Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Seiji Yamahira0
Date of Patent
October 5, 2010
0Patent Application Number
123919280
Date Filed
February 24, 2009
0Patent Primary Examiner
Patent abstract
Analog comparison circuits are provided, each of which compares the potentials of the same stage of a first boosting cell row and a second boosting cell row and selecting and outputting the lower potential. The P-well potentials of switching devices having a triple-well structure are controlled using the output potentials of these analog comparison circuits. As a result, the amplitude of the P-well potential can be suppressed and a common P-well region can be arranged.
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