KR101206178B1 - 동적으로 조정 가능한 소프트 프로그램 검증 전압 레벨을 갖는 비휘발성 메모리 및 그를 위한 방법 - Google Patents
동적으로 조정 가능한 소프트 프로그램 검증 전압 레벨을 갖는 비휘발성 메모리 및 그를 위한 방법 Download PDFInfo
- Publication number
- KR101206178B1 KR101206178B1 KR1020107002251A KR20107002251A KR101206178B1 KR 101206178 B1 KR101206178 B1 KR 101206178B1 KR 1020107002251 A KR1020107002251 A KR 1020107002251A KR 20107002251 A KR20107002251 A KR 20107002251A KR 101206178 B1 KR101206178 B1 KR 101206178B1
- Authority
- KR
- South Korea
- Prior art keywords
- block
- verify voltage
- voltage level
- soft program
- program verify
- 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
- 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
- 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
Landscapes
- Read Only Memory (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/831,168 US7649782B2 (en) | 2007-07-31 | 2007-07-31 | Non-volatile memory having a dynamically adjustable soft program verify voltage level and method therefor |
| US11/831,168 | 2007-07-31 | ||
| PCT/US2008/067222 WO2009017889A1 (en) | 2007-07-31 | 2008-06-17 | Non-volatile memory having a dynamically adjustable soft program verify voltage level and method therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20100053539A KR20100053539A (ko) | 2010-05-20 |
| KR101206178B1 true KR101206178B1 (ko) | 2012-11-29 |
Family
ID=40304707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020107002251A Active KR101206178B1 (ko) | 2007-07-31 | 2008-06-17 | 동적으로 조정 가능한 소프트 프로그램 검증 전압 레벨을 갖는 비휘발성 메모리 및 그를 위한 방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7649782B2 (cg-RX-API-DMAC7.html) |
| JP (1) | JP2010535395A (cg-RX-API-DMAC7.html) |
| KR (1) | KR101206178B1 (cg-RX-API-DMAC7.html) |
| TW (1) | TWI457928B (cg-RX-API-DMAC7.html) |
| WO (1) | WO2009017889A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8391070B2 (en) * | 2008-12-02 | 2013-03-05 | Spansion Llc | Moving program verify level for programming of memory |
| US7483311B2 (en) * | 2006-02-07 | 2009-01-27 | Micron Technology, Inc. | Erase operation in a flash memory device |
| US8189396B2 (en) | 2006-12-14 | 2012-05-29 | Mosaid Technologies Incorporated | Word line driver in a hierarchical NOR flash memory |
| NZ562200A (en) * | 2007-10-04 | 2008-11-28 | Arc Innovations Ltd | Method and system for updating a stored data value in a non-volatile memory |
| US8755229B1 (en) | 2009-06-23 | 2014-06-17 | Micron Technology, Inc. | Limiting flash memory over programming |
| JP2011164994A (ja) * | 2010-02-10 | 2011-08-25 | Toshiba Corp | メモリシステム |
| US8482987B2 (en) | 2010-09-02 | 2013-07-09 | Macronix International Co., Ltd. | Method and apparatus for the erase suspend operation |
| US8427877B2 (en) * | 2011-02-11 | 2013-04-23 | Freescale Semiconductor, Inc. | Digital method to obtain the I-V curves of NVM bitcells |
| US8526240B2 (en) * | 2011-08-17 | 2013-09-03 | Ememory Technology Inc. | Flash memory and memory cell programming method thereof |
| WO2013100958A1 (en) * | 2011-12-28 | 2013-07-04 | Intel Corporation | Cycling endurance extending for memory cells of a non-volatile memory array |
| US8760923B2 (en) * | 2012-08-28 | 2014-06-24 | Freescale Semiconductor, Inc. | Non-volatile memory (NVM) that uses soft programming |
| US8929142B2 (en) | 2013-02-05 | 2015-01-06 | Sandisk Technologies Inc. | Programming select gate transistors and memory cells using dynamic verify level |
| US8995198B1 (en) | 2013-10-10 | 2015-03-31 | Spansion Llc | Multi-pass soft programming |
| GB201322075D0 (en) | 2013-12-13 | 2014-01-29 | Ibm | Device for selecting a level for at least one read voltage |
| US20150270004A1 (en) * | 2014-03-20 | 2015-09-24 | Elite Semiconductor Memory Technology Inc. | Method for Performing Erase Operation in Non-Volatile Memory |
| CN105006252A (zh) * | 2014-04-17 | 2015-10-28 | 晶豪科技股份有限公司 | 抹除非易失性存储器的方法 |
| US10825529B2 (en) | 2014-08-08 | 2020-11-03 | Macronix International Co., Ltd. | Low latency memory erase suspend operation |
| US9401217B2 (en) | 2014-08-27 | 2016-07-26 | Freescale Semiconductor, Inc. | Flash memory with improved read performance |
| US9563373B2 (en) | 2014-10-21 | 2017-02-07 | International Business Machines Corporation | Detecting error count deviations for non-volatile memory blocks for advanced non-volatile memory block management |
| US10365859B2 (en) | 2014-10-21 | 2019-07-30 | International Business Machines Corporation | Storage array management employing a merged background management process |
| US9990279B2 (en) | 2014-12-23 | 2018-06-05 | International Business Machines Corporation | Page-level health equalization |
| US10339048B2 (en) | 2014-12-23 | 2019-07-02 | International Business Machines Corporation | Endurance enhancement scheme using memory re-evaluation |
| KR102452994B1 (ko) | 2016-09-06 | 2022-10-12 | 에스케이하이닉스 주식회사 | 반도체 메모리 장치 및 그 동작 방법 |
| US10269439B2 (en) | 2017-03-28 | 2019-04-23 | Western Digital Technologies, Inc. | Post write erase conditioning |
| KR102569820B1 (ko) * | 2018-10-25 | 2023-08-24 | 에스케이하이닉스 주식회사 | 메모리 컨트롤러 및 그 동작 방법 |
| CN111863089B (zh) * | 2019-04-24 | 2022-07-19 | 华邦电子股份有限公司 | 存储器装置及非易失性存储器的控制方法 |
| US11705206B2 (en) * | 2021-08-17 | 2023-07-18 | Sandisk Technologies Llc | Modifying program and erase parameters for single-bit memory cells to improve single-bit/multi-bit hybrid ratio |
| US12386515B2 (en) * | 2023-02-15 | 2025-08-12 | Micron Technology, Inc. | Modification of program voltage level with read or program-verify adjustment for improving reliability in memory devices |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002230981A (ja) | 2001-01-29 | 2002-08-16 | Sharp Corp | 不揮発性半導体メモリ装置およびその消去方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5521867A (en) | 1993-12-01 | 1996-05-28 | Advanced Micro Devices, Inc. | Adjustable threshold voltage conversion circuit |
| US5963477A (en) | 1997-12-09 | 1999-10-05 | Macronix International Co., Ltd. | Flash EPROM erase algorithm with wordline level retry |
| US6496417B1 (en) * | 1999-06-08 | 2002-12-17 | Macronix International Co., Ltd. | Method and integrated circuit for bit line soft programming (BLISP) |
| JP3704460B2 (ja) * | 2000-07-05 | 2005-10-12 | シャープ株式会社 | 不揮発性半導体メモリ装置の消去方法 |
| US6614695B2 (en) | 2001-08-24 | 2003-09-02 | Micron Technology, Inc. | Non-volatile memory with block erase |
| US6684173B2 (en) * | 2001-10-09 | 2004-01-27 | Micron Technology, Inc. | System and method of testing non-volatile memory cells |
| JP2003242787A (ja) * | 2002-02-14 | 2003-08-29 | Mitsubishi Electric Corp | 不揮発性半導体記憶装置 |
| US7073103B2 (en) * | 2002-12-05 | 2006-07-04 | Sandisk Corporation | Smart verify for multi-state memories |
| US7230854B2 (en) * | 2005-08-01 | 2007-06-12 | Sandisk Corporation | Method for programming non-volatile memory with self-adjusting maximum program loop |
| JP2007102923A (ja) * | 2005-10-04 | 2007-04-19 | Toshiba Corp | 不揮発性半導体記憶装置およびそのデータ消去方法 |
-
2007
- 2007-07-31 US US11/831,168 patent/US7649782B2/en active Active
-
2008
- 2008-06-17 WO PCT/US2008/067222 patent/WO2009017889A1/en not_active Ceased
- 2008-06-17 KR KR1020107002251A patent/KR101206178B1/ko active Active
- 2008-06-17 JP JP2010520016A patent/JP2010535395A/ja active Pending
- 2008-07-10 TW TW097126121A patent/TWI457928B/zh active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002230981A (ja) | 2001-01-29 | 2002-08-16 | Sharp Corp | 不揮発性半導体メモリ装置およびその消去方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010535395A (ja) | 2010-11-18 |
| TW200910350A (en) | 2009-03-01 |
| US20090034339A1 (en) | 2009-02-05 |
| WO2009017889A1 (en) | 2009-02-05 |
| US7649782B2 (en) | 2010-01-19 |
| TWI457928B (zh) | 2014-10-21 |
| KR20100053539A (ko) | 2010-05-20 |
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