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. 26, 2013
Filed:
Dec. 30, 2010
Chang-ho DO, Gyeonggi-do, KR;
Bok-moon Kang, Dublin, CA (US);
Tae-hyung Jung, Santa Clara, CA (US);
Yeon-woo Kim, Gyeonggi-do, KR;
Chang-Ho Do, Gyeonggi-do, KR;
Bok-Moon Kang, Dublin, CA (US);
Tae-Hyung Jung, Santa Clara, CA (US);
Yeon-Woo Kim, Gyeonggi-do, KR;
Hynix Semiconductor Inc., Gyeonggi-do, KR;
Abstract
A semiconductor memory device includes a plurality of banks, each including a plurality of first memory cells and a plurality of second memory cells, a first input/output unit configured to transfer first data between the first memory cells and a plurality of first data pads, a second input/output unit configured to transfer second data between the second memory cells and a plurality of second data pads, a path selection unit configured to transfer the first data which are input through the first data pads, to both the first and second memory cells, during a test mode, and a test mode control unit configured to compare the first data of the first and second memory cells, and to control the first data pads to denote a fail status based on a comparison result, during the test mode.