答案1
\documentclass[border={10pt}]{standalone}
\usepackage{tikz}
\usetikzlibrary{positioning}
\usepackage[siunitx,european,american]{circuitikz}
\usetikzlibrary{circuits.logic.US,circuits.logic.IEC,calc}
\begin{document}
\begin{tikzpicture}
[%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
block/.style={fill=blue!20,draw=red!70,thick,minimum width=1cm,minimum height=1.5cm}
]%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\draw (0,0)
node[block, label={[label distance=-3ex]90:{\scriptsize HSUM}}] (P) {}
($(P.north west)!0.4!(P.south west)$) coordinate (Pin 1)
($(P.north west)!0.6!(P.south west)$) coordinate (Pin 2)
($(P.north east)!0.4!(P.south east)$) coordinate (Pout 1)
($(P.north east)!0.6!(P.south east)$) coordinate (Pout 2)
(Pin 1) to[short,-o] ++(-0.5, 0) coordinate (input1) node[left] {\tiny p1}
(Pin 2) to[short,-o] ++(-0.5, 0) coordinate (input2) node[left] {\tiny p2}
(Pout 1) to[short,-o] ++(0.5, 0) coordinate (output1) node[right] {\tiny p3}
(Pout 2) to[short,-o] ++(0.5, 0) coordinate (output2) node[right] {\tiny p4}
;
\end{tikzpicture}
\end{document}
或者
正如@Rmano 在这里所描述的那样——https://tex.stackexchange.com/a/596334/197451
\documentclass[border=10pt]{standalone}
\usepackage[siunitx, RPvoltages]{circuitikz}
\begin{document}
\begin{tikzpicture}[]
\tikzset{ic555/.style={muxdemux,
muxdemux def={Lh=10, NL=5, Rh=10, NR=5,
NB=2, w=6, NT=2, square pins=1},
no input leads, external pins width=0.4,
circuitikz/muxdemuxes/fill=blue!10}
}
\node [ic555, font=\small\ttfamily,align=center](A) at (0,0) {HSUM};
% left pins
\foreach \rawpin/\npin/\label in {2/1/Input1, 4/2/Input2} {
\draw (A.lpin \rawpin) -- (A.blpin \rawpin)
node[midway, blue, font=\tiny, above]{\npin}
node[right, font=\tiny]{\label};
}
% top pins
% \foreach \rawpin/\npin in {1/8, 2/4} {
% \draw (A.tpin \rawpin) -- (A.btpin \rawpin)
% node[midway, blue, font=\small, left]{\npin};
% }
% bottom pins
% \foreach \rawpin/\npin in {1/5, 2/1} {
% \draw (A.bpin \rawpin) -- (A.bbpin \rawpin)
% node[midway, blue, font=\small, left]{\npin};
% }
% finally, left
\foreach \rawpin/\npin/\label in {2/3/Output1, 4/4/Output2} {
\draw (A.rpin \rawpin) -- (A.brpin \rawpin)
node[midway, blue, font=\tiny, above]{\npin}
node[left, font=\tiny]{\label};
}
% \draw (A.rpin 3) -- (A.brpin 3) node[midway, blue, font=\small, above]{3};
\end{tikzpicture}
\end{document}