Version 4 SHEET 1 880 680 WIRE 80 144 48 144 WIRE 336 144 304 144 FLAG 48 144 A IOPIN 48 144 In FLAG 336 144 Y IOPIN 336 144 Out SYMBOL .\\standard_inverter 128 96 R0 SYMATTR InstName X1 SYMBOL .\\standard_inverter 240 96 R0 SYMATTR InstName X2