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DDR Theory and Layout

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  • DDR Theory and Layout

    Hello,

    I am new to high speed design, and I would like to know more about it especially the DDR memories, since it is the most dicussed topic on Robert courses, can anybody suggest ressources that can help me build a good understanding of the theory of DDR memories and layout, I don't know how much theory should be sufficient to do the layout succesfully.

    Zakaria.


  • #2
    For DDR layout basics, there are two important things you may want to learn about:
    - length matching
    - bit/byte swapping

    Probably the simplest way to learn these are design guide. Have a look at NXP design guide .. you will need to register:
    https://www.nxp.com/webapp/Download?...=IMX6DQ6SDLHDG

    That document can help you a lot.


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