We acknowledge the following code sources and copyright owners:
        
        
          
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              SPICE3, BSIM3 and BSIM4: The Regents of the University of California at Berkeley
            
 
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              XSpice: Computer Science and Information Technology Laboratory, Georgia Tech. Research Institute, Georgia Institute of Technology
            
 
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              KLU Matrix Solver: University of Florida Research Foundation, Inc.
            
 
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              HiSim HV Model: Hiroshima University & Semiconductor Technology Academic Research Center (STARC)
            
 
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              SimKit models; NXP Semiconductors