* source LOGICL
X_U5A         S0 N01756 $G_DPWR $G_DGND 7404 PARAMS:
+ IO_LEVEL=0 MNTYMXDLY=0
U_DSTM1         FSTIM(2) $G_DPWR $G_DGND S1 S0 IO_STM FILE="sig.stm" IO_LEVEL=0
+  SIGNAMES=s1 s0
X_U6A         N01563 N01717 N01756 Y0 $G_DPWR $G_DGND 7411 PARAMS:
+ IO_LEVEL=0 MNTYMXDLY=0
X_U7A         N01717 N01563 S0 Y1 $G_DPWR $G_DGND 7411 PARAMS:
+ IO_LEVEL=0 MNTYMXDLY=0
U_DSTM2         STIM(1,1) $G_DPWR $G_DGND A IO_STM IO_LEVEL=0 
+ 0 0
+ +.5uS 1
+REPEAT FOREVER
+ +.5uS 0
+  +.5uS 1
+ ENDREPEAT
X_U8A         N01563 S1 N01756 Y2 $G_DPWR $G_DGND 7411 PARAMS:
+ IO_LEVEL=0 MNTYMXDLY=0
X_U9A         S1 N01563 S0 Y3 $G_DPWR $G_DGND 7411 PARAMS:
+ IO_LEVEL=0 MNTYMXDLY=0
X_U2A         A N01497 N01563 $G_DPWR $G_DGND 7408 PARAMS:
+ IO_LEVEL=0 MNTYMXDLY=0
X_U3A         E N01497 $G_DPWR $G_DGND 7404 PARAMS:
+ IO_LEVEL=0 MNTYMXDLY=0
U_DSTM3         STIM(1,0) $G_DPWR $G_DGND E IO_STM STIMULUS=E
X_U4A         S1 N01717 $G_DPWR $G_DGND 7404 PARAMS:
+ IO_LEVEL=0 MNTYMXDLY=0