DE60142959D1 - Sektoren eines synchronen flash-speichers - Google Patents
Sektoren eines synchronen flash-speichersInfo
- Publication number
- DE60142959D1 DE60142959D1 DE60142959T DE60142959T DE60142959D1 DE 60142959 D1 DE60142959 D1 DE 60142959D1 DE 60142959 T DE60142959 T DE 60142959T DE 60142959 T DE60142959 T DE 60142959T DE 60142959 D1 DE60142959 D1 DE 60142959D1
- Authority
- DE
- Germany
- Prior art keywords
- sectors
- array
- flash memory
- synchronous flash
- memory cells
- 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.)
- Expired - Lifetime
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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/24—Memory cell safety or protection circuits, e.g. arrangements for preventing inadvertent reading or writing; Status cells; Test 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
- G11C16/22—Safety or protection circuits preventing unauthorised or accidental access to memory cells
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1072—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers for memories with random access ports synchronised on clock signal pulse trains, e.g. synchronous memories, self timed memories
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Read Only Memory (AREA)
- Storage Device Security (AREA)
- Photovoltaic Devices (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Bipolar Integrated Circuits (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19350600P | 2000-03-30 | 2000-03-30 | |
US09/608,256 US6654847B1 (en) | 2000-06-30 | 2000-06-30 | Top/bottom symmetrical protection scheme for flash |
PCT/US2001/040413 WO2001075893A2 (en) | 2000-03-30 | 2001-03-30 | Symmetrical protection scheme for first and last sectors of synchronous flash memory |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60142959D1 true DE60142959D1 (de) | 2010-10-14 |
Family
ID=26889065
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1269474T Pending DE1269474T1 (de) | 2000-03-30 | 2001-03-30 | Symmetrisches schutzverfahren für erste und letzte sektoren eines synchronen flash-speichers |
DE60142959T Expired - Lifetime DE60142959D1 (de) | 2000-03-30 | 2001-03-30 | Sektoren eines synchronen flash-speichers |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1269474T Pending DE1269474T1 (de) | 2000-03-30 | 2001-03-30 | Symmetrisches schutzverfahren für erste und letzte sektoren eines synchronen flash-speichers |
Country Status (7)
Country | Link |
---|---|
EP (2) | EP2287847A3 (de) |
JP (2) | JP3821431B2 (de) |
KR (1) | KR100438636B1 (de) |
AT (1) | ATE479989T1 (de) |
AU (1) | AU2001255825A1 (de) |
DE (2) | DE1269474T1 (de) |
WO (1) | WO2001075893A2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101024334B1 (ko) * | 2003-08-20 | 2011-03-23 | 매그나칩 반도체 유한회사 | 플래시 기억 장치의 과소거 방지 회로 및 그 방법 |
GB2427494B (en) * | 2004-04-13 | 2008-01-16 | Spansion Llc | Sector protection circuit and sector protection method for non-volatile semiconductor storage device, and non-volatile semiconductor storage device |
US7911824B2 (en) | 2007-08-01 | 2011-03-22 | Panasonic Corporation | Nonvolatile memory apparatus |
JP2012203919A (ja) | 2011-03-23 | 2012-10-22 | Toshiba Corp | 半導体記憶装置およびその制御方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5592641A (en) * | 1993-06-30 | 1997-01-07 | Intel Corporation | Method and device for selectively locking write access to blocks in a memory array using write protect inputs and block enabled status |
US5696917A (en) * | 1994-06-03 | 1997-12-09 | Intel Corporation | Method and apparatus for performing burst read operations in an asynchronous nonvolatile memory |
JP3487690B2 (ja) * | 1995-06-20 | 2004-01-19 | シャープ株式会社 | 不揮発性半導体記憶装置 |
US5890191A (en) * | 1996-05-10 | 1999-03-30 | Motorola, Inc. | Method and apparatus for providing erasing and programming protection for electrically erasable programmable read only memory |
US6031757A (en) * | 1996-11-22 | 2000-02-29 | Macronix International Co., Ltd. | Write protected, non-volatile memory device with user programmable sector lock capability |
FR2770327B1 (fr) * | 1997-10-24 | 2000-01-14 | Sgs Thomson Microelectronics | Memoire non volatile programmable et effacable electriquement comprenant une zone protegeable en lecture et/ou en ecriture et systeme electronique l'incorporant |
US6026016A (en) * | 1998-05-11 | 2000-02-15 | Intel Corporation | Methods and apparatus for hardware block locking in a nonvolatile memory |
-
2001
- 2001-03-30 EP EP10172907A patent/EP2287847A3/de not_active Withdrawn
- 2001-03-30 KR KR10-2002-7013098A patent/KR100438636B1/ko not_active IP Right Cessation
- 2001-03-30 JP JP2001573485A patent/JP3821431B2/ja not_active Expired - Fee Related
- 2001-03-30 AU AU2001255825A patent/AU2001255825A1/en not_active Abandoned
- 2001-03-30 EP EP01929036A patent/EP1269474B1/de not_active Expired - Lifetime
- 2001-03-30 AT AT01929036T patent/ATE479989T1/de not_active IP Right Cessation
- 2001-03-30 WO PCT/US2001/040413 patent/WO2001075893A2/en active IP Right Grant
- 2001-03-30 DE DE1269474T patent/DE1269474T1/de active Pending
- 2001-03-30 DE DE60142959T patent/DE60142959D1/de not_active Expired - Lifetime
-
2006
- 2006-01-06 JP JP2006001310A patent/JP4229946B6/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2001075893A3 (en) | 2002-04-18 |
WO2001075893A2 (en) | 2001-10-11 |
JP4229946B6 (ja) | 2018-06-27 |
JP2006164511A (ja) | 2006-06-22 |
ATE479989T1 (de) | 2010-09-15 |
JP4229946B2 (ja) | 2009-02-25 |
EP1269474A2 (de) | 2003-01-02 |
KR100438636B1 (ko) | 2004-07-02 |
EP1269474B1 (de) | 2010-09-01 |
AU2001255825A1 (en) | 2001-10-15 |
DE1269474T1 (de) | 2003-08-14 |
JP2003529881A (ja) | 2003-10-07 |
EP2287847A2 (de) | 2011-02-23 |
JP3821431B2 (ja) | 2006-09-13 |
EP2287847A3 (de) | 2011-05-18 |
KR20020087114A (ko) | 2002-11-21 |
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