Version 4
SHEET 1 956 680
WIRE -288 -192 -336 -192
WIRE 304 -192 -208 -192
WIRE -336 -160 -336 -192
WIRE 304 -160 304 -192
WIRE 256 -144 112 -144
WIRE 304 -32 304 -64
WIRE 256 -16 192 -16
WIRE -112 96 -208 96
WIRE -48 96 -112 96
WIRE 192 96 192 -16
WIRE 192 96 64 96
WIRE 304 96 304 64
WIRE 544 96 304 96
WIRE 656 96 544 96
WIRE -112 176 -112 96
WIRE 112 176 112 -144
WIRE 112 176 -112 176
WIRE 432 176 112 176
WIRE 304 240 304 96
WIRE 544 240 544 96
WIRE 192 320 192 96
WIRE 256 320 192 320
WIRE 432 320 432 176
WIRE 496 320 432 320
WIRE -288 400 -336 400
WIRE 304 400 304 336
WIRE 304 400 -208 400
WIRE 544 400 544 336
WIRE 544 400 304 400
WIRE -336 432 -336 400
FLAG -336 -160 0
FLAG -336 432 0
FLAG -208 96 A
IOPIN -208 96 In
FLAG 656 96 Y
IOPIN 656 96 Out
SYMBOL voltage -192 -192 R90
WINDOW 0 -32 56 VBottom 0
WINDOW 3 32 56 VTop 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 1
SYMBOL voltage -192 400 R90
WINDOW 0 -32 56 VBottom 0
WINDOW 3 32 56 VTop 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value -1
SYMBOL nmos 256 240 R0
SYMATTR InstName M3
SYMATTR Value N-ELOW
SYMBOL nmos 496 240 R0
SYMATTR InstName M4
SYMATTR Value N-ENH
SYMBOL pmos 256 64 M180
SYMATTR InstName M5
SYMATTR Value P-ENH
SYMBOL pmos 256 -64 M180
SYMATTR InstName M6
SYMATTR Value P-ELOW
SYMBOL .\\negative_threshold_inverter 0 48 R0
SYMATTR InstName U1
TEXT 360 -208 Left 0 !.inc ./custom.mos