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Which metal is used for PAD connection ?

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manish12

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in ic layout which metal layer is used for pad connection,
for ex when i finish my layout there are in / out wires which has diff metal name .

can i connect it as they present ?
ro any specific metal layer i should use for PAD connection ?
 

forkschgrad

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Re: PAD connection ?

in a 3 metal process its's usually the highest metal.
 

manish12

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Re: PAD connection ?

if it not then ?
via ?
connection between available layers to metel3 or higher layers can be the solution ?
 

forkschgrad

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Re: PAD connection ?

as much as possible when connecting block to block, connect it with lower metals. when connecting the core to pad u can use the highest metal.

Added after 3 minutes:

higher metals usually can handle higher current density.
 

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