Version 4
SHEET 1 2548 680
WIRE 1168 -272 1168 -304
WIRE 1168 -256 1168 -272
WIRE 1168 0 1168 -16
WIRE 1216 -144 1168 -144
WIRE 1216 -16 1168 -16
WIRE 1296 -240 1264 -240
WIRE 1328 -240 1296 -240
WIRE 1328 -96 1328 -128
WIRE 1376 -208 1376 -224
WIRE 1376 -96 1328 -96
WIRE 1376 -96 1376 -112
WIRE 1376 -80 1376 -96
WIRE 1376 -48 1376 -80
WIRE 1376 80 1376 48
WIRE 1520 -80 1376 -80
WIRE 1552 -80 1520 -80
WIRE 1600 -192 1600 -208
WIRE 1600 -16 1600 -64
WIRE 1904 -192 1600 -160
WIRE 1904 -192 1904 -208
WIRE 1904 -160 1600 -192
WIRE 1904 -16 1904 -64
WIRE 1968 -80 1952 -80
WIRE 2128 -208 2128 -224
WIRE 2128 -96 2128 -112
WIRE 2128 -80 1968 -80
WIRE 2128 -80 2128 -96
WIRE 2128 -48 2128 -80
WIRE 2128 80 2128 48
WIRE 2176 -96 2128 -96
WIRE 2176 -96 2176 -128
WIRE 2208 -240 2176 -240
WIRE 2240 -240 2208 -240
FLAG 1168 -176 0
FLAG 1168 -272 VDD
FLAG 1376 0 0
FLAG 1376 80 0
FLAG 912 -208 VDD
FLAG 912 144 0
FLAG 1056 -144 Vbias1
FLAG 1056 -112 Vhigh
FLAG 1056 -80 Vbias2
FLAG 1056 16 Vbias3
FLAG 1056 -48 Vpcas
FLAG 1056 -16 Vncas
FLAG 1056 80 Vbias4
FLAG 1056 48 Vlow
FLAG 1328 32 Vbias4
FLAG 1600 -256 0
FLAG 1904 -256 0
FLAG 1168 -64 0
FLAG 1168 80 0
FLAG 1376 -272 0
FLAG 1376 -320 VDD
FLAG 1296 -240 VI1
FLAG 2128 0 0
FLAG 2128 80 0
FLAG 2176 32 Vbias4
FLAG 2128 -272 0
FLAG 2128 -320 VDD
FLAG 2208 -240 VI2
FLAG 1600 -304 VDD
FLAG 1904 -304 VDD
FLAG 1600 -16 0
FLAG 1904 -16 0
FLAG 1216 -144 VI1
FLAG 1216 -16 VI2
FLAG 1520 -80 N1
FLAG 1968 -80 N2
FLAG 1552 -224 VI1
FLAG 1952 -224 VI2
FLAG 1376 -160 VDD
FLAG 1600 -112 VDD
FLAG 1904 -112 VDD
FLAG 2128 -160 VDD
SYMBOL voltage 1168 -272 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 42 61 Left 0
SYMATTR Value 5
SYMATTR InstName VDD
SYMBOL nmos4 1328 -48 R0
WINDOW 123 56 100 Left 0
WINDOW 0 69 31 Left 0
SYMATTR Value2 l=2u w=10u
SYMATTR InstName MISSL
SYMATTR Value N_1u
SYMBOL Fig_20_43 912 -32 R0
SYMATTR InstName U1
SYMBOL nmos4 1552 -304 R0
WINDOW 123 56 100 Left 0
WINDOW 0 69 31 Left 0
SYMATTR Value2 l=2u w=10u
SYMATTR InstName M1
SYMATTR Value N_1u
SYMBOL nmos4 1952 -304 M0
WINDOW 123 56 100 Left 0
WINDOW 0 69 31 Left 0
SYMATTR Value2 l=2u w=10u
SYMATTR InstName M2
SYMATTR Value N_1u
SYMBOL voltage 1168 -16 R0
WINDOW 0 37 39 Left 0
WINDOW 3 44 69 Left 0
SYMATTR InstName VI2
SYMATTR Value 3.5
SYMBOL voltage 1168 -160 R0
WINDOW 0 38 44 Left 0
WINDOW 3 45 78 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VI1
SYMATTR Value 3.5
SYMBOL pmos4 1552 -160 R0
WINDOW 123 58 102 Left 0
WINDOW 0 56 16 Left 0
SYMATTR Value2 l=2u w=30u
SYMATTR InstName M4
SYMATTR Value P_1u
SYMBOL pmos4 1952 -160 M0
WINDOW 123 58 102 Left 0
WINDOW 0 56 16 Left 0
SYMATTR Value2 l=2u w=30u
SYMATTR InstName M3
SYMATTR Value P_1u
SYMBOL pmos4 1328 -208 R0
WINDOW 123 58 102 Left 0
WINDOW 0 56 16 Left 0
SYMATTR Value2 l=2u w=30u
SYMATTR InstName M41
SYMATTR Value P_1u
SYMBOL nmos4 1328 -320 R0
WINDOW 123 56 100 Left 0
WINDOW 0 69 31 Left 0
SYMATTR Value2 l=2u w=10u
SYMATTR InstName M11
SYMATTR Value N_1u
SYMBOL nmos4 2176 -48 M0
WINDOW 123 56 100 Left 0
WINDOW 0 69 31 Left 0
SYMATTR Value2 l=2u w=10u
SYMATTR InstName MISSR
SYMATTR Value N_1u
SYMBOL pmos4 2176 -208 M0
WINDOW 123 58 102 Left 0
WINDOW 0 56 16 Left 0
SYMATTR Value2 l=2u w=30u
SYMATTR InstName M31
SYMATTR Value P_1u
SYMBOL nmos4 2176 -320 M0
WINDOW 123 56 100 Left 0
WINDOW 0 69 31 Left 0
SYMATTR Value2 l=2u w=10u
SYMATTR InstName M21
SYMATTR Value N_1u
TEXT 1584 72 Left 0 !.lib cmosedu_models.txt
TEXT 1624 -352 Left 0 ;Plot Id(M1) and Id(M2)
TEXT 1584 48 Left 0 !.DC VI1 3 4 1m