\begin{itemize} \item \textbf{Name} : DpgenNand2 -- Nand2 Macro-Generator \item \textbf{Synopsys} : \begin{verbatim} Generate ( 'DpgenNand2', modelname , param = { 'nbit' : n , 'drive' : d , 'physical' : True , 'behavioral' : True } ) \end{verbatim} \item \textbf{Description} : Generates a \verb-n- bits two inputs NAND with an output power of \verb-d- named \verb-modelname-. \item \textbf{Terminal Names} : \begin{itemize} \item \textbf{i0} : input (\verb-n- bits) \item \textbf{i1} : input (\verb-n- bits) \item \textbf{nq} : output (\verb-n- bits) \item \textbf{vdd} : power \item \textbf{vss} : ground \end{itemize} \item \textbf{Parameters} : Parameters are given in the map \verb-param-. \begin{itemize} \item \textbf{nbit} (mandatory) : Defines the size of the generator \item \textbf{drive} (optional) : Defines the output power of the gates \begin{itemize} \item Valid drive are : 1 or 4 \item If this parameter is not defined, it's value is the smallest one permitted \end{itemize} \item \textbf{physical} (optional, default value : False) : In order to generate a layout \item \textbf{behavioral} (optional, default value : False) : In order to generate a behavior \end{itemize} \item \textbf{Behavior} : \begin{verbatim} nq <= not ( i0 and i1 ) \end{verbatim} \item \textbf{Example} : \begin{verbatim} from stratus import * class inst_nand2 ( Model ) : def Interface ( self ) : self.in1 = SignalIn ( "in1", 8 ) self.in2 = SignalIn ( "in2", 8 ) self.o = SignalOut ( "o", 8 ) self.vdd = VddIn ( "vdd" ) self.vss = VssIn ( "vss" ) def Netlist ( self ) : Generate ( 'DpgenNand2', 'nand2_8' , param = { 'nbit' : 8 , 'physical' : True } ) self.I = Inst ( 'nand2_8', 'inst' , map = { 'i0' : self.in1 , 'i1' : self.in2 , 'nq' : self.o , 'vdd' : self.vdd , 'vss' : self.vss } ) def Layout ( self ) : Place ( self.I, NOSYM, Ref(0, 0) ) \end{verbatim} \end{itemize}