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Creating a PCELL using two of existing PCELL's

Hi Team,

We are working on creating a layout PCELL. This PCELL will have two existing PCELL's from PDK and also will use some routing & pin layers on top of them to stitch them. We are still planning to use some of CDF parameters of the two nested PCELL's for some operations & not all of them + we will add new CDF parameters for the layout PCELL(kind of wrapper PCELL).

I have the following questions regarding creating the PCELL

1.Can we use Make Ultra Pcell option from PCELL plugin to develop this PCELL or we have to use SKILL Pcell ? If SKILL Pcell a sample section of code would help.

2.Can we do a selective copy of CDF parameters from both nested PCELL's? or Do we need to copy all CDF parameters of both nested PCELL's to wrapper PCELL.

3.If all CDF parameters need to be added , In order to view only selected CDF parameters should we need remove the CDF parameters from EDIT CDF option from right clicking on the PCELL cell view

4.How do we attach a schematic symbol to wrapper PCELL.

Thanks and regards,

natasun.

Andrew Beckett over 1 year ago

I suggest you contact customer support about this. It can get complicated depending on the PDKs you are using.

Andrew
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