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PCB Design,HSPICE,Free Physical Viewer Contraints Manager,Outline,PCB,oblong drill,hi all,No_pad,EDIF netlist from ConceptHDL schematic,Constraints,padstack change,format symbols,auto router

  • PCB autorouter(spectraa) not converging

    Hi, I am making my first pcb with a xilinx fpga device(256 pin BGA package).I am simply connecting the all I/O's to 4 standard 40 pin connectors.Are padstacks necessary for PCB routing??.I have drawn the schematic in Capture imported it to Layout_Plus and autorouted it. But after 3 hours of autorouting...
    Posted to PCB Design (Forum) by bennyn1 on Thu, Sep 2 2010
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