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:
Mar. 13, 2007

Filed:

Jan. 10, 2006
Applicants:

Jung-yong Choi, Bundang-gu, KR;

Young-gu Kang, Hanam-si, KR;

Ki-ho Jang, Seongnam-si, KR;

Inventors:

Jung-Yong Choi, Bundang-gu, KR;

Young-Gu Kang, Hanam-si, KR;

Ki-Ho Jang, Seongnam-si, KR;

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

A semiconductor memory device supporting a self refresh operation is disclosed and comprises an address buffer unit and an operation control unit. The address buffer unit may be enabled during the self refresh operation by a first external control signal to generate an internal address signal. The operation control unit controls the start of the self refresh operation in response to the internal address signal.


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