KR101635695B1 - 아날로그 메모리 셀들을 위한 적응적 프로그래밍 및 소거 기법들 - Google Patents
아날로그 메모리 셀들을 위한 적응적 프로그래밍 및 소거 기법들 Download PDFInfo
- Publication number
- KR101635695B1 KR101635695B1 KR1020147023284A KR20147023284A KR101635695B1 KR 101635695 B1 KR101635695 B1 KR 101635695B1 KR 1020147023284 A KR1020147023284 A KR 1020147023284A KR 20147023284 A KR20147023284 A KR 20147023284A KR 101635695 B1 KR101635695 B1 KR 101635695B1
- Authority
- KR
- South Korea
- Prior art keywords
- memory cells
- group
- memory
- programming
- duration
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/02—Detection or location of defective auxiliary circuits, e.g. defective refresh counters
- G11C29/021—Detection or location of defective auxiliary circuits, e.g. defective refresh counters in voltage or current generators
-
- 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
- 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
- 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
- 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
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/02—Detection or location of defective auxiliary circuits, e.g. defective refresh counters
- G11C29/028—Detection or location of defective auxiliary circuits, e.g. defective refresh counters with adaption or trimming of parameters
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C2029/0409—Online test
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Read Only Memory (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/356,694 US9009547B2 (en) | 2011-01-27 | 2012-01-24 | Advanced programming verification schemes for analog memory cells |
US13/356,694 | 2012-01-24 | ||
US13/471,484 | 2012-05-15 | ||
US13/471,484 US9293194B2 (en) | 2011-01-27 | 2012-05-15 | Programming and erasure schemes for analog memory cells |
PCT/US2013/021756 WO2013112336A2 (en) | 2012-01-24 | 2013-01-16 | Programming and erasure schemes for analog memory cells |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20140117583A KR20140117583A (ko) | 2014-10-07 |
KR101635695B1 true KR101635695B1 (ko) | 2016-07-01 |
Family
ID=48874052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020147023284A KR101635695B1 (ko) | 2012-01-24 | 2013-01-16 | 아날로그 메모리 셀들을 위한 적응적 프로그래밍 및 소거 기법들 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2807650A2 (ja) |
JP (1) | JP6001093B2 (ja) |
KR (1) | KR101635695B1 (ja) |
CN (1) | CN104067348B (ja) |
TW (1) | TWI523011B (ja) |
WO (1) | WO2013112336A2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9135975B2 (en) * | 2013-10-28 | 2015-09-15 | Qualcomm Incorporated | Write pulse width scheme in a resistive memory |
IT201600121618A1 (it) * | 2016-11-30 | 2018-05-30 | St Microelectronics Srl | Metodo di riduzione della durata di un'operazione di memoria in un dispositivo di memoria non volatile e relativo dispositivo di memoria non volatile |
KR102533072B1 (ko) * | 2018-08-13 | 2023-05-17 | 에스케이하이닉스 주식회사 | 블록의 상태에 따라 사용 여부를 결정하는 메모리 시스템 및 메모리 시스템의 동작 방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001093287A (ja) | 1999-09-24 | 2001-04-06 | Sony Corp | 不揮発性半導体記憶装置 |
US20060158940A1 (en) * | 2005-01-19 | 2006-07-20 | Saifun Semiconductors, Ltd. | Partial erase verify |
JP2011008913A (ja) | 2007-02-20 | 2011-01-13 | Sandisk Corp | 不揮発性記憶装置のための可変書き込み |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10199263A (ja) * | 1996-12-30 | 1998-07-31 | Sony Corp | 不揮発性半導体記憶装置 |
US20050128807A1 (en) * | 2003-12-05 | 2005-06-16 | En-Hsing Chen | Nand memory array incorporating multiple series selection devices and method for operation of same |
KR100719368B1 (ko) * | 2005-06-27 | 2007-05-17 | 삼성전자주식회사 | 플래시 메모리 장치의 적응적 프로그램 방법 및 장치 |
US7656710B1 (en) * | 2005-07-14 | 2010-02-02 | Sau Ching Wong | Adaptive operations for nonvolatile memories |
KR100843037B1 (ko) * | 2007-03-27 | 2008-07-01 | 주식회사 하이닉스반도체 | 플래시 메모리 장치 및 이의 소거 방법 |
US8085586B2 (en) * | 2007-12-27 | 2011-12-27 | Anobit Technologies Ltd. | Wear level estimation in analog memory cells |
JP2010027165A (ja) * | 2008-07-22 | 2010-02-04 | Toshiba Corp | 不揮発性半導体記憶装置およびそのデータ書込み方法 |
JP2010123210A (ja) * | 2008-11-20 | 2010-06-03 | Toshiba Corp | 半導体記憶装置 |
-
2013
- 2013-01-16 JP JP2014554739A patent/JP6001093B2/ja active Active
- 2013-01-16 EP EP13701345.4A patent/EP2807650A2/en not_active Withdrawn
- 2013-01-16 CN CN201380006438.4A patent/CN104067348B/zh active Active
- 2013-01-16 WO PCT/US2013/021756 patent/WO2013112336A2/en active Application Filing
- 2013-01-16 KR KR1020147023284A patent/KR101635695B1/ko active IP Right Grant
- 2013-01-23 TW TW102102523A patent/TWI523011B/zh active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001093287A (ja) | 1999-09-24 | 2001-04-06 | Sony Corp | 不揮発性半導体記憶装置 |
US20060158940A1 (en) * | 2005-01-19 | 2006-07-20 | Saifun Semiconductors, Ltd. | Partial erase verify |
JP2011008913A (ja) | 2007-02-20 | 2011-01-13 | Sandisk Corp | 不揮発性記憶装置のための可変書き込み |
Also Published As
Publication number | Publication date |
---|---|
CN104067348B (zh) | 2017-04-05 |
WO2013112336A3 (en) | 2013-09-26 |
JP6001093B2 (ja) | 2016-10-05 |
EP2807650A2 (en) | 2014-12-03 |
WO2013112336A2 (en) | 2013-08-01 |
TWI523011B (zh) | 2016-02-21 |
CN104067348A (zh) | 2014-09-24 |
TW201346909A (zh) | 2013-11-16 |
KR20140117583A (ko) | 2014-10-07 |
JP2015510653A (ja) | 2015-04-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101412418B1 (ko) | 아날로그 메모리 셀들을 위한 개선된 프로그래밍 및 소거 스킴들 | |
US7864573B2 (en) | Programming analog memory cells for reduced variance after retention | |
US8000135B1 (en) | Estimation of memory cell read thresholds by sampling inside programming level distribution intervals | |
US7924587B2 (en) | Programming of analog memory cells using a single programming pulse per state transition | |
US8085586B2 (en) | Wear level estimation in analog memory cells | |
US7773413B2 (en) | Reliable data storage in analog memory cells in the presence of temperature variations | |
US8527819B2 (en) | Data storage in analog memory cell arrays having erase failures | |
US7751240B2 (en) | Memory device with negative thresholds | |
US9153329B2 (en) | Selective re-programming of analog memory cells | |
EP2777046B1 (en) | Defective word line detection | |
US7924623B2 (en) | Method for memory cell erasure with a programming monitor of reference cells | |
US8792281B2 (en) | Read threshold estimation in analog memory cells using simultaneous multi-voltage sense | |
WO2017044165A1 (en) | Verify operations using different sense node voltages in a memory device | |
US8482978B1 (en) | Estimation of memory cell read thresholds by sampling inside programming level distribution intervals | |
US9293194B2 (en) | Programming and erasure schemes for analog memory cells | |
KR101635695B1 (ko) | 아날로그 메모리 셀들을 위한 적응적 프로그래밍 및 소거 기법들 | |
US8649200B2 (en) | Enhanced programming and erasure schemes for analog memory cells |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20190530 Year of fee payment: 4 |