The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 05, 2008

Filed:

Jul. 28, 2006
Applicant:

Yasuhiko Maki, Kawasaki, JP;

Inventor:

Yasuhiko Maki, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/00 (2006.01); G11C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Included are first and second invertersL,R, a first selection transistor Ncontrolling a connection of an output terminal of the first inverterL to a bit line, and a second selection transistor Ncontrolling a connection of an output terminal of the second inverterR to a bit line, wherein the first inverterL having a first load transistor Pand a first drive transistor Nand the second inverterR having a second load transistor Pand a second drive transistor N, function as a memory cell, and a ratio of a driving current quantity that can be outputted in an ON-state of the first drive transistor Nto a driving current quantity that can be outputted in an ON-state of the first selection transistor N, is larger than a first predetermined value.


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