Version 4
SHEET 1 1580 680
WIRE 448 -208 448 -240
WIRE 448 -192 448 -208
WIRE 1200 -368 1152 -368
WIRE 1200 -240 1152 -240
WIRE 1200 -48 1152 -48
WIRE 1200 144 1152 144
WIRE 1248 -320 1248 -352
WIRE 1248 -176 1248 -224
WIRE 1248 -128 1248 -176
WIRE 1248 64 1248 -32
WIRE 1248 192 1248 160
WIRE 1424 -176 1248 -176
WIRE 1424 -144 1424 -176
WIRE 1424 -48 1424 -64
FLAG 448 -112 0
FLAG 448 -208 VDD
FLAG 1248 112 0
FLAG 1248 192 0
FLAG 1424 -48 0
FLAG 1248 -80 0
FLAG 1248 -448 VDD
FLAG 1248 -400 VDD
FLAG 1248 -272 VDD
FLAG 1152 -368 Vbias1
FLAG 1152 -240 Vbias2
FLAG 1152 -48 Vbias3
FLAG 1152 144 Vbias4
FLAG 800 -240 VDD
FLAG 800 112 0
FLAG 944 -176 Vbias1
FLAG 944 -144 Vhigh
FLAG 944 -112 Vbias2
FLAG 944 -16 Vbias3
FLAG 944 -80 Vpcas
FLAG 944 -48 Vncas
FLAG 944 48 Vbias4
FLAG 944 16 Vlow
SYMBOL voltage 448 -208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VDD
SYMATTR Value 1
SYMBOL nmos4 1200 64 R0
WINDOW 123 56 100 Left 0
SYMATTR Value2 l=100n w=2.5u
SYMATTR InstName M2
SYMATTR Value N_50n
SYMBOL voltage 1424 -160 R0
SYMATTR InstName Vo
SYMATTR Value 0
SYMBOL nmos4 1200 -128 R0
WINDOW 123 56 100 Left 0
SYMATTR Value2 l=100n w=2.5u
SYMATTR InstName MN
SYMATTR Value N_50n
SYMBOL pmos4 1200 -448 R0
WINDOW 123 58 102 Left 0
WINDOW 0 56 16 Left 0
SYMATTR Value2 l=100n w=5u
SYMATTR InstName M6b
SYMATTR Value P_50n
SYMBOL pmos4 1200 -320 R0
WINDOW 123 58 102 Left 0
WINDOW 0 56 16 Left 0
SYMATTR Value2 l=100n w=5u
SYMATTR InstName MP
SYMATTR Value P_50n
SYMBOL Fig_20_47 800 -64 R0
SYMATTR InstName U1
TEXT 384 -16 Left 0 !.lib cmosedu_models.txt
TEXT 488 -296 Left 0 ;Plot Id(MN) and Id(MP)
TEXT 384 -40 Left 0 !.dc Vo 0 1 1m