发明授权
- 专利标题: Magneto-resistive RAM having multi-bit cell array structure
- 专利标题(中): 具有多位单元阵列结构的磁阻RAM
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申请号: US11260602申请日: 2005-10-27
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公开(公告)号: US07463509B2公开(公告)日: 2008-12-09
- 发明人: Hye-Jin Kim , Woo-Yeong Cho , Hyung-Rok Oh
- 申请人: Hye-Jin Kim , Woo-Yeong Cho , Hyung-Rok Oh
- 申请人地址: KR Suwon-Si, Gyeonggi-Do
- 专利权人: Samsung Electronics Co., Ltd.
- 当前专利权人: Samsung Electronics Co., Ltd.
- 当前专利权人地址: KR Suwon-Si, Gyeonggi-Do
- 代理机构: F. Chau & Associates, LLC
- 优先权: KR10-2004-0086556 20041028
- 主分类号: G11C11/00
- IPC分类号: G11C11/00
摘要:
A magnetic random access memory (RAM) with a multi-bit cell array structure includes an access transistor formed on a substrate, first through third resistance-variable elements, and first through third current supplying lines. The first through third resistance-variable elements are disposed between a bit line and the access transistor, and electrically connected to each other. The first through third current supplying lines are stacked alternately with the first through third resistance-variable elements. The first through third resistance-variable elements have equal resistances.
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