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:
Oct. 20, 2015
Filed:
May. 23, 2014
SK Hynix Inc., Gyeonggi-do, KR;
Chun-Seok Jeong, Gyeonggi-do, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
A semiconductor memory device includes an operation control block suitable for controlling an entrance/escape to/from a test public mode and a test application mode in response to a first preset command and an address signal that is inputted through an address pad, a test normal input block suitable for receiving the address signal as a test operation signal in response to the first preset command in the test application mode, a test public input block suitable for receiving a data signal, which is inputted through a data pad as the test operation signal in response to a second preset command in the test public mode, and an internal circuit suitable for performing a preset test operation in response to the test operation signal in the test application mode.