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Recent content by rybackguo

  1. R

    Preserve design (signal, instance, etc) in synopsys DC

    I have a design that contains redundant structures and I do not want synopsys DC to optimize my design logic away, but the tool remove the circuits by default. How can I ask DC not to remove my logic? Also how to reduce the optimization effort? (I have very relaxed requirements for other...
  2. R

    NanoSim sampling rate is not constant.

    I have a SPICE netlist which prints out the voltage of a node. I simulate this SPICE netlist using HSPICE. The .lis file generated by HSPICE gives me the values of this node with a constant sampling rate. For example, I simulate from 0ns to 10ns. HSPICE prints out the voltage of the node every...
  3. R

    What is the verilog equivalent to VHDL key word "variable"

    Hi all, How do I write equivalent verilog code for the below VHDL code? I show my verilog code behind the VHDL code. The verilog code does compile, but aux is invalid during the entire simulation. VHDL: (classic_multiplier_parameters.vhd defines m = 8) library ieee; use...

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