AU2002367512A1 - System and method for programming ono dual bit memory cells - Google Patents
System and method for programming ono dual bit memory cellsInfo
- Publication number
- AU2002367512A1 AU2002367512A1 AU2002367512A AU2002367512A AU2002367512A1 AU 2002367512 A1 AU2002367512 A1 AU 2002367512A1 AU 2002367512 A AU2002367512 A AU 2002367512A AU 2002367512 A AU2002367512 A AU 2002367512A AU 2002367512 A1 AU2002367512 A1 AU 2002367512A1
- Authority
- AU
- Australia
- Prior art keywords
- programming
- memory cells
- bit memory
- dual bit
- ono dual
- 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.)
- Abandoned
Links
- 230000009977 dual effect Effects 0.000 title 1
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
- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
- G11C16/3404—Convergence or correction of memory cell threshold voltages; Repair or recovery of overerased or overprogrammed cells
- G11C16/3409—Circuits or methods to recover overerased nonvolatile memory cells detected during erase verification, usually by means of a "soft" programming step
-
- 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
- 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
- G11C11/5657—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 ferroelectric storage elements
-
- 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
- G11C11/5671—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 trapping in an insulator
-
- 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
- G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
- G11C16/0466—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells with charge storage in an insulating layer, e.g. metal-nitride-oxide-silicon [MNOS], silicon-oxide-nitride-oxide-silicon [SONOS]
- G11C16/0475—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells with charge storage in an insulating layer, e.g. metal-nitride-oxide-silicon [MNOS], silicon-oxide-nitride-oxide-silicon [SONOS] comprising two or more independent storage sites which store independent data
-
- 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
- G11C16/10—Programming or 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
- G11C16/34—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
- G11C16/344—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
- G11C16/3404—Convergence or correction of memory cell threshold voltages; Repair or recovery of overerased or overprogrammed cells
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Non-Volatile Memory (AREA)
- Read Only Memory (AREA)
- Semiconductor Memories (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/050,483 US6567303B1 (en) | 2001-01-31 | 2002-01-16 | Charge injection |
| US10/050,483 | 2002-01-16 | ||
| PCT/US2002/040775 WO2003063167A2 (en) | 2002-01-16 | 2002-12-17 | System and method for programming ono dual bit memory cells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2002367512A1 true AU2002367512A1 (en) | 2003-09-02 |
Family
ID=27609070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2002367512A Abandoned AU2002367512A1 (en) | 2002-01-16 | 2002-12-17 | System and method for programming ono dual bit memory cells |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JP2005516330A (en) |
| KR (1) | KR20040071322A (en) |
| CN (1) | CN100433193C (en) |
| AU (1) | AU2002367512A1 (en) |
| DE (1) | DE10297641T5 (en) |
| GB (1) | GB2400709B (en) |
| TW (1) | TWI260639B (en) |
| WO (1) | WO2003063167A2 (en) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6768165B1 (en) | 1997-08-01 | 2004-07-27 | Saifun Semiconductors Ltd. | Two bit non-volatile electrically erasable and programmable semiconductor memory cell utilizing asymmetrical charge trapping |
| US6928001B2 (en) | 2000-12-07 | 2005-08-09 | Saifun Semiconductors Ltd. | Programming and erasing methods for a non-volatile memory cell |
| US6584017B2 (en) | 2001-04-05 | 2003-06-24 | Saifun Semiconductors Ltd. | Method for programming a reference cell |
| US7190620B2 (en) | 2002-01-31 | 2007-03-13 | Saifun Semiconductors Ltd. | Method for operating a memory device |
| US6700818B2 (en) | 2002-01-31 | 2004-03-02 | Saifun Semiconductors Ltd. | Method for operating a memory device |
| US6917544B2 (en) | 2002-07-10 | 2005-07-12 | Saifun Semiconductors Ltd. | Multiple use memory chip |
| US7136304B2 (en) | 2002-10-29 | 2006-11-14 | Saifun Semiconductor Ltd | Method, system and circuit for programming a non-volatile memory array |
| US7142464B2 (en) | 2003-04-29 | 2006-11-28 | Saifun Semiconductors Ltd. | Apparatus and methods for multi-level sensing in a memory array |
| US7123532B2 (en) | 2003-09-16 | 2006-10-17 | Saifun Semiconductors Ltd. | Operating array cells with matched reference cells |
| US6967873B2 (en) | 2003-10-02 | 2005-11-22 | Advanced Micro Devices, Inc. | Memory device and method using positive gate stress to recover overerased cell |
| US7366025B2 (en) | 2004-06-10 | 2008-04-29 | Saifun Semiconductors Ltd. | Reduced power programming of non-volatile cells |
| US7317633B2 (en) | 2004-07-06 | 2008-01-08 | Saifun Semiconductors Ltd | Protection of NROM devices from charge damage |
| US7095655B2 (en) | 2004-08-12 | 2006-08-22 | Saifun Semiconductors Ltd. | Dynamic matching of signal path and reference path for sensing |
| US7638850B2 (en) | 2004-10-14 | 2009-12-29 | Saifun Semiconductors Ltd. | Non-volatile memory structure and method of fabrication |
| US7535765B2 (en) | 2004-12-09 | 2009-05-19 | Saifun Semiconductors Ltd. | Non-volatile memory device and method for reading cells |
| EP1686592A3 (en) | 2005-01-19 | 2007-04-25 | Saifun Semiconductors Ltd. | Partial erase verify |
| US7184313B2 (en) | 2005-06-17 | 2007-02-27 | Saifun Semiconductors Ltd. | Method circuit and system for compensating for temperature induced margin loss in non-volatile memory cells |
| US7307878B1 (en) | 2005-08-29 | 2007-12-11 | Spansion Llc | Flash memory device having improved program rate |
| US8358543B1 (en) | 2005-09-20 | 2013-01-22 | Spansion Llc | Flash memory programming with data dependent control of source lines |
| US7957204B1 (en) | 2005-09-20 | 2011-06-07 | Spansion Llc | Flash memory programming power reduction |
| US7433228B2 (en) | 2005-09-20 | 2008-10-07 | Spansion Llc | Multi-bit flash memory device having improved program rate |
| US7221138B2 (en) | 2005-09-27 | 2007-05-22 | Saifun Semiconductors Ltd | Method and apparatus for measuring charge pump output current |
| US7352627B2 (en) | 2006-01-03 | 2008-04-01 | Saifon Semiconductors Ltd. | Method, system, and circuit for operating a non-volatile memory array |
| KR100666223B1 (en) * | 2006-02-22 | 2007-01-09 | 삼성전자주식회사 | 3-level nonvolatile semiconductor memory device for reducing coupling noise between memory cells and driving method thereof |
| US7638835B2 (en) | 2006-02-28 | 2009-12-29 | Saifun Semiconductors Ltd. | Double density NROM with nitride strips (DDNS) |
| US7605579B2 (en) | 2006-09-18 | 2009-10-20 | Saifun Semiconductors Ltd. | Measuring and controlling current consumption and output current of charge pumps |
| US7969788B2 (en) * | 2007-08-21 | 2011-06-28 | Micron Technology, Inc. | Charge loss compensation methods and apparatus |
| CN111863086B (en) * | 2019-04-29 | 2022-07-05 | 北京兆易创新科技股份有限公司 | Method and device for controlling programming performance |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5675537A (en) * | 1996-08-22 | 1997-10-07 | Advanced Micro Devices, Inc. | Erase method for page mode multiple bits-per-cell flash EEPROM |
| US5870335A (en) * | 1997-03-06 | 1999-02-09 | Agate Semiconductor, Inc. | Precision programming of nonvolatile memory cells |
| US6768165B1 (en) * | 1997-08-01 | 2004-07-27 | Saifun Semiconductors Ltd. | Two bit non-volatile electrically erasable and programmable semiconductor memory cell utilizing asymmetrical charge trapping |
| US6044022A (en) * | 1999-02-26 | 2000-03-28 | Tower Semiconductor Ltd. | Programmable configuration for EEPROMS including 2-bit non-volatile memory cell arrays |
| US6396741B1 (en) * | 2000-05-04 | 2002-05-28 | Saifun Semiconductors Ltd. | Programming of nonvolatile memory cells |
| US6307784B1 (en) * | 2001-02-28 | 2001-10-23 | Advanced Micro Devices | Negative gate erase |
| US6456533B1 (en) * | 2001-02-28 | 2002-09-24 | Advanced Micro Devices, Inc. | Higher program VT and faster programming rates based on improved erase methods |
| US6512701B1 (en) * | 2001-06-21 | 2003-01-28 | Advanced Micro Devices, Inc. | Erase method for dual bit virtual ground flash |
-
2002
- 2002-12-17 WO PCT/US2002/040775 patent/WO2003063167A2/en not_active Ceased
- 2002-12-17 DE DE10297641T patent/DE10297641T5/en not_active Withdrawn
- 2002-12-17 AU AU2002367512A patent/AU2002367512A1/en not_active Abandoned
- 2002-12-17 GB GB0417770A patent/GB2400709B/en not_active Expired - Fee Related
- 2002-12-17 JP JP2003562936A patent/JP2005516330A/en active Pending
- 2002-12-17 KR KR10-2004-7011031A patent/KR20040071322A/en not_active Ceased
- 2002-12-17 CN CNB028272501A patent/CN100433193C/en not_active Expired - Lifetime
-
2003
- 2003-01-08 TW TW092100296A patent/TWI260639B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003063167A3 (en) | 2003-12-04 |
| JP2005516330A (en) | 2005-06-02 |
| GB2400709B (en) | 2005-12-28 |
| WO2003063167A2 (en) | 2003-07-31 |
| GB2400709A (en) | 2004-10-20 |
| DE10297641T5 (en) | 2005-01-05 |
| CN100433193C (en) | 2008-11-12 |
| CN1628358A (en) | 2005-06-15 |
| TW200302486A (en) | 2003-08-01 |
| GB0417770D0 (en) | 2004-09-15 |
| TWI260639B (en) | 2006-08-21 |
| KR20040071322A (en) | 2004-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |