ATE557399T1 - Lese- und löschverifikationsverfahren und schaltungen mit eignung für nichtflüchtige niederspannungsspeicher - Google Patents
Lese- und löschverifikationsverfahren und schaltungen mit eignung für nichtflüchtige niederspannungsspeicherInfo
- Publication number
- ATE557399T1 ATE557399T1 AT04759345T AT04759345T ATE557399T1 AT E557399 T1 ATE557399 T1 AT E557399T1 AT 04759345 T AT04759345 T AT 04759345T AT 04759345 T AT04759345 T AT 04759345T AT E557399 T1 ATE557399 T1 AT E557399T1
- Authority
- AT
- Austria
- Prior art keywords
- read
- compensated
- parameter
- low voltage
- erase verification
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/04—Arrangements for writing information into, or reading information out from, a digital store with means for avoiding disturbances due to temperature effects
-
- 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
- G11C16/3445—Circuits or methods to verify correct erasure of nonvolatile memory cells
-
- 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
- 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
- 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
- G11C16/04—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
- G11C16/10—Programming or 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
- G11C16/10—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
- G11C16/20—Initialising; Data preset; Chip identification
-
- 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
- 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
- G11C16/3436—Arrangements for verifying correct programming or erasure
- G11C16/3454—Arrangements for verifying correct programming or for detecting overprogrammed cells
- G11C16/3459—Circuits or methods to verify correct programming of nonvolatile memory cells
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Read Only Memory (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/414,132 US6839281B2 (en) | 2003-04-14 | 2003-04-14 | Read and erase verify methods and circuits suitable for low voltage non-volatile memories |
PCT/US2004/010991 WO2004093090A1 (en) | 2003-04-14 | 2004-04-08 | Read and erase verify methods and circuits suitable for low voltage non-volatile memories |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE557399T1 true ATE557399T1 (de) | 2012-05-15 |
Family
ID=33131451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04759345T ATE557399T1 (de) | 2003-04-14 | 2004-04-08 | Lese- und löschverifikationsverfahren und schaltungen mit eignung für nichtflüchtige niederspannungsspeicher |
Country Status (8)
Country | Link |
---|---|
US (2) | US6839281B2 (de) |
EP (1) | EP1614119B1 (de) |
JP (1) | JP2006523911A (de) |
KR (1) | KR101017322B1 (de) |
CN (1) | CN1791941B (de) |
AT (1) | ATE557399T1 (de) |
TW (1) | TWI338895B (de) |
WO (1) | WO2004093090A1 (de) |
Families Citing this family (65)
Publication number | Priority date | Publication date | Assignee | Title |
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US5657332A (en) * | 1992-05-20 | 1997-08-12 | Sandisk Corporation | Soft errors handling in EEPROM devices |
US7372731B2 (en) * | 2003-06-17 | 2008-05-13 | Sandisk Il Ltd. | Flash memories with adaptive reference voltages |
US7012835B2 (en) * | 2003-10-03 | 2006-03-14 | Sandisk Corporation | Flash memory data correction and scrub techniques |
US7457154B2 (en) * | 2004-03-15 | 2008-11-25 | Applied Intellectual Properties Co., Ltd. | High density memory array system |
JP4801935B2 (ja) | 2005-06-08 | 2011-10-26 | 株式会社東芝 | 半導体記憶装置 |
JP2007149241A (ja) * | 2005-11-29 | 2007-06-14 | Matsushita Electric Ind Co Ltd | 不揮発性半導体記憶装置 |
US7307887B2 (en) * | 2005-12-29 | 2007-12-11 | Sandisk Corporation | Continued verification in non-volatile memory write operations |
US7352629B2 (en) * | 2005-12-29 | 2008-04-01 | Sandisk Corporation | Systems for continued verification in non-volatile memory write operations |
US7742339B2 (en) | 2006-01-10 | 2010-06-22 | Saifun Semiconductors Ltd. | Rd algorithm improvement for NROM technology |
US7391650B2 (en) * | 2006-06-16 | 2008-06-24 | Sandisk Corporation | Method for operating non-volatile memory using temperature compensation of voltages of unselected word lines and select gates |
US7342831B2 (en) * | 2006-06-16 | 2008-03-11 | Sandisk Corporation | System for operating non-volatile memory using temperature compensation of voltages of unselected word lines and select gates |
US7292495B1 (en) * | 2006-06-29 | 2007-11-06 | Freescale Semiconductor, Inc. | Integrated circuit having a memory with low voltage read/write operation |
US7716538B2 (en) * | 2006-09-27 | 2010-05-11 | Sandisk Corporation | Memory with cell population distribution assisted read margining |
US7886204B2 (en) * | 2006-09-27 | 2011-02-08 | Sandisk Corporation | Methods of cell population distribution assisted read margining |
KR100830580B1 (ko) * | 2006-10-20 | 2008-05-21 | 삼성전자주식회사 | 플래시 메모리 장치를 포함한 메모리 시스템의 데이터 복원방법 |
JP2008135100A (ja) * | 2006-11-28 | 2008-06-12 | Toshiba Corp | 半導体記憶装置及びそのデータ消去方法 |
JP2008140488A (ja) * | 2006-12-04 | 2008-06-19 | Toshiba Corp | 半導体記憶装置 |
US7554853B2 (en) * | 2006-12-30 | 2009-06-30 | Sandisk Corporation | Non-volatile storage with bias based on selective word line |
US7583535B2 (en) * | 2006-12-30 | 2009-09-01 | Sandisk Corporation | Biasing non-volatile storage to compensate for temperature variations |
US7468920B2 (en) * | 2006-12-30 | 2008-12-23 | Sandisk Corporation | Applying adaptive body bias to non-volatile storage |
US7468919B2 (en) * | 2006-12-30 | 2008-12-23 | Sandisk Corporation | Biasing non-volatile storage based on selected word line |
US7525843B2 (en) * | 2006-12-30 | 2009-04-28 | Sandisk Corporation | Non-volatile storage with adaptive body bias |
US7583539B2 (en) * | 2006-12-30 | 2009-09-01 | Sandisk Corporation | Non-volatile storage with bias for temperature compensation |
KR100816220B1 (ko) * | 2007-03-14 | 2008-03-21 | 주식회사 하이닉스반도체 | 불휘발성 메모리 장치의 언더 프로그램 셀 검출 방법 및그를 이용한 프로그램 방법 |
US7447079B2 (en) * | 2007-04-05 | 2008-11-04 | Sandisk Corporation | Method for sensing negative threshold voltages in non-volatile storage using current sensing |
US7606076B2 (en) * | 2007-04-05 | 2009-10-20 | Sandisk Corporation | Sensing in non-volatile storage using pulldown to regulated source voltage to remove system noise |
US7606071B2 (en) * | 2007-04-24 | 2009-10-20 | Sandisk Corporation | Compensating source voltage drop in non-volatile storage |
US7606072B2 (en) * | 2007-04-24 | 2009-10-20 | Sandisk Corporation | Non-volatile storage with compensation for source voltage drop |
US7558117B2 (en) * | 2007-08-30 | 2009-07-07 | Kabushiki Kaisha Toshiba | Nonvolatile semiconductor memory device |
EP2235487A1 (de) * | 2007-12-17 | 2010-10-06 | Nxp B.V. | Temperaturschätzung von speicherelementen |
KR100953063B1 (ko) * | 2008-05-23 | 2010-04-14 | 주식회사 하이닉스반도체 | 불휘발성 메모리 장치의 소거 방법 |
US7924623B2 (en) * | 2008-05-27 | 2011-04-12 | Micron Technology, Inc. | Method for memory cell erasure with a programming monitor of reference cells |
KR101434400B1 (ko) * | 2008-07-09 | 2014-08-27 | 삼성전자주식회사 | 불휘발성 메모리 장치 및 메모리 시스템 및 그것의 관리방법 |
US8197683B2 (en) * | 2008-10-16 | 2012-06-12 | William Steven Lopes | System for conditioning fluids utilizing a magnetic fluid processor |
US8004917B2 (en) | 2008-09-22 | 2011-08-23 | Sandisk Technologies Inc. | Bandgap voltage and temperature coefficient trimming algorithm |
US7889575B2 (en) * | 2008-09-22 | 2011-02-15 | Sandisk Corporation | On-chip bias voltage temperature coefficient self-calibration mechanism |
US8036044B2 (en) * | 2009-07-16 | 2011-10-11 | Sandisk Technologies Inc. | Dynamically adjustable erase and program levels for non-volatile memory |
US8213255B2 (en) * | 2010-02-19 | 2012-07-03 | Sandisk Technologies Inc. | Non-volatile storage with temperature compensation based on neighbor state information |
JP2011204299A (ja) * | 2010-03-24 | 2011-10-13 | Toshiba Corp | 不揮発性半導体記憶装置 |
US8130551B2 (en) * | 2010-03-31 | 2012-03-06 | Sandisk Technologies Inc. | Extra dummy erase pulses after shallow erase-verify to avoid sensing deep erased threshold voltage |
CN101814829B (zh) * | 2010-04-22 | 2015-09-16 | 上海华虹宏力半导体制造有限公司 | 电荷泵电路的参考电压产生电路及电荷泵电路 |
US8416624B2 (en) * | 2010-05-21 | 2013-04-09 | SanDisk Technologies, Inc. | Erase and programming techniques to reduce the widening of state distributions in non-volatile memories |
CN102543198B (zh) * | 2010-12-20 | 2015-11-25 | 北京兆易创新科技股份有限公司 | 一种mlc存储单元的编程方法和装置 |
US8630125B2 (en) | 2011-06-02 | 2014-01-14 | Micron Technology, Inc. | Memory cell sensing using a boost voltage |
US8687421B2 (en) | 2011-11-21 | 2014-04-01 | Sandisk Technologies Inc. | Scrub techniques for use with dynamic read |
US8542000B1 (en) | 2012-03-19 | 2013-09-24 | Sandisk Technologies Inc. | Curvature compensated band-gap design |
US8941369B2 (en) | 2012-03-19 | 2015-01-27 | Sandisk Technologies Inc. | Curvature compensated band-gap design trimmable at a single temperature |
JP5631436B2 (ja) * | 2013-04-09 | 2014-11-26 | ウィンボンド エレクトロニクス コーポレーション | 半導体記憶装置 |
CN104347117B (zh) * | 2013-08-06 | 2018-07-06 | 华邦电子股份有限公司 | 半导体存储装置及其擦除方法 |
US9196366B2 (en) | 2013-09-18 | 2015-11-24 | Winbond Electronics Corp. | Semiconductor memory apparatus and method for erasing the same |
US9541456B2 (en) | 2014-02-07 | 2017-01-10 | Sandisk Technologies Llc | Reference voltage generator for temperature sensor with trimming capability at two temperatures |
US9230689B2 (en) | 2014-03-17 | 2016-01-05 | Sandisk Technologies Inc. | Finding read disturbs on non-volatile memories |
KR102190241B1 (ko) | 2014-07-31 | 2020-12-14 | 삼성전자주식회사 | 메모리 컨트롤러의 동작 방법 및 불휘발성 메모리 시스템 |
CN105448346B (zh) * | 2014-08-22 | 2018-09-25 | 中芯国际集成电路制造(上海)有限公司 | 存储单元可靠性的测试方法 |
US9552171B2 (en) | 2014-10-29 | 2017-01-24 | Sandisk Technologies Llc | Read scrub with adaptive counter management |
US9978456B2 (en) | 2014-11-17 | 2018-05-22 | Sandisk Technologies Llc | Techniques for reducing read disturb in partially written blocks of non-volatile memory |
US9349479B1 (en) | 2014-11-18 | 2016-05-24 | Sandisk Technologies Inc. | Boundary word line operation in nonvolatile memory |
US9449700B2 (en) | 2015-02-13 | 2016-09-20 | Sandisk Technologies Llc | Boundary word line search and open block read methods with reduced read disturb |
US9715913B1 (en) | 2015-07-30 | 2017-07-25 | Sandisk Technologies Llc | Temperature code circuit with single ramp for calibration and determination |
US9653154B2 (en) | 2015-09-21 | 2017-05-16 | Sandisk Technologies Llc | Write abort detection for multi-state memories |
TWI627631B (zh) | 2016-07-18 | 2018-06-21 | 旺宏電子股份有限公司 | 記憶胞的操作方法及其應用 |
JP2018142240A (ja) | 2017-02-28 | 2018-09-13 | 東芝メモリ株式会社 | メモリシステム |
CN108133730B (zh) * | 2017-12-22 | 2020-09-11 | 联芸科技(杭州)有限公司 | 快闪存储器的读取控制方法、存储器读取装置和存储器系统 |
US10622080B1 (en) * | 2018-11-30 | 2020-04-14 | Macronix International Co., Ltd. | Non-volatile memory and reading method thereof |
CN110010182B (zh) * | 2019-04-03 | 2023-07-18 | 湖南大佳数据科技有限公司 | 一种非易失性存储器的编程方法 |
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JPH06259977A (ja) * | 1993-03-03 | 1994-09-16 | Nec Ic Microcomput Syst Ltd | フラッシュ消去型不揮発性メモリ |
KR0169267B1 (ko) | 1993-09-21 | 1999-02-01 | 사토 후미오 | 불휘발성 반도체 기억장치 |
JP3476952B2 (ja) | 1994-03-15 | 2003-12-10 | 株式会社東芝 | 不揮発性半導体記憶装置 |
JP3730272B2 (ja) | 1994-09-17 | 2005-12-21 | 株式会社東芝 | 不揮発性半導体記憶装置 |
US5694356A (en) | 1994-11-02 | 1997-12-02 | Invoice Technology, Inc. | High resolution analog storage EPROM and flash EPROM |
US5537358A (en) * | 1994-12-06 | 1996-07-16 | National Semiconductor Corporation | Flash memory having adaptive sensing and method |
US5687114A (en) * | 1995-10-06 | 1997-11-11 | Agate Semiconductor, Inc. | Integrated circuit for storage and retrieval of multiple digital bits per nonvolatile memory cell |
US5969985A (en) | 1996-03-18 | 1999-10-19 | Kabushiki Kaisha Toshiba | Nonvolatile semiconductor memory device |
US5903495A (en) | 1996-03-18 | 1999-05-11 | Kabushiki Kaisha Toshiba | Semiconductor device and memory system |
US6134140A (en) | 1997-05-14 | 2000-10-17 | Kabushiki Kaisha Toshiba | Nonvolatile semiconductor memory device with soft-programming to adjust erased state of memory cells |
US6088559A (en) | 1998-12-21 | 2000-07-11 | Xerox Corporation | Closed loop photoreceptor belt tensioner |
JP3954245B2 (ja) * | 1999-07-22 | 2007-08-08 | 株式会社東芝 | 電圧発生回路 |
JP3863330B2 (ja) | 1999-09-28 | 2006-12-27 | 株式会社東芝 | 不揮発性半導体メモリ |
US6738289B2 (en) * | 2001-02-26 | 2004-05-18 | Sandisk Corporation | Non-volatile memory with improved programming and method therefor |
US6459620B1 (en) * | 2001-06-21 | 2002-10-01 | Tower Semiconductor Ltd. | Sense amplifier offset cancellation in non-volatile memory circuits by dedicated programmed reference non-volatile memory cells |
US6560152B1 (en) | 2001-11-02 | 2003-05-06 | Sandisk Corporation | Non-volatile memory with temperature-compensated data read |
US6870770B2 (en) * | 2001-12-12 | 2005-03-22 | Micron Technology, Inc. | Method and architecture to calibrate read operations in synchronous flash memory |
US6914839B2 (en) * | 2001-12-24 | 2005-07-05 | Intel Corporation | Self-timed sneak current cancellation |
US6542407B1 (en) * | 2002-01-18 | 2003-04-01 | Sandisk Corporation | Techniques of recovering data from memory cells affected by field coupling with adjacent memory cells |
-
2003
- 2003-04-14 US US10/414,132 patent/US6839281B2/en not_active Expired - Lifetime
-
2004
- 2004-04-08 JP JP2006509861A patent/JP2006523911A/ja active Pending
- 2004-04-08 EP EP04759345A patent/EP1614119B1/de not_active Expired - Lifetime
- 2004-04-08 CN CN200480013450.9A patent/CN1791941B/zh not_active Expired - Fee Related
- 2004-04-08 WO PCT/US2004/010991 patent/WO2004093090A1/en active Application Filing
- 2004-04-08 US US10/552,948 patent/US7420846B2/en not_active Expired - Lifetime
- 2004-04-08 AT AT04759345T patent/ATE557399T1/de active
- 2004-04-08 KR KR1020057019571A patent/KR101017322B1/ko active IP Right Grant
- 2004-04-14 TW TW093110407A patent/TWI338895B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1614119B1 (de) | 2012-05-09 |
US6839281B2 (en) | 2005-01-04 |
US20070058435A1 (en) | 2007-03-15 |
CN1791941B (zh) | 2012-03-21 |
KR101017322B1 (ko) | 2011-02-28 |
US7420846B2 (en) | 2008-09-02 |
KR20060003007A (ko) | 2006-01-09 |
CN1791941A (zh) | 2006-06-21 |
TWI338895B (en) | 2011-03-11 |
TW200509128A (en) | 2005-03-01 |
US20040202023A1 (en) | 2004-10-14 |
WO2004093090A1 (en) | 2004-10-28 |
JP2006523911A (ja) | 2006-10-19 |
EP1614119A1 (de) | 2006-01-11 |
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