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  3. secondary power pin routing

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secondary power pin routing

HansRey
HansRey over 9 years ago

Hi,

I have a cell with a secondary power pin that needs routing. I'm trying a few strategies to route this pin:

1. setPGPinUseSignalRoute <cell>*: <net> -off
    routePGPinUseSignalRoute -nets {<net>}

2. sroute -secondaryPinNet <net> -powerDomains <powerdomain>


The first method is giving me the result I want, except for the routing width and amount of via's:
Since the power stripes are quite wide, and routing is done minimal width, I keep getting DRC errors

The second method is not giving me what I want, since it's routing full stripes horizontally over the chip, congesting my routing.

Any tips on how to handle this? Is there any way to adjust the routing type/width for the first method? Without adjusting the technology lef file?


Kind regards,

Hans

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  • Kari
    Kari over 9 years ago

    Hi Hans,

    The usage doesn't look quite right. And you are turning it off with the -off switch. It should be:

    setPGPinUseSignalRoute cellName:pinName

    routePGPinUseSignalRoute -nets netName

    - Kari

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