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:
Aug. 25, 2009
Filed:
Oct. 09, 2007
Beak-hyung Cho, Hwseong-si, KR;
Jong-soo Seo, Hwseong-si, KR;
Won-seok Lee, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
A variable resistance memory device includes a memory cell array having a plurality of memory cells, a write driver which supplies a step-down set current to the memory cells, where the step-down set current includes a plurality of successive steps of decreasing current magnitude, and a set program control circuit which controls a duration of the step-down set current supplied by the write driver. The set program control circuit controls the duration of the step-down set current in accordance with at least one of data contained in an mode register set (MRS) and a conductive state of a fuse element.