JPWO2006035502A1 - 半導体装置及びデータ読み出し方法 - Google Patents
半導体装置及びデータ読み出し方法 Download PDFInfo
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- JPWO2006035502A1 JPWO2006035502A1 JP2006537604A JP2006537604A JPWO2006035502A1 JP WO2006035502 A1 JPWO2006035502 A1 JP WO2006035502A1 JP 2006537604 A JP2006537604 A JP 2006537604A JP 2006537604 A JP2006537604 A JP 2006537604A JP WO2006035502 A1 JPWO2006035502 A1 JP WO2006035502A1
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/10—Decoders
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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
- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
- G11C16/3418—Disturbance prevention or evaluation; Refreshing of disturbed memory data
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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
- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
- G11C16/3418—Disturbance prevention or evaluation; Refreshing of disturbed memory data
- G11C16/3427—Circuits or methods to prevent or reduce disturbance of the state of a memory cell when neighbouring cells are read or written
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/02—Arrangements for writing information into, or reading information out from, a digital store with means for avoiding parasitic signals
-
- 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)
- Read Only Memory (AREA)
Abstract
Description
Claims (10)
- メモリセルに接続したサブビット線が複数接続されるメインビット線を選択するメインビット線選択デコーダと、
前記メインビット線選択デコーダの制御によって、選択された前記メインビット線に隣り合うメインビット線を所定電圧に設定する第1スイッチとを有することを特徴とする半導体装置。 - 前記第1スイッチは、前記隣り合うメインビット線を前記所定電圧が供給される所定の配線に接続することを特徴とする請求の範囲1記載の半導体装置。
- 前記第1スイッチは、前記隣り合うメインビット線をグランドに接続する請求の範囲1又は2記載の半導体装置。
- 前記選択されたメインビット線に接続するサブビット線を選択するサブビット線選択デコーダと、
前記サブビット線選択デコーダの制御によって、選択された前記サブビット線に隣り合うサブビット線と前記隣り合うメインビット線とを接続する第2スイッチとを有し、前記隣り合うサブビット線を前記所定電圧に設定することを特徴とする請求の範囲1から3のいずれかに記載の半導体装置。 - データの読み出し時に、前記メインビット線選択デコーダは前記第1スイッチを制御して前記隣り合うメインビット線を前記所定電圧に設定することを特徴とする請求の範囲1から4のいずれかに記載の半導体装置。
- 前記第1スイッチは、前記メインビット線毎に該メインビット線上に設けられた選択トランジスタを含み、
前記メインビット線選択デコーダからの選択信号によって選択された前記選択トランジスタをオンし、前記隣り合うメインビット線を前記所定電圧に設定する請求の範囲1から5のいずれかに記載の半導体装置。 - 前記第2スイッチは、選択された前記サブビット線を前記隣り合うメインビット線に接続する選択トランジスタであることを特徴とする請求の範囲4記載の半導体装置。
- 電荷保持層を備えるメモリセルがマトリックス状に配置されたセルアレイ部と、前記メモリセルの制御ゲートを行方向に接続するワード線と、データの書き込みと読み出しを行う前記サブビット線とを有するNOR型のアレイ構成を有する請求の範囲1から7のいずれかに記載の半導体装置。
- 前記セルアレイ部は、隣接する前記サブビット線がそれぞれ異なる前記メインビット線に接続された構成を備える請求の範囲8記載の半導体装置。
- メモリセルに接続したサブビット線が複数接続されるメインビット線を選択するステップと、
選択された前記メインビット線に隣り合うメインビット線を所定電圧に設定するステップとを有するデータ読み出し方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/014253 WO2006035502A1 (ja) | 2004-09-29 | 2004-09-29 | 半導体装置及びデータ読み出し方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2006035502A1 true JPWO2006035502A1 (ja) | 2008-05-15 |
JP4833073B2 JP4833073B2 (ja) | 2011-12-07 |
Family
ID=36118654
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Application Number | Title | Priority Date | Filing Date |
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JP2006537604A Expired - Fee Related JP4833073B2 (ja) | 2004-09-29 | 2004-09-29 | 半導体装置及びデータ読み出し方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20060077747A1 (ja) |
JP (1) | JP4833073B2 (ja) |
WO (1) | WO2006035502A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5406684B2 (ja) | 2009-11-27 | 2014-02-05 | ラピスセミコンダクタ株式会社 | 半導体記憶回路 |
KR101478050B1 (ko) * | 2013-07-30 | 2015-01-06 | (주)피델릭스 | 프로그램 오동작을 저감하는 노어형 플래시 메모리 장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11250680A (ja) * | 1998-02-27 | 1999-09-17 | Sanyo Electric Co Ltd | 不揮発性半導体メモリ |
JPH11261036A (ja) * | 1998-03-10 | 1999-09-24 | Sanyo Electric Co Ltd | 不揮発性半導体メモリ |
JP2000030478A (ja) * | 1998-06-29 | 2000-01-28 | Samsung Electron Co Ltd | Rom |
JP2004145910A (ja) * | 2002-10-21 | 2004-05-20 | Renesas Technology Corp | 不揮発性半導体記憶装置 |
US20040165410A1 (en) * | 2001-12-12 | 2004-08-26 | Micron Technolgy, Inc. | Flash array implementation with local and global bit lines |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3432548B2 (ja) * | 1993-07-26 | 2003-08-04 | 株式会社日立製作所 | 半導体記憶装置 |
TW419812B (en) * | 1998-02-18 | 2001-01-21 | Sanyo Electric Co | Non-volatile semiconductor memory |
TW412861B (en) * | 1998-02-27 | 2000-11-21 | Sanyo Electric Co | Non-volatile semiconductor memory |
JP2002100196A (ja) * | 2000-09-26 | 2002-04-05 | Matsushita Electric Ind Co Ltd | 半導体記憶装置 |
-
2004
- 2004-09-29 JP JP2006537604A patent/JP4833073B2/ja not_active Expired - Fee Related
- 2004-09-29 WO PCT/JP2004/014253 patent/WO2006035502A1/ja active Application Filing
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2005
- 2005-09-16 US US11/228,840 patent/US20060077747A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11250680A (ja) * | 1998-02-27 | 1999-09-17 | Sanyo Electric Co Ltd | 不揮発性半導体メモリ |
JPH11261036A (ja) * | 1998-03-10 | 1999-09-24 | Sanyo Electric Co Ltd | 不揮発性半導体メモリ |
JP2000030478A (ja) * | 1998-06-29 | 2000-01-28 | Samsung Electron Co Ltd | Rom |
US20040165410A1 (en) * | 2001-12-12 | 2004-08-26 | Micron Technolgy, Inc. | Flash array implementation with local and global bit lines |
JP2004145910A (ja) * | 2002-10-21 | 2004-05-20 | Renesas Technology Corp | 不揮発性半導体記憶装置 |
Also Published As
Publication number | Publication date |
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US20060077747A1 (en) | 2006-04-13 |
WO2006035502A1 (ja) | 2006-04-06 |
JP4833073B2 (ja) | 2011-12-07 |
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