Version 4 SHEET 1 1164 1256 WIRE -496 128 -496 112 WIRE -96 128 -96 112 WIRE 144 128 144 112 WIRE 384 128 384 112 WIRE -528 160 -608 160 WIRE -336 160 -464 160 WIRE -256 160 -336 160 WIRE -208 160 -256 160 WIRE -128 160 -208 160 WIRE 32 160 -64 160 WIRE 64 160 32 160 WIRE 112 160 64 160 WIRE 256 160 176 160 WIRE 304 160 256 160 WIRE 352 160 304 160 WIRE 544 160 416 160 WIRE 592 160 544 160 WIRE -496 208 -496 192 WIRE -96 208 -96 192 WIRE 144 208 144 192 WIRE 384 208 384 192 WIRE -336 256 -336 160 WIRE -208 272 -208 160 WIRE -608 320 -608 160 WIRE 384 320 384 304 WIRE 304 352 304 160 WIRE 352 352 304 352 WIRE 544 352 544 160 WIRE 544 352 416 352 WIRE -336 368 -336 320 WIRE -208 368 -208 336 WIRE 144 368 144 336 WIRE 384 400 384 384 WIRE 144 480 144 448 WIRE -608 496 -608 400 WIRE -336 496 -336 448 WIRE -336 496 -608 496 WIRE -208 496 -208 448 WIRE -208 496 -336 496 WIRE -128 496 -208 496 WIRE 64 496 64 160 WIRE 64 496 -64 496 WIRE 384 512 384 496 WIRE 304 544 304 352 WIRE 352 544 304 544 WIRE 544 544 544 352 WIRE 544 544 416 544 WIRE 384 592 384 576 FLAG 144 208 0 FLAG 384 208 0 FLAG -96 208 0 FLAG -496 208 0 FLAG -496 112 VCC FLAG -96 112 VCC FLAG 144 112 VCC FLAG 384 112 VCC FLAG 144 336 VCC FLAG 144 480 0 FLAG 384 400 0 FLAG 384 304 VCC FLAG 384 592 0 FLAG 384 496 VCC FLAG -256 160 g1 FLAG 32 160 g2 FLAG 256 160 g3 FLAG 592 160 out IOPIN 592 160 Out SYMBOL buffer_inv1 -512 160 R0 SYMATTR InstName U1 SYMATTR Value CD4049UB SYMBOL diode -352 256 R0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL diode -224 336 M180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL res -352 352 R0 SYMATTR InstName R1 SYMATTR Value 51k SYMBOL res -224 352 R0 SYMATTR InstName R2 SYMATTR Value 51k SYMBOL res -624 304 R0 SYMATTR InstName R3 SYMATTR Value 51k SYMBOL buffer_inv1 -112 160 R0 SYMATTR InstName U2 SYMATTR Value CD4049UB SYMBOL cap -128 512 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName C1 SYMATTR Value 10n SYMBOL buffer_inv1 128 160 R0 SYMATTR InstName U3 SYMATTR Value CD4049UB SYMBOL buffer_inv1 368 160 R0 SYMATTR InstName U4 SYMATTR Value CD4049UB SYMBOL voltage 144 352 R0 SYMATTR InstName V1 SYMATTR Value 9 SYMBOL buffer_inv1 368 352 R0 SYMATTR InstName U5 SYMATTR Value CD4049UB SYMBOL buffer_inv1 368 544 R0 SYMATTR InstName U6 SYMATTR Value CD4049UB TEXT -584 624 Left 0 !* sub-circuit for one section of a CD4049UB HEX CMOS inverter\n.SUBCKT CD4049UB 1 2 3 4\n*\n*Diode added, Helmut\nD2 4 1 DD\n*\n.model DD D(Is=1e-14 N=1.5 RS=100)\n*Hex Buffer In Out Vcc Vss\nM1 2 1 3 3 CD4049P\nM2 2 1 4 4 CD4049N\n.MODEL CD4049P PMOS (LEVEL=3 VTO=-2.9 KP=2M GAMMA=3.97U\n+ PHI=.75 RD=28.2 RS=45.2 IS=31.2F PB=.8 MJ=.46\n+ CBD=148P CBS=177P CGSO=218N CGDO=182N CGBO=299N W=80U L=10U)\n*+ PHI=.75 LAMBDA=1.87M RD=28.2 RS=45.2 IS=31.2F PB=.8 MJ=.46\n*\n.MODEL CD4049N NMOS (LEVEL=3 VTO=2.1 KP=5M GAMMA=3.97U\n+ PHI=.75 RD=4.2 RS=4.2 IS=31.2F PB=.8 MJ=.46\n+ CBD=105P CBS=127P CGSO=156N CGDO=130N CGBO=214N W=40U L=10U)\n*+ PHI=.75 LAMBDA=1.87M RD=4.2 RS=4.2 IS=31.2F PB=.8 MJ=.46\n.ENDS TEXT -312 -16 Left 0 ;http://tardis.union.edu/~hedrickj/ece348/CD4049.lib TEXT -616 16 Left 0 !.tran 0 20m 0 10u startup TEXT -616 -16 Left 0 ;.include CD4049UB.lib