CN103380416B - 用于读取存储器的目标存储器扇区的方法和存储器系统 - Google Patents
用于读取存储器的目标存储器扇区的方法和存储器系统 Download PDFInfo
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- CN103380416B CN103380416B CN201280009420.5A CN201280009420A CN103380416B CN 103380416 B CN103380416 B CN 103380416B CN 201280009420 A CN201280009420 A CN 201280009420A CN 103380416 B CN103380416 B CN 103380416B
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- Prior art keywords
- reference voltage
- log
- likelihood ratio
- estimation
- read operation
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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
- G11C16/26—Sensing or reading circuits; Data output circuits
- G11C16/28—Sensing or reading circuits; Data output circuits using differential sensing or reference cells, e.g. dummy cells
-
- 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
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
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- Engineering & Computer Science (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)
Abstract
Description
Claims (18)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161444534P | 2011-02-18 | 2011-02-18 | |
US61/444,534 | 2011-02-18 | ||
US13/397,434 US8665650B2 (en) | 2011-02-18 | 2012-02-15 | Reliability metrics management for soft decoding |
US13/397,434 | 2012-02-15 | ||
PCT/US2012/025482 WO2012154255A1 (en) | 2011-02-18 | 2012-02-16 | Reliability metrics management for soft decoding |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103380416A CN103380416A (zh) | 2013-10-30 |
CN103380416B true CN103380416B (zh) | 2016-04-27 |
Family
ID=46652614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280009420.5A Active CN103380416B (zh) | 2011-02-18 | 2012-02-16 | 用于读取存储器的目标存储器扇区的方法和存储器系统 |
Country Status (3)
Country | Link |
---|---|
US (2) | US8665650B2 (zh) |
CN (1) | CN103380416B (zh) |
WO (1) | WO2012154255A1 (zh) |
Families Citing this family (61)
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US8935600B1 (en) * | 2011-09-28 | 2015-01-13 | Marvell International Ltd. | Modification of decoder operating mode based on a probability of non-standard errors in concatenated decoding systems |
US9269448B2 (en) * | 2012-01-27 | 2016-02-23 | Sk Hynix Memory Solutions Inc. | Generating soft read values using multiple reads and/or bins |
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KR102170857B1 (ko) * | 2013-08-19 | 2020-10-29 | 삼성전자주식회사 | 저항체를 이용한 비휘발성 메모리 장치의 구동 방법 |
US9298547B2 (en) * | 2013-11-11 | 2016-03-29 | Seagate Technology Llc | Detection/erasure of random write errors using converged hard decisions |
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US9176815B2 (en) * | 2013-11-28 | 2015-11-03 | Seagate Technology Llc | Flash channel with selective decoder likelihood dampening |
US9916906B2 (en) | 2014-02-27 | 2018-03-13 | Seagate Technology Llc | Periodically updating a log likelihood ratio (LLR) table in a flash memory controller |
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US10146448B2 (en) | 2014-05-30 | 2018-12-04 | Sandisk Technologies Llc | Using history of I/O sequences to trigger cached read ahead in a non-volatile storage device |
US10656840B2 (en) | 2014-05-30 | 2020-05-19 | Sandisk Technologies Llc | Real-time I/O pattern recognition to enhance performance and endurance of a storage device |
US10114557B2 (en) | 2014-05-30 | 2018-10-30 | Sandisk Technologies Llc | Identification of hot regions to enhance performance and endurance of a non-volatile storage device |
US10162748B2 (en) | 2014-05-30 | 2018-12-25 | Sandisk Technologies Llc | Prioritizing garbage collection and block allocation based on I/O history for logical address regions |
US10372613B2 (en) | 2014-05-30 | 2019-08-06 | Sandisk Technologies Llc | Using sub-region I/O history to cache repeatedly accessed sub-regions in a non-volatile storage device |
US10176041B2 (en) * | 2014-06-16 | 2019-01-08 | Tidal Systems, Inc. | Deterministic read retry method for soft LDPC decoding in flash memories |
CN105468471A (zh) * | 2014-09-12 | 2016-04-06 | 光宝科技股份有限公司 | 固态存储装置及其错误更正方法 |
US9607710B2 (en) * | 2014-11-10 | 2017-03-28 | Sk Hynix Memory Solutions Inc. | Read-threshold calibration in a solid state storage system |
KR102262909B1 (ko) * | 2014-12-18 | 2021-06-10 | 에스케이하이닉스 주식회사 | 메모리 시스템 동작 방법 |
CN105871766B (zh) * | 2015-01-23 | 2021-02-23 | 北京三星通信技术研究有限公司 | 干扰删除方法、干扰删除辅助方法、以及干扰删除装置 |
US9564239B2 (en) * | 2015-03-16 | 2017-02-07 | Sk Hynix Memory Solutions Inc. | Memory controller and operating method thereof |
CN106816179B (zh) | 2015-11-30 | 2020-12-25 | 华为技术有限公司 | 一种闪存纠错方法和装置 |
CN107025935B (zh) * | 2016-01-29 | 2020-10-27 | 深圳大心电子科技有限公司 | 译码方法、内存储存装置及内存控制电路单元 |
WO2018119900A1 (zh) * | 2016-12-29 | 2018-07-05 | 华为技术有限公司 | 数据读取方法及闪存设备 |
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US10452480B2 (en) | 2017-05-25 | 2019-10-22 | Micron Technology, Inc. | Memory device with dynamic processing level calibration |
CN107863128B (zh) * | 2017-11-28 | 2020-07-10 | 广东工业大学 | 一种多级闪存单元纠错方法、系统、装置及可读存储介质 |
JP7039298B2 (ja) * | 2018-01-16 | 2022-03-22 | キオクシア株式会社 | メモリシステム |
TWI693604B (zh) * | 2018-03-06 | 2020-05-11 | 深圳衡宇芯片科技有限公司 | 用於決定非揮發性記憶體中位元值的方法與系統 |
KR102567314B1 (ko) * | 2018-04-27 | 2023-08-17 | 에스케이하이닉스 주식회사 | 메모리 시스템 및 그것의 동작방법 |
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US10990466B2 (en) * | 2018-06-20 | 2021-04-27 | Micron Technology, Inc. | Memory sub-system with dynamic calibration using component-based function(s) |
US11188416B2 (en) | 2018-07-12 | 2021-11-30 | Micron Technology, Inc. | Enhanced block management for a memory sub-system |
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CN110838331A (zh) * | 2018-08-17 | 2020-02-25 | 北京兆易创新科技股份有限公司 | 一种存储数据的读取方法及装置 |
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US10903861B2 (en) * | 2019-02-05 | 2021-01-26 | Kabushiki Kaisha Toshiba | Method and device for generating soft decision detection parameters |
CN109935261B (zh) * | 2019-02-19 | 2021-08-31 | 西南交通大学 | 一种用于存储器差错控制的多级译码方法和装置 |
US10908996B2 (en) | 2019-02-22 | 2021-02-02 | Intel Corporation | Distribution of a codeword across individual storage units to reduce the bit error rate |
CN110473588A (zh) * | 2019-08-15 | 2019-11-19 | 山东华芯半导体有限公司 | 一种SSD中在线校准NAND Flash读参考电压的方法 |
KR20210027980A (ko) * | 2019-09-03 | 2021-03-11 | 에스케이하이닉스 주식회사 | 메모리 컨트롤러 및 그 동작 방법 |
CN111522687B (zh) * | 2020-04-16 | 2022-10-14 | 江苏芯盛智能科技有限公司 | 数据处理方法、装置、固态硬盘及计算机可读存储介质 |
US11621048B2 (en) * | 2021-07-29 | 2023-04-04 | Apple Inc. | Positioning read thresholds in a nonvolatile memory based on successful decoding |
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US8576625B1 (en) | 2010-04-20 | 2013-11-05 | Marvell International Ltd. | Decoder parameter estimation using multiple memory reads |
US8665650B2 (en) * | 2011-02-18 | 2014-03-04 | Marvell World Trade Ltd. | Reliability metrics management for soft decoding |
-
2012
- 2012-02-15 US US13/397,434 patent/US8665650B2/en not_active Expired - Fee Related
- 2012-02-16 CN CN201280009420.5A patent/CN103380416B/zh active Active
- 2012-02-16 WO PCT/US2012/025482 patent/WO2012154255A1/en active Application Filing
-
2014
- 2014-02-28 US US14/194,388 patent/US9087598B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20120213001A1 (en) | 2012-08-23 |
US8665650B2 (en) | 2014-03-04 |
CN103380416A (zh) | 2013-10-30 |
US9087598B2 (en) | 2015-07-21 |
WO2012154255A1 (en) | 2012-11-15 |
US20140185386A1 (en) | 2014-07-03 |
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Effective date of registration: 20200430 Address after: Singapore City Patentee after: Marvell Asia Pte. Ltd. Address before: Ford street, Grand Cayman, Cayman Islands Patentee before: Kaiwei international Co. Effective date of registration: 20200430 Address after: Ford street, Grand Cayman, Cayman Islands Patentee after: Kaiwei international Co. Address before: Hamilton, Bermuda Patentee before: Marvell International Ltd. Effective date of registration: 20200430 Address after: Hamilton, Bermuda Patentee after: Marvell International Ltd. Address before: Babado J San Mega Le Patentee before: MARVELL WORLD TRADE Ltd. |
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