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 7821847 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 26, 2010

Filed:

Dec. 29, 2008
Applicant:

Mi-hye Kim, Gyeonggi-do, KR;

Inventor:

Mi-Hye Kim, Gyeonggi-do, KR;

Assignee:

Hynix Semiconductor Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A data output circuit of a semiconductor memory device includes at least two data output pads disposed adjacent to each other, a driver unit configured to output a first data by driving a first pad among the data output pads, and a control unit configured to determine whether a phase of the first data is equal to a phase of adjacent data outputted through second pad adjacent to the first pad, and control a slew rate of the driver unit according to the determination result.


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Kim, Mi-Hye. (2010). Circuit and method for controlling slew rate of data output circuit in semiconductor memory device (U.S. Patent No. 7821847). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7821847

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