IO cells schematics implemented in Xschem

ihp-sg13g2/libs.ref/sg13g2_io/xschem/io_testbench/sg13g2_io_DCNDiode_tb.sch

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+v {xschem version=3.4.5 file_version=1.2
+}
+G {}
+K {}
+V {}
+S {}
+E {}
+B 2 380 -310 1180 90 {flags=graph
+y1=-4e-4
+y2=4e-4
+ypos1=0
+ypos2=2
+divy=5
+subdivy=1
+unity=1
+x1=0
+x2=20e-9
+divx=5
+subdivx=1
+xlabmag=1.0
+ylabmag=1.0
+node="i(Vmeas)"
+color="7"
+dataset=-1
+unitx=1
+logx=0
+logy=0
+}
+N 140 -30 230 -30 {
+lab=GND}
+N 140 100 140 140 {
+lab=GND}
+N 140 10 140 40 {
+lab=#net1}
+N -330 130 -330 140 {
+lab=GND}
+N -330 30 -330 70 {
+lab=in}
+N -380 30 -330 30 {
+lab=in}
+N -330 -10 -330 30 {
+lab=in}
+N -270 -10 -160 -10 {
+lab=#net2}
+C {sg13g2_DCNDiode.sym} -10 -10 0 0 {name=x1}
+C {gnd.sym} 230 -30 0 0 {name=l1 lab=GND}
+C {devices/vsource.sym} 140 70 0 0 {name=Vdd2 value=1.2}
+C {devices/gnd.sym} 140 140 0 0 {name=l2 lab=GND}
+C {devices/code_shown.sym} -30 220 0 0 {name=NGSPICE only_toplevel=true 
+value="
+.param temp=27
+.control
+save all 
+tran 5p 20n
+*meas tran tdelay TRIG v(in) VAl=0.9 FALl=1 TARG v(out) VAl=0.9 RISE=1
+write tran_DCNDiode_op.raw
+
+
+.endc
+"}
+C {devices/code_shown.sym} -430 220 0 0 {name=MODEL only_toplevel=true
+format="tcleval( @value )"
+value="
+.include diodes.lib
+"}
+C {devices/title.sym} -520 520 0 0 {name=l5 author="Copyright 2023 IHP PDK Authors"}
+C {devices/launcher.sym} -320 -240 0 0 {name=h5
+descr="load waves Ctrl + left click" 
+tclcommand="xschem raw_read $netlist_dir/tran_DCNDiode_op.raw tran"
+}
+C {devices/gnd.sym} -330 140 0 0 {name=l7 lab=GND}
+C {devices/vsource.sym} -330 100 0 0 {name=Vin value="dc 0 ac 0 pulse(0, 1.2, 0, 100p, 100p, 2n, 4n ) "}
+C {ammeter.sym} -300 -10 3 0 {name=Vmeas savecurrent=true spice_ignore=0}
+C {lab_pin.sym} -380 30 0 0 {name=p1 sig_type=std_logic lab=in}