으로 하는 데이터 판독 방법.
- 제12항에 있어서, 상기 메모리 셀들의 개개의 저장소자들에 저장된 복수의 전하 레벨들은 2개 이상의 전하 레벨들이고, 상기 2개 이상의 전하 레벨들에 의해 1 비트 이상의 데이터를 상기 개개의 저장소자들에 저장하는 것을 특징으로 하는 데이터 판독 방법.
- 제18항에 있어서, 상기 메모리 셀들의 어레이의 상기 메모리 셀들은 플래시 EEPROM 셀들인 것을 특징으로 하는 데이터 저장 방법.
- 제12항에 있어서, 상기 방법은 상기 제1 및 제2 그룹이 셀들이 각각의 제1 및 제2 인접 열들의 셀들을 포함하는 메모리 셀들의 어레이에서 실행되는 것을 특징으로 하는 데이터 저장 방법.
- 인접한 열들이 상호 용량성 결합되며 개개의 셀들에 저장된 전하 레벨들을 제1 프로그래밍 단계에서 4개 이상의 전하 레벨들 중 하나로 그리고 제2 프로그래밍 단계에서 적어도 최고 2개 이상의 전하 레벨들 중 하나로 증가시킴으로써 고정된 시퀀스에서 프로그래밍되고, 행들을 형성하기 위해 NAND 스트링들에서 연결되며 셀들의 열들 위로 행들을 가로질러 연장하는 워드라인들을 구비한 메모리 셀들의 어레이를 포함하는 플래시 비휘발성 메모리 시스템에서, 인접한 제2 열에 후속하여 저장된 데이터로 인해 무효로서 판독된 제1 열에 저장된 데이터를 재구성하는 방법에 있어서,상기 제2 열의 셀들에 저장된 전하 레벨들을 판독하고, 이에 의해 나타난 데이터를 메모리 시스템 내의 다른 위치에 기입하는 단계;상기 제2 열의 개개의 셀들의 전하 레벨들을 프로그래밍된 레벨들로부터 최고 프로그래밍 전하 레벨로 증가시키는 단계; 및상기 제1 열의 셀들에 저장된 전하 레벨들을 판독하는 단계;를 포함하는 데이터 재구성 방법.
- 제21항에 있어서, 상기 방법은 메모리 셀들이 전하 레벨들을 전도성 플로팅 게이트들에 저장하는 메모리 시스템에서 실행되는 것을 특징으로 하는 데이터 재구성 방법.
- 제21항에 있어서, 상기 방법은 메모리 셀들이 전하 레벨들을 유전체에 저장하는 메모리 시스템에서 실행되는 것을 특징으로 하는 데이터 재구성 방법.
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US10/052,759 | 2002-01-18 | ||
US10/052,759 US6542407B1 (en) | 2002-01-18 | 2002-01-18 | Techniques of recovering data from memory cells affected by field coupling with adjacent memory cells |
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KR20030063144A KR20030063144A (ko) | 2003-07-28 |
KR100904752B1 true KR100904752B1 (ko) | 2009-06-29 |
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US (3) | US6542407B1 (ko) |
EP (1) | EP1329898B1 (ko) |
JP (1) | JP4310114B2 (ko) |
KR (1) | KR100904752B1 (ko) |
AT (1) | ATE397273T1 (ko) |
DE (1) | DE60321252D1 (ko) |
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KR20120013841A (ko) * | 2010-08-06 | 2012-02-15 | 삼성전자주식회사 | 비휘발성 메모리 장치의 데이터 판독 방법 |
Families Citing this family (282)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5019681B2 (ja) | 2001-04-26 | 2012-09-05 | ルネサスエレクトロニクス株式会社 | 薄膜磁性体記憶装置 |
US7108975B2 (en) * | 2001-09-21 | 2006-09-19 | Regents Of The University Of Michigan | Atlastin |
JP2003134414A (ja) * | 2001-10-22 | 2003-05-09 | Pioneer Electronic Corp | 映像処理装置及び映像処理方法並びに映像処理用プログラム |
US6542407B1 (en) * | 2002-01-18 | 2003-04-01 | Sandisk Corporation | Techniques of recovering data from memory cells affected by field coupling with adjacent memory cells |
US6781877B2 (en) * | 2002-09-06 | 2004-08-24 | Sandisk Corporation | Techniques for reducing effects of coupling between storage elements of adjacent rows of memory cells |
US6829167B2 (en) * | 2002-12-12 | 2004-12-07 | Sandisk Corporation | Error recovery for nonvolatile memory |
US7233522B2 (en) * | 2002-12-31 | 2007-06-19 | Sandisk 3D Llc | NAND memory array incorporating capacitance boosting of channel regions in unselected memory cells and method for operation of same |
US7505321B2 (en) * | 2002-12-31 | 2009-03-17 | Sandisk 3D Llc | Programmable memory array structure incorporating series-connected transistor strings and methods for fabrication and operation of same |
US7233024B2 (en) | 2003-03-31 | 2007-06-19 | Sandisk 3D Llc | Three-dimensional memory device incorporating segmented bit line memory array |
US6879505B2 (en) * | 2003-03-31 | 2005-04-12 | Matrix Semiconductor, Inc. | Word line arrangement having multi-layer word line segments for three-dimensional memory array |
US6839281B2 (en) | 2003-04-14 | 2005-01-04 | Jian Chen | Read and erase verify methods and circuits suitable for low voltage non-volatile memories |
US6988175B2 (en) * | 2003-06-30 | 2006-01-17 | M-Systems Flash Disk Pioneers Ltd. | Flash memory management method that is resistant to data corruption by power loss |
KR100512181B1 (ko) * | 2003-07-11 | 2005-09-05 | 삼성전자주식회사 | 멀티 레벨 셀을 갖는 플래시 메모리 장치와 그것의 독출방법 및 프로그램 방법 |
US6914823B2 (en) * | 2003-07-29 | 2005-07-05 | Sandisk Corporation | Detecting over programmed memory after further programming |
US6917542B2 (en) | 2003-07-29 | 2005-07-12 | Sandisk Corporation | Detecting over programmed memory |
US6996004B1 (en) * | 2003-11-04 | 2006-02-07 | Advanced Micro Devices, Inc. | Minimization of FG-FG coupling in flash memory |
US20050128807A1 (en) * | 2003-12-05 | 2005-06-16 | En-Hsing Chen | Nand memory array incorporating multiple series selection devices and method for operation of same |
US7221588B2 (en) * | 2003-12-05 | 2007-05-22 | Sandisk 3D Llc | Memory array incorporating memory cells arranged in NAND strings |
US7372730B2 (en) * | 2004-01-26 | 2008-05-13 | Sandisk Corporation | Method of reading NAND memory to compensate for coupling between storage elements |
US7020017B2 (en) * | 2004-04-06 | 2006-03-28 | Sandisk Corporation | Variable programming of non-volatile memory |
US7490283B2 (en) | 2004-05-13 | 2009-02-10 | Sandisk Corporation | Pipelined data relocation and improved chip architectures |
US7739577B2 (en) * | 2004-06-03 | 2010-06-15 | Inphase Technologies | Data protection system |
US7535765B2 (en) * | 2004-12-09 | 2009-05-19 | Saifun Semiconductors Ltd. | Non-volatile memory device and method for reading cells |
US7242618B2 (en) * | 2004-12-09 | 2007-07-10 | Saifun Semiconductors Ltd. | Method for reading non-volatile memory cells |
US7120051B2 (en) | 2004-12-14 | 2006-10-10 | Sandisk Corporation | Pipelined programming of non-volatile memories using early data |
US7158421B2 (en) * | 2005-04-01 | 2007-01-02 | Sandisk Corporation | Use of data latches in multi-phase programming of non-volatile memories |
US7420847B2 (en) * | 2004-12-14 | 2008-09-02 | Sandisk Corporation | Multi-state memory having data recovery after program fail |
US7849381B2 (en) | 2004-12-21 | 2010-12-07 | Sandisk Corporation | Method for copying data in reprogrammable non-volatile memory |
US7212440B2 (en) * | 2004-12-30 | 2007-05-01 | Sandisk Corporation | On-chip data grouping and alignment |
US9104315B2 (en) | 2005-02-04 | 2015-08-11 | Sandisk Technologies Inc. | Systems and methods for a mass data storage system having a file-based interface to a host and a non-file-based interface to secondary storage |
US20060184718A1 (en) * | 2005-02-16 | 2006-08-17 | Sinclair Alan W | Direct file data programming and deletion in flash memories |
US7877539B2 (en) * | 2005-02-16 | 2011-01-25 | Sandisk Corporation | Direct data file storage in flash memories |
US20060184719A1 (en) * | 2005-02-16 | 2006-08-17 | Sinclair Alan W | Direct data file storage implementation techniques in flash memories |
US7447078B2 (en) | 2005-04-01 | 2008-11-04 | Sandisk Corporation | Method for non-volatile memory with background data latch caching during read operations |
US7206230B2 (en) * | 2005-04-01 | 2007-04-17 | Sandisk Corporation | Use of data latches in cache operations of non-volatile memories |
WO2006107651A1 (en) * | 2005-04-01 | 2006-10-12 | Sandisk Corporation | Multi-state memory having data recovery after program fail |
US7463521B2 (en) * | 2005-04-01 | 2008-12-09 | Sandisk Corporation | Method for non-volatile memory with managed execution of cached data |
US7196946B2 (en) * | 2005-04-05 | 2007-03-27 | Sandisk Corporation | Compensating for coupling in non-volatile storage |
US7196928B2 (en) * | 2005-04-05 | 2007-03-27 | Sandisk Corporation | Compensating for coupling during read operations of non-volatile memory |
US7187585B2 (en) * | 2005-04-05 | 2007-03-06 | Sandisk Corporation | Read operation for non-volatile storage that includes compensation for coupling |
US7275140B2 (en) * | 2005-05-12 | 2007-09-25 | Sandisk Il Ltd. | Flash memory management method that is resistant to data corruption by power loss |
US7193898B2 (en) * | 2005-06-20 | 2007-03-20 | Sandisk Corporation | Compensation currents in non-volatile memory read operations |
US7409489B2 (en) * | 2005-08-03 | 2008-08-05 | Sandisk Corporation | Scheduling of reclaim operations in non-volatile memory |
US7627733B2 (en) * | 2005-08-03 | 2009-12-01 | Sandisk Corporation | Method and system for dual mode access for storage devices |
US7949845B2 (en) * | 2005-08-03 | 2011-05-24 | Sandisk Corporation | Indexing of file data in reprogrammable non-volatile memories that directly store data files |
US7552271B2 (en) * | 2005-08-03 | 2009-06-23 | Sandisk Corporation | Nonvolatile memory with block management |
US7480766B2 (en) | 2005-08-03 | 2009-01-20 | Sandisk Corporation | Interfacing systems operating through a logical address space and on a direct data file basis |
US7558906B2 (en) * | 2005-08-03 | 2009-07-07 | Sandisk Corporation | Methods of managing blocks in nonvolatile memory |
US7669003B2 (en) * | 2005-08-03 | 2010-02-23 | Sandisk Corporation | Reprogrammable non-volatile memory systems with indexing of directly stored data files |
JP4991131B2 (ja) * | 2005-08-12 | 2012-08-01 | 株式会社東芝 | 半導体記憶装置 |
US7170788B1 (en) | 2005-09-09 | 2007-01-30 | Sandisk Corporation | Last-first mode and apparatus for programming of non-volatile memory with reduced program disturb |
US7218552B1 (en) | 2005-09-09 | 2007-05-15 | Sandisk Corporation | Last-first mode and method for programming of non-volatile memory with reduced program disturb |
US7814262B2 (en) * | 2005-10-13 | 2010-10-12 | Sandisk Corporation | Memory system storing transformed units of data in fixed sized storage blocks |
US7529905B2 (en) * | 2005-10-13 | 2009-05-05 | Sandisk Corporation | Method of storing transformed units of data in a memory system having fixed sized storage blocks |
US7301817B2 (en) | 2005-10-27 | 2007-11-27 | Sandisk Corporation | Method for programming of multi-state non-volatile memory using smart verify |
US7366022B2 (en) * | 2005-10-27 | 2008-04-29 | Sandisk Corporation | Apparatus for programming of multi-state non-volatile memory using smart verify |
US7289344B2 (en) | 2005-11-10 | 2007-10-30 | Sandisk Corporation | Reverse coupling effect with timing information for non-volatile memory |
US7289348B2 (en) | 2005-11-10 | 2007-10-30 | Sandisk Corporation | Reverse coupling effect with timing information |
WO2007058846A1 (en) * | 2005-11-10 | 2007-05-24 | Sandisk Corporation | Reverse coupling effect with timing information |
US7349258B2 (en) * | 2005-12-06 | 2008-03-25 | Sandisk Corporation | Reducing read disturb for non-volatile storage |
US7262994B2 (en) * | 2005-12-06 | 2007-08-28 | Sandisk Corporation | System for reducing read disturb for non-volatile storage |
US20070136671A1 (en) * | 2005-12-12 | 2007-06-14 | Buhrke Eric R | Method and system for directing attention during a conversation |
US7769978B2 (en) | 2005-12-21 | 2010-08-03 | Sandisk Corporation | Method and system for accessing non-volatile storage devices |
US7747837B2 (en) | 2005-12-21 | 2010-06-29 | Sandisk Corporation | Method and system for accessing non-volatile storage devices |
US7793068B2 (en) * | 2005-12-21 | 2010-09-07 | Sandisk Corporation | Dual mode access for non-volatile storage devices |
US7443726B2 (en) * | 2005-12-29 | 2008-10-28 | Sandisk Corporation | Systems for alternate row-based reading and writing for non-volatile memory |
US7349260B2 (en) * | 2005-12-29 | 2008-03-25 | Sandisk Corporation | Alternate row-based reading and writing for non-volatile memory |
JP4892566B2 (ja) * | 2005-12-29 | 2012-03-07 | サンディスク コーポレイション | 交互列に基づいた不揮発性メモリの読み出し及び書き込み |
US7453723B2 (en) * | 2006-03-01 | 2008-11-18 | Micron Technology, Inc. | Memory with weighted multi-page read |
US7436733B2 (en) * | 2006-03-03 | 2008-10-14 | Sandisk Corporation | System for performing read operation on non-volatile storage with compensation for coupling |
US7499319B2 (en) * | 2006-03-03 | 2009-03-03 | Sandisk Corporation | Read operation for non-volatile storage with compensation for coupling |
US7499326B2 (en) * | 2006-04-12 | 2009-03-03 | Sandisk Corporation | Apparatus for reducing the impact of program disturb |
US7426137B2 (en) | 2006-04-12 | 2008-09-16 | Sandisk Corporation | Apparatus for reducing the impact of program disturb during read |
US7515463B2 (en) | 2006-04-12 | 2009-04-07 | Sandisk Corporation | Reducing the impact of program disturb during read |
US7436713B2 (en) | 2006-04-12 | 2008-10-14 | Sandisk Corporation | Reducing the impact of program disturb |
US7697326B2 (en) | 2006-05-12 | 2010-04-13 | Anobit Technologies Ltd. | Reducing programming error in memory devices |
WO2007132457A2 (en) | 2006-05-12 | 2007-11-22 | Anobit Technologies Ltd. | Combined distortion estimation and error correction coding for memory devices |
WO2007132456A2 (en) | 2006-05-12 | 2007-11-22 | Anobit Technologies Ltd. | Memory device with adaptive capacity |
CN103208309B (zh) | 2006-05-12 | 2016-03-09 | 苹果公司 | 存储设备中的失真估计和消除 |
US7440331B2 (en) * | 2006-06-01 | 2008-10-21 | Sandisk Corporation | Verify operation for non-volatile storage using different voltages |
US7457163B2 (en) * | 2006-06-01 | 2008-11-25 | Sandisk Corporation | System for verifying non-volatile storage using different voltages |
US7450421B2 (en) * | 2006-06-02 | 2008-11-11 | Sandisk Corporation | Data pattern sensitivity compensation using different voltage |
US7310272B1 (en) * | 2006-06-02 | 2007-12-18 | Sandisk Corporation | System for performing data pattern sensitivity compensation using different voltage |
US7606084B2 (en) * | 2006-06-19 | 2009-10-20 | Sandisk Corporation | Programming differently sized margins and sensing with compensations at select states for improved read operations in non-volatile memory |
JP4912460B2 (ja) * | 2006-06-19 | 2012-04-11 | サンディスク コーポレイション | 不揮発性メモリの読み出し動作改善における個別サイズマージンのプログラムおよび選択状態時の補償による検知 |
US7352628B2 (en) * | 2006-06-19 | 2008-04-01 | Sandisk Corporation | Systems for programming differently sized margins and sensing with compensations at select states for improved read operations in a non-volatile memory |
US7495953B2 (en) * | 2006-07-20 | 2009-02-24 | Sandisk Corporation | System for configuring compensation |
US7506113B2 (en) * | 2006-07-20 | 2009-03-17 | Sandisk Corporation | Method for configuring compensation |
US7443729B2 (en) * | 2006-07-20 | 2008-10-28 | Sandisk Corporation | System that compensates for coupling based on sensing a neighbor using coupling |
US7400535B2 (en) * | 2006-07-20 | 2008-07-15 | Sandisk Corporation | System that compensates for coupling during programming |
US7885119B2 (en) * | 2006-07-20 | 2011-02-08 | Sandisk Corporation | Compensating for coupling during programming |
US7522454B2 (en) * | 2006-07-20 | 2009-04-21 | Sandisk Corporation | Compensating for coupling based on sensing a neighbor using coupling |
US7369434B2 (en) * | 2006-08-14 | 2008-05-06 | Micron Technology, Inc. | Flash memory with multi-bit read |
WO2008026203A2 (en) | 2006-08-27 | 2008-03-06 | Anobit Technologies | Estimation of non-linear distortion in memory devices |
US7525838B2 (en) * | 2006-08-30 | 2009-04-28 | Samsung Electronics Co., Ltd. | Flash memory device and method for programming multi-level cells in the same |
US7602650B2 (en) * | 2006-08-30 | 2009-10-13 | Samsung Electronics Co., Ltd. | Flash memory device and method for programming multi-level cells in the same |
JP2008066466A (ja) * | 2006-09-06 | 2008-03-21 | Toshiba Corp | 半導体記憶装置およびその読み出し電圧の補正方法 |
US7447076B2 (en) * | 2006-09-29 | 2008-11-04 | Sandisk Corporation | Systems for reverse reading in non-volatile memory with compensation for coupling |
US7684247B2 (en) * | 2006-09-29 | 2010-03-23 | Sandisk Corporation | Reverse reading in non-volatile memory with compensation for coupling |
JP2008090451A (ja) * | 2006-09-29 | 2008-04-17 | Toshiba Corp | 記憶装置 |
WO2008053472A2 (en) | 2006-10-30 | 2008-05-08 | Anobit Technologies Ltd. | Reading memory cells using multiple thresholds |
US7821826B2 (en) | 2006-10-30 | 2010-10-26 | Anobit Technologies, Ltd. | Memory cell readout using successive approximation |
US7924648B2 (en) | 2006-11-28 | 2011-04-12 | Anobit Technologies Ltd. | Memory power and performance management |
US8151163B2 (en) | 2006-12-03 | 2012-04-03 | Anobit Technologies Ltd. | Automatic defect management in memory devices |
US7900102B2 (en) | 2006-12-17 | 2011-03-01 | Anobit Technologies Ltd. | High-speed programming of memory devices |
KR100881669B1 (ko) * | 2006-12-18 | 2009-02-06 | 삼성전자주식회사 | 비휘발성 데이터 저장장치의 정적 데이터 영역 검출 방법,마모도 평준화 방법 및 데이터 유닛 병합 방법과 그 장치 |
US7616505B2 (en) * | 2006-12-28 | 2009-11-10 | Sandisk Corporation | Complete word line look ahead with efficient data latch assignment in non-volatile memory read operations |
US7561465B2 (en) * | 2006-12-28 | 2009-07-14 | Advanced Micro Devices, Inc. | Methods and systems for recovering data in a nonvolatile memory array |
US7616506B2 (en) * | 2006-12-28 | 2009-11-10 | Sandisk Corporation | Systems for complete word line look ahead with efficient data latch assignment in non-volatile memory read operations |
US7495962B2 (en) * | 2006-12-29 | 2009-02-24 | Sandisk Corporation | Alternating read mode |
US7606070B2 (en) * | 2006-12-29 | 2009-10-20 | Sandisk Corporation | Systems for margined neighbor reading for non-volatile memory read operations including coupling compensation |
US7518923B2 (en) * | 2006-12-29 | 2009-04-14 | Sandisk Corporation | Margined neighbor reading for non-volatile memory read operations including coupling compensation |
US7440324B2 (en) * | 2006-12-29 | 2008-10-21 | Sandisk Corporation | Apparatus with alternating read mode |
US7616498B2 (en) * | 2006-12-29 | 2009-11-10 | Sandisk Corporation | Non-volatile storage system with resistance sensing and compensation |
US7590002B2 (en) * | 2006-12-29 | 2009-09-15 | Sandisk Corporation | Resistance sensing and compensation for non-volatile storage |
US7751240B2 (en) | 2007-01-24 | 2010-07-06 | Anobit Technologies Ltd. | Memory device with negative thresholds |
US8151166B2 (en) | 2007-01-24 | 2012-04-03 | Anobit Technologies Ltd. | Reduction of back pattern dependency effects in memory devices |
WO2008111058A2 (en) | 2007-03-12 | 2008-09-18 | Anobit Technologies Ltd. | Adaptive estimation of memory cell read thresholds |
US7535764B2 (en) * | 2007-03-21 | 2009-05-19 | Sandisk Corporation | Adjusting resistance of non-volatile memory using dummy memory cells |
US8001320B2 (en) | 2007-04-22 | 2011-08-16 | Anobit Technologies Ltd. | Command interface for memory devices |
US8234545B2 (en) | 2007-05-12 | 2012-07-31 | Apple Inc. | Data storage with incremental redundancy |
WO2008139441A2 (en) | 2007-05-12 | 2008-11-20 | Anobit Technologies Ltd. | Memory device with internal signal processing unit |
KR100892583B1 (ko) | 2007-06-08 | 2009-04-08 | 삼성전자주식회사 | 커플링을 고려한 메모리 셀의 데이터 프로그램 장치 및 그방법 |
KR100837282B1 (ko) * | 2007-06-14 | 2008-06-12 | 삼성전자주식회사 | 비휘발성 메모리 장치, 그것을 포함하는 메모리 시스템,그것의 프로그램 방법 및 읽기 방법 |
US7936599B2 (en) * | 2007-06-15 | 2011-05-03 | Micron Technology, Inc. | Coarse and fine programming in a solid state memory |
KR100888842B1 (ko) * | 2007-06-28 | 2009-03-17 | 삼성전자주식회사 | 읽기 전압을 최적화할 수 있는 플래시 메모리 장치 및그것의 독출 전압 설정 방법 |
KR101411976B1 (ko) * | 2007-07-09 | 2014-06-27 | 삼성전자주식회사 | 플래시 메모리 시스템 및 그것의 에러 정정 방법 |
US7925936B1 (en) | 2007-07-13 | 2011-04-12 | Anobit Technologies Ltd. | Memory device with non-uniform programming levels |
JP5475942B2 (ja) * | 2007-07-30 | 2014-04-16 | 株式会社メガチップス | 不揮発性半導体記憶装置 |
US8259497B2 (en) | 2007-08-06 | 2012-09-04 | Apple Inc. | Programming schemes for multi-level analog memory cells |
KR101425958B1 (ko) | 2007-09-06 | 2014-08-04 | 삼성전자주식회사 | 멀티-비트 데이터를 저장하는 메모리 시스템 및 그것의읽기 방법 |
US8174905B2 (en) | 2007-09-19 | 2012-05-08 | Anobit Technologies Ltd. | Programming orders for reducing distortion in arrays of multi-level analog memory cells |
WO2009095902A2 (en) | 2008-01-31 | 2009-08-06 | Densbits Technologies Ltd. | Systems and methods for handling immediate data errors in flash memory |
US8650352B2 (en) * | 2007-09-20 | 2014-02-11 | Densbits Technologies Ltd. | Systems and methods for determining logical values of coupled flash memory cells |
US7773413B2 (en) | 2007-10-08 | 2010-08-10 | Anobit Technologies Ltd. | Reliable data storage in analog memory cells in the presence of temperature variations |
WO2009050703A2 (en) | 2007-10-19 | 2009-04-23 | Anobit Technologies | Data storage in analog memory cell arrays having erase failures |
US8000141B1 (en) | 2007-10-19 | 2011-08-16 | Anobit Technologies Ltd. | Compensation for voltage drifts in analog memory cells |
US8068360B2 (en) | 2007-10-19 | 2011-11-29 | Anobit Technologies Ltd. | Reading analog memory cells using built-in multi-threshold commands |
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 |
WO2009063450A2 (en) | 2007-11-13 | 2009-05-22 | Anobit Technologies | Optimized selection of memory units in multi-unit memory devices |
US8225181B2 (en) | 2007-11-30 | 2012-07-17 | Apple Inc. | Efficient re-read operations from memory devices |
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 |
WO2009072105A2 (en) | 2007-12-05 | 2009-06-11 | Densbits Technologies Ltd. | A low power chien-search based bch/rs decoding system for flash memory, mobile communications devices and other applications |
US8453022B2 (en) | 2007-12-05 | 2013-05-28 | Densbits Technologies Ltd. | Apparatus and methods for generating row-specific reading thresholds in flash memory |
US8209588B2 (en) | 2007-12-12 | 2012-06-26 | Anobit Technologies Ltd. | Efficient interference cancellation in analog memory cell arrays |
US8359516B2 (en) | 2007-12-12 | 2013-01-22 | Densbits Technologies Ltd. | Systems and methods for error correction and decoding on multi-level physical media |
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 |
US8456905B2 (en) | 2007-12-16 | 2013-06-04 | Apple Inc. | Efficient data storage in multi-plane memory devices |
WO2009078006A2 (en) | 2007-12-18 | 2009-06-25 | Densbits Technologies Ltd. | Apparatus for coding at a plurality of rates in multi-level flash memory systems, and methods useful in conjunction therewith |
US8085586B2 (en) | 2007-12-27 | 2011-12-27 | Anobit Technologies Ltd. | Wear level estimation in analog memory cells |
US7800943B2 (en) * | 2008-01-18 | 2010-09-21 | Qimonda Ag | Integrated circuit having a memory cell arrangement and method for reading a memory cell state using a plurality of partial readings |
US8156398B2 (en) | 2008-02-05 | 2012-04-10 | Anobit Technologies Ltd. | Parameter estimation based on error correction code parity check equations |
US7924587B2 (en) | 2008-02-21 | 2011-04-12 | Anobit Technologies Ltd. | Programming of analog memory cells using a single programming pulse per state transition |
US7864573B2 (en) | 2008-02-24 | 2011-01-04 | Anobit Technologies Ltd. | Programming analog memory cells for reduced variance after retention |
US8230300B2 (en) | 2008-03-07 | 2012-07-24 | Apple Inc. | Efficient readout from analog memory cells using data compression |
US8400858B2 (en) | 2008-03-18 | 2013-03-19 | Apple Inc. | Memory device with reduced sense time readout |
US8059457B2 (en) | 2008-03-18 | 2011-11-15 | Anobit Technologies Ltd. | Memory device with multiple-accuracy read commands |
US8972472B2 (en) | 2008-03-25 | 2015-03-03 | Densbits Technologies Ltd. | Apparatus and methods for hardware-efficient unbiased rounding |
US8085591B2 (en) | 2008-05-20 | 2011-12-27 | Micron Technology, Inc. | Charge loss compensation during programming of a memory device |
US7848144B2 (en) * | 2008-06-16 | 2010-12-07 | Sandisk Corporation | Reverse order page writing in flash memories |
KR101528167B1 (ko) | 2008-08-01 | 2015-06-12 | 삼성전자주식회사 | 메모리 장치 및 메모리 데이터 판정 방법 |
US7924613B1 (en) | 2008-08-05 | 2011-04-12 | Anobit Technologies Ltd. | Data storage in analog memory cells with protection against programming interruption |
US7995388B1 (en) | 2008-08-05 | 2011-08-09 | Anobit Technologies Ltd. | Data storage using modified voltages |
US7876611B2 (en) * | 2008-08-08 | 2011-01-25 | Sandisk Corporation | Compensating for coupling during read operations in non-volatile storage |
US8332725B2 (en) | 2008-08-20 | 2012-12-11 | Densbits Technologies Ltd. | Reprogramming non volatile memory portions |
US8949684B1 (en) | 2008-09-02 | 2015-02-03 | Apple Inc. | Segmented data storage |
US8169825B1 (en) | 2008-09-02 | 2012-05-01 | Anobit Technologies Ltd. | Reliable data storage in analog memory cells subjected to long retention periods |
US8482978B1 (en) | 2008-09-14 | 2013-07-09 | Apple Inc. | Estimation of memory cell read thresholds by sampling inside programming level distribution intervals |
US8000135B1 (en) | 2008-09-14 | 2011-08-16 | Anobit Technologies Ltd. | Estimation of memory cell read thresholds by sampling inside programming level distribution intervals |
US8239734B1 (en) | 2008-10-15 | 2012-08-07 | Apple Inc. | Efficient data storage in storage device arrays |
US8261159B1 (en) | 2008-10-30 | 2012-09-04 | Apple, Inc. | Data scrambling schemes for memory devices |
US8208304B2 (en) | 2008-11-16 | 2012-06-26 | Anobit Technologies Ltd. | Storage at M bits/cell density in N bits/cell analog memory cell devices, M>N |
KR101642465B1 (ko) * | 2008-12-12 | 2016-07-25 | 삼성전자주식회사 | 불휘발성 메모리 장치의 액세스 방법 |
US8291297B2 (en) * | 2008-12-18 | 2012-10-16 | Intel Corporation | Data error recovery in non-volatile memory |
US8174857B1 (en) | 2008-12-31 | 2012-05-08 | Anobit Technologies Ltd. | Efficient readout schemes for analog memory cell devices using multiple read threshold sets |
US8248831B2 (en) | 2008-12-31 | 2012-08-21 | Apple Inc. | Rejuvenation of analog memory cells |
US8924661B1 (en) | 2009-01-18 | 2014-12-30 | Apple Inc. | Memory system including a controller and processors associated with memory devices |
US8228701B2 (en) | 2009-03-01 | 2012-07-24 | Apple Inc. | Selective activation of programming schemes in analog memory cell arrays |
US8832354B2 (en) | 2009-03-25 | 2014-09-09 | Apple Inc. | Use of host system resources by memory controller |
US8259506B1 (en) | 2009-03-25 | 2012-09-04 | Apple Inc. | Database of memory read thresholds |
US8819385B2 (en) | 2009-04-06 | 2014-08-26 | Densbits Technologies Ltd. | Device and method for managing a flash memory |
US8458574B2 (en) | 2009-04-06 | 2013-06-04 | Densbits Technologies Ltd. | Compact chien-search based decoding apparatus and method |
US8238157B1 (en) | 2009-04-12 | 2012-08-07 | Apple Inc. | Selective re-programming of analog memory cells |
US8566510B2 (en) | 2009-05-12 | 2013-10-22 | Densbits Technologies Ltd. | Systems and method for flash memory management |
US8479080B1 (en) | 2009-07-12 | 2013-07-02 | Apple Inc. | Adaptive over-provisioning in memory systems |
CN101989461B (zh) * | 2009-08-06 | 2014-04-02 | 中芯国际集成电路制造(上海)有限公司 | 半导体nrom存储装置 |
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 |
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 |
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 |
US8495465B1 (en) | 2009-10-15 | 2013-07-23 | Apple Inc. | Error correction coding over multiple memory pages |
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 |
US8089815B2 (en) * | 2009-11-24 | 2012-01-03 | Sandisk Technologies Inc. | Programming memory with bit line floating to reduce channel-to-floating gate coupling |
US8677054B1 (en) | 2009-12-16 | 2014-03-18 | Apple Inc. | Memory management schemes for non-volatile memory devices |
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 |
US8694814B1 (en) | 2010-01-10 | 2014-04-08 | Apple Inc. | Reuse of host hibernation storage space by memory controller |
US8677203B1 (en) | 2010-01-11 | 2014-03-18 | Apple Inc. | Redundant data storage schemes for multi-die memory systems |
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 |
US8694853B1 (en) | 2010-05-04 | 2014-04-08 | Apple Inc. | Read commands for reading interfering memory cells |
US8572423B1 (en) | 2010-06-22 | 2013-10-29 | Apple Inc. | Reducing peak current in memory systems |
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 |
US20120008414A1 (en) | 2010-07-06 | 2012-01-12 | Michael Katz | Systems and methods for storing, retrieving, and adjusting read thresholds in flash memory storage system |
US8595591B1 (en) | 2010-07-11 | 2013-11-26 | Apple Inc. | Interference-aware assignment of programming levels in analog memory cells |
US9104580B1 (en) | 2010-07-27 | 2015-08-11 | Apple Inc. | Cache memory for hybrid disk drives |
US8645794B1 (en) | 2010-07-31 | 2014-02-04 | Apple Inc. | Data storage in analog memory cells using a non-integer number of bits per cell |
US8856475B1 (en) | 2010-08-01 | 2014-10-07 | Apple Inc. | Efficient selection of memory blocks for compaction |
US8694854B1 (en) | 2010-08-17 | 2014-04-08 | Apple Inc. | Read threshold setting based on soft readout statistics |
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 |
US9021181B1 (en) | 2010-09-27 | 2015-04-28 | Apple Inc. | Memory management for unifying memory cell conditions by using maximum time intervals |
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 |
US8472280B2 (en) | 2010-12-21 | 2013-06-25 | Sandisk Technologies Inc. | Alternate page by page programming scheme |
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 |
US9195592B1 (en) | 2011-05-12 | 2015-11-24 | Densbits Technologies Ltd. | Advanced management of a non-volatile memory |
US9372792B1 (en) | 2011-05-12 | 2016-06-21 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Advanced management of a non-volatile memory |
US9501392B1 (en) | 2011-05-12 | 2016-11-22 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Management of a non-volatile memory module |
US9110785B1 (en) | 2011-05-12 | 2015-08-18 | Densbits Technologies Ltd. | Ordered merge of data sectors that belong to memory space portions |
US9396106B2 (en) | 2011-05-12 | 2016-07-19 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Advanced management of a non-volatile memory |
US8996790B1 (en) | 2011-05-12 | 2015-03-31 | Densbits Technologies Ltd. | System and method for flash memory management |
US8667211B2 (en) | 2011-06-01 | 2014-03-04 | Densbits Technologies Ltd. | System and method for managing a non-volatile memory |
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 |
US20130047045A1 (en) * | 2011-08-19 | 2013-02-21 | Stec, Inc. | Error indicator from ecc decoder |
JP2012014827A (ja) * | 2011-09-12 | 2012-01-19 | Toshiba Corp | 半導体記憶装置 |
US8553468B2 (en) | 2011-09-21 | 2013-10-08 | Densbits Technologies Ltd. | System and method for managing erase operations in a non-volatile memory |
JP5355667B2 (ja) * | 2011-11-21 | 2013-11-27 | 株式会社東芝 | メモリシステム |
US8990644B2 (en) | 2011-12-22 | 2015-03-24 | Micron Technology, Inc. | Apparatus and methods of programming memory cells using adjustable charge state level(s) |
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 |
US9171627B2 (en) | 2012-04-11 | 2015-10-27 | Aplus Flash Technology, Inc. | Non-boosting program inhibit scheme in NAND design |
US9087595B2 (en) | 2012-04-20 | 2015-07-21 | Aplus Flash Technology, Inc. | Shielding 2-cycle half-page read and program schemes for advanced NAND flash design |
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 |
US9183940B2 (en) | 2013-05-21 | 2015-11-10 | Aplus Flash Technology, Inc. | Low disturbance, power-consumption, and latency in NAND read and program-verify operations |
CN104240761B (zh) * | 2013-06-08 | 2017-07-14 | 光宝科技股份有限公司 | 固态储存装置中储存状态的分布曲线估计方法 |
US9136876B1 (en) | 2013-06-13 | 2015-09-15 | Densbits Technologies Ltd. | Size limited multi-dimensional decoding |
US9263137B2 (en) | 2013-06-27 | 2016-02-16 | Aplus Flash Technology, Inc. | NAND array architecture for multiple simutaneous program and read |
WO2015013689A2 (en) | 2013-07-25 | 2015-01-29 | Aplus Flash Technology, Inc. | Nand array hiarchical bl structures for multiple-wl and all -bl simultaneous erase, erase-verify, program, program-verify, and read operations |
US9293205B2 (en) | 2013-09-14 | 2016-03-22 | Aplus Flash Technology, Inc | Multi-task concurrent/pipeline NAND operations on all planes |
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 |
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 |
US9786388B1 (en) | 2013-10-09 | 2017-10-10 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Detecting and managing bad columns |
US9613704B2 (en) | 2013-12-25 | 2017-04-04 | Aplus Flash Technology, Inc | 2D/3D NAND memory array with bit-line hierarchical structure for multi-page concurrent SLC/MLC program and program-verify |
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 |
US9442799B2 (en) * | 2014-06-26 | 2016-09-13 | Microsoft Technology Licensing, Llc | Extended lifetime memory |
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 |
WO2016014731A1 (en) | 2014-07-22 | 2016-01-28 | Aplus Flash Technology, Inc. | Yukai vsl-based vt-compensation for nand memory |
US9524211B1 (en) | 2014-11-18 | 2016-12-20 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Codeword management |
KR102246843B1 (ko) * | 2015-01-15 | 2021-05-03 | 에스케이하이닉스 주식회사 | 데이터 저장 장치 및 그것의 동작 방법 |
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 |
US9928138B2 (en) * | 2015-02-17 | 2018-03-27 | Toshiba Memory Corporation | Memory system |
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 |
KR20170064312A (ko) * | 2015-12-01 | 2017-06-09 | 에스케이하이닉스 주식회사 | 메모리 시스템 및 그의 동작 방법 |
US9954558B1 (en) | 2016-03-03 | 2018-04-24 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Fast decoding of data stored in a flash memory |
US10248499B2 (en) | 2016-06-24 | 2019-04-02 | Sandisk Technologies Llc | Non-volatile storage system using two pass programming with bit error control |
US9928126B1 (en) | 2017-06-01 | 2018-03-27 | Apple Inc. | Recovery from cross-temperature read failures by programming neighbor word lines |
US12094581B2 (en) | 2020-08-13 | 2024-09-17 | Micron Technology, Inc. | Systems for generating personalized and/or local weather forecasts |
US11417387B2 (en) * | 2020-09-04 | 2022-08-16 | Micron Technology, Inc. | Reserved rows for row-copy operations for semiconductor memory devices and associated methods and systems |
US11556416B2 (en) | 2021-05-05 | 2023-01-17 | Apple Inc. | Controlling memory readout reliability and throughput by adjusting distance between read thresholds |
US11847342B2 (en) | 2021-07-28 | 2023-12-19 | Apple Inc. | Efficient transfer of hard data and confidence levels in reading a nonvolatile memory |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11167793A (ja) | 1997-12-02 | 1999-06-22 | Nec Corp | 半導体記憶装置およびデータ読み出し方法 |
KR20000047411A (ko) * | 1998-12-17 | 2000-07-25 | 아끼구사 나오유끼 | 불휘발성 반도체 기억 장치 |
KR20010088298A (ko) * | 2000-03-09 | 2001-09-26 | 아끼구사 나오유끼 | 반도체 집적 회로 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5095344A (en) | 1988-06-08 | 1992-03-10 | Eliyahou Harari | Highly compact eprom and flash eeprom devices |
EP0392895B1 (en) | 1989-04-13 | 1995-12-13 | Sundisk Corporation | Flash EEprom system |
US5172338B1 (en) | 1989-04-13 | 1997-07-08 | Sandisk Corp | Multi-state eeprom read and write circuits and techniques |
US5663901A (en) | 1991-04-11 | 1997-09-02 | Sandisk Corporation | Computer memory cards using flash EEPROM integrated circuit chips and memory-controller systems |
US5430859A (en) | 1991-07-26 | 1995-07-04 | Sundisk Corporation | Solid state memory system including plural memory chips and a serialized bus |
TW261687B (ko) * | 1991-11-26 | 1995-11-01 | Hitachi Seisakusyo Kk | |
US5712180A (en) | 1992-01-14 | 1998-01-27 | Sundisk Corporation | EEPROM with split gate source side injection |
US5657332A (en) | 1992-05-20 | 1997-08-12 | Sandisk Corporation | Soft errors handling in EEPROM devices |
US5555204A (en) | 1993-06-29 | 1996-09-10 | Kabushiki Kaisha Toshiba | Non-volatile semiconductor memory device |
KR0169267B1 (ko) | 1993-09-21 | 1999-02-01 | 사토 후미오 | 불휘발성 반도체 기억장치 |
JPH08190796A (ja) * | 1995-01-09 | 1996-07-23 | Mitsubishi Denki Semiconductor Software Kk | データリフレッシュ機能を有するフラッシュメモリ及びフラッシュメモリのデータリフレッシュ方法 |
US5579259A (en) | 1995-05-31 | 1996-11-26 | Sandisk Corporation | Low voltage erase of a flash EEPROM system having a common erase electrode for two individually erasable sectors |
US5903495A (en) | 1996-03-18 | 1999-05-11 | Kabushiki Kaisha Toshiba | Semiconductor device and memory system |
US5890192A (en) | 1996-11-05 | 1999-03-30 | Sandisk Corporation | Concurrent write of multiple chunks of data into multiple subarrays of flash EEPROM |
US5867429A (en) | 1997-11-19 | 1999-02-02 | Sandisk Corporation | High density non-volatile flash memory without adverse effects of electric field coupling between adjacent floating gates |
US6151248A (en) | 1999-06-30 | 2000-11-21 | Sandisk Corporation | Dual floating gate EEPROM cell array with steering gates shared by adjacent cells |
US6103573A (en) | 1999-06-30 | 2000-08-15 | Sandisk Corporation | Processing techniques for making a dual floating gate EEPROM cell array |
US6091633A (en) | 1999-08-09 | 2000-07-18 | Sandisk Corporation | Memory array architecture utilizing global bit lines shared by multiple cells |
US6426893B1 (en) | 2000-02-17 | 2002-07-30 | Sandisk Corporation | Flash eeprom system with simultaneous multiple data sector programming and storage of physical block characteristics in other designated blocks |
US6266273B1 (en) * | 2000-08-21 | 2001-07-24 | Sandisk Corporation | Method and structure for reliable data copy operation for non-volatile memories |
US6512263B1 (en) | 2000-09-22 | 2003-01-28 | Sandisk Corporation | Non-volatile memory cell array having discontinuous source and drain diffusions contacted by continuous bit line conductors and methods of forming |
US6936887B2 (en) | 2001-05-18 | 2005-08-30 | Sandisk Corporation | Non-volatile memory cells utilizing substrate trenches |
US6522580B2 (en) * | 2001-06-27 | 2003-02-18 | Sandisk Corporation | Operating techniques for reducing effects of coupling between storage elements of a non-volatile memory operated in multiple data states |
US6762092B2 (en) | 2001-08-08 | 2004-07-13 | Sandisk Corporation | Scalable self-aligned dual floating gate memory cell array and methods of forming the array |
US6897522B2 (en) | 2001-10-31 | 2005-05-24 | Sandisk Corporation | Multi-state non-volatile integrated circuit memory systems that employ dielectric storage elements |
US6542407B1 (en) * | 2002-01-18 | 2003-04-01 | Sandisk Corporation | Techniques of recovering data from memory cells affected by field coupling with adjacent memory cells |
US6781877B2 (en) | 2002-09-06 | 2004-08-24 | Sandisk Corporation | Techniques for reducing effects of coupling between storage elements of adjacent rows of memory cells |
-
2002
- 2002-01-18 US US10/052,759 patent/US6542407B1/en not_active Expired - Lifetime
-
2003
- 2003-01-14 EP EP03250231A patent/EP1329898B1/en not_active Expired - Lifetime
- 2003-01-14 DE DE60321252T patent/DE60321252D1/de not_active Expired - Lifetime
- 2003-01-14 AT AT03250231T patent/ATE397273T1/de not_active IP Right Cessation
- 2003-01-15 KR KR1020030002677A patent/KR100904752B1/ko active IP Right Grant
- 2003-01-20 JP JP2003011503A patent/JP4310114B2/ja not_active Expired - Fee Related
- 2003-02-03 US US10/357,840 patent/US6847553B2/en not_active Expired - Lifetime
-
2005
- 2005-01-03 US US11/028,906 patent/US7102924B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11167793A (ja) | 1997-12-02 | 1999-06-22 | Nec Corp | 半導体記憶装置およびデータ読み出し方法 |
KR20000047411A (ko) * | 1998-12-17 | 2000-07-25 | 아끼구사 나오유끼 | 불휘발성 반도체 기억 장치 |
KR20010088298A (ko) * | 2000-03-09 | 2001-09-26 | 아끼구사 나오유끼 | 반도체 집적 회로 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20120013841A (ko) * | 2010-08-06 | 2012-02-15 | 삼성전자주식회사 | 비휘발성 메모리 장치의 데이터 판독 방법 |
KR101678888B1 (ko) | 2010-08-06 | 2016-12-07 | 삼성전자주식회사 | 비휘발성 메모리 장치의 데이터 판독 방법 |
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JP2003249085A (ja) | 2003-09-05 |
US20050117401A1 (en) | 2005-06-02 |
US6542407B1 (en) | 2003-04-01 |
US6847553B2 (en) | 2005-01-25 |
DE60321252D1 (de) | 2008-07-10 |
EP1329898A2 (en) | 2003-07-23 |
EP1329898A3 (en) | 2004-06-16 |
ATE397273T1 (de) | 2008-06-15 |
KR20030063144A (ko) | 2003-07-28 |
US7102924B2 (en) | 2006-09-05 |
EP1329898B1 (en) | 2008-05-28 |
US20030137888A1 (en) | 2003-07-24 |
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