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:
Mar. 10, 2015
Filed:
Jul. 16, 2012
Applicant:
Je IL Ryu, Seoul, KR;
Inventor:
Je Il Ryu, Seoul, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01); G05F 3/02 (2006.01); G11C 5/14 (2006.01); G11C 8/08 (2006.01);
U.S. Cl.
CPC ...
G11C 5/145 (2013.01); G11C 7/00 (2013.01); G11C 8/08 (2013.01);
Abstract
A high voltage generation circuit includes a plurality of pumps configured to generate a final pump voltage, a plurality of switches configured to couple the pumps to various nodes, a voltage division circuit configured to divide the final pump voltage from the pumps interconnected by the switches, and outputting a divided voltage, a section signal generation circuit configured to generate a plurality of section signals by comparing the divided voltage with each of different reference voltages, and a section signal combination circuit configured to generate enable signals for controlling the switches by combining the section signals.