KR100293622B1 - 강유전체기억장치 - Google Patents
강유전체기억장치 Download PDFInfo
- Publication number
- KR100293622B1 KR100293622B1 KR1019980028393A KR19980028393A KR100293622B1 KR 100293622 B1 KR100293622 B1 KR 100293622B1 KR 1019980028393 A KR1019980028393 A KR 1019980028393A KR 19980028393 A KR19980028393 A KR 19980028393A KR 100293622 B1 KR100293622 B1 KR 100293622B1
- Authority
- KR
- South Korea
- Prior art keywords
- read
- cell
- dummy
- dummy cell
- ferroelectric
- 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
- 239000003990 capacitor Substances 0.000 claims abstract description 43
- 230000010287 polarization Effects 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 12
- 101000949825 Homo sapiens Meiotic recombination protein DMC1/LIM15 homolog Proteins 0.000 abstract description 4
- 101001046894 Homo sapiens Protein HID1 Proteins 0.000 abstract description 4
- 102100022877 Protein HID1 Human genes 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 230000003313 weakening effect Effects 0.000 description 4
- 101000967820 Homo sapiens Inactive dipeptidyl peptidase 10 Proteins 0.000 description 3
- 102100040449 Inactive dipeptidyl peptidase 10 Human genes 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 108091006146 Channels Proteins 0.000 description 1
- 102100036966 Dipeptidyl aminopeptidase-like protein 6 Human genes 0.000 description 1
- 101000804935 Homo sapiens Dipeptidyl aminopeptidase-like protein 6 Proteins 0.000 description 1
- 101150052235 KSL7 gene Proteins 0.000 description 1
- 101100510439 Oryza sativa subsp. japonica KSL8 gene Proteins 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/22—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using ferroelectric elements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Dram (AREA)
- Read Only Memory (AREA)
Abstract
Description
Claims (4)
- 서로 인접한 비트선들의 복수쌍으로 구성되어 있는 강유전체 기억 장치에 있어서,상기 각각의 비트선들과 접속되고, 제각기 한 개의 강유전체 커패시터와 한 개의 MOS 트랜지스터로 구성되어 있는 복수 개의 메모리 셀 - 상기 강유전체 커패시터의 강유전체 재료의 분극 방향이 상기 메모리 셀에 저장되어 있는 데이타에 대응됨 -;상기 비트선들과 각각 접속되고, 제각기 상기 메모리 셀과 동일한 구조와 동일한 강유전체 커패시터를 가지고 있는 두 개의 더미 셀(dummy cell) - 상기 더미 셀에 저장되어 있는 데이타가 판독될 경우 상기 더미 셀의 강유전체 커패시터의 강유전체 재료의 분극 방향이 반전되지 않도록 설정됨 -; 및상기 비트선들과 접속되고, 의도적으로 불평형되게 함으로써 오프셋(offset)을 생성하기 위한 수단을 가지며, 상기 오프셋에 의해 생성된 전압과 상기 더미 셀로부터 판독된 신호 전압을 참조하여 메모리 셀에 저장되어 있는 데이타를 판독하는 센스 증폭기를 포함하는 것을 특징으로 하는 강유전체 기억 장치.
- 제1항에 있어서,상기 오프셋을 생성하기 위한 수단은 상기 각각의 비트선들과 직렬로 접속되는 상기 센스 증폭기의 회로 소자와 각각 접속되며, 상기 더미 셀에 저장된 상기 데이타가 판독될 경우 두 개 중 하나는 "온"되어지게 구성된 두 개의 MOS 트랜지스터를 포함하는 것을 특징으로 하는 강유전체 기억 장치.
- 제2항에 있어서,상기 두 개의 트랜지스터는 PMOS 트랜지스터인 것을 특징으로 하는 강유전체 기억 장치.
- 제2항에 있어서,상기 두 개의 트랜지스터는 NMOS 트랜지스터인 것을 특징으로 하는 강유전체 기억 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP97-191207 | 1997-07-16 | ||
JP19120797A JP3196824B2 (ja) | 1997-07-16 | 1997-07-16 | 強誘電体メモリ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990013853A KR19990013853A (ko) | 1999-02-25 |
KR100293622B1 true KR100293622B1 (ko) | 2001-07-12 |
Family
ID=16270693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980028393A Expired - Fee Related KR100293622B1 (ko) | 1997-07-16 | 1998-07-14 | 강유전체기억장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5926413A (ko) |
EP (1) | EP0892408B1 (ko) |
JP (1) | JP3196824B2 (ko) |
KR (1) | KR100293622B1 (ko) |
DE (1) | DE69815600T2 (ko) |
TW (1) | TW388876B (ko) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11273360A (ja) * | 1998-03-17 | 1999-10-08 | Toshiba Corp | 強誘電体記憶装置 |
JPH11273362A (ja) * | 1998-03-18 | 1999-10-08 | Sharp Corp | 不揮発性半導体記憶装置 |
KR100363102B1 (ko) * | 1998-07-15 | 2003-02-19 | 주식회사 하이닉스반도체 | 강유전체 메모리 |
JP4490514B2 (ja) * | 1998-10-08 | 2010-06-30 | 株式会社東芝 | 強誘電体メモリ |
KR100296917B1 (ko) * | 1999-06-28 | 2001-07-12 | 박종섭 | 강유전체 메모리 소자의 기준 전압 발생 장치 |
KR100333702B1 (ko) * | 1999-06-28 | 2002-04-24 | 박종섭 | 강유전체 메모리 장치 |
JP3703655B2 (ja) * | 1999-08-11 | 2005-10-05 | 株式会社東芝 | タイミング信号発生回路 |
JP3551858B2 (ja) | 1999-09-14 | 2004-08-11 | 日本電気株式会社 | 半導体メモリ装置 |
KR100348577B1 (ko) | 1999-09-30 | 2002-08-13 | 동부전자 주식회사 | 강유전체 메모리 |
KR100348576B1 (ko) | 1999-09-30 | 2002-08-13 | 동부전자 주식회사 | 강유전체 메모리 |
US6573772B1 (en) * | 2000-06-30 | 2003-06-03 | Intel Corporation | Method and apparatus for locking self-timed pulsed clock |
JP2002197854A (ja) | 2000-12-22 | 2002-07-12 | Matsushita Electric Ind Co Ltd | 強誘電体メモリ装置 |
JP4329919B2 (ja) | 2001-03-13 | 2009-09-09 | Okiセミコンダクタ株式会社 | 半導体メモリおよび半導体メモリの駆動方法 |
KR100460767B1 (ko) * | 2001-12-20 | 2004-12-09 | 주식회사 하이닉스반도체 | 강유전체 메모리 소자의 기준전압 발생장치 |
US6826099B2 (en) | 2002-11-20 | 2004-11-30 | Infineon Technologies Ag | 2T2C signal margin test mode using a defined charge and discharge of BL and /BL |
US6731554B1 (en) * | 2002-11-20 | 2004-05-04 | Infineon Technologies Ag | 2T2C signal margin test mode using resistive element |
US6876590B2 (en) | 2002-11-20 | 2005-04-05 | Infineon Technologies, Ag | 2T2C signal margin test mode using a defined charge exchange between BL and/BL |
JP4161951B2 (ja) | 2004-09-16 | 2008-10-08 | セイコーエプソン株式会社 | 強誘電体メモリ装置 |
JP4470889B2 (ja) | 2006-01-25 | 2010-06-02 | セイコーエプソン株式会社 | 分極転送デバイス、及びその転送制御方法 |
JP4983062B2 (ja) * | 2006-03-20 | 2012-07-25 | 富士通セミコンダクター株式会社 | メモリ装置 |
US7649793B1 (en) | 2006-05-04 | 2010-01-19 | Marvell International Ltd. | Channel estimation for multi-level memories using pilot signals |
US8645793B2 (en) * | 2008-06-03 | 2014-02-04 | Marvell International Ltd. | Statistical tracking for flash memory |
KR100715979B1 (ko) * | 2006-05-25 | 2007-05-08 | 경북대학교 산학협력단 | 피형 금속 산화막 반도체 게이팅 셀을 이용한 강유전체메모리 |
US7808834B1 (en) | 2007-04-13 | 2010-10-05 | Marvell International Ltd. | Incremental memory refresh |
US8031526B1 (en) | 2007-08-23 | 2011-10-04 | Marvell International Ltd. | Write pre-compensation for nonvolatile memory |
US8189381B1 (en) | 2007-08-28 | 2012-05-29 | Marvell International Ltd. | System and method for reading flash memory cells |
US8085605B2 (en) | 2007-08-29 | 2011-12-27 | Marvell World Trade Ltd. | Sequence detection for flash memory with inter-cell interference |
US9911501B2 (en) * | 2016-05-24 | 2018-03-06 | Silicon Storage Technology, Inc. | Sensing amplifier comprising a built-in sensing offset for flash memory devices |
US9899073B2 (en) | 2016-06-27 | 2018-02-20 | Micron Technology, Inc. | Multi-level storage in ferroelectric memory |
US10847201B2 (en) | 2019-02-27 | 2020-11-24 | Kepler Computing Inc. | High-density low voltage non-volatile differential memory bit-cell with shared plate line |
US11476260B2 (en) | 2019-02-27 | 2022-10-18 | Kepler Computing Inc. | High-density low voltage non-volatile memory with unidirectional plate-line and bit-line and pillar capacitor |
JP2020155187A (ja) | 2019-03-22 | 2020-09-24 | ソニーセミコンダクタソリューションズ株式会社 | 強誘電体メモリおよびそのメモリ素子 |
US10964357B2 (en) * | 2019-04-24 | 2021-03-30 | Marvell Asia Pte., Ltd. | Skewed sense amplifier for single-ended sensing |
US11527277B1 (en) | 2021-06-04 | 2022-12-13 | Kepler Computing Inc. | High-density low voltage ferroelectric memory bit-cell |
US11696450B1 (en) | 2021-11-01 | 2023-07-04 | Kepler Computing Inc. | Common mode compensation for multi-element non-linear polar material based gain memory bit-cell |
US11482270B1 (en) | 2021-11-17 | 2022-10-25 | Kepler Computing Inc. | Pulsing scheme for a ferroelectric memory bit-cell to minimize read or write disturb effect and refresh logic |
US12108609B1 (en) | 2022-03-07 | 2024-10-01 | Kepler Computing Inc. | Memory bit-cell with stacked and folded planar capacitors |
US20230395134A1 (en) | 2022-06-03 | 2023-12-07 | Kepler Computing Inc. | Write disturb mitigation for non-linear polar material based multi-capacitor bit-cell |
US12347476B1 (en) | 2022-12-27 | 2025-07-01 | Kepler Computing Inc. | Apparatus and method to improve sensing noise margin in a non-linear polar material based bit-cell |
US12334127B2 (en) | 2023-01-30 | 2025-06-17 | Kepler Computing Inc. | Non-linear polar material based multi-capacitor high density bit-cell |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09134594A (ja) * | 1995-11-08 | 1997-05-20 | Hitachi Ltd | 半導体不揮発メモリ |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0713877B2 (ja) * | 1988-10-19 | 1995-02-15 | 株式会社東芝 | 半導体メモリ |
JP3169599B2 (ja) * | 1990-08-03 | 2001-05-28 | 株式会社日立製作所 | 半導体装置、その駆動方法、その読み出し方法 |
US5461713A (en) * | 1991-05-10 | 1995-10-24 | Sgs-Thomson Microelectronics S.R.L. | Current offset sense amplifier of a modulated current or current unbalance type for programmable memories |
US5539279A (en) * | 1993-06-23 | 1996-07-23 | Hitachi, Ltd. | Ferroelectric memory |
JP3186485B2 (ja) * | 1995-01-04 | 2001-07-11 | 日本電気株式会社 | 強誘電体メモリ装置およびその動作制御方法 |
JPH097377A (ja) * | 1995-06-20 | 1997-01-10 | Sony Corp | 強誘電体記憶装置 |
DE69630758T2 (de) * | 1995-09-08 | 2004-05-27 | Fujitsu Ltd., Kawasaki | Ferroelektrischer Speicher und Datenleseverfahren von diesem Speicher |
US5677865A (en) * | 1995-09-11 | 1997-10-14 | Micron Technology, Inc. | Ferroelectric memory using reference charge circuit |
US5764561A (en) * | 1995-11-16 | 1998-06-09 | Rohm Co., Ltd. | Ferroelectric memory devices and method of using ferroelectric capacitors |
-
1997
- 1997-07-16 JP JP19120797A patent/JP3196824B2/ja not_active Expired - Fee Related
-
1998
- 1998-07-14 KR KR1019980028393A patent/KR100293622B1/ko not_active Expired - Fee Related
- 1998-07-15 US US09/115,344 patent/US5926413A/en not_active Expired - Lifetime
- 1998-07-16 DE DE69815600T patent/DE69815600T2/de not_active Expired - Fee Related
- 1998-07-16 TW TW087111633A patent/TW388876B/zh not_active IP Right Cessation
- 1998-07-16 EP EP98113296A patent/EP0892408B1/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09134594A (ja) * | 1995-11-08 | 1997-05-20 | Hitachi Ltd | 半導体不揮発メモリ |
Also Published As
Publication number | Publication date |
---|---|
EP0892408A3 (en) | 2000-08-16 |
EP0892408B1 (en) | 2003-06-18 |
DE69815600D1 (de) | 2003-07-24 |
US5926413A (en) | 1999-07-20 |
TW388876B (en) | 2000-05-01 |
DE69815600T2 (de) | 2004-04-29 |
KR19990013853A (ko) | 1999-02-25 |
EP0892408A2 (en) | 1999-01-20 |
JP3196824B2 (ja) | 2001-08-06 |
JPH1139882A (ja) | 1999-02-12 |
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