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Differential clocks in DDR memories

Discussion in 'General Electronics Discussion' started by selva, Jul 12, 2011.

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  1. selva

    selva

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    Apr 26, 2010
    Hello All,

    Can any explain me why differential clocks are required in DDR memories?

    Is that for transferring 2 or more words in a single clock? Its not convincing me.

    I addition to it, Burst length is about the amount of data transfered.

    Lets say i have a burst length of 4 for 4 byte data so a total of 16 bytes transferred.

    What is gonna be difference in selecting a burst ordering of 0,1,2,3 or 1,2,3,0 or 2,3,0,1...

    Thanks and Regards,
    Selvam Anand:)
     
    Last edited: Jul 12, 2011
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