Invention Grant
- Patent Title: Semiconductor memory device and its operation method
- Patent Title (中): 半导体存储器件及其操作方法
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Application No.: US12805089Application Date: 2010-07-12
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Publication No.: US08238138B2Publication Date: 2012-08-07
- Inventor: Makoto Kitagawa
- Applicant: Makoto Kitagawa
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Rader Fishman & Grauer, PLLC
- Priority: JP2009-180575 20090803
- Main IPC: G11C11/00
- IPC: G11C11/00

Abstract:
Disclosed herein is a semiconductor memory device including: a bit line and a sense line; a data storage element having a data storage state changing in accordance with a voltage applied to the bit line; a first switch for controlling connection of the sense line to the bit line; a data latch circuit having a second data holding node and a first data holding node connected to the sense line; and a second switch for controlling connection of the second data holding node of the data latch circuit to the bit line.
Public/Granted literature
- US20110026332A1 Semiconductor memory device and its operation method Public/Granted day:2011-02-03
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