Can I connect two global nodes in a Dracula LVS Spice netlist?

Discussion in 'Cadence' started by Me, Oct 17, 2003.

  1. Me

    Me Guest

    Can I connect two global nodes in a Dracula LVS Spice netlist?
    (i.e. if my netlist includes the globals "vdd1" and "vdd2",
    is it possible to connect them?)

    The Dracula Reference (rev 4.8.1, June 2000) seems to be
    ambiguous on this.

    The section on the "*.EQUIV" statement (p.174) suggests yes. It says:

    The *.EQUIV command works in one of three ways:
    ....
    Equates power and ground nodes. For example,
    *. EQUIV VDD=vdd1 VDD=vdd2


    However the section "Preparing Spice files" suggests no. After saying
    that the way to connect two nodes is using a 0V voltage source, it
    says:

    "You cannot connect global nodes to global nodes."

    So: can I or can't I?

    Thanks in Advance
     
    Me, Oct 17, 2003
    #1
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