Non-volatile memory device capable of supplying power
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United States of America Patent
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Aug 3, 2010
Grant Date -
Feb 4, 2010
app pub date -
Sep 18, 2008
filing date -
Aug 4, 2008
priority date (Note) -
Expired
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Abstract
A non-volatile memory device capable of supplying power is provided. The non-volatile memory device includes an electrical storage device for supplying a stored power, a charging control circuit coupled to the electrical storage device, a non-volatile memory, an input/output (I/O) interface, and a power control circuit. The I/O interface connects an electronic apparatus for transmitting an external power output from the electronic apparatus to the non-volatile memory and the charging control circuit, such that the charging control circuit could control a charging current and a charging voltage of the electrical storage device. The power control circuit converts the stored power into a backup power, and monitors whether a voltage value of the external power is less than a predetermined value. If the result is positive, the power control circuit controls the charging control circuit to stop charging the electrical storage device, and outputs the backup power through the I/O interface.
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