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:
Nov. 29, 2016
Filed:
Nov. 17, 2014
SK Hynix Inc., Incheon-si Gyeonggi-do, KR;
Chi Wook An, Icheon-si, KR;
Min Kyu Lee, Icheon-si, KR;
SK HYNIX INC., Icheon-Si, KR;
Abstract
An embodiment of the invention may provide a semiconductor memory device including a memory cell array including a plurality of memory cells, a peripheral circuit unit configured to perform a program operation with respect to a memory cell selected from the plurality of memory cells, wherein first to third program voltage applying operations and first to third verifying operations are alternatively performed, and a control logic configured to control the peripheral circuit unit to perform the first to third program voltage applying operations and the first to third verifying operations and to increase a second program voltage applied during the second program voltage applying operation more than a first program voltage applied during the first program applying operation by a first step voltage and a third program voltage applied during the third program voltage applying operation more than the second program voltage by a second step voltage.