Version 4 SHEET 1 1752 680 WIRE 896 -176 880 -176 WIRE 928 -176 896 -176 WIRE 928 -144 928 -176 WIRE 880 -128 880 -176 WIRE 208 -80 192 -80 WIRE 512 -80 208 -80 WIRE 576 -80 512 -80 WIRE 880 -80 832 -80 WIRE 192 -48 192 -80 WIRE 928 -48 928 -64 WIRE 208 0 208 -80 WIRE 208 0 192 0 WIRE 144 32 128 32 WIRE 576 48 576 -80 WIRE 832 48 832 -80 WIRE 832 48 768 48 WIRE 928 48 928 32 WIRE 1136 48 928 48 WIRE 1232 48 1136 48 WIRE 928 64 928 48 WIRE 32 96 -272 96 WIRE 128 96 128 32 WIRE 128 96 32 96 WIRE 192 96 192 48 WIRE 400 96 192 96 WIRE 416 96 400 96 WIRE 1232 112 1232 48 WIRE 192 144 192 96 WIRE 416 160 416 96 WIRE 928 160 928 144 WIRE -272 176 -272 96 WIRE 832 176 832 48 WIRE 880 176 832 176 WIRE 208 192 192 192 WIRE 128 224 128 96 WIRE 144 224 128 224 WIRE -272 272 -272 256 WIRE 192 272 192 240 WIRE 192 272 -272 272 WIRE 208 272 208 192 WIRE 208 272 192 272 WIRE 416 272 416 224 WIRE 416 272 208 272 WIRE 544 272 416 272 WIRE 576 272 576 128 WIRE 576 272 544 272 WIRE 880 272 880 224 WIRE 928 272 928 240 WIRE 928 272 880 272 WIRE 1088 272 928 272 WIRE 1232 272 1232 176 WIRE 1232 272 1088 272 WIRE 544 288 544 272 WIRE 1088 288 1088 272 FLAG 544 288 0 FLAG 400 96 out FLAG 32 96 in FLAG 512 -80 vdd FLAG 896 -176 vdd FLAG 768 48 in FLAG 1136 48 outR FLAG 1088 288 0 SYMBOL cap 400 160 R0 SYMATTR InstName C1 SYMATTR Value 10f SYMBOL nmos4 144 144 R0 WINDOW 123 56 100 Left 2 SYMATTR Value2 l=0.13u w=0.195u SYMATTR InstName M1 SYMBOL pmos4 144 -48 R0 WINDOW 123 57 97 Left 2 SYMATTR Value2 l=0.13u w=0.39u SYMATTR InstName M2 SYMBOL voltage 576 32 R0 SYMATTR InstName Vdd SYMATTR Value 1.2 SYMBOL voltage -272 160 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName Vin SYMATTR Value PULSE(0 1.2 0 10p 10p 500p 1000p) SYMBOL sw 928 256 M180 SYMATTR InstName S1 SYMATTR Value mos-sw SYMBOL sw 928 -48 M180 SYMATTR InstName S2 SYMATTR Value mos-sw SYMBOL res 912 48 R0 SYMATTR InstName R1 SYMATTR Value 4544 SYMBOL res 912 -64 R0 SYMATTR InstName R2 SYMATTR Value 8873 SYMBOL cap 1216 112 R0 SYMATTR InstName C2 SYMATTR Value 10f TEXT 120 304 Left 2 !.model nmos nmos(kp=430u vt0=0.4) TEXT 120 328 Left 2 !.model pmos pmos(kp=107.5u vt0=-0.4) TEXT -272 312 Left 2 !.tran 2n TEXT -224 432 Left 2 !.meas tran trise trig v(out) val=0.1*v(vdd) rise=1 targ v(out) val=0.9*v(vdd) rise=1\n.meas tran tfall trig v(out) val=0.9*v(vdd) fall=2 targ v(out) val=0.1*v(vdd) fall=2\n.meas tran tplh trig v(in) val=0.5*v(vdd) fall=1 targ v(out) val=0.5*v(vdd) rise=1\n.meas tran tphl trig v(in) val=0.5*v(vdd) rise=2 targ v(out) val=0.5*v(vdd) fall=2 TEXT 872 344 Left 2 !.model mos-sw sw(vt=0.6) TEXT 800 424 Left 2 !.meas tran triseR trig v(outR) val=0.1*v(vdd) rise=1 targ v(outR) val=0.9*v(vdd) rise=1\n.meas tran tfallR trig v(outR) val=0.9*v(vdd) fall=2 targ v(outR) val=0.1*v(vdd) fall=2\n.meas tran tplhR trig v(in) val=0.5*v(vdd) fall=1 targ v(outR) val=0.5*v(vdd) rise=1\n.meas tran tphlR trig v(in) val=0.5*v(vdd) rise=2 targ v(outR) val=0.5*v(vdd) fall=2 TEXT 1096 -160 Left 2 !* Resistances required to match times:\n* rise/fall 5657 2835\n* delays 8873 4544