why memory block size of nand and nor flash differ

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Discussion in 'General Electronics Chat' started by yogesh tripathi, Apr 28, 2016.

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  1. Apr 28, 2016 #1
    yogesh tripathi

    Thread Starter New Member

    Apr 5, 2016
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    why the erase block of nand and nor flash differ, which lead to drastic change in the erase cycle along with write speed?
     
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  2. Apr 28, 2016 #2
    dl324

    Distinguished Member

    Mar 30, 2015
    4,271
    844
    Welcome to AAC!
    A block is the smallest unit of storage that can be written or erased. This impacts write performance.

    NAND and NOR FLASH are not interchangeable. The best option depends on many parameters. Will the data change frequently or be mostly read, do you need direct addressing/code execution, can you implement error detection/correction, what storage capacity is needed, ...
     
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