DE60319437D1 - Nichtflüchtiger halbleiterspeicher mit zykluszählwerte speichernden grossen löschblöcken - Google Patents
Nichtflüchtiger halbleiterspeicher mit zykluszählwerte speichernden grossen löschblöckenInfo
- Publication number
- DE60319437D1 DE60319437D1 DE60319437T DE60319437T DE60319437D1 DE 60319437 D1 DE60319437 D1 DE 60319437D1 DE 60319437 T DE60319437 T DE 60319437T DE 60319437 T DE60319437 T DE 60319437T DE 60319437 D1 DE60319437 D1 DE 60319437D1
- Authority
- DE
- Germany
- Prior art keywords
- block
- stored
- cycle count
- user data
- erased
- 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
- 230000007812 deficiency Effects 0.000 title 1
- 239000004065 semiconductor Substances 0.000 title 1
- 238000000034 method Methods 0.000 abstract 1
- 238000010200 validation analysis Methods 0.000 abstract 1
Classifications
-
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1068—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices in sector programmable memories, e.g. flash disk
-
- 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
-
- 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
- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
- G11C16/3418—Disturbance prevention or evaluation; Refreshing of disturbed memory data
- G11C16/3427—Circuits or methods to prevent or reduce disturbance of the state of a memory cell when neighbouring cells are read or written
-
- 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
- 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
- G11C16/349—Arrangements for evaluating degradation, retention or wearout, e.g. by counting erase cycles
-
- 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
- G11C2211/564—Miscellaneous aspects
- G11C2211/5641—Multilevel memory having cells with different number of storage levels
-
- 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
- G11C2211/564—Miscellaneous aspects
- G11C2211/5646—Multilevel memory with flag bits, e.g. for showing that a "first page" of a word line is programmed but not a "second page"
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/353,574 US6944063B2 (en) | 2003-01-28 | 2003-01-28 | Non-volatile semiconductor memory with large erase blocks storing cycle counts |
US353574 | 2003-01-28 | ||
PCT/US2003/040361 WO2004070731A1 (en) | 2003-01-28 | 2003-12-18 | Non-volatile semiconductor memory with large erase blocks storing cycle counts |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60319437D1 true DE60319437D1 (de) | 2008-04-10 |
DE60319437T2 DE60319437T2 (de) | 2009-02-19 |
Family
ID=32736208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60319437T Expired - Lifetime DE60319437T2 (de) | 2003-01-28 | 2003-12-18 | Nichtflüchtiger halbleiterspeicher mit zykluszählwerte speichernden grossen löschblöcken |
Country Status (10)
Country | Link |
---|---|
US (4) | US6944063B2 (de) |
EP (2) | EP1975942B1 (de) |
JP (1) | JP4648006B2 (de) |
KR (1) | KR101089575B1 (de) |
CN (1) | CN1754230B (de) |
AT (1) | ATE387715T1 (de) |
AU (1) | AU2003297327A1 (de) |
DE (1) | DE60319437T2 (de) |
TW (1) | TWI323466B (de) |
WO (1) | WO2004070731A1 (de) |
Families Citing this family (101)
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2003
- 2003-01-28 US US10/353,574 patent/US6944063B2/en not_active Expired - Lifetime
- 2003-12-18 AU AU2003297327A patent/AU2003297327A1/en not_active Abandoned
- 2003-12-18 DE DE60319437T patent/DE60319437T2/de not_active Expired - Lifetime
- 2003-12-18 JP JP2004568035A patent/JP4648006B2/ja not_active Expired - Lifetime
- 2003-12-18 WO PCT/US2003/040361 patent/WO2004070731A1/en active IP Right Grant
- 2003-12-18 AT AT03815779T patent/ATE387715T1/de not_active IP Right Cessation
- 2003-12-18 EP EP07076027A patent/EP1975942B1/de not_active Expired - Lifetime
- 2003-12-18 CN CN2003801092176A patent/CN1754230B/zh not_active Expired - Lifetime
- 2003-12-18 KR KR1020057013970A patent/KR101089575B1/ko active IP Right Grant
- 2003-12-18 EP EP03815779A patent/EP1588379B1/de not_active Expired - Lifetime
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2004
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- 2004-12-02 US US11/004,139 patent/US7307881B2/en active Active
- 2004-12-02 US US11/003,046 patent/US7085161B2/en not_active Expired - Lifetime
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AU2003297327A8 (en) | 2004-08-30 |
KR20050116796A (ko) | 2005-12-13 |
US20050099870A1 (en) | 2005-05-12 |
KR101089575B1 (ko) | 2011-12-05 |
CN1754230A (zh) | 2006-03-29 |
ATE387715T1 (de) | 2008-03-15 |
US7307881B2 (en) | 2007-12-11 |
CN1754230B (zh) | 2010-10-06 |
TWI323466B (en) | 2010-04-11 |
US20040145952A1 (en) | 2004-07-29 |
US6944063B2 (en) | 2005-09-13 |
JP2006513525A (ja) | 2006-04-20 |
EP1975942B1 (de) | 2012-06-06 |
EP1975942A1 (de) | 2008-10-01 |
US20060206770A1 (en) | 2006-09-14 |
DE60319437T2 (de) | 2009-02-19 |
US7085161B2 (en) | 2006-08-01 |
JP4648006B2 (ja) | 2011-03-09 |
WO2004070731A1 (en) | 2004-08-19 |
EP1588379B1 (de) | 2008-02-27 |
AU2003297327A1 (en) | 2004-08-30 |
EP1588379A1 (de) | 2005-10-26 |
US20050102466A1 (en) | 2005-05-12 |
US7394692B2 (en) | 2008-07-01 |
TW200421349A (en) | 2004-10-16 |
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