CN1791941A - 适用于低电压非易失性存储器的读取及擦除验证方法及电路 - Google Patents
适用于低电压非易失性存储器的读取及擦除验证方法及电路 Download PDFInfo
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- CN1791941A CN1791941A CN200480013450.9A CN200480013450A CN1791941A CN 1791941 A CN1791941 A CN 1791941A CN 200480013450 A CN200480013450 A CN 200480013450A CN 1791941 A CN1791941 A CN 1791941A
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- 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
- 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
- G11C16/344—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
- 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
Abstract
Description
VCG | 最高单元Vth | |
VEV1 | 0V | -0.8V |
VEV2 | 0.45V | -0.5V |
VautoEV | 0.65V | -0.3V |
VR1 | 0V | 0V |
VCG | 最高单元Vth | |
VEV1 | 0V | -0.5V |
VEV2 | 0.45V | -0.25 |
VautoEV | 0.65V | -0.05V |
VR1(T) | 0V-0.2V | 0V-0.2V |
Claims (19)
Applications Claiming Priority (3)
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 |
US10/414,132 | 2003-04-14 | ||
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 (2)
Publication Number | Publication Date |
---|---|
CN1791941A true CN1791941A (zh) | 2006-06-21 |
CN1791941B CN1791941B (zh) | 2012-03-21 |
Family
ID=33131451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200480013450.9A Expired - Fee Related CN1791941B (zh) | 2003-04-14 | 2004-04-08 | 非易失性存储器及操作该非易失性存储器的方法 |
Country Status (8)
Country | Link |
---|---|
US (2) | US6839281B2 (zh) |
EP (1) | EP1614119B1 (zh) |
JP (1) | JP2006523911A (zh) |
KR (1) | KR101017322B1 (zh) |
CN (1) | CN1791941B (zh) |
AT (1) | ATE557399T1 (zh) |
TW (1) | TWI338895B (zh) |
WO (1) | WO2004093090A1 (zh) |
Cited By (7)
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CN101221813A (zh) * | 2006-10-20 | 2008-07-16 | 三星电子株式会社 | 闪存设备中恢复数据的方法和相关闪存设备存储系统 |
CN101673580A (zh) * | 2008-07-09 | 2010-03-17 | 三星电子株式会社 | 检测非易失性存储单元的阈值电压位移的方法 |
CN101814829A (zh) * | 2010-04-22 | 2010-08-25 | 上海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 |
CN105448346A (zh) * | 2014-08-22 | 2016-03-30 | 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 |
CN108133730A (zh) * | 2017-12-22 | 2018-06-08 | 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 |
CN110010182A (zh) * | 2019-04-03 | 2019-07-12 | 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 |
CN111261215A (zh) * | 2018-11-30 | 2020-06-09 | 旺宏电子股份有限公司 | 非易失性存储器及其读取方法 |
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US7742339B2 (en) | 2006-01-10 | 2010-06-22 | Saifun Semiconductors Ltd. | Rd algorithm improvement for NROM technology |
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-
2003
- 2003-04-14 US US10/414,132 patent/US6839281B2/en not_active Expired - Lifetime
-
2004
- 2004-04-08 US US10/552,948 patent/US7420846B2/en not_active Expired - Lifetime
- 2004-04-08 KR KR1020057019571A patent/KR101017322B1/ko active IP Right Grant
- 2004-04-08 JP JP2006509861A patent/JP2006523911A/ja active Pending
- 2004-04-08 AT AT04759345T patent/ATE557399T1/de active
- 2004-04-08 WO PCT/US2004/010991 patent/WO2004093090A1/en active Application Filing
- 2004-04-08 EP EP04759345A patent/EP1614119B1/en not_active Expired - Lifetime
- 2004-04-08 CN CN200480013450.9A patent/CN1791941B/zh not_active Expired - Fee Related
- 2004-04-14 TW TW093110407A patent/TWI338895B/zh not_active IP Right Cessation
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101221813A (zh) * | 2006-10-20 | 2008-07-16 | 三星电子株式会社 | 闪存设备中恢复数据的方法和相关闪存设备存储系统 |
CN101221813B (zh) * | 2006-10-20 | 2012-11-21 | 三星电子株式会社 | 闪存设备中恢复数据的方法和相关闪存设备存储系统 |
CN101673580A (zh) * | 2008-07-09 | 2010-03-17 | 三星电子株式会社 | 检测非易失性存储单元的阈值电压位移的方法 |
CN101814829A (zh) * | 2010-04-22 | 2010-08-25 | 上海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 |
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 |
CN105448346A (zh) * | 2014-08-22 | 2016-03-30 | 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 |
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 |
CN108133730A (zh) * | 2017-12-22 | 2018-06-08 | 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 |
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 |
CN111261215A (zh) * | 2018-11-30 | 2020-06-09 | 旺宏电子股份有限公司 | 非易失性存储器及其读取方法 |
CN110010182A (zh) * | 2019-04-03 | 2019-07-12 | 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 |
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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TWI338895B (en) | 2011-03-11 |
TW200509128A (en) | 2005-03-01 |
JP2006523911A (ja) | 2006-10-19 |
US20070058435A1 (en) | 2007-03-15 |
US20040202023A1 (en) | 2004-10-14 |
WO2004093090A1 (en) | 2004-10-28 |
EP1614119B1 (en) | 2012-05-09 |
US6839281B2 (en) | 2005-01-04 |
US7420846B2 (en) | 2008-09-02 |
KR20060003007A (ko) | 2006-01-09 |
CN1791941B (zh) | 2012-03-21 |
EP1614119A1 (en) | 2006-01-11 |
ATE557399T1 (de) | 2012-05-15 |
KR101017322B1 (ko) | 2011-02-28 |
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