Method Of Operating A NAND Memory Controller To Minimize Read Latency Time
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United States of America Patent
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Issued Date -
Oct 13, 2011
app pub date -
Apr 8, 2010
filing date -
Apr 8, 2010
priority date (Note) -
Abandoned
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Abstract
A NAND memory chip has a plurality of blocks with each block having a certain amount of storage and wherein the amount of storage in each block is the minimum amount that is erasable as a group. A controller controls the NAND memory chip. The method of operating the controller comprises writing data into a block of the NAND memory chip to partially fill the block. Then the controller tracks the extent to which the block has been written. After the block is partially written, the step is stopped. The controller determines if a request to the NAND memory chip needs to be serviced. The controller resumes the writing into the block after servicing the request. The present invention also relates to a method for controlling, the operation of a memory device having a controller for interfacing with and controlling a NAND memory. The memory device is responsive to either serial or parallel ATA protocol commands supplied from a host.
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