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:
Sep. 20, 2011

Filed:

Dec. 11, 2008
Applicants:

Tetsuya Murakami, Tokyo, JP;

Nobuyoshi Nara, Kanagawa, JP;

Kenichi Imamiya, Mie, JP;

Inventors:

Tetsuya Murakami, Tokyo, JP;

Nobuyoshi Nara, Kanagawa, JP;

Kenichi Imamiya, Mie, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A nonvolatile memory device includes a nonvolatile memory and a controller unit for the nonvolatile memory. The nonvolatile memory and the controller unit include a first logic section and a second logic section, respectively. The nonvolatile memory includes a voltage detector configured to detect a power supply voltage externally supplied to the nonvolatile memory and the controller unit, and an output of the detection is supplied to the first logic section of the nonvolatile memory provided with the voltage detector, and also to the second logic section of the controller unit and/or a logic section of at least one added nonvolatile memory via a buffer amplifier, simultaneously.


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