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. 17, 2012

Filed:

Jun. 29, 2009
Applicant:

Je IL Ryu, Seoul, KR;

Inventor:

Je Il Ryu, Seoul, KR;

Assignee:

Hynix Semiconductor Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 11/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

A high voltage generation circuit includes a clock logic unit configured to generate a switch clock signal and a pump clock signal, that has a varying frequency, in response to an input signal, a high voltage unit configured to generate a high voltage in response to the pump clock signal, a high voltage switch configured to output a selection signal in response to the switch clock signal, and a switching element configured to transfer the high voltage, generated by the high voltage unit, to an output node in response to the selection signal.


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