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  1. #1
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    vdd core

    can someone tell me the difference between VDD core and VDD ring?

    •   Alt18th December 2006, 23:09

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  2. #2
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    vdd ring

    VDD rings supply the core, IO or analog parts of the chip. So, to answer your quesiton, A VDD ring can be a core supply, but not necessarily.


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    •   Alt19th December 2006, 04:06

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  3. #3
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    Re: VDD core and VDD ring

    vdd ring supplies the power to the inner vdd core that are verical or horizontal.
    vdd rings get the supply from the vdd pads.


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