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What are the non-default rules ?

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anil4sat

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What are non default rules? Why metal 1 should be horizontal why cant vertical? what metal 2 should be vertical why cant horizontal?
 

hqqh

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Re: non default rules

Hi,

as I understand, two metal layers (which are close together) should not be laid out in parallel because of the capacitive coupling. thats all.
I think such rules are described in the design rule file for a specific technology.

regards,
hqqh
 

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