Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takeshi Sakata0
Satoru Hanzawa0
Date of Patent
January 30, 2007
0Patent Application Number
111262140
Date Filed
May 11, 2005
0Patent Primary Examiner
Patent abstract
A semiconductor device to output voltages at three levels to a word driver while alleviating the breakdown voltage in the MOS transistor. This invention is comprised of a breakdown-voltage reducing MOS transistor inserted in the word driver and two NMOS transistors to supply a read-out voltage to a word line. The word driver is moreover controlled by different voltage amplitudes on the main word lines and the common word lines.
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