CN103971746B - 固态存储装置及其数据擦除方法 - Google Patents
固态存储装置及其数据擦除方法 Download PDFInfo
- Publication number
- CN103971746B CN103971746B CN201310045901.8A CN201310045901A CN103971746B CN 103971746 B CN103971746 B CN 103971746B CN 201310045901 A CN201310045901 A CN 201310045901A CN 103971746 B CN103971746 B CN 103971746B
- Authority
- CN
- China
- Prior art keywords
- block
- voltage
- erasing
- state
- unit
- 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
-
- 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
- G11C11/5635—Erasing 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
- G11C16/10—Programming or data input circuits
- G11C16/14—Circuits for erasing electrically, e.g. erase voltage switching circuits
- G11C16/16—Circuits for erasing electrically, e.g. erase voltage switching circuits for erasing blocks, e.g. arrays, words, groups
-
- 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
- G11C16/14—Circuits for erasing electrically, e.g. erase voltage switching 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
-
- 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
- G11C16/3436—Arrangements for verifying correct programming or erasure
- G11C16/344—Arrangements for verifying correct erasure or for detecting overerased cells
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2216/00—Indexing scheme relating to G11C16/00 and subgroups, for features not directly covered by these groups
- G11C2216/12—Reading and writing aspects of erasable programmable read-only memories
- G11C2216/18—Flash erasure of all the cells in an array, sector or block simultaneously
Abstract
Description
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310045901.8A CN103971746B (zh) | 2013-02-05 | 2013-02-05 | 固态存储装置及其数据擦除方法 |
US13/920,159 US9042186B2 (en) | 2013-02-05 | 2013-06-18 | Solid state drive and data erasing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310045901.8A CN103971746B (zh) | 2013-02-05 | 2013-02-05 | 固态存储装置及其数据擦除方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103971746A CN103971746A (zh) | 2014-08-06 |
CN103971746B true CN103971746B (zh) | 2017-03-01 |
Family
ID=51241137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310045901.8A Active CN103971746B (zh) | 2013-02-05 | 2013-02-05 | 固态存储装置及其数据擦除方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US9042186B2 (zh) |
CN (1) | CN103971746B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9646721B1 (en) * | 2016-03-31 | 2017-05-09 | EMC IP Holding Company LLC | Solid state drive bad block management |
US10297324B2 (en) * | 2017-05-25 | 2019-05-21 | Western Digital Technologies, Inc. | Physical secure erase of solid state drives |
CN111863083A (zh) * | 2019-04-29 | 2020-10-30 | 北京兆易创新科技股份有限公司 | 一种NOR flash存储器编程的方法、装置以及NOR flash存储器 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1933022A (zh) * | 2005-09-12 | 2007-03-21 | 旺宏电子股份有限公司 | 非易失性存储单元的空穴退火方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20120030818A (ko) * | 2010-09-20 | 2012-03-29 | 삼성전자주식회사 | 불휘발성 메모리 장치 및 그것의 소거 방법 |
KR101281706B1 (ko) * | 2011-02-28 | 2013-07-03 | 에스케이하이닉스 주식회사 | 불휘발성 메모리 장치 및 그의 소거 동작 제어 방법 |
-
2013
- 2013-02-05 CN CN201310045901.8A patent/CN103971746B/zh active Active
- 2013-06-18 US US13/920,159 patent/US9042186B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1933022A (zh) * | 2005-09-12 | 2007-03-21 | 旺宏电子股份有限公司 | 非易失性存储单元的空穴退火方法 |
Also Published As
Publication number | Publication date |
---|---|
CN103971746A (zh) | 2014-08-06 |
US9042186B2 (en) | 2015-05-26 |
US20140219019A1 (en) | 2014-08-07 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20170203 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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TR01 | Transfer of patent right |
Effective date of registration: 20191227 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. |
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