Version 4 SHEET 1 1032 680 WIRE 208 64 208 16 WIRE 320 96 320 64 WIRE 416 96 416 64 WIRE 528 96 528 64 WIRE 208 192 208 160 WIRE 208 192 96 192 WIRE 48 272 -16 272 WIRE 96 288 96 272 WIRE 208 304 208 288 WIRE 256 304 208 304 WIRE 96 320 96 288 WIRE 208 320 208 304 WIRE 160 400 -16 400 WIRE 208 448 208 416 FLAG 208 448 0 FLAG 96 320 0 FLAG 208 16 Vcc IOPIN 208 16 In FLAG -16 272 A IOPIN -16 272 In FLAG -16 400 B IOPIN -16 400 In FLAG 256 304 Y IOPIN 256 304 Out FLAG 320 -16 Vcc IOPIN 320 -16 In FLAG 416 -16 A IOPIN 416 -16 In FLAG 528 -16 B IOPIN 528 -16 In FLAG 320 96 0 FLAG 416 96 0 FLAG 528 96 0 SYMBOL memristor1 208 112 R0 SYMATTR InstName U1 SYMBOL memristor1 208 240 R0 SYMATTR InstName U2 SYMBOL nmos 48 192 R0 SYMATTR InstName M1 SYMBOL nmos 160 320 R0 SYMATTR InstName M2 SYMBOL voltage 320 -32 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL voltage 416 -32 R0 WINDOW 3 -111 172 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value PULSE(0 5 20m 1n 1n 20m 40m) SYMBOL voltage 528 -32 R0 WINDOW 3 -221 199 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V3 SYMATTR Value PULSE(0 5 10m 1n 1n 10m 20m) TEXT -90 476 Left 2 !.tran 40