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:
Jul. 07, 2015
Filed:
Oct. 26, 2012
Jong-ho Lee, Seoul, KR;
Kyu-chang Kang, Seoul, KR;
Hyo-chang Kim, Gwangju-si, KR;
Jae-youn Youn, Seoul, KR;
Sang-jae Rhee, Seongnam-si, KR;
Jong-Ho Lee, Seoul, KR;
Kyu-Chang Kang, Seoul, KR;
Hyo-Chang Kim, Gwangju-si, KR;
Jae-Youn Youn, Seoul, KR;
Sang-Jae Rhee, Seongnam-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, KR;
Abstract
A semiconductor memory device and a self-refresh method of the semiconductor memory device. The semiconductor memory device includes: a memory cell array including one or more memory cells; a sense amplifier connected to a sensing line and a complementary sensing line and sensing/amplifying data stored in the one or more memory cells; and a sense amplifier control circuit sequentially supplying a first voltage and a second voltage having different levels to the sense amplifier through the sensing line during a refresh operation.