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.

Date of Patent:
Jan. 07, 2014

Filed:

Dec. 13, 2012
Applicant:

SK Hynix Inc., Gyeonggi-do, KR;

Inventor:

Yoon-Jae Shin, Gyeonggi-do, KR;

Assignee:

SK Hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

An internal voltage generating circuit includes a divided voltage generator configured to generate a divided voltage by dividing a feedback internal voltage level at a division ratio corresponding to an operation mode control signal, a voltage detector configured to detect a level of the divided voltage based on a reference voltage level, an internal voltage generator configured to receive a supply voltage as power source and generate the internal voltage in response to an output signal of the voltage detector, and an under-driving unit configured to under-drive an internal voltage terminal to a supply voltage in an under-driving operation region that is determined in response to the operation mode control signal.


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