发明授权
- 专利标题: Semiconductor memory device
- 专利标题(中): 半导体存储器件
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申请号: US14387908申请日: 2013-02-14
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公开(公告)号: US09159738B2公开(公告)日: 2015-10-13
- 发明人: Yoshimitsu Yamauchi
- 申请人: Sharp Kabushiki Kaisha
- 申请人地址: JP Osaka
- 专利权人: Sharp Kabushiki Kaisha
- 当前专利权人: Sharp Kabushiki Kaisha
- 当前专利权人地址: JP Osaka
- 代理机构: Keating & Bennett, LLP
- 优先权: JP2012-090906 20120412
- 国际申请: PCT/JP2013/053479 WO 20130214
- 国际公布: WO2013/153853 WO 20131017
- 主分类号: G11C11/24
- IPC分类号: G11C11/24 ; H01L27/115 ; G11C11/403 ; G11C11/4074 ; G11C16/10 ; H01L29/786 ; H01L27/12 ; G11C16/04
摘要:
Provided is a semiconductor memory device including an oxide semiconductor insulated gate FET and having a capability to implement advanced performance without being affected by a variation in threshold voltage. A memory cell MC includes a memory node Nm formed at a connection point of a gate of a first transistor element T1, a source of a second transistor element T2, and one end of a capacitive element Cm, and a control node Nc formed at a connection point of a drain of the first transistor element T1 and a drain of the second transistor element T2. Each memory cell MC arranged in the same column includes the control node Nc connected to a shared first control line CL extending in a column direction, the first transistor element T1 having a source connected to a shared data signal line DL extending in the column direction, the second transistor element T2 having a gate connected to an individual first selection line WL, and the capacitive element Cm having the other end connected to an individual second selection line GL, and a switching element SE having one end connected to the first control line CL, and the other end connected to a voltage supply line VL is provided with respect to each first control line CL.
公开/授权文献
- US20150043279A1 SEMICONDUCTOR MEMORY DEVICE 公开/授权日:2015-02-12
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