CN1930632B - 用于非易失性存储器的粗略/精细编程的有效验证 - Google Patents
用于非易失性存储器的粗略/精细编程的有效验证 Download PDFInfo
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- CN1930632B CN1930632B CN2005800073707A CN200580007370A CN1930632B CN 1930632 B CN1930632 B CN 1930632B CN 2005800073707 A CN2005800073707 A CN 2005800073707A CN 200580007370 A CN200580007370 A CN 200580007370A CN 1930632 B CN1930632 B CN 1930632B
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Images
Classifications
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- G—PHYSICS
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- 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
-
- 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
- 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
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- 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
- G11C16/3468—Prevention of overerasure or overprogramming, e.g. by verifying whilst erasing or writing
- G11C16/3481—Circuits or methods to verify correct programming of nonvolatile memory cells whilst programming is in progress, e.g. by detecting onset or cessation of current flow in cells and using the detector output to terminate programming
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- 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
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- 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
- G11C2211/5624—Concurrent multilevel programming and programming verification
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Read Only Memory (AREA)
- Non-Volatile Memory (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (38)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/766,217 US7139198B2 (en) | 2004-01-27 | 2004-01-27 | Efficient verification for coarse/fine programming of non-volatile memory |
US10/766,217 | 2004-01-27 | ||
PCT/US2005/001232 WO2005073975A2 (en) | 2004-01-27 | 2005-01-14 | Efficient verification for coarse/fine programming of non-volatile memory |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1930632A CN1930632A (zh) | 2007-03-14 |
CN1930632B true CN1930632B (zh) | 2010-12-08 |
Family
ID=34795618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800073707A Expired - Fee Related CN1930632B (zh) | 2004-01-27 | 2005-01-14 | 用于非易失性存储器的粗略/精细编程的有效验证 |
Country Status (9)
Country | Link |
---|---|
US (3) | US7139198B2 (zh) |
EP (1) | EP1714290B1 (zh) |
JP (1) | JP4510031B2 (zh) |
KR (1) | KR100858745B1 (zh) |
CN (1) | CN1930632B (zh) |
AT (1) | ATE403933T1 (zh) |
DE (1) | DE602005008713D1 (zh) |
TW (1) | TWI322432B (zh) |
WO (1) | WO2005073975A2 (zh) |
Families Citing this family (175)
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ATE403933T1 (de) | 2008-08-15 |
JP4510031B2 (ja) | 2010-07-21 |
KR100858745B1 (ko) | 2008-09-17 |
US20070058436A1 (en) | 2007-03-15 |
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WO2005073975A3 (en) | 2005-10-06 |
TWI322432B (en) | 2010-03-21 |
JP2007520845A (ja) | 2007-07-26 |
EP1714290B1 (en) | 2008-08-06 |
TW200608408A (en) | 2006-03-01 |
CN1930632A (zh) | 2007-03-14 |
DE602005008713D1 (de) | 2008-09-18 |
EP1714290A2 (en) | 2006-10-25 |
US7139198B2 (en) | 2006-11-21 |
US7317638B2 (en) | 2008-01-08 |
KR20060133589A (ko) | 2006-12-26 |
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