CN100541663C - 存储多值数据的非易失性半导体存储器 - Google Patents
存储多值数据的非易失性半导体存储器 Download PDFInfo
- Publication number
- CN100541663C CN100541663C CNB2006100735107A CN200610073510A CN100541663C CN 100541663 C CN100541663 C CN 100541663C CN B2006100735107 A CNB2006100735107 A CN B2006100735107A CN 200610073510 A CN200610073510 A CN 200610073510A CN 100541663 C CN100541663 C CN 100541663C
- Authority
- CN
- China
- Prior art keywords
- voltage
- memory cell
- reference current
- current
- verification
- 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.)
- Active
Links
Images
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
-
- 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
- G11C16/28—Sensing or reading circuits; Data output circuits using differential sensing or reference cells, e.g. dummy 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
- G11C11/5642—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
-
- 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
-
- 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
-
- 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
- G11C2211/563—Multilevel memory reading aspects
- G11C2211/5634—Reference cells
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Read Only Memory (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005114750A JP2006294144A (ja) | 2005-04-12 | 2005-04-12 | 不揮発性半導体記憶装置 |
| JP2005114750 | 2005-04-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1848294A CN1848294A (zh) | 2006-10-18 |
| CN100541663C true CN100541663C (zh) | 2009-09-16 |
Family
ID=37077809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100735107A Active CN100541663C (zh) | 2005-04-12 | 2006-04-12 | 存储多值数据的非易失性半导体存储器 |
Country Status (4)
| Country | Link |
|---|---|
| US (3) | US7397716B2 (zh) |
| JP (1) | JP2006294144A (zh) |
| KR (1) | KR100785185B1 (zh) |
| CN (1) | CN100541663C (zh) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100850509B1 (ko) * | 2007-01-10 | 2008-08-05 | 삼성전자주식회사 | 프로그램 에러를 감소시킬 수 있는 멀티 비트 플래시메모리 장치의 프로그램 방법 |
| US7729165B2 (en) * | 2007-03-29 | 2010-06-01 | Flashsilicon, Incorporation | Self-adaptive and self-calibrated multiple-level non-volatile memories |
| KR100837282B1 (ko) | 2007-06-14 | 2008-06-12 | 삼성전자주식회사 | 비휘발성 메모리 장치, 그것을 포함하는 메모리 시스템,그것의 프로그램 방법 및 읽기 방법 |
| US7778098B2 (en) * | 2007-12-31 | 2010-08-17 | Cypress Semiconductor Corporation | Dummy cell for memory circuits |
| KR101553375B1 (ko) * | 2009-04-30 | 2015-09-16 | 삼성전자주식회사 | 플래시 메모리 장치 |
| US9666246B2 (en) * | 2013-09-11 | 2017-05-30 | Taiwan Semiconductor Manufacturing Company, Ltd. | Dynamic reference current sensing |
| CN111149166B (zh) * | 2017-07-30 | 2024-01-09 | 纽罗布拉德有限公司 | 基于存储器的分布式处理器架构 |
| CN108198587B (zh) * | 2017-12-21 | 2024-03-19 | 珠海博雅科技股份有限公司 | 基准电流产生电路以及基准电流产生方法 |
| KR102409791B1 (ko) * | 2017-12-27 | 2022-06-16 | 에스케이하이닉스 주식회사 | 반도체 메모리 장치 및 그 동작 방법 |
| CN110137348B (zh) * | 2019-04-11 | 2023-01-31 | 上海集成电路研发中心有限公司 | 一种多路复用多值阻变结构及其形成的神经网络 |
| US11169587B2 (en) * | 2020-01-10 | 2021-11-09 | Micron Technology, Inc. | Feedback for power management of a memory die using a dedicated pin |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423279A (zh) * | 2001-12-03 | 2003-06-11 | 三菱电机株式会社 | 根据存取时的存储单元通过电流来读出数据的半导体存储器 |
| US6650570B2 (en) * | 2000-09-22 | 2003-11-18 | Kabushiki Kaisha Toshiba | Non-volatile semiconductor memory |
| US6768191B2 (en) * | 2001-08-10 | 2004-07-27 | Infineon Technologies Ag | Electronic component with stacked electronic elements |
| US6816413B2 (en) * | 2002-07-15 | 2004-11-09 | Kabushiki Kaishi Toshiba | Nonvolatile semiconductor memory capable of generating read-mode reference current and verify-mode reference current from the same reference cell |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6222762B1 (en) * | 1992-01-14 | 2001-04-24 | Sandisk Corporation | Multi-state memory |
| US5532962A (en) * | 1992-05-20 | 1996-07-02 | Sandisk Corporation | Soft errors handling in EEPROM devices |
| DE69426818T2 (de) * | 1994-06-10 | 2001-10-18 | Stmicroelectronics S.R.L., Agrate Brianza | Fehlertolerantes Speichergerät, insbesondere des Typs "flash EEPROM" |
| KR0172401B1 (ko) * | 1995-12-07 | 1999-03-30 | 김광호 | 다수상태 불휘발성 반도체 메모리 장치 |
| WO1997050089A1 (en) * | 1996-06-24 | 1997-12-31 | Advanced Micro Devices, Inc. | A method for a multiple bits-per-cell flash eeprom with page mode program and read |
| TW365001B (en) * | 1996-10-17 | 1999-07-21 | Hitachi Ltd | Non-volatile semiconductor memory apparatus and the operation method |
| US7139196B2 (en) * | 1999-01-14 | 2006-11-21 | Silicon Storage Technology, Inc. | Sub-volt sensing for digital multilevel flash memory |
| JP4047515B2 (ja) | 1999-05-10 | 2008-02-13 | 株式会社東芝 | 半導体装置 |
| JP3569185B2 (ja) * | 1999-12-24 | 2004-09-22 | Necエレクトロニクス株式会社 | 不揮発性半導体記憶装置 |
| JP3611497B2 (ja) * | 2000-03-02 | 2005-01-19 | 松下電器産業株式会社 | 電流センスアンプ |
| US6222761B1 (en) * | 2000-07-17 | 2001-04-24 | Microchip Technology Incorporated | Method for minimizing program disturb in a memory cell |
| US7071771B2 (en) * | 2000-12-11 | 2006-07-04 | Kabushiki Kaisha Toshiba | Current difference divider circuit |
| JP2002184190A (ja) * | 2000-12-11 | 2002-06-28 | Toshiba Corp | 不揮発性半導体記憶装置 |
| US6493266B1 (en) * | 2001-04-09 | 2002-12-10 | Advanced Micro Devices, Inc. | Soft program and soft program verify of the core cells in flash memory array |
| JP3984445B2 (ja) * | 2001-09-12 | 2007-10-03 | シャープ株式会社 | 不揮発性半導体メモリ装置のオーバーイレースセル検出方法 |
| JP2003257192A (ja) * | 2002-03-06 | 2003-09-12 | Mitsubishi Electric Corp | 半導体記憶装置および不揮発性半導体記憶装置 |
| KR100463954B1 (ko) * | 2002-05-17 | 2004-12-30 | 주식회사 하이닉스반도체 | 플래시 메모리 장치 및 그 소거 방법 |
| JP4260434B2 (ja) * | 2002-07-16 | 2009-04-30 | 富士通マイクロエレクトロニクス株式会社 | 不揮発性半導体メモリ及びその動作方法 |
| US6903965B2 (en) * | 2002-07-18 | 2005-06-07 | Renesas Technology Corp. | Thin film magnetic memory device permitting high precision data read |
| JP4144784B2 (ja) * | 2002-07-30 | 2008-09-03 | シャープ株式会社 | 半導体記憶装置の読み出し回路、そのリファレンス回路および半導体記憶装置 |
| US6618297B1 (en) * | 2002-08-02 | 2003-09-09 | Atmel Corporation | Method of establishing reference levels for sensing multilevel memory cell states |
| ITMI20022569A1 (it) * | 2002-12-05 | 2004-06-06 | Simicroelectronics S R L | Metodo di programmazione di una memoria a semiconduttore non-volatile programmabile elettronicamente |
| ITMI20022570A1 (it) * | 2002-12-05 | 2004-06-06 | Simicroelectronics S R L | Metodo di programmazione di una memoria a semiconduttore non-volatile programmabile elettricamente |
| 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 |
| ITMI20030075A1 (it) * | 2003-01-20 | 2004-07-21 | Simicroelectronics S R L | Amplificatore di rilevamneto parallelo con specchiamento della corrente da misurare su ogni ramo di riferimento. |
| JP4270898B2 (ja) * | 2003-02-07 | 2009-06-03 | Necエレクトロニクス株式会社 | 不揮発性半導体記憶装置 |
| US6912150B2 (en) * | 2003-05-13 | 2005-06-28 | Lionel Portman | Reference current generator, and method of programming, adjusting and/or operating same |
| JP4469649B2 (ja) * | 2003-09-17 | 2010-05-26 | 株式会社ルネサステクノロジ | 半導体フラッシュメモリ |
-
2005
- 2005-04-12 JP JP2005114750A patent/JP2006294144A/ja active Pending
-
2006
- 2006-04-11 US US11/401,286 patent/US7397716B2/en active Active
- 2006-04-11 KR KR1020060032612A patent/KR100785185B1/ko active Active
- 2006-04-12 CN CNB2006100735107A patent/CN100541663C/zh active Active
-
2007
- 2007-06-15 US US11/763,690 patent/US7414892B2/en active Active
- 2007-06-15 US US11/763,743 patent/US7420863B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6650570B2 (en) * | 2000-09-22 | 2003-11-18 | Kabushiki Kaisha Toshiba | Non-volatile semiconductor memory |
| US6768191B2 (en) * | 2001-08-10 | 2004-07-27 | Infineon Technologies Ag | Electronic component with stacked electronic elements |
| CN1423279A (zh) * | 2001-12-03 | 2003-06-11 | 三菱电机株式会社 | 根据存取时的存储单元通过电流来读出数据的半导体存储器 |
| US6816413B2 (en) * | 2002-07-15 | 2004-11-09 | Kabushiki Kaishi Toshiba | Nonvolatile semiconductor memory capable of generating read-mode reference current and verify-mode reference current from the same reference cell |
Also Published As
| Publication number | Publication date |
|---|---|
| US7397716B2 (en) | 2008-07-08 |
| US20070236998A1 (en) | 2007-10-11 |
| CN1848294A (zh) | 2006-10-18 |
| KR20060108230A (ko) | 2006-10-17 |
| US20070242517A1 (en) | 2007-10-18 |
| US20060227619A1 (en) | 2006-10-12 |
| US7414892B2 (en) | 2008-08-19 |
| KR100785185B1 (ko) | 2007-12-11 |
| JP2006294144A (ja) | 2006-10-26 |
| US7420863B2 (en) | 2008-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1848299B (zh) | 非易失性半导体存储装置的基准电流生成电路 | |
| JP3987715B2 (ja) | 不揮発性半導体メモリおよび不揮発性半導体メモリのプログラム電圧制御方法 | |
| US7414892B2 (en) | Nonvolatile semiconductor memory device which stores multivalue data | |
| JP2006012367A (ja) | 不揮発性半導体記憶装置 | |
| KR100660534B1 (ko) | 불휘발성 메모리 장치의 프로그램 검증방법 | |
| JP3906189B2 (ja) | 不揮発性半導体メモリ | |
| JP5909294B1 (ja) | 不揮発性記憶装置のための書き込み回路及び方法、並びに不揮発性記憶装置 | |
| JP6114796B1 (ja) | 不揮発性記憶装置のためのセンス回路及び不揮発性記憶装置 | |
| JPWO2004097839A1 (ja) | 不揮発性半導体記憶装置及び不揮発性半導体記憶装置のプログラム方法 | |
| JP4762986B2 (ja) | 不揮発性記憶装置、および不揮発性記憶装置の制御方法 | |
| US7315475B2 (en) | Non-volatile semiconductor memory device | |
| JP4988190B2 (ja) | 不揮発性半導体メモリ | |
| JP2007035179A (ja) | 不揮発性半導体記憶装置 | |
| US12494263B2 (en) | Flash memory for performing margin read test operation and margin read test system including the same | |
| JP2005149625A (ja) | 半導体メモリ | |
| JP5454949B2 (ja) | 半導体記憶装置 | |
| KR100757126B1 (ko) | 불휘발성 반도체 기억 장치 | |
| JP4004527B2 (ja) | 多状態eepromの読み書き回路 | |
| JP5475975B2 (ja) | 半導体装置およびその調整方法 | |
| JP2010231887A (ja) | 不揮発性半導体メモリ | |
| JP2007109360A (ja) | 半導体記憶装置の読み出し方法及び半導体記憶装置 | |
| JP2006216196A (ja) | 不揮発性半導体記憶装置 | |
| JP2007213719A (ja) | 半導体記憶装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170728 Address after: Tokyo, Japan Patentee after: TOSHIBA MEMORY Corp. Address before: Tokyo, Japan Patentee before: Toshiba Corp. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tokyo Patentee after: Kaixia Co.,Ltd. Address before: Tokyo Patentee before: TOSHIBA MEMORY Corp. Address after: Tokyo Patentee after: TOSHIBA MEMORY Corp. Address before: Tokyo Patentee before: Japanese businessman Panjaya Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211129 Address after: Tokyo Patentee after: Japanese businessman Panjaya Co.,Ltd. Address before: Tokyo Patentee before: TOSHIBA MEMORY Corp. |
|
| TR01 | Transfer of patent right |