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Finding pins on side of the given cell

ssuhas

Hi,

I just wanted to know how do we find the pins on each side of the given cell in SOCE.

 

Thanks

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  • BobD

    There's a TCL command called "estimatePtnChannel" that might be useful in this scenario. Would you have a chance to look at that and let us know how well it suits your needs?

    I seem to recall doing analysis of a design similar to what you're talking about. There was a bank of a dozen or so of the same hard macro instantiated in the design side-by-side. I kept running into routability problems and decided after a few iterations that it would be more efficient to estimate the required channel width by counting up the number of pins on the hard macro, and then estimating how many signals per micron I could fit in given the available tracks and power grid, and then determining how many microns the macros needed to be spaced out given this input.

    Does that sound similar to what you're seeking to accomplish?

Reply
  • BobD

    There's a TCL command called "estimatePtnChannel" that might be useful in this scenario. Would you have a chance to look at that and let us know how well it suits your needs?

    I seem to recall doing analysis of a design similar to what you're talking about. There was a bank of a dozen or so of the same hard macro instantiated in the design side-by-side. I kept running into routability problems and decided after a few iterations that it would be more efficient to estimate the required channel width by counting up the number of pins on the hard macro, and then estimating how many signals per micron I could fit in given the available tracks and power grid, and then determining how many microns the macros needed to be spaced out given this input.

    Does that sound similar to what you're seeking to accomplish?

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