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 7986581 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 26, 2011

Filed:

Mar. 01, 2010
Applicants:

Chang-ho DO, Kyoungki-do, KR;

Yong-ki Kim, Kyoungki-do, KR;

Inventors:

Chang-Ho Do, Kyoungki-do, KR;

Yong-Ki Kim, Kyoungki-do, KR;

Assignee:

Hynix Semiconductor Inc., Gyeonggi-do, KR;

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

A semiconductor memory device for use in a system includes a reset signal generator for generating a reset entry signal and a reset exit signal respectively in response to a start timing and a termination timing of a reset operation of the system; and a reset controller for performing a precharge operation in response to the reset entry signal and a refresh operation in response to the reset exit signal.


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