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Assura LVS: Clarification on virtual connection using joinablePin() function.

ShrikantTI
Suppose if the there is unconnected net and if i create the pin on the two unconnected terminals and run the assura using joinablePin() function i would be able to clear the LVS and then go ahead and create the RCX netlist. When RCX netlist is created, how is this issue taken care? and what kind of parasitic's are extracted? Suppose there is net created between two terminals but still i go ahead and create pin on these terminals retaining the net and use joinablePin() again to create the short then run LVS amd then RCX, in that case what is be considered for the RCX extraction? which will have higher precedent ? short created because of the joinablePin() or actual layout existed for the net?
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  • Quek

    Hi Shrikant

    I think perhaps you meant "joinableNet" function because there is no joinablePin function. I am not quite sure what you meant by "what kind of parasitic's are extracted". If you had set "C-only" extraction in the QRC or RCX form, then only parasitic capacitors will be present in the netlist. If "RC" extraction has been selected, then you will get parasitic capacitors and resistors.

    Would you please provide more details for the problem?

    Best regards
    Quek

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  • Quek

    Hi Shrikant

    I think perhaps you meant "joinableNet" function because there is no joinablePin function. I am not quite sure what you meant by "what kind of parasitic's are extracted". If you had set "C-only" extraction in the QRC or RCX form, then only parasitic capacitors will be present in the netlist. If "RC" extraction has been selected, then you will get parasitic capacitors and resistors.

    Would you please provide more details for the problem?

    Best regards
    Quek

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