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Patent Searching and Data


Title:
SEMICONDUCTOR STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/020488
Kind Code:
A1
Abstract:
A semiconductor storage device has a first cell array that includes a plurality of memory cells each connected to a first word line and also connected to a respective first pair of bit lines. The semiconductor storage device has a second cell array that includes a plurality of memory cells each connected to a second word line and also connected to a respective second pair of bit lines. Further, the semiconductor storage device has a redundant cell array that includes a plurality of memory cells each connected to a word line, which is different from the first and second word lines, and also connected to one of the respective first pair of bit lines and to one of the respective second pair of bit lines.

Inventors:
UETAKE TOSHIYUKI (JP)
Application Number:
PCT/JP2010/063663
Publication Date:
February 16, 2012
Filing Date:
August 11, 2010
Export Citation:
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Assignee:
FUJITSU LTD (JP)
UETAKE TOSHIYUKI (JP)
International Classes:
H01L21/8244; G11C11/413; G11C29/04; H01L27/11
Foreign References:
JPH11242897A1999-09-07
JP2004171633A2004-06-17
JP2000294748A2000-10-20
JP2003178594A2003-06-27
JP2004055094A2004-02-19
Other References:
See also references of EP 2605272A4
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
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Claims: