CN103811077B - 闪存中的资料补偿方法 - Google Patents
闪存中的资料补偿方法 Download PDFInfo
- Publication number
- CN103811077B CN103811077B CN201210449187.4A CN201210449187A CN103811077B CN 103811077 B CN103811077 B CN 103811077B CN 201210449187 A CN201210449187 A CN 201210449187A CN 103811077 B CN103811077 B CN 103811077B
- Authority
- CN
- China
- Prior art keywords
- storing state
- probability
- ici
- voltage range
- flash memory
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G11C11/5628—Programming or writing circuits; Data input circuits
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- 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
-
- 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
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
- G11C16/0483—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells having several storage transistors connected in series
-
- 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
-
- 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
- G11C16/3422—Circuits or methods to evaluate read or write disturbance in nonvolatile memory, without steps to mitigate the problem
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Read Only Memory (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
Abstract
Description
Claims (9)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210449187.4A CN103811077B (zh) | 2012-11-12 | 2012-11-12 | 闪存中的资料补偿方法 |
US13/727,939 US9047982B2 (en) | 2012-11-12 | 2012-12-27 | Data compensating method for flash memory |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210449187.4A CN103811077B (zh) | 2012-11-12 | 2012-11-12 | 闪存中的资料补偿方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103811077A CN103811077A (zh) | 2014-05-21 |
CN103811077B true CN103811077B (zh) | 2017-03-29 |
Family
ID=50681567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210449187.4A Active CN103811077B (zh) | 2012-11-12 | 2012-11-12 | 闪存中的资料补偿方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US9047982B2 (zh) |
CN (1) | CN103811077B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104112477B (zh) * | 2013-04-19 | 2017-07-07 | 光宝科技股份有限公司 | 用于固态储存装置中晶体单元的群组区分方法 |
US20140359202A1 (en) * | 2013-05-31 | 2014-12-04 | Western Digital Technologies, Inc. | Reading voltage calculation in solid-state storage devices |
US9349477B2 (en) | 2014-06-16 | 2016-05-24 | Seagate Technology Llc | Inter-cell interference estimation based on a pattern dependent histogram |
US9378090B2 (en) | 2014-06-16 | 2016-06-28 | Seagate Technology Llc | Cell-to-cell program interference aware data recovery when ECC fails with an optimum read reference voltage |
TWI550628B (zh) * | 2014-07-16 | 2016-09-21 | 群聯電子股份有限公司 | 解碼方法、記憶體儲存裝置及記憶體控制電路單元 |
CN107204204B (zh) * | 2016-03-16 | 2020-01-31 | 建兴储存科技(广州)有限公司 | 固态储存装置的断电期间估计方法 |
US10102917B2 (en) * | 2016-04-14 | 2018-10-16 | Chengdu Haicun Ip Technology Llc | Multi-bit-per-cell three-dimensional one-time-programmable memory |
CN111863097B (zh) * | 2020-06-29 | 2022-06-17 | 联芸科技(杭州)有限公司 | 快闪存储器的读取控制方法及装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200623079A (en) * | 2004-12-24 | 2006-07-01 | Lite On It Corp | Method and apparatus for automatic adjustment procedure of the optical drive |
CN102132353A (zh) * | 2008-07-01 | 2011-07-20 | Lsi公司 | 用于闪存存储器中读取端单元间干扰减轻的方法和装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101758192B1 (ko) * | 2008-09-30 | 2017-07-14 | 엘에스아이 코포레이션 | 소프트 데이터 값 생성 방법 및 소프트 데이터 값 생성 시스템 |
KR101710663B1 (ko) * | 2010-03-02 | 2017-02-28 | 삼성전자주식회사 | 메모리 시스템 및 그것의 동작 방법 |
US8427875B2 (en) * | 2010-12-07 | 2013-04-23 | Silicon Motion Inc. | Method and memory controller for reading data stored in flash memory by referring to binary digit distribution characteristics of bit sequences read from flash memory |
KR20120120731A (ko) * | 2011-04-25 | 2012-11-02 | 에스케이하이닉스 주식회사 | 데이터 결정방법 및 메모리 |
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2012
- 2012-11-12 CN CN201210449187.4A patent/CN103811077B/zh active Active
- 2012-12-27 US US13/727,939 patent/US9047982B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200623079A (en) * | 2004-12-24 | 2006-07-01 | Lite On It Corp | Method and apparatus for automatic adjustment procedure of the optical drive |
CN102132353A (zh) * | 2008-07-01 | 2011-07-20 | Lsi公司 | 用于闪存存储器中读取端单元间干扰减轻的方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
US20140133225A1 (en) | 2014-05-15 |
CN103811077A (zh) | 2014-05-21 |
US9047982B2 (en) | 2015-06-02 |
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C06 | Publication | ||
PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: GUANGBAO SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIANXING ELECTRONIC SCIENCE +. TECHNOLOGY CO., LTD. Effective date: 20140630 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20140630 Address after: Ruiguang road Taiwan Taipei City Neihu district China No. 392 22 floor Applicant after: Lite-On Technology Corporation Address before: Ruiguang road Taiwan Taipei City Neihu district China No. 392 14 floor Applicant before: Jianxing Electronic Science &. Technology Co., Ltd. |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20170104 Address after: No. 25 West Road, Science City, Guangzhou high tech Industrial Development Zone, Guangdong, China Applicant after: Lite-On Electronic (Guangzhou) Co., Ltd. Applicant after: Guangbao Sci-Tech Co., Ltd. Address before: Ruiguang road Taiwan Taipei City Neihu district China No. 392 22 floor Applicant before: Guangbao Sci-Tech Co., Ltd. |
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Effective date of registration: 20200115 Address after: Room 302, factory a, No.8 Guangbao Road, Science City, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Jianxing storage technology (Guangzhou) Co., Ltd Address before: No. 25 West Road, Science City, Guangzhou high tech Industrial Development Zone, Guangdong, China Co-patentee before: Lite-On Technology Corporation Patentee before: Guangbao Electronics (Guangzhou) Co., Ltd. |