Version 4
SHEET 1 1444 680
WIRE 304 -192 -160 -192
WIRE 480 -192 416 -192
WIRE 480 -176 480 -192
WIRE -160 -160 -160 -192
WIRE 416 -64 416 -192
WIRE 448 -64 416 -64
WIRE 480 -64 480 -96
WIRE 304 -48 304 -192
WIRE 336 -48 304 -48
WIRE 368 -48 336 -48
WIRE -160 -32 -160 -80
WIRE 144 -32 -16 -32
WIRE 448 -16 448 -64
WIRE 448 -16 416 -16
WIRE -16 0 -16 -32
WIRE 416 64 416 32
WIRE 448 64 416 64
WIRE 144 80 144 -32
WIRE 176 80 144 80
WIRE 368 80 336 80
WIRE 416 80 416 64
WIRE -16 96 -16 80
WIRE 144 112 144 80
WIRE 448 112 448 64
WIRE 448 112 416 112
WIRE 96 128 -64 128
WIRE 176 160 176 80
WIRE 176 160 144 160
WIRE 336 224 336 80
WIRE 336 224 256 224
WIRE 416 256 416 160
WIRE 416 256 352 256
WIRE 544 256 416 256
WIRE -112 272 -256 272
WIRE -64 272 -64 128
WIRE -64 272 -112 272
WIRE 144 272 144 208
WIRE 256 272 256 224
WIRE 256 272 144 272
WIRE -256 304 -256 272
WIRE 304 304 304 -48
WIRE 464 304 304 304
WIRE 144 320 144 272
WIRE 352 336 352 256
WIRE 544 336 544 256
WIRE 192 368 144 368
WIRE 384 384 352 384
WIRE 592 384 544 384
WIRE -64 400 -64 272
WIRE 96 400 -64 400
WIRE 176 416 144 416
WIRE 192 416 192 368
WIRE 192 416 176 416
WIRE 256 416 256 272
WIRE 304 416 256 416
WIRE 464 416 464 304
WIRE 496 416 464 416
WIRE -256 432 -256 384
WIRE 384 432 384 384
WIRE 384 432 352 432
WIRE 544 448 544 432
WIRE 592 448 592 384
WIRE 592 448 544 448
WIRE 176 464 176 416
WIRE 352 480 352 432
WIRE 448 480 352 480
WIRE 544 480 544 448
WIRE 544 480 448 480
WIRE 448 544 448 480
FLAG -16 96 0
FLAG 448 544 0
FLAG 480 -64 0
FLAG 176 464 0
FLAG -256 432 0
FLAG -160 -32 0
FLAG -112 272 A
FLAG 336 -48 B
SYMBOL voltage -16 -16 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage 480 -192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL voltage -256 288 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -247 109 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(5 0 0 0 0 3m 6m)
SYMBOL voltage -160 -176 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -247 109 Left 2
SYMATTR InstName V4
SYMATTR Value PULSE(5 0 0 0 0 2m 4m)
SYMBOL nmos4 96 320 R0
SYMATTR InstName M7
SYMBOL nmos4 304 336 R0
SYMATTR InstName M8
SYMBOL nmos4 496 336 R0
SYMATTR InstName M9
SYMBOL pmos4 96 208 M180
WINDOW 0 -58 17 Left 2
WINDOW 3 -71 44 Left 2
SYMATTR InstName M10
SYMBOL pmos4 368 32 M180
SYMATTR InstName M11
SYMBOL pmos4 368 160 M180
SYMATTR InstName M12
TEXT -504 568 Left 2 !.tran 12m