发明授权
US08259495B2 Semiconductor memory device and method for driving semiconductor memory device
有权
用于驱动半导体存储器件的半导体存储器件和方法
- 专利标题: Semiconductor memory device and method for driving semiconductor memory device
- 专利标题(中): 用于驱动半导体存储器件的半导体存储器件和方法
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申请号: US13197280申请日: 2011-08-03
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公开(公告)号: US08259495B2公开(公告)日: 2012-09-04
- 发明人: Satoshi Torii
- 申请人: Satoshi Torii
- 申请人地址: JP Yokohama
- 专利权人: Fujitsu Semiconductor Limited
- 当前专利权人: Fujitsu Semiconductor Limited
- 当前专利权人地址: JP Yokohama
- 代理机构: Westerman, Hattori, Daniels & Adrian, LLP
- 优先权: JP2008-170594 20080630
- 主分类号: G11C11/34
- IPC分类号: G11C11/34 ; G11C16/04 ; G11C16/06 ; G11C5/06
摘要:
A semiconductor memory device includes a plurality of memory cell transistors arranged in a matrix; a plurality of word lines commonly coupling the control gates of the plural memory cell transistors present in a identical first direction; a plurality of source lines commonly coupling the sources of the plural memory cell transistors present in the identical first direction; a plurality of bit lines commonly coupling the drains of the plural memory cell transistors present in a identical second direction intersecting the first direction; a first transistor having a drain coupled to the source line; a second transistor having a drain coupled to a source of the first transistor, a gate coupled to the word line and a source grounded; and a control line commonly coupling the gates of the plural first transistors.
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