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. 15, 2009
Filed:
Sep. 11, 2007
Kae-won Ha, Seongnam-si, KR;
Dong-jun Kim, Suwon-si, KR;
Jin-soo Park, Seoul, KR;
Keun-soo JO, Gwacheon-si, KR;
Kae-Won Ha, Seongnam-si, KR;
Dong-Jun Kim, Suwon-si, KR;
Jin-Soo Park, Seoul, KR;
Keun-Soo Jo, Gwacheon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
Embodiments of the invention include features in the semiconductor memory device that are configured to receive command signals from a memory controller and selectively output at least a portion of the received command signals back to the memory controller for verification. Embodiments of the invention also provide methods for verifying the proper communication of command signals from a memory controller to a semiconductor memory device. Embodiments of the invention also provide systems and methods for testing memory cells in a semiconductor memory device.