Pad placement rules

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Hi everyone,

could you please give me some advice on pad placement, especially for power/ground pads? I know some basic rules like

1. place the pads close to their corresponding pins to simplify routing
2. place VDD or VSS around special pads like refclock, reset for noise shielding

what else?
 

By pads do you mean Decaps or the pins of any component?
 

you need to know the pitch limitation you have for the design.
the bound/bump placement if needed.
adding enough clamp for ESD protection
 

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