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:
Dec. 29, 2015

Filed:

Dec. 06, 2013
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Sung-Yeon Lee, Seoul, KR;

Yeong-Taek Lee, Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 7/14 (2006.01); G11C 11/16 (2006.01); G11C 11/406 (2006.01); G11C 11/56 (2006.01); G11C 13/00 (2006.01); G11C 16/28 (2006.01); G11C 16/34 (2006.01);
U.S. Cl.
CPC ...
G11C 7/14 (2013.01); G11C 11/16 (2013.01); G11C 11/406 (2013.01); G11C 11/56 (2013.01); G11C 13/0002 (2013.01); G11C 13/0004 (2013.01); G11C 13/004 (2013.01); G11C 13/0033 (2013.01); G11C 16/28 (2013.01); G11C 16/3418 (2013.01); G11C 2013/0054 (2013.01); G11C 2213/71 (2013.01); G11C 2213/72 (2013.01);
Abstract

A nonvolatile memory device, which has an improved read reliability through a refresh operation, and a memory system, are provided. The nonvolatile memory device includes a resistive memory cell, a reference resistor corresponding to the resistive memory cell, a reference sense amplifier electrically connected to the reference resistor and configured to change a transition time of an output value of the reference resistor, and a refresh request signal generator configured to output the refresh request signal for the resistive memory cell when the transition time of an output value of the reference resistor is in a preset refresh requiring period.


Find Patent Forward Citations

Lee, Sung-Yeon. (2015). Nonvolatile memory device using variable resistive element and memory system having the same (U.S. Patent No. 9224441). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9224441

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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