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:
Feb. 24, 2009
Filed:
Jun. 10, 2005
Applicants:
Young-suk Kim, Gyeonggi-do, KR;
Mahn-joong Lee, Seoul, KR;
Inventors:
Young-Suk Kim, Gyeonggi-do, KR;
Mahn-Joong Lee, Seoul, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An embodiment is a circuit including 2first comparators to generate a first result by comparing data from at least two of 2memory cells to which test pattern data are written. 2first switching circuits provide the first result or a disable signal responsive to a first switching signal. And 2second comparators generate a second result by comparing signals output from some of the 2first switching circuits. N may be a natural number greater than or equal to three.