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Filler cells placed outside EndCap

stevemc

 My design has an area of placement blockage in one corner. In the core rows along this blockage, I get endcaps which are spaced away from the blockage, causing filler cells to eventually be placed at the end of the row, outside the endcap. Is this a problem with my addEndCap, addFiller, or possible addStripe?

 

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  • stevemc

     It is indeed trying to do a cutout in the corner of the block. We represented that as a placement blockage plus routing blockage on all layers. So that's why the stripes don't extend. I did experiment with manually changing those routing blockages to a thin ring (thinking that maybe it was a wide-metal spacing rule), and that didn't help.

     How much of the design do you need? Could I just send you the .enc* or would you need all of the libraries and stuff?

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  • stevemc

     It is indeed trying to do a cutout in the corner of the block. We represented that as a placement blockage plus routing blockage on all layers. So that's why the stripes don't extend. I did experiment with manually changing those routing blockages to a thin ring (thinking that maybe it was a wide-metal spacing rule), and that didn't help.

     How much of the design do you need? Could I just send you the .enc* or would you need all of the libraries and stuff?

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