Filter a custom 2-pin device when the first pin is attached to a floating net

Document created by brent_beebe on Oct 30, 2012
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How can I filter a custom 2-pin device when the first pin is attached to a floating net.

 

Assuming you have a custom, two pin device called "mydev" in a DEVICE statement, you can cause Calibre to filter it like it were an unused other type of device such as  a resistor, by using the LVS DEVICE TYPE statement, coupled with the RB and DEVICES arguments to LVS FILTER UNUSED OPTION, as shown in example here:

 

LVS DEVICE TYPE r mydev

LVS FILTER UNUSED OPTION..rb DEVICES mydev

 

This does not make mydev into a resistor, it just makes Calibre treat it like one you would filter out.

The RB function says to filter "resistors" (in this case "mydev") when one pin is floating.

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