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manufacturing grid and routing grid

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mujju433

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Can anybody explain me wt is the difference between routing grid and manufacturing grid?

I will give him 14 points if anybody can explain me clearly ???
 

yalanand

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The difference is

Routing grids : These are the grids which are used by place and route tool to route the METAL layers. Place and route tools like MAGMA/silicon ensemble or VDIO does this because this will automatically satisfy the DRC rule.

Manufacturing grid : Its nothing but related to process. Your layout should on on manufacturing grid else it will cause a problem in process. This is because while chip fabrication there is limit because of aperture angle (while masking) hence all your chip dimension has to satisfy this.
 

mujju433

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But i want to know in terms of CADENCE TOOLS called as SOC encounter or virtuso layour editor....Can u plz find out and tell me ??
 

yalanand

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i guess VDIO is encounter...
 

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