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:
Sep. 15, 2015
Filed:
Apr. 14, 2014
SK Hynix Inc., Icheon-si Gyeonggi-do, KR;
Cheol Hoe Kim, Icheon-si Gyeonggi-do, KR;
Jae Boum Park, Icheon-si Gyeonggi-do, KR;
Na Yeon Cho, Icheon-si Gyeonggi-do, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
An internal voltage control circuit according to an embodiment may include a source power supply selection unit configured to receive a first internal power supply voltage and a second internal power supply voltage and selecting the first internal power supply voltage and the second internal power supply voltage as a source voltage in response to a test mode enable signal, a first reference voltage generation unit configured to receive the source voltage from the source power supply selection unit, and configured to generate a to first low reference voltage and a first high reference voltage. The reference voltage control circuit may also include a second reference voltage generation unit configured to receive the first internal power supply voltage and configured to generate a second low reference voltage and a second high reference voltage.