TWI369685B - Method of testing a non-volatile memory device - Google Patents
Method of testing a non-volatile memory deviceInfo
- Publication number
- TWI369685B TWI369685B TW097120666A TW97120666A TWI369685B TW I369685 B TWI369685 B TW I369685B TW 097120666 A TW097120666 A TW 097120666A TW 97120666 A TW97120666 A TW 97120666A TW I369685 B TWI369685 B TW I369685B
- Authority
- TW
- Taiwan
- Prior art keywords
- testing
- memory device
- volatile memory
- volatile
- memory
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/006—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation at wafer scale level, i.e. wafer scale integration [WSI]
-
- 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
-
- 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
- G11C16/3404—Convergence or correction of memory cell threshold voltages; Repair or recovery of overerased or overprogrammed cells
- G11C16/3409—Circuits or methods to recover overerased nonvolatile memory cells detected during erase verification, usually by means of a "soft" programming step
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/50—Marginal testing, e.g. race, voltage or current testing
- G11C29/50004—Marginal testing, e.g. race, voltage or current testing of threshold voltage
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/52—Protection of memory contents; Detection of errors in memory contents
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Read Only Memory (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080023838A KR100938045B1 (ko) | 2008-03-14 | 2008-03-14 | 불휘발성 메모리 소자의 테스트 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200939227A TW200939227A (en) | 2009-09-16 |
TWI369685B true TWI369685B (en) | 2012-08-01 |
Family
ID=40983777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW097120666A TWI369685B (en) | 2008-03-14 | 2008-06-04 | Method of testing a non-volatile memory device |
Country Status (6)
Country | Link |
---|---|
US (1) | US7697341B2 (zh) |
JP (1) | JP2009224011A (zh) |
KR (1) | KR100938045B1 (zh) |
CN (1) | CN101533673B (zh) |
DE (1) | DE102008002237B4 (zh) |
TW (1) | TWI369685B (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100933838B1 (ko) * | 2008-03-10 | 2009-12-24 | 주식회사 하이닉스반도체 | 불휘발성 메모리 소자의 테스트 방법 |
KR101069013B1 (ko) * | 2010-07-09 | 2011-09-29 | 주식회사 하이닉스반도체 | 반도체 메모리 장치 및 그의 동작 방법 |
US8482987B2 (en) | 2010-09-02 | 2013-07-09 | Macronix International Co., Ltd. | Method and apparatus for the erase suspend operation |
KR101162000B1 (ko) * | 2010-12-30 | 2012-07-03 | 에스케이하이닉스 주식회사 | 반도체 메모리 장치 및 이의 동작 방법 |
CN102610280B (zh) * | 2011-01-20 | 2015-05-27 | 北京兆易创新科技股份有限公司 | 修复存储芯片的方法和装置、存储芯片 |
KR101184803B1 (ko) * | 2011-06-09 | 2012-09-20 | 에스케이하이닉스 주식회사 | 반도체 장치 및 이의 프로그램 방법 |
CN102890971B (zh) * | 2012-10-22 | 2016-08-03 | 上海华虹宏力半导体制造有限公司 | 存储器的可靠性测试方法 |
US10825529B2 (en) | 2014-08-08 | 2020-11-03 | Macronix International Co., Ltd. | Low latency memory erase suspend operation |
CN105989899B (zh) * | 2015-03-05 | 2019-04-02 | 旺宏电子股份有限公司 | 存储器修补方法及其应用元件 |
US11522724B2 (en) * | 2017-12-11 | 2022-12-06 | International Business Machines Corporation | SRAM as random number generator |
CN108683423B (zh) * | 2018-05-16 | 2022-04-19 | 广东工业大学 | 一种多级闪存信道下的ldpc码动态串行调度译码算法及装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3859912B2 (ja) * | 1999-09-08 | 2006-12-20 | 株式会社東芝 | 不揮発性半導体記憶装置 |
KR100437461B1 (ko) | 2002-01-12 | 2004-06-23 | 삼성전자주식회사 | 낸드 플래시 메모리 장치 및 그것의 소거, 프로그램,그리고 카피백 프로그램 방법 |
CN100365787C (zh) * | 2003-07-29 | 2008-01-30 | 华为技术有限公司 | 支持写缓冲的flash内部单元测试方法 |
KR100642911B1 (ko) * | 2004-11-30 | 2006-11-08 | 주식회사 하이닉스반도체 | 페이지 버퍼 및 이를 이용한 플래쉬 메모리 소자의 검증방법 |
US7430138B2 (en) * | 2005-03-31 | 2008-09-30 | Sandisk Corporation | Erasing non-volatile memory utilizing changing word line conditions to compensate for slower erasing memory cells |
-
2008
- 2008-03-14 KR KR1020080023838A patent/KR100938045B1/ko active IP Right Grant
- 2008-06-04 TW TW097120666A patent/TWI369685B/zh active
- 2008-06-05 DE DE102008002237A patent/DE102008002237B4/de active Active
- 2008-06-11 US US12/136,798 patent/US7697341B2/en active Active
- 2008-06-16 JP JP2008156982A patent/JP2009224011A/ja active Pending
- 2008-11-07 CN CN200810176503.9A patent/CN101533673B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN101533673A (zh) | 2009-09-16 |
CN101533673B (zh) | 2012-07-04 |
US20090231927A1 (en) | 2009-09-17 |
KR100938045B1 (ko) | 2010-01-21 |
US7697341B2 (en) | 2010-04-13 |
DE102008002237A1 (de) | 2009-09-24 |
JP2009224011A (ja) | 2009-10-01 |
DE102008002237B4 (de) | 2012-04-05 |
TW200939227A (en) | 2009-09-16 |
KR20090098438A (ko) | 2009-09-17 |
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