Block specific status information in a memory device
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United States of America Patent
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Nov 29, 1994
Issued Date -
N/A
app pub date -
Mar 30, 1994
filing date -
Jun 30, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A flash memory device having a plurality of flash array blocks and a block status register circuit containing a block status register for storing a block status for each flash array block. A flash array controller circuit in the flash memory device performs program or erase operations on the flash array blocks, and maintains the block status in each block status register. An interface circuit in the flash memory device enables read access of the block status registers over a bus.
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