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.:
Date of Patent:
Jul. 08, 2014
Filed:
Dec. 10, 2010
Sung-hwa OK, Gyeonggi-do, KR;
Sung-Hwa Ok, Gyeonggi-do, KR;
Hynix Semiconductor Inc., Gyeonggi-do, KR;
Abstract
A semiconductor memory device includes: an internal clock signal generation unit configured to generate an internal clock signal in response to an external clock signal; an internal data strobe signal generation unit configured to generate an internal data strobe signal in response to an external data strobe signal; a phase comparison unit configured to compare phases of the internal clock signal and the internal data strobe signal that are used in an enabled write path in response to an internal dummy write command with each other; and an output unit configured to output an output signal of the phase comparison unit.
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