JP4484577B2 - 半導体記憶装置及びその制御方法 - Google Patents
半導体記憶装置及びその制御方法 Download PDFInfo
- Publication number
- JP4484577B2 JP4484577B2 JP2004138417A JP2004138417A JP4484577B2 JP 4484577 B2 JP4484577 B2 JP 4484577B2 JP 2004138417 A JP2004138417 A JP 2004138417A JP 2004138417 A JP2004138417 A JP 2004138417A JP 4484577 B2 JP4484577 B2 JP 4484577B2
- Authority
- JP
- Japan
- Prior art keywords
- bit line
- transistor
- memory transistor
- memory
- sub
- 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 - Fee Related
Links
Images
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
- G11C16/3436—Arrangements for verifying correct programming or erasure
Landscapes
- Read Only Memory (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004138417A JP4484577B2 (ja) | 2004-05-07 | 2004-05-07 | 半導体記憶装置及びその制御方法 |
| US11/104,602 US7154787B2 (en) | 2004-05-07 | 2005-04-13 | Semiconductor memory and control method thereof allowing high degree of accuracy in verify operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004138417A JP4484577B2 (ja) | 2004-05-07 | 2004-05-07 | 半導体記憶装置及びその制御方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005322296A JP2005322296A (ja) | 2005-11-17 |
| JP2005322296A5 JP2005322296A5 (OSRAM) | 2007-06-14 |
| JP4484577B2 true JP4484577B2 (ja) | 2010-06-16 |
Family
ID=35239266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004138417A Expired - Fee Related JP4484577B2 (ja) | 2004-05-07 | 2004-05-07 | 半導体記憶装置及びその制御方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7154787B2 (OSRAM) |
| JP (1) | JP4484577B2 (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008047189A (ja) * | 2006-08-11 | 2008-02-28 | Matsushita Electric Ind Co Ltd | 半導体記憶装置 |
| KR100826653B1 (ko) * | 2007-04-06 | 2008-05-06 | 주식회사 하이닉스반도체 | 낸드 플래시 메모리소자의 소거검증 방법 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2634089B2 (ja) | 1990-10-22 | 1997-07-23 | 三菱電機株式会社 | 不揮発性半導体記憶装置 |
| JPH0628875A (ja) * | 1992-07-10 | 1994-02-04 | Sony Corp | フラッシュ型e2 promの消去方法 |
| JPH06290591A (ja) * | 1993-03-31 | 1994-10-18 | Sony Corp | 半導体不揮発性記憶装置 |
| KR100248868B1 (ko) * | 1996-12-14 | 2000-03-15 | 윤종용 | 플래시 불휘발성 반도체 메모리 장치 및 그 장치의 동작 모드 제어 방법 |
| JP3990485B2 (ja) | 1997-12-26 | 2007-10-10 | 株式会社ルネサステクノロジ | 半導体不揮発性記憶装置 |
| JP3999900B2 (ja) * | 1998-09-10 | 2007-10-31 | 株式会社東芝 | 不揮発性半導体メモリ |
| JP4434405B2 (ja) * | 2000-01-27 | 2010-03-17 | 株式会社ルネサステクノロジ | 不揮発性半導体記憶装置 |
| JP4084922B2 (ja) * | 2000-12-22 | 2008-04-30 | 株式会社ルネサステクノロジ | 不揮発性記憶装置の書込み方法 |
| JP2003077282A (ja) * | 2001-08-31 | 2003-03-14 | Fujitsu Ltd | 不揮発性半導体記憶装置 |
| US6989562B2 (en) * | 2003-04-04 | 2006-01-24 | Catalyst Semiconductor, Inc. | Non-volatile memory integrated circuit |
| JP4494820B2 (ja) * | 2004-02-16 | 2010-06-30 | パナソニック株式会社 | 不揮発性半導体記憶装置 |
-
2004
- 2004-05-07 JP JP2004138417A patent/JP4484577B2/ja not_active Expired - Fee Related
-
2005
- 2005-04-13 US US11/104,602 patent/US7154787B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US20050248985A1 (en) | 2005-11-10 |
| JP2005322296A (ja) | 2005-11-17 |
| US7154787B2 (en) | 2006-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5732022A (en) | Non-volatile semiconductor memory device | |
| KR100960479B1 (ko) | 플래시 메모리 장치 및 동작 방법 | |
| KR101162000B1 (ko) | 반도체 메모리 장치 및 이의 동작 방법 | |
| US8179722B2 (en) | Page buffer circuit and nonvolatile memory device | |
| US7751248B2 (en) | Indirect measurement of negative margin voltages in endurance testing of EEPROM cells | |
| US7974138B2 (en) | Semiconductor memory device | |
| KR19980071285A (ko) | 반도체 기억 장치 | |
| KR100437345B1 (ko) | 비휘발성 반도체 기억장치 및 그의 테스트 방법 | |
| US20100124121A1 (en) | Method of erasing flash memory device | |
| KR20010070320A (ko) | 불 휘발성 반도체 기억장치 | |
| JP2004362729A (ja) | 不揮発性半導体記憶装置 | |
| KR101005184B1 (ko) | 불휘발성 메모리 장치 및 그 동작 방법 | |
| CN100561598C (zh) | 用于快速且准确的存储器读取操作的电路 | |
| KR100725373B1 (ko) | 플래쉬 메모리 장치 | |
| JP2001093287A (ja) | 不揮発性半導体記憶装置 | |
| KR20090026502A (ko) | 플래시 메모리 소자의 동작 방법 | |
| JP5486948B2 (ja) | 不良検出回路を有する不揮発性半導体記憶装置及び不揮発性半導体記憶装置の不良検出方法 | |
| JP2005032430A (ja) | フラッシュメモリ装置 | |
| KR100802058B1 (ko) | 불휘발성 반도체 메모리 장치 | |
| US7408820B2 (en) | Nonvolatile semiconductor memory with virtual ground array | |
| JP2005322296A (ja) | 半導体記憶装置及びその制御方法 | |
| KR20120069115A (ko) | 반도체 메모리 장치 및 그의 동작 방법 | |
| US20050213363A1 (en) | Non-volatile memory device and inspection method for non-volatile memory device | |
| KR20080060618A (ko) | 불휘발성 메모리 장치와 불휘발성 메모리 장치의 데이터독출 방법 및 프로그램 검증 방법 | |
| JPH1166898A (ja) | 不揮発性半導体記憶装置の評価方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070419 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070419 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090907 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090929 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20091127 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20091127 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100323 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20100323 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 4484577 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130402 Year of fee payment: 3 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130402 Year of fee payment: 3 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140402 Year of fee payment: 4 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| LAPS | Cancellation because of no payment of annual fees |