James Nick Sears wrote:
> Hi,
>
> I'm thinking about making the jump into a 256 pin BGA for my next
> project, but I have a lot of unknowns when it comes to actually doing
> the layout.  Does anyone have a good reference for things like what
> sort of footprint to use (a grid of vias, right?), suggestions on
> routing all of those pins out into the open, etc?
>
> Any suggestions much appreciated!
>
> -n.
>   
What chip is it? They might actually give you a recommended breakout
pattern.

-
Martin
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