Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 12, 2011
Patent Application Number
12345030
Date Filed
December 29, 2008
Patent Primary Examiner
Patent abstract
A semiconductor memory device includes a source signal generator configured to generate a source signal having a predetermined pulse width in response to a command signal, and a column selection signal generator configured to generate a column selection signal by controlling a pulse width of the source signal according to a voltage level of an external supply voltage.
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