Semiconductor storage apparatus including a plurality of nonvolatile flash memories and utilizing logical to physical sector conversion
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United States of America Patent
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Jul 22, 2003
Grant Date -
Aug 22, 2002
app pub date -
Apr 26, 2002
filing date -
Jun 22, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A semiconductor disk storage apparatus is coupled with a system bus for receiving a write request accompanied with first and second blocks of data of 512 bytes each through the system bus from an external information processing system. A controller is also provided which converts logical sector numbers for said first and second blocks of data into physical sector numbers of areas of nonvolatile flash semiconductor memories into which said first and second blocks of data are to be written and then, responsive to a write request, sends a first write command to write the first block of data from a buffer memory into one of the flash memories and a second write command to write the second block of data from the buffer memory into another of the flash memories different from the flash memory to which the first write command has been sent.
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