CN103971723B - 用于读取电压适应的补偿回路 - Google Patents
用于读取电压适应的补偿回路 Download PDFInfo
- Publication number
- CN103971723B CN103971723B CN201410025203.6A CN201410025203A CN103971723B CN 103971723 B CN103971723 B CN 103971723B CN 201410025203 A CN201410025203 A CN 201410025203A CN 103971723 B CN103971723 B CN 103971723B
- Authority
- CN
- China
- Prior art keywords
- voltage
- symbol
- adjustment
- read
- read voltage
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 23
- 230000006978 adaptation Effects 0.000 claims description 23
- 238000013507 mapping Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 9
- 239000002609 medium Substances 0.000 description 8
- 230000033228 biological regulation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000012120 mounting media Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 201000004569 Blindness Diseases 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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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
-
- 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
- G11C16/06—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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Read Only Memory (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/757,027 US8879324B2 (en) | 2013-02-01 | 2013-02-01 | Compensation loop for read voltage adaptation |
| US13/757,027 | 2013-02-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103971723A CN103971723A (zh) | 2014-08-06 |
| CN103971723B true CN103971723B (zh) | 2017-07-11 |
Family
ID=49999755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410025203.6A Expired - Fee Related CN103971723B (zh) | 2013-02-01 | 2014-01-20 | 用于读取电压适应的补偿回路 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8879324B2 (enExample) |
| EP (1) | EP2763140A2 (enExample) |
| JP (1) | JP6556423B2 (enExample) |
| KR (1) | KR102180452B1 (enExample) |
| CN (1) | CN103971723B (enExample) |
| TW (1) | TWI613661B (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9286155B1 (en) * | 2013-05-24 | 2016-03-15 | Marvell International Ltd. | Systems and methods for generating soft information in a flash device |
| US9818488B2 (en) * | 2015-10-30 | 2017-11-14 | Seagate Technology Llc | Read threshold voltage adaptation using bit error rates based on decoded data |
| US9633740B1 (en) * | 2016-02-11 | 2017-04-25 | Seagate Technology Llc | Read retry operations where likelihood value assignments change sign at different read voltages for each read retry |
| US9720754B2 (en) | 2014-11-20 | 2017-08-01 | Western Digital Technologies, Inc. | Read level grouping for increased flash performance |
| US9576671B2 (en) * | 2014-11-20 | 2017-02-21 | Western Digital Technologies, Inc. | Calibrating optimal read levels |
| US9905302B2 (en) | 2014-11-20 | 2018-02-27 | Western Digital Technologies, Inc. | Read level grouping algorithms for increased flash performance |
| KR102253592B1 (ko) * | 2014-12-23 | 2021-05-18 | 삼성전자주식회사 | 초기 문턱 전압 분포 변화를 보상할 수 있는 데이터 저장 장치, 이의 작동 방법, 및 이를 포함하는 데이터 처리 시스템 |
| GB2537484B (en) * | 2015-03-20 | 2019-07-03 | HGST Netherlands BV | Read level grouping for increased flash performance |
| US10324648B1 (en) | 2016-04-28 | 2019-06-18 | Seagate Technology Llc | Wear-based access optimization |
| US9971646B2 (en) | 2016-06-01 | 2018-05-15 | Apple Inc. | Reading-threshold setting based on data encoded with a multi-component code |
| US10120585B2 (en) * | 2016-08-10 | 2018-11-06 | SK Hynix Inc. | Memory system of optimal read reference voltage and operating method thereof |
| JP6659494B2 (ja) * | 2016-08-19 | 2020-03-04 | キオクシア株式会社 | 半導体記憶装置及びメモリシステム |
| US9953709B2 (en) | 2016-09-06 | 2018-04-24 | Toshiba Memory Corporation | Semiconductor memory device and memory system |
| KR20180051272A (ko) * | 2016-11-08 | 2018-05-16 | 에스케이하이닉스 주식회사 | 데이터 저장 장치 및 그것의 동작 방법 |
| CN110299177B (zh) * | 2019-07-04 | 2021-01-19 | 合肥联诺科技有限公司 | 一种减小读操作电压抖动的电荷补偿电路及存储器结构 |
| US11587627B2 (en) * | 2021-04-16 | 2023-02-21 | Micron Technology, Inc. | Determining voltage offsets for memory read operations |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102473126A (zh) * | 2009-08-11 | 2012-05-23 | 桑迪士克科技股份有限公司 | 提供闪存系统中的读状态和空闲块管理信息的控制器和方法 |
| CN102479550A (zh) * | 2010-11-25 | 2012-05-30 | 三星电子株式会社 | 补偿操作电压的方法、快闪存储器件、以及数据存储设备 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100408688B1 (ko) * | 2001-10-23 | 2003-12-06 | 주식회사 하이닉스반도체 | 연산증폭기의 오프셋 전압을 보상하는 회로 |
| US6956770B2 (en) * | 2003-09-17 | 2005-10-18 | Sandisk Corporation | Non-volatile memory and method with bit line compensation dependent on neighboring operating modes |
| JP5174028B2 (ja) * | 2006-09-27 | 2013-04-03 | サンディスク テクノロジィース インコーポレイテッド | セル集団分布による読み出しマージンを有するメモリ |
| KR100888842B1 (ko) * | 2007-06-28 | 2009-03-17 | 삼성전자주식회사 | 읽기 전압을 최적화할 수 있는 플래시 메모리 장치 및그것의 독출 전압 설정 방법 |
| US8117375B2 (en) * | 2007-10-17 | 2012-02-14 | Micron Technology, Inc. | Memory device program window adjustment |
| KR20110061649A (ko) * | 2008-09-30 | 2011-06-09 | 엘에스아이 코포레이션 | 소프트 데이터 값 생성 방법 |
| JP4818381B2 (ja) * | 2009-03-02 | 2011-11-16 | 株式会社東芝 | 半導体メモリ装置 |
| KR101027501B1 (ko) * | 2009-07-10 | 2011-04-06 | 쓰리에이로직스(주) | Rf 리더, 이의 오프셋 전압 보상 방법 및 이를 포함하는 rf 시스템 |
| US8077515B2 (en) * | 2009-08-25 | 2011-12-13 | Micron Technology, Inc. | Methods, devices, and systems for dealing with threshold voltage change in memory devices |
| KR101618311B1 (ko) * | 2010-02-08 | 2016-05-04 | 삼성전자주식회사 | 플래시 메모리 장치 및 그것의 읽기 방법 |
| 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 |
| US8737136B2 (en) | 2010-07-09 | 2014-05-27 | Stec, Inc. | Apparatus and method for determining a read level of a memory cell based on cycle information |
-
2013
- 2013-02-01 US US13/757,027 patent/US8879324B2/en not_active Expired - Fee Related
-
2014
- 2014-01-10 TW TW103100934A patent/TWI613661B/zh not_active IP Right Cessation
- 2014-01-20 CN CN201410025203.6A patent/CN103971723B/zh not_active Expired - Fee Related
- 2014-01-22 EP EP14152121.1A patent/EP2763140A2/en not_active Withdrawn
- 2014-01-27 JP JP2014012282A patent/JP6556423B2/ja active Active
- 2014-01-28 KR KR1020140010149A patent/KR102180452B1/ko not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102473126A (zh) * | 2009-08-11 | 2012-05-23 | 桑迪士克科技股份有限公司 | 提供闪存系统中的读状态和空闲块管理信息的控制器和方法 |
| CN102479550A (zh) * | 2010-11-25 | 2012-05-30 | 三星电子株式会社 | 补偿操作电压的方法、快闪存储器件、以及数据存储设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014149906A (ja) | 2014-08-21 |
| EP2763140A2 (en) | 2014-08-06 |
| KR102180452B1 (ko) | 2020-11-18 |
| TW201440060A (zh) | 2014-10-16 |
| KR20140099196A (ko) | 2014-08-11 |
| JP6556423B2 (ja) | 2019-08-07 |
| CN103971723A (zh) | 2014-08-06 |
| US8879324B2 (en) | 2014-11-04 |
| US20140219028A1 (en) | 2014-08-07 |
| TWI613661B (zh) | 2018-02-01 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 Termination date: 20210120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |