Flash memory having configurable sector size and flexible protection scheme
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United States of America Patent
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Issued Date -
Nov 2, 2006
app pub date -
Apr 29, 2005
filing date -
Apr 29, 2005
priority date (Note) -
Abandoned
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Abstract
Methods and systems are provided for a flash memory device having a configurable sector size and a flexible protection scheme. A flash memory circuit includes: a memory array including a plurality of memory sectors, wherein at least one of the memory sectors includes a plurality of subsectors; a status register array including a plurality of protection bits defining a protection scheme for the memory array; a configuration register array defining a protection scheme for the plurality of subsectors, said configuration register including a subsector enable bit and a plurality of subsector protection bits; and control logic for controlling storage of data on the memory array.
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