TW490671B - Nonvolatile semiconductor memory device - Google Patents
Nonvolatile semiconductor memory device Download PDFInfo
- Publication number
- TW490671B TW490671B TW089117561A TW89117561A TW490671B TW 490671 B TW490671 B TW 490671B TW 089117561 A TW089117561 A TW 089117561A TW 89117561 A TW89117561 A TW 89117561A TW 490671 B TW490671 B TW 490671B
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- Taiwan
- Prior art keywords
- memory cell
- state
- voltage
- writing
- bit line
- Prior art date
Links
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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
-
- 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
- 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
-
- 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
- G11C16/06—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
- G11C16/3468—Prevention of overerasure or overprogramming, e.g. by verifying whilst erasing or writing
-
- 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
- G11C16/3468—Prevention of overerasure or overprogramming, e.g. by verifying whilst erasing or writing
- G11C16/3481—Circuits or methods to verify correct programming of nonvolatile memory cells whilst programming is in progress, e.g. by detecting onset or cessation of current flow in cells and using the detector output to terminate programming
-
- 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
- G11C16/32—Timing circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2211/00—Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C2211/56—Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups
- G11C2211/562—Multilevel memory programming aspects
- G11C2211/5621—Multilevel programming verification
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2211/00—Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C2211/56—Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups
- G11C2211/562—Multilevel memory programming aspects
- G11C2211/5623—Concurrent multilevel programming and reading
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2211/00—Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C2211/56—Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups
- G11C2211/562—Multilevel memory programming aspects
- G11C2211/5624—Concurrent multilevel programming and programming verification
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2211/00—Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C2211/56—Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups
- G11C2211/564—Miscellaneous aspects
- G11C2211/5642—Multilevel memory with buffers, latches, registers at input or output
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Read Only Memory (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24632799A JP2001067884A (ja) | 1999-08-31 | 1999-08-31 | 不揮発性半導体記憶装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW490671B true TW490671B (en) | 2002-06-11 |
Family
ID=17146923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW089117561A TW490671B (en) | 1999-08-31 | 2000-08-30 | Nonvolatile semiconductor memory device |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6243290B1 (enExample) |
| JP (1) | JP2001067884A (enExample) |
| KR (1) | KR100731237B1 (enExample) |
| TW (1) | TW490671B (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7584391B2 (en) | 2002-12-05 | 2009-09-01 | Sandisk Corporation | Smart verify for multi-state memories |
| US8374031B2 (en) | 2010-09-29 | 2013-02-12 | SanDisk Technologies, Inc. | Techniques for the fast settling of word lines in NAND flash memory |
| US8737132B2 (en) | 2012-01-06 | 2014-05-27 | Sandisk Technologies Inc. | Charge cycling by equalizing the source and bit line levels between pulses during no-verify write operations for NAND flash memory |
| CN104821183A (zh) * | 2014-02-03 | 2015-08-05 | 爱思开海力士有限公司 | 半导体器件 |
Families Citing this family (87)
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| JP4057756B2 (ja) * | 2000-03-01 | 2008-03-05 | 松下電器産業株式会社 | 半導体集積回路 |
| DE60045073D1 (de) * | 2000-10-13 | 2010-11-18 | St Microelectronics Srl | Verfahren zum Speichern und Lesen von Daten eines nichtflüchtigen Multibitspeichers mit einer nichtbinären Anzahl von Bits pro Zelle |
| US6542403B1 (en) * | 2001-02-08 | 2003-04-01 | Advanced Micro Devices, Inc. | Piggyback programming using voltage control for multi-level cell flash memory designs |
| JP4907011B2 (ja) * | 2001-04-27 | 2012-03-28 | 株式会社半導体エネルギー研究所 | 不揮発性メモリとその駆動方法、及び半導体装置 |
| US6522580B2 (en) * | 2001-06-27 | 2003-02-18 | Sandisk Corporation | Operating techniques for reducing effects of coupling between storage elements of a non-volatile memory operated in multiple data states |
| EP1298670B1 (en) * | 2001-09-28 | 2007-03-07 | STMicroelectronics S.r.l. | Method for storing and reading data in a multilevel nonvolatile memory with a non-binary number of levels, and architecture therefor |
| US6621739B2 (en) * | 2002-01-18 | 2003-09-16 | Sandisk Corporation | Reducing the effects of noise in non-volatile memories through multiple reads |
| US6781877B2 (en) * | 2002-09-06 | 2004-08-24 | Sandisk Corporation | Techniques for reducing effects of coupling between storage elements of adjacent rows of memory cells |
| JP3889699B2 (ja) * | 2002-11-29 | 2007-03-07 | 株式会社東芝 | 不揮発性半導体記憶装置及びそのデータ書き込み方法 |
| ITMI20022569A1 (it) * | 2002-12-05 | 2004-06-06 | Simicroelectronics S R L | Metodo di programmazione di una memoria a semiconduttore non-volatile programmabile elettronicamente |
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| US6882567B1 (en) * | 2002-12-06 | 2005-04-19 | Multi Level Memory Technology | Parallel programming of multiple-bit-per-cell memory cells on a continuous word line |
| WO2004068500A1 (ja) * | 2003-01-31 | 2004-08-12 | Hitachi, Ltd. | 不揮発性半導体記憶装置 |
| JP5039099B2 (ja) * | 2003-04-04 | 2012-10-03 | ルネサスエレクトロニクス株式会社 | 不揮発性半導体記憶装置 |
| KR100512181B1 (ko) * | 2003-07-11 | 2005-09-05 | 삼성전자주식회사 | 멀티 레벨 셀을 갖는 플래시 메모리 장치와 그것의 독출방법 및 프로그램 방법 |
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| US7173859B2 (en) * | 2004-11-16 | 2007-02-06 | Sandisk Corporation | Faster programming of higher level states in multi-level cell flash memory |
| JP4606869B2 (ja) * | 2004-12-24 | 2011-01-05 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
| GB2468051B (en) * | 2005-01-27 | 2011-02-09 | Spansion Llc | Semiconductor device,address assignment method and verify method |
| US7251160B2 (en) * | 2005-03-16 | 2007-07-31 | Sandisk Corporation | Non-volatile memory and method with power-saving read and program-verify operations |
| JP4801935B2 (ja) * | 2005-06-08 | 2011-10-26 | 株式会社東芝 | 半導体記憶装置 |
| US7366014B2 (en) | 2005-07-28 | 2008-04-29 | Stmicroelectronics S.R.L. | Double page programming system and method |
| EP1748446A1 (en) * | 2005-07-28 | 2007-01-31 | STMicroelectronics S.r.l. | Two pages programming |
| KR100705220B1 (ko) * | 2005-09-15 | 2007-04-06 | 주식회사 하이닉스반도체 | 프로그램 속도를 증가시키기 위한 플래시 메모리 장치의소거 및 프로그램 방법 |
| JP2007102865A (ja) * | 2005-09-30 | 2007-04-19 | Toshiba Corp | 半導体集積回路装置 |
| US7206235B1 (en) | 2005-10-14 | 2007-04-17 | Sandisk Corporation | Apparatus for controlled programming of non-volatile memory exhibiting bit line coupling |
| US7286406B2 (en) * | 2005-10-14 | 2007-10-23 | Sandisk Corporation | Method for controlled programming of non-volatile memory exhibiting bit line coupling |
| US7366022B2 (en) * | 2005-10-27 | 2008-04-29 | Sandisk Corporation | Apparatus for programming of multi-state non-volatile memory using smart verify |
| US7301817B2 (en) | 2005-10-27 | 2007-11-27 | Sandisk Corporation | Method for programming of multi-state non-volatile memory using smart verify |
| US7616481B2 (en) * | 2005-12-28 | 2009-11-10 | Sandisk Corporation | Memories with alternate sensing techniques |
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| US7511646B2 (en) * | 2006-05-15 | 2009-03-31 | Apple Inc. | Use of 8-bit or higher A/D for NAND cell value |
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| KR101448851B1 (ko) * | 2008-02-26 | 2014-10-13 | 삼성전자주식회사 | 비휘발성 메모리 장치에서의 프로그래밍 방법 |
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| JP3612916B2 (ja) | 1997-01-29 | 2005-01-26 | 富士電機リテイルシステムズ株式会社 | 自動販売機の商品収納装置 |
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2000
- 2000-08-25 US US09/645,878 patent/US6243290B1/en not_active Expired - Lifetime
- 2000-08-30 TW TW089117561A patent/TW490671B/zh not_active IP Right Cessation
- 2000-08-30 KR KR1020000050653A patent/KR100731237B1/ko not_active Expired - Fee Related
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| US7584391B2 (en) | 2002-12-05 | 2009-09-01 | Sandisk Corporation | Smart verify for multi-state memories |
| US8374031B2 (en) | 2010-09-29 | 2013-02-12 | SanDisk Technologies, Inc. | Techniques for the fast settling of word lines in NAND flash memory |
| US8737132B2 (en) | 2012-01-06 | 2014-05-27 | Sandisk Technologies Inc. | Charge cycling by equalizing the source and bit line levels between pulses during no-verify write operations for NAND flash memory |
| US8811075B2 (en) | 2012-01-06 | 2014-08-19 | Sandisk Technologies Inc. | Charge cycling by equalizing and regulating the source, well, and bit line levels during write operations for NAND flash memory: verify to program transition |
| US8842471B2 (en) | 2012-01-06 | 2014-09-23 | Sandisk Technologies Inc. | Charge cycling by equalizing and regulating the source, well, and bit line levels during write operations for NAND flash memory: program to verify transition |
| CN104821183A (zh) * | 2014-02-03 | 2015-08-05 | 爱思开海力士有限公司 | 半导体器件 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20010082518A (ko) | 2001-08-30 |
| JP2001067884A (ja) | 2001-03-16 |
| KR100731237B1 (ko) | 2007-06-22 |
| US6243290B1 (en) | 2001-06-05 |
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