JP5073255B2 - 不揮発性半導体メモリ装置 - Google Patents
不揮発性半導体メモリ装置 Download PDFInfo
- Publication number
- JP5073255B2 JP5073255B2 JP2006255963A JP2006255963A JP5073255B2 JP 5073255 B2 JP5073255 B2 JP 5073255B2 JP 2006255963 A JP2006255963 A JP 2006255963A JP 2006255963 A JP2006255963 A JP 2006255963A JP 5073255 B2 JP5073255 B2 JP 5073255B2
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- JP
- Japan
- Prior art keywords
- bit line
- dummy bit
- dummy
- cell
- normal
- 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.)
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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
- G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
- G11C16/0483—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells having several storage transistors connected in series
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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
- G11C16/24—Bit-line control 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
- G11C16/26—Sensing or reading circuits; Data output circuits
- G11C16/28—Sensing or reading circuits; Data output circuits using differential sensing or reference cells, e.g. dummy cells
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/14—Dummy cell management; Sense reference voltage generators
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/18—Bit line organisation; Bit line lay-out
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Semiconductor Memories (AREA)
- Read Only Memory (AREA)
- Non-Volatile Memory (AREA)
Description
DBL ダミービット線
CSL 共通ソース線
DBL_U、DBL_M、DBL_D ダミービット線部分
Claims (5)
- ノーマルメモリセルが接続されるノーマルビット線と、
有効なデータの格納がなされないダミーセルが接続されるダミービット線であって、前記ノーマルビット線に沿って一列上に配列される複数のダミービット線部分を持つ前記ダミービット線と、
前記ノーマルビット線及び前記ダミービット線と交差するように配列される共通ソース線と、
前記ノーマルメモリセル及び前記ダミーセルを含むウェルとを備え、
前記複数のダミービット線部分の中の一部は、前記共通ソース線と接続され、
前記複数のダミービット線部分の中の他の一部は、電源電圧を分配する電源電圧線、接地電圧を分配する接地電圧線及び前記ウェルよりなる群から選択されるいずれか一つに電気的に接続されることを特徴とする不揮発性半導体メモリ装置。 - 前記複数のダミービット線部分の中の他の一部は、前記ウェルに電気的に接続されることを特徴とする請求項1に記載の不揮発性半導体メモリ装置。
- 前記ウェルは、P型の不純物を含むことを特徴とする請求項2に記載の不揮発性半導体メモリ装置。
- 前記共通ソース線に接続される前記ダミービット線部分は、前記共通ソース線と交差してレイアウトされることを特徴とする請求項2に記載の不揮発性半導体メモリ装置。
- 前記不揮発性半導体メモリ装置は、NAND型のフラッシュメモリであることを特徴とする請求項1に記載の不揮発性半導体メモリ装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050089188A KR100704023B1 (ko) | 2005-09-26 | 2005-09-26 | 메모리셀의 데이터 판독 정확성이 개선되는 더미 비트라인구조의 불휘발성 반도체 메모리 장치 |
KR10-2005-0089188 | 2005-09-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007096301A JP2007096301A (ja) | 2007-04-12 |
JP5073255B2 true JP5073255B2 (ja) | 2012-11-14 |
Family
ID=37887234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006255963A Active JP5073255B2 (ja) | 2005-09-26 | 2006-09-21 | 不揮発性半導体メモリ装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7724597B2 (ja) |
JP (1) | JP5073255B2 (ja) |
KR (1) | KR100704023B1 (ja) |
DE (1) | DE102006046426B4 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2441726B (en) * | 2005-06-24 | 2010-08-11 | Metaram Inc | An integrated memory core and memory interface circuit |
KR101271174B1 (ko) * | 2007-08-03 | 2013-06-04 | 삼성전자주식회사 | 비트라인 레이아웃의 구조를 개선한 플래시 메모리 장치 및그 레이아웃 방법 |
KR101395060B1 (ko) | 2007-09-18 | 2014-05-15 | 삼성전자주식회사 | 라인 패턴들을 포함하는 반도체 소자 |
KR101434401B1 (ko) * | 2007-12-17 | 2014-08-27 | 삼성전자주식회사 | 집적 회로 메모리 장치 |
US8379456B2 (en) | 2009-10-14 | 2013-02-19 | Samsung Electronics Co., Ltd. | Nonvolatile memory devices having dummy cell and bias methods thereof |
DE102014226768B4 (de) | 2014-12-22 | 2018-08-09 | Koenig & Bauer Ag | Bogendruckmaschine mit Rollenanleger |
KR102374046B1 (ko) * | 2015-06-15 | 2022-03-14 | 에스케이하이닉스 주식회사 | 플래시 메모리 장치 |
US9811284B2 (en) * | 2015-12-20 | 2017-11-07 | Apple Inc. | One-pass programming in a multi-level nonvolatile memory device with improved write amplification |
US11189335B2 (en) * | 2019-11-13 | 2021-11-30 | Sandisk Technologies Llc | Double write/read throughput by CMOS adjacent array (CaA) NAND memory |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06188393A (ja) * | 1992-12-21 | 1994-07-08 | Toshiba Corp | 半導体記憶装置 |
JP3383427B2 (ja) * | 1994-08-19 | 2003-03-04 | 株式会社東芝 | 不揮発性半導体装置 |
US5687117A (en) * | 1996-02-23 | 1997-11-11 | Micron Quantum Devices, Inc. | Segmented non-volatile memory array with multiple sources having improved source line decode circuitry |
KR19980056186A (ko) | 1996-12-28 | 1998-09-25 | 김영환 | 반도체 메모리소자의 감지증폭기 |
KR19980066731A (ko) | 1997-01-28 | 1998-10-15 | 김광호 | 더미 비트라인의 전압을 제어할 수 있는 반도체 장치 |
JPH11283363A (ja) | 1998-03-30 | 1999-10-15 | Nec Corp | 半導体記憶装置 |
KR20000002335A (ko) * | 1998-06-18 | 2000-01-15 | 윤종용 | 불 휘발성 메모리 장치 |
CA2342508A1 (en) * | 2001-03-30 | 2002-09-30 | Atmos Corporation | Reference cells with integration capacitor |
JP2004022070A (ja) | 2002-06-17 | 2004-01-22 | Renesas Technology Corp | 半導体記憶装置 |
JP2005310285A (ja) * | 2004-04-22 | 2005-11-04 | Toshiba Corp | 半導体集積回路装置 |
KR20060011404A (ko) * | 2004-07-30 | 2006-02-03 | 주식회사 하이닉스반도체 | 반도체 메모리 장치 및 그 제조방법 |
KR100627515B1 (ko) * | 2004-10-04 | 2006-09-21 | 주식회사 하이닉스반도체 | 메모리 장치 및 그의 테스트 방법 |
JP4709523B2 (ja) * | 2004-10-14 | 2011-06-22 | 株式会社東芝 | 不揮発性半導体記憶装置 |
-
2005
- 2005-09-26 KR KR1020050089188A patent/KR100704023B1/ko active IP Right Grant
-
2006
- 2006-09-21 JP JP2006255963A patent/JP5073255B2/ja active Active
- 2006-09-22 DE DE102006046426.5A patent/DE102006046426B4/de active Active
- 2006-09-25 US US11/526,015 patent/US7724597B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US7724597B2 (en) | 2010-05-25 |
DE102006046426A1 (de) | 2007-04-12 |
KR20070034712A (ko) | 2007-03-29 |
KR100704023B1 (ko) | 2007-04-04 |
JP2007096301A (ja) | 2007-04-12 |
DE102006046426B4 (de) | 2016-03-03 |
US20070070699A1 (en) | 2007-03-29 |
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