DE10037037A1 - Erfassungszeit-Steuervorrichtung und -Verfahren - Google Patents
Erfassungszeit-Steuervorrichtung und -VerfahrenInfo
- Publication number
- DE10037037A1 DE10037037A1 DE10037037A DE10037037A DE10037037A1 DE 10037037 A1 DE10037037 A1 DE 10037037A1 DE 10037037 A DE10037037 A DE 10037037A DE 10037037 A DE10037037 A DE 10037037A DE 10037037 A1 DE10037037 A1 DE 10037037A1
- Authority
- DE
- Germany
- Prior art keywords
- memory cell
- content
- programming
- setting signal
- page buffer
- 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.)
- Granted
Links
- 230000015654 memory Effects 0.000 title claims abstract description 302
- 238000012795 verification Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 58
- 230000000977 initiatory effect Effects 0.000 title claims description 24
- 239000004065 semiconductor Substances 0.000 title description 3
- 239000000872 buffer Substances 0.000 claims abstract description 144
- 238000012217 deletion Methods 0.000 claims abstract description 28
- 230000037430 deletion Effects 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 210000004027 cell Anatomy 0.000 claims description 279
- 238000001356 surgical procedure Methods 0.000 claims description 14
- 210000000352 storage cell Anatomy 0.000 claims description 3
- 230000008672 reprogramming Effects 0.000 claims 2
- 241001432959 Chernes Species 0.000 claims 1
- 238000013500 data storage Methods 0.000 claims 1
- 239000012536 storage buffer Substances 0.000 claims 1
- 238000007667 floating Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000013459 approach Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
-
- 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
-
- 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
Abstract
Description
Claims (36)
Programmieren einer Referenzspeicherzelle,
Programmieren einer Speicherzelle,
Erzeugen eines Einstellsignals unter Verwendung eines Inhalts der Referenzspeicherzelle und
Verwenden des Einstellsignals, um die Programmierungs verifikationsoperation für die Speicherzelle zu initiieren.
Programmieren einer Referenzspeicherzelle,
Löschen einer Speicherzelle,
Erzeugen eines Einstellsignals unter Verwendung eines Inhalts der Referenzspeicherzelle, und
Verwenden des Einstellsignals, um die Löschungsverifi kationsoperation für die Mehrzahl von Speicherzellen zu in itiieren.
Programmieren einer Referenzspeicherzelle,
Erfassen eines Inhalts der Referenzspeicherzelle, und
Verifizieren des Inhaltes der Speicherzelle, wenn der Inhalt der Referenzspeicherzelle erfasst wurde.
Programmieren einer Referenzspeicherzelle, die an einen Referenzseitenpuffer gekoppelt ist,
Einstellen einer Spannung eines Knotens in dem Refe renzseitenpuffer basierend auf dem Inhalt der Referenzspei cherzelle,
und Bereitstellen der Spannung an dem Knoten zu dem Puffer als das Einstellsignal.
Voreinstellen der Spannung an dem Knoten auf ein logi sches Hoch,
wobei der Schritt des Einstellens der Spannung des Kno tens ein Einstellen der Spannung an dem Knoten auf ein logi sches Niedrig enthält.
einen Referenzseitenpuffer, der ein Einstellinitiie rungssignal erhält und ein Einstellsignal erzeugt, und
eine Mehrzahl von Datenseitenpuffern, die das Einstell signal erhalten und Inhalte einer Mehrzahl von Speicherzel len speichern, wobei jeder der Mehrzahl der Datenseitenpuf fer einen Inhalt einer zugehörigen der Mehrzahl der Spei cherzellen speichert.
eine Speicherzellenanordnung, die eine Mehrzahl von Reihen und eine Mehrzahl von Spalten von Speicherzellen ent hält,
einen X-Decoder, der die Mehrzahl von Reihen von Spei cherzellen auswählt,
einen Y-Decoder, der die Mehrzahl von Spalten von Spei cherzellen auswählt,
eine Datenregister- und Erfassungsverstärkerschaltung, die die Mehrzahl von Reihen und die Mehrzahl von Spalten von Speicherzellen liest und programmiert,
einen I/O-Register und -Puffer, der an die Datenregi ster- und Erfassungsverstärkerschaltung gekoppelt ist, welcher I/O-Register und -Puffer eine externe Schnittstelle der NAND-Typ-Flash-Speichervorrichtung bereitstellt,
eine Hochspannungsschaltung, die Programmier-, Lese- und Löschspannungen zum X-Decoder bereitstellt,
eine Zustandsmaschinenschaltung, die Steuersignale zu der Datenregister- und Erfassungsverstärkerschaltung bereit stellt, und
ein Adressenregister, das eine zu decodierende Adresse zum X-Decoder und zum Y-Decoder bereitstellt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US468422 | 1999-12-20 | ||
US09/468,422 US6304486B1 (en) | 1999-12-20 | 1999-12-20 | Sensing time control device and method |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10037037A1 true DE10037037A1 (de) | 2001-06-21 |
DE10037037B4 DE10037037B4 (de) | 2008-04-03 |
Family
ID=23859752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10037037A Expired - Fee Related DE10037037B4 (de) | 1999-12-20 | 2000-07-27 | Erfassungszeit-Steuervorrichtung und -Verfahren |
Country Status (5)
Country | Link |
---|---|
US (1) | US6304486B1 (de) |
JP (2) | JP2001176276A (de) |
KR (1) | KR100609669B1 (de) |
DE (1) | DE10037037B4 (de) |
TW (1) | TW499679B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004105042A1 (de) * | 2003-05-20 | 2004-12-02 | Infineon Technologies Ag | Vorrichtung und verfahren zum behandeln eines zustands eines speichers |
Families Citing this family (92)
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US6731538B2 (en) * | 2000-03-10 | 2004-05-04 | Kabushiki Kaisha Toshiba | Semiconductor memory device including page latch circuit |
TW200302966A (en) * | 2002-01-29 | 2003-08-16 | Matsushita Electric Ind Co Ltd | Memory device, data processing method and data processing program |
US6621741B2 (en) * | 2002-01-30 | 2003-09-16 | Fujitsu Limited | System for programming verification |
KR100471167B1 (ko) * | 2002-05-13 | 2005-03-08 | 삼성전자주식회사 | 프로그램된 메모리 셀들을 검증하기 위한 페이지 버퍼를구비한 반도체 메모리 장치 |
US6735114B1 (en) * | 2003-02-04 | 2004-05-11 | Advanced Micro Devices, Inc. | Method of improving dynamic reference tracking for flash memory unit |
KR100550638B1 (ko) * | 2003-04-30 | 2006-02-10 | 주식회사 하이닉스반도체 | 비트라인 센싱마진시간의 조절을 위한 테스트모드를 갖는메모리장치 |
DE602004010239T2 (de) * | 2004-05-20 | 2008-09-25 | Stmicroelectronics S.R.L., Agrate Brianza | Verbesserter Seitenspeicher für eine programmierbare Speichervorrichtung |
DE102004063641B4 (de) * | 2004-12-27 | 2011-12-08 | Infineon Technologies Ag | Nichtflüchtige Speichereinrichtung zum Speichern von Daten und Verfahren zum Löschen oder Programmieren derselben |
KR100694967B1 (ko) * | 2005-06-29 | 2007-03-14 | 주식회사 하이닉스반도체 | 프로그램 동작시 에러 발생 비율을 감소시키는 플래시메모리 장치 및 그 프로그램 동작 제어 방법 |
DE602005006274T2 (de) * | 2005-07-28 | 2009-05-07 | Stmicroelectronics S.R.L., Agrate Brianza | NAND Flash Speicher mit Löschprüfung basierend auf einer kürzeren Verzögerung vor dem Sensing |
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CN103258572B (zh) | 2006-05-12 | 2016-12-07 | 苹果公司 | 存储设备中的失真估计和消除 |
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CN101601094B (zh) | 2006-10-30 | 2013-03-27 | 苹果公司 | 使用多个门限读取存储单元的方法 |
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KR100885912B1 (ko) * | 2007-01-23 | 2009-02-26 | 삼성전자주식회사 | 기입된 데이터 값에 기초하여 데이터를 선택적으로검증하는 데이터 검증 방법 및 반도체 메모리 장치 |
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KR101525907B1 (ko) | 2011-09-05 | 2015-06-04 | 니폰덴신뎅와 가부시키가이샤 | 질화물 반도체 구조 및 그 제작방법 |
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JP2019215945A (ja) | 2018-06-14 | 2019-12-19 | 富士通株式会社 | メモリ制御装置、情報処理装置、及びメモリ制御方法 |
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1999
- 1999-12-20 US US09/468,422 patent/US6304486B1/en not_active Expired - Lifetime
-
2000
- 2000-07-19 KR KR1020000041281A patent/KR100609669B1/ko active IP Right Grant
- 2000-07-27 DE DE10037037A patent/DE10037037B4/de not_active Expired - Fee Related
- 2000-11-07 JP JP2000339076A patent/JP2001176276A/ja active Pending
- 2000-12-30 TW TW089127227A patent/TW499679B/zh not_active IP Right Cessation
-
2009
- 2009-04-28 JP JP2009109864A patent/JP2009170098A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004105042A1 (de) * | 2003-05-20 | 2004-12-02 | Infineon Technologies Ag | Vorrichtung und verfahren zum behandeln eines zustands eines speichers |
US7328302B2 (en) | 2003-05-20 | 2008-02-05 | Infineon Technologies Ag | Device and method for treating a state of a memory |
Also Published As
Publication number | Publication date |
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JP2001176276A (ja) | 2001-06-29 |
US6304486B1 (en) | 2001-10-16 |
TW499679B (en) | 2002-08-21 |
JP2009170098A (ja) | 2009-07-30 |
KR20010069992A (ko) | 2001-07-25 |
KR100609669B1 (ko) | 2006-08-09 |
DE10037037B4 (de) | 2008-04-03 |
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