Flash memory PC card capable of refreshing data a predetermined time after the PC card is removed from a host
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United States of America Patent
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-
Mar 3, 1998
Grant Date -
N/A
app pub date -
Sep 13, 1996
filing date -
Mar 8, 1996
priority date (Note) -
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status (Latency Note)
Importance
Abstract
In order to hold data correctly for a longer time in a flash PC card comprising a flash memory device, a timer starts counting a predetermined time when the PC card is removed from a host. When the PC card is inserted into the host again, a controller refreshes data stored in the flash memory device if the timer has counted the predetermined time. In a different PC card, a flash PC card comprises an internal power supply. A timer starts counting a predetermined time after an external power supply is stopped. When the timer has counted a predetermined time, the power supply starts to supply an electric power. A controller refreshes data stored in the flash memory device when the internal power supply starts to supply an electric power.
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