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:
Nov. 01, 2011
Filed:
Dec. 17, 2009
Applicants:
Sang-jin Byeon, Kyoungki-do, KR;
Beom-ju Shin, Kyoungki-do, KR;
Inventors:
Sang-Jin Byeon, Kyoungki-do, KR;
Beom-Ju Shin, Kyoungki-do, KR;
Assignee:
Hynix Semiconductor Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor memory device of the claimed invention, having an active state for performing a read or write operation and an inactive state except for the active state includes a data input/output (I/O) line; a pull-up latch unit for pulling-up the data I/O line when the semiconductor memory device is in the inactive state; a pull-down latch unit for pulling-down the data I/O line when the semiconductor memory device is in the inactive state; and a selection unit for selectively driving one of the pull-up latch unit and the pull-down latch unit.