Version 4
SHEET 1 1744 1112
WIRE 1392 -176 496 -176
WIRE 0 -112 -176 -112
WIRE 352 -112 0 -112
WIRE 400 -112 352 -112
WIRE 672 -112 400 -112
WIRE 720 -112 672 -112
WIRE 1168 -112 720 -112
WIRE 1216 -112 1168 -112
WIRE 1488 -112 1216 -112
WIRE 1536 -112 1488 -112
WIRE 672 -64 672 -112
WIRE 1488 -64 1488 -112
WIRE 400 -48 400 -112
WIRE 1216 -48 1216 -112
WIRE 720 -16 720 -112
WIRE 720 -16 672 -16
WIRE 1536 -16 1536 -112
WIRE 1536 -16 1488 -16
WIRE -176 0 -176 -112
WIRE 352 0 352 -112
WIRE 400 0 352 0
WIRE 1168 0 1168 -112
WIRE 1216 0 1168 0
WIRE 496 16 496 -176
WIRE 624 16 496 16
WIRE 1392 16 1392 -176
WIRE 1440 16 1392 16
WIRE 496 32 496 16
WIRE 496 32 448 32
WIRE 1296 32 1264 32
WIRE 672 64 672 32
WIRE 816 64 672 64
WIRE 880 64 816 64
WIRE 1392 64 1392 16
WIRE 1488 64 1488 32
WIRE 1488 64 1392 64
WIRE 1216 80 1216 48
WIRE 1296 80 1296 32
WIRE 1296 80 1216 80
WIRE 400 96 400 48
WIRE 544 96 400 96
WIRE 976 96 544 96
WIRE 1120 96 1056 96
WIRE 672 112 672 64
WIRE 912 112 672 112
WIRE 768 128 64 128
WIRE 1120 128 1120 96
WIRE 672 160 672 112
WIRE 912 160 912 112
WIRE 976 160 912 160
WIRE 1120 160 1120 128
WIRE 1120 160 1056 160
WIRE 1488 160 1488 64
WIRE -176 176 -176 80
WIRE 400 176 400 96
WIRE 1216 176 1216 80
WIRE 672 208 624 208
WIRE 1488 208 1440 208
WIRE 448 224 400 224
WIRE 1264 224 1216 224
WIRE 768 240 768 128
WIRE 768 240 720 240
WIRE 1680 240 1536 240
WIRE 64 256 64 128
WIRE 352 256 64 256
WIRE 1120 256 1120 160
WIRE 1168 256 1120 256
WIRE 1680 256 1680 240
WIRE 64 304 64 256
WIRE 400 320 400 272
WIRE 448 320 448 224
WIRE 448 320 400 320
WIRE 528 320 448 320
WIRE 624 320 624 208
WIRE 624 320 528 320
WIRE 672 320 672 256
WIRE 672 320 624 320
WIRE 1216 320 1216 272
WIRE 1264 320 1264 224
WIRE 1264 320 1216 320
WIRE 1344 320 1264 320
WIRE 1440 320 1440 208
WIRE 1440 320 1344 320
WIRE 1488 320 1488 256
WIRE 1488 320 1440 320
WIRE -176 432 -176 176
WIRE 64 432 64 384
WIRE 64 432 -176 432
WIRE 528 432 528 400
WIRE 528 432 64 432
WIRE 1344 432 1344 400
WIRE 1344 432 528 432
WIRE 1680 432 1680 336
WIRE 1680 432 1344 432
FLAG 0 -112 vdd_5V
FLAG 816 64 v4
FLAG -176 176 0
FLAG 544 96 v3
FLAG 1120 128 cmfb
SYMBOL pmos4 624 -64 R0
SYMATTR InstName M4
SYMATTR Value P_1u
SYMATTR Value2 l=2u w=20u
SYMBOL pmos4 448 -48 M0
SYMATTR InstName M3
SYMATTR Value P_1u
SYMATTR Value2 l=2u w=20u
SYMBOL nmos4 720 160 M0
SYMATTR InstName M2
SYMATTR Value N_1u
SYMATTR Value2 l=1u w=50u
SYMBOL nmos4 352 176 R0
SYMATTR InstName M5
SYMATTR Value N_1u
SYMATTR Value2 l=1u w=50u
SYMBOL current 528 320 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I2
SYMATTR Value 150µ
SYMBOL voltage -176 -16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL voltage 64 288 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value 2.5
SYMBOL pmos4 1440 -64 R0
SYMATTR InstName M1
SYMATTR Value P_1u
SYMATTR Value2 l=2u w=20u
SYMBOL pmos4 1264 -48 M0
SYMATTR InstName M6
SYMATTR Value P_1u
SYMATTR Value2 l=2u w=20u
SYMBOL nmos4 1536 160 M0
SYMATTR InstName M7
SYMATTR Value N_1u
SYMATTR Value2 l=1u w=20u
SYMBOL nmos4 1168 176 R0
SYMATTR InstName M8
SYMATTR Value N_1u
SYMATTR Value2 l=1u w=20u
SYMBOL current 1344 320 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value 150µ
SYMBOL res 1072 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 20k
SYMBOL res 1072 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 20k
SYMBOL voltage 1680 240 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 2.5
TEXT -96 -176 Left 2 !.include cmosedu_models.txt
TEXT -210 442 Left 2 !.op