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:
Dec. 07, 2010
Filed:
Jun. 29, 2007
Applicants:
Kyoung-nam Kim, Kyoungki-do, KR;
Young-jun Ku, Kyoungki-do, KR;
Hoon Choi, Kyoungki-do, KR;
Inventors:
Assignee:
Hynix Semiconductor Inc., , KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 11/063 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor memory device includes: a delay locked loop (DLL) clock buffer for buffering a system clock in response to the a buffer enable signal; a DLL circuit for generating a delay locked loop (DLL) clock by performing a delay locking operation using the buffered system clock; and a DLL clock buffer controller for generating the buffer enable signal in response to a code signal and a clock enable signal, the code signal containing information about whether to perform the delay locking operation.