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.

Patent No.:

US 7885092 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 08, 2011

Filed:

Feb. 20, 2009
Applicant:

Masaya Uematsu, Kanagawa, JP;

Inventor:

Masaya Uematsu, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

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

A semiconductor storage device includes: a bit line; a first word line; a second word line; a first inverter in which one terminal of a first load transistor is connected to a first driver transistor and their junction point forms a first node; a second inverter in which one terminal of a second load transistor is connected to a second driver transistor and their junction point forms a second node; a first write transistor one terminal of which is connected to the first load transistor and the other terminal of which is connected to a power supply voltage; a second write transistor one terminal of which is connected to the first driver transistor and the other terminal is connected to a reference potential; and an access transistor one terminal of which is connected to the first node and the other terminal of which is connected to the bit line.


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