Version 4
SHEET 1 6308 700
WIRE 2144 -304 2128 -304
WIRE 1984 -240 1968 -240
WIRE 2000 -240 1984 -240
WIRE 1984 -224 1984 -240
WIRE 2176 -224 2096 -224
WIRE 2096 -192 2096 -224
WIRE 1984 -176 1984 -192
WIRE 1984 -176 1968 -176
WIRE 2000 -176 1984 -176
WIRE 1984 -160 1968 -176
WIRE 1984 -160 2000 -176
FLAG 1984 -240 Vdd
IOPIN 1984 -240 BiDir
FLAG 2176 -224 Out
IOPIN 2176 -224 Out
FLAG 1984 -176 Vss
IOPIN 1984 -176 BiDir
FLAG 2128 -304 IN
IOPIN 2128 -304 In
FLAG 2096 -112 0
SYMBOL bv 2096 -208 R0
SYMATTR InstName B1
SYMATTR Value V=v(in)>v(vdd)/2?v(vss):v(vdd)