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:
Oct. 28, 2008
Filed:
Jun. 28, 2004
Applicants:
Seung Wook Kwack, Daejeon-Shi, KR;
Kwan Weon Kim, Ichon-Shi, KR;
Inventors:
Seung Wook Kwack, Daejeon-Shi, KR;
Kwan Weon Kim, Ichon-Shi, KR;
Assignee:
Hynix Semiconductor Inc., Kyungki-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is directed to a circuit for controlling data and a data strobe driver in a semiconductor memory device, including: a first delay unit for outputting a data signal with a variable delay; a DQ driver for outputting a data signal according to the data signal passed through the first delay unit and a driver select signal; a second delay unit for outputting a data strobe signal with a variable delay; and a DQS driver for outputting the data strobe signal passed through the second delay unit by being driven according to the driver select signal.