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. 12, 2013
Filed:
Jul. 07, 2011
Myung Cho, Changwon-si, KR;
Hwang Huh, Cheongju-si, KR;
Jung Hwan Lee, Seoul, KR;
Ji Hwan Kim, Seoul, KR;
Myung Cho, Changwon-si, KR;
Hwang Huh, Cheongju-si, KR;
Jung Hwan Lee, Seoul, KR;
Ji Hwan Kim, Seoul, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
A semiconductor memory device includes a memory cell array comprising a plurality of cell strings and a page buffer group comprising a plurality of page buffers coupled to the respective cell string through bit lines. Each of the page buffers includes a latch unit for storing data to be programmed into memory cells included in the cell string or for storing data read from the memory cells. Each of the page buffers is coupled to a pad for the test operation of the memory cells according to data stored in the latch unit in the test operation.