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:
Feb. 17, 2009

Filed:

May. 06, 2005
Applicant:

Yong-mi Kim, Kyoungki-do, KR;

Inventor:

Yong-Mi Kim, Kyoungki-do, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 19/094 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor memory device is capable of adjusting effective data period of data. The semiconductor memory device includes a buffering unit for buffering input data, a window adjusting unit, and a transmitting unit. The window adjusting unit is for adjusting a window of the buffered data outputted from the buffering unit in response to plural metal option. The window adjusting unit includes a first driving unit for driving an output node in response to the output signal from the buffering unit and a second driving unit for additionally driving the output node in response to the output signal from the buffering unit. Meanwhile, the transmitting unit delivers output of the window adjusting unit into a core block.


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