Invention Grant
US09305654B2 Erase and soft program for vertical NAND flash 有权
用于垂直NAND闪存的擦除和软编程

Erase and soft program for vertical NAND flash
Abstract:
Methods, and apparatuses to erase and or soft program a block of NAND memory may include performing an erase cycle on a block of NAND memory comprising two or more sub-blocks, verifying the two or more sub-blocks until a sub-block fails to verify, stopping the verification in response to the failed verify, performing another erase cycle on the block of NAND memory, and re-starting to verify the two or more sub-blocks at the sub-block that failed to verify.
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