Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sun Suk Yang0
Kwang Hyun Kim0
Date of Patent
October 31, 2006
0Patent Application Number
109066380
Date Filed
February 28, 2005
0Patent Primary Examiner
Patent abstract
A charge pump circuit comprises a decoder for generating a plurality of control signals, a ring oscillator an output frequency of which varies according to the plurality of the control signals, a charge pump for generating a high voltage, which is higher than an external voltage, according to an output of the ring oscillator, and a fuse tuning unit for fixing one of the plurality of the control signals.
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