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:
Jan. 22, 2013
Filed:
Jul. 02, 2010
Hyung-jik Kim, Seongnam-si, KR;
Han-gu Sohn, Suwon-si, KR;
Hyung-jik Kim, Seongnam-si, KR;
Han-gu Sohn, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
A semiconductor memory device capable of performing a partial self refresh and semiconductor memory system including same is provided. The semiconductor memory device includes: a memory circuit including a memory array; a skip address storage unit storing an address of an excluded region not requiring refresh in the memory array as a skip address; a refresh address generator providing an address of a region of the memory array requiring refresh as a refresh address; and an address comparator receiving and comparing the skip address and refresh address, and providing a refresh control signal to the memory circuit based on the comparison.