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:
Mar. 03, 2009
Filed:
Mar. 19, 2007
Byung-gil Choi, Yongin-si, KR;
Du-eung Kim, Yongin-si, KR;
Yu-hwan RO, Seocho-gu, KR;
Joon-yong Choi, Dongjak-gu, KR;
Beak-hyung Cho, Hwaseong-si, KR;
Woo-yeong Cho, Suwon-si, KR;
Byung-Gil Choi, Yongin-si, KR;
Du-Eung Kim, Yongin-si, KR;
Yu-Hwan Ro, Seocho-gu, KR;
Joon-Yong Choi, Dongjak-gu, KR;
Beak-Hyung Cho, Hwaseong-si, KR;
Woo-Yeong Cho, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
A phase change memory device is disclosed. It includes a memory cell array including a plurality of memory cells programmed in relation to a phase change material, and a write driver circuit configured to provide a set current and a reset current to a selected memory cell. The write driver circuit includes a set current driver configured to provide the set current and a reset current driver configured to provide the reset current.