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:
Sep. 25, 2012
Filed:
Dec. 16, 2010
Hye Young Lee, Ichon-shi, KR;
Hye Young Lee, Ichon-shi, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
A duty cycle correction circuit of a semiconductor memory apparatus includes a duty correction unit configured to determine a duty correction range in response to a duty correction range control signal, correct a duty of an inputted clock in response to duty correction codes to fall in the determined duty correction range, and generate a duty corrected clock; a duty detection unit configured to detect a duty of the duty corrected clock and output duty information; and a duty correction code generation unit configured to generate the duty correction codes based on the duty information.
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