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:
May. 31, 2011
Filed:
Apr. 03, 2009
Qi Wang, Suwon-si, KR;
Kwang-jin Lee, Hwaseong-si, KR;
Woo-yeong Cho, Suwon-si, KR;
Taek-sung Kim, Yongin-si, KR;
Kwang-ho Kim, Hwaseong-si, KR;
Hyun-ho Choi, Suwon-si, KR;
Qi Wang, Suwon-si, KR;
Kwang-Jin Lee, Hwaseong-si, KR;
Woo-Yeong Cho, Suwon-si, KR;
Taek-Sung Kim, Yongin-si, KR;
Kwang-Ho Kim, Hwaseong-si, KR;
Hyun-Ho Choi, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
A semiconductor memory device includes a memory cell array having a plurality of variable resistance memory cells divided into first and second areas. An I/O circuit is configured to access the memory cell array under the control of control logic so as to access the first or second area in response to an external command. The I/O circuit accesses the first area using a memory cell unit and the second area using a page unit.