KR100692262B1 - 비휘발성 반도체 메모리장치 - Google Patents
비휘발성 반도체 메모리장치 Download PDFInfo
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- KR100692262B1 KR100692262B1 KR1020030087809A KR20030087809A KR100692262B1 KR 100692262 B1 KR100692262 B1 KR 100692262B1 KR 1020030087809 A KR1020030087809 A KR 1020030087809A KR 20030087809 A KR20030087809 A KR 20030087809A KR 100692262 B1 KR100692262 B1 KR 100692262B1
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- South Korea
- Prior art keywords
- memory cell
- variable resistance
- resistance element
- memory cells
- selection transistor
- Prior art date
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0007—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements comprising metal oxide memory material, e.g. perovskites
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- 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
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
- G11C11/15—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements using multiple magnetic layers
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- 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
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/0023—Address circuits or decoders
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/0069—Writing or programming circuits or methods
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/0069—Writing or programming circuits or methods
- G11C2013/009—Write using potential difference applied between cell electrodes
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2213/00—Indexing scheme relating to G11C13/00 for features not covered by this group
- G11C2213/30—Resistive cell, memory material aspects
- G11C2213/31—Material having complex metal oxide, e.g. perovskite structure
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2213/00—Indexing scheme relating to G11C13/00 for features not covered by this group
- G11C2213/70—Resistive array aspects
- G11C2213/79—Array wherein the access device being a transistor
Abstract
Description
Claims (6)
- 삭제
- 삭제
- 삭제
- 복수의 비휘발성 메모리셀들을 행방향 및 열방향으로 각각 배열하고, 상기 배열된 비휘발성 메모리셀들 중에서 소정의 메모리셀 또는 메모리셀군을 선택하기 위해 복수의 워드선들과 복수의 비트선들을 행방향과 열방향으로 각각 배열함으로써 구성되는 메모리셀 어레이들을 포함하고,상기 메모리셀들은, 전기저항의 변화에 의해 정보를 저장하는 가변저항소자의 일단과 제1선택 트랜지스터의 소스를 접속시키고, 또한, 상기 가변저항소자의 타단과 제2선택 트랜지스터의 드레인을 접속시킴으로써 각각 구성되며,상기 메모리셀 어레이에는, 상기 제1선택 트랜지스터의 드레인이 상기 열방향을 따라 공통 비트선과 접속되어 있고, 상기 제2선택 트랜지스터의 소스가 소스선과 접속되어 있고, 상기 제1 및 제2선택 트랜지스터의 게이트가 상기 행방향을 따라 공통 워드선과 접속되어 있는 것을 특징으로 하는 비휘발성 반도체 메모리장치.
- 제4항에 있어서, 상기 가변저항소자는 전기적 스트레스에 의해 전기저항이 변화하는 가변저항소자인 것을 특징으로 하는 비휘발성 반도체 메모리장치.
- 제5항에 있어서, 상기 가변저항소자는 망간을 함유하는 페로브스카이트 구조의 산화물로 형성되어 있는 것을 특징으로 하는 비휘발성 반도체 메모리장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2002353734A JP2004185755A (ja) | 2002-12-05 | 2002-12-05 | 不揮発性半導体記憶装置 |
JPJP-P-2002-00353734 | 2002-12-05 |
Publications (2)
Publication Number | Publication Date |
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KR20040049286A KR20040049286A (ko) | 2004-06-11 |
KR100692262B1 true KR100692262B1 (ko) | 2007-03-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020030087809A KR100692262B1 (ko) | 2002-12-05 | 2003-12-05 | 비휘발성 반도체 메모리장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7016222B2 (ko) |
EP (1) | EP1441361A3 (ko) |
JP (1) | JP2004185755A (ko) |
KR (1) | KR100692262B1 (ko) |
CN (1) | CN100392758C (ko) |
TW (1) | TWI235382B (ko) |
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- 2003-12-05 TW TW092134352A patent/TWI235382B/zh not_active IP Right Cessation
- 2003-12-05 KR KR1020030087809A patent/KR100692262B1/ko active IP Right Grant
- 2003-12-05 US US10/729,310 patent/US7016222B2/en not_active Expired - Lifetime
- 2003-12-05 CN CNB2003101201086A patent/CN100392758C/zh not_active Expired - Lifetime
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Also Published As
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US7016222B2 (en) | 2006-03-21 |
TW200425148A (en) | 2004-11-16 |
EP1441361A3 (en) | 2006-11-02 |
TWI235382B (en) | 2005-07-01 |
CN100392758C (zh) | 2008-06-04 |
CN1505042A (zh) | 2004-06-16 |
JP2004185755A (ja) | 2004-07-02 |
EP1441361A2 (en) | 2004-07-28 |
KR20040049286A (ko) | 2004-06-11 |
US20040130939A1 (en) | 2004-07-08 |
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