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:
Jan. 13, 2004
Filed:
Mar. 25, 2002
Applicant:
Inventors:
Yong-Gyu Chu, Kyungki-do, KR;
Kyu-Chan Lee, Seoul, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 8/00 ;
U.S. Cl.
CPC ...
G11C 8/00 ;
Abstract
A semiconductor memory device including a delay locked loop (DLL) that is capable of turning off the DLL in a precharge mode while maintaining locking information stored before the DLL operates in the precharge mode is provided. The DLL includes an ON/OFF mode for turning the DLL on or off. The DLL also includes a standby mode for turning the DLL off while still maintaining locking information stored before the DLL operates in a precharge mode in response to the activation of a standby enabling signal. The standby enabling signal is inactive when the DLL locks. The standby enabling signal is active when DLL lock is complete.