Invention Application
- Patent Title: SEMICONDUCTOR MEMORY DEVICE
- Patent Title (中): 半导体存储器件
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Application No.: US13599301Application Date: 2012-08-30
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Publication No.: US20130229853A1Publication Date: 2013-09-05
- Inventor: Yoichi MINEMURA , Takayuki Tsukamoto , Takafumi Shimotori , Hiroshi Kanno , Tomonori Kurosawa , Mizuki Kaneko
- Applicant: Yoichi MINEMURA , Takayuki Tsukamoto , Takafumi Shimotori , Hiroshi Kanno , Tomonori Kurosawa , Mizuki Kaneko
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Priority: JP2011-252371 20111118
- Main IPC: G11C13/00
- IPC: G11C13/00

Abstract:
According to one embodiment, a semiconductor memory device includes a plurality of cell array blocks and a control circuit. The control circuit sets a selected bit line to have 0 volt, applies a first electric potential which is higher than 0 volt to a selected word line, applies a second electric potential which is higher than 0 volt and lower than the first electric potential to non-selected word lines other than the selected word line, applies a third electric potential which is 0 volt or more and lower than the second electric potential to a non-selected bit line adjacent to the selected bit line in an adjacent cell array block, applies the second electric potential to non-selected bit lines other than the non-selected bit line to which the third electric potential is applied, and changes a resistance status of the resistance variable film of the selected memory cell.
Public/Granted literature
- US09099180B2 Semiconductor memory device Public/Granted day:2015-08-04
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