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 8576610 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 05, 2013

Filed:

Jul. 15, 2011
Applicant:

Soichiro Yoshida, Tokyo, JP;

Inventor:

Soichiro Yoshida, Tokyo, JP;

Assignee:

Elpida Memory, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 11/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor device is disclosed in which a signal line and a drive circuit driving the signal line in response to a signal to be transmitted are provided. A transistor of a floating body type is further provided that includes a gate, a source, a drain, and a body between the source and drain which is brought into an electrically floating state. The gate is connected to the signal line, and at least one of the source and drain is connected to a control node that is supplied with a control signal. The control signal is configured to receive a control signal that changes from the first level to a second level during the period of time when the drive circuit is driving the signal node.


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