KR100283115B1 - 플래쉬메모리셀의소거방법및그장치 - Google Patents
플래쉬메모리셀의소거방법및그장치 Download PDFInfo
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- KR100283115B1 KR100283115B1 KR1019960074989A KR19960074989A KR100283115B1 KR 100283115 B1 KR100283115 B1 KR 100283115B1 KR 1019960074989 A KR1019960074989 A KR 1019960074989A KR 19960074989 A KR19960074989 A KR 19960074989A KR 100283115 B1 KR100283115 B1 KR 100283115B1
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- erasing
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- flash memory
- control gate
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000010586 diagram Methods 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
Description
Claims (3)
- 읽기, 쓰기 및 지우기가 가능한 플래쉬 메모리 셀의 소거 방법에 있어서,플래쉬 메모리 셀 어레이를 n개의 섹터로 나누어 섹터 별로 순차적으로 소거하되, 선택된 어느 한 섹터의 콘트롤 게이트에 소거를 위한 네거티브 전압을 인가하는 단계와,상기 선택된 섹터가 완전히 소거되기 전에 다음 섹터를 소거하기 위한 네거티브 전압을 콘트롤 게이트에 인가하는 단계로 이루어진 것을 특징으로 하는 플래쉬 메모리 셀의 소거 방법.
- 제 1 항에 있어서, 상기 n개의 섹터에 소거 동작 조건을 반복되게 공급하는 것을 특징으로 하는 플래쉬 메모리 셀의 소거 방법.
- 읽기, 쓰기 및 지우기가 가능한 플래쉬 메모리 셀의 소거 장치에 있어서,바이어스 전압을 인가하는 네거티브 및 포지티브 차지 펌프와,상기 네거티브 및 포지티브 차지 펌프에서 출력된 바이어스 전압을 셀 어레이의 각 섹터의 콘트롤 게이트에 공급하기 위한 다수의 콘트롤 게이트 스위칭 수단과,상기 콘트롤 게이트 스위칭 수단을 제어하기 위한 콘트롤 게이트 디코더와,다수의 플립플롭으로 구성된 타이머와, 일정 지연 시간 후 일정 주기를 갖는 클럭 신호를 발생하는 디코딩 회로로 구성되어 상기 콘트롤 게이트 디코더를 제어하기 위한 섹터 어드레스 카운터와,상기 셀 어레이에서 각 섹터의 워드라인 및 비트라인을 선택하기 위한 X-디코더 및 Y-디코더를 구비한 것을 특징으로 하는 플래쉬 메모리 셀의 소거 장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960074989A KR100283115B1 (ko) | 1996-12-28 | 1996-12-28 | 플래쉬메모리셀의소거방법및그장치 |
US08/998,316 US5963479A (en) | 1996-12-28 | 1997-12-24 | Method of erasing a flash memory cell and device for erasing the same |
JP37026097A JPH10199271A (ja) | 1996-12-28 | 1997-12-26 | フラッシュメモリセルの消去方法及びその装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960074989A KR100283115B1 (ko) | 1996-12-28 | 1996-12-28 | 플래쉬메모리셀의소거방법및그장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980055753A KR19980055753A (ko) | 1998-09-25 |
KR100283115B1 true KR100283115B1 (ko) | 2001-03-02 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019960074989A Expired - Fee Related KR100283115B1 (ko) | 1996-12-28 | 1996-12-28 | 플래쉬메모리셀의소거방법및그장치 |
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KR (1) | KR100283115B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11392319B2 (en) | 2019-12-06 | 2022-07-19 | SK Hynix Inc. | Memory system, memory controller, and method for operating same |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100365725B1 (ko) * | 2000-12-27 | 2002-12-26 | 한국전자통신연구원 | 플래시 메모리를 이용한 파일 시스템에서 등급별 지움정책 및 오류 복구 방법 |
US6480419B2 (en) * | 2001-02-22 | 2002-11-12 | Samsung Electronics Co., Ltd. | Bit line setup and discharge circuit for programming non-volatile memory |
JP2003151285A (ja) * | 2001-11-08 | 2003-05-23 | Fujitsu Ltd | 半導体メモリ |
-
1996
- 1996-12-28 KR KR1019960074989A patent/KR100283115B1/ko not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11392319B2 (en) | 2019-12-06 | 2022-07-19 | SK Hynix Inc. | Memory system, memory controller, and method for operating same |
US11775221B2 (en) | 2019-12-06 | 2023-10-03 | SK Hynix Inc. | Memory system, memory controller, and method for operating same |
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Publication number | Publication date |
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KR19980055753A (ko) | 1998-09-25 |
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