%% 
%%  A DANTE-Edition example
%% 
%%  Example 24-05-1 on page 462.
%% 
%%  Copyright (C) 2011 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{375.57637pt}
\setlength\parindent{0pt}

\usepackage{pstricks,pst-circ}

\begin{document}
\begin{pspicture}(-1,0)(5,5)
  \psset{logicType=nor,logicLabelstyle=\normalsize,
      logicWidth=1,logicHeight=1.5,dotsize=0.15}
  \logic(1.5,0){nor1} \logic(1.5,3){nor2}
  \psline(nor2Q)(4,0|nor2Q) \uput[0](4,0|nor2Q){$Q$}
  \psline(nor1Q)(4,0|nor1Q) \uput[0](4,0|nor1Q){$\overline{Q}$}
  \psline{*-}(3.50,0|nor2Q)(3.5,2.5)(1.5,2.5)(0.5,1.75)(0.5,0|nor12)(nor12)
  \psline{*-}(3.50,0|nor1Q)(3.5,2)(1.5,2)(0.5,2.5)(0.5,0|nor21)(nor21)
  \psline(0,0|nor11)(nor11)\uput[180](0,0|nor11){R}
  \psline(0,0|nor22)(nor22)\uput[180](0,0|nor22){S}
\end{pspicture}
\end{document}
