Semiconductor device
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United States of America Patent
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May 31, 2011
Grant Date -
Aug 5, 2010
app pub date -
Feb 1, 2010
filing date -
Feb 2, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A semiconductor device includes: a driver that receives a power supply voltage and drives an external load with a driving capability; a measurement unit that measures a level of the power supply voltage; a code table that stores the level of the power supply voltage and code information for determining the driving capability of the driver; and a controller that reads the code information in accordance with the level of a measured power supply voltage in reference to the code table and controls the driving capability of the driver in accordance with the code information.
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