Version 4
SHEET 1 1864 680
WIRE 112 0 -560 0
WIRE 176 0 112 0
WIRE 384 0 176 0
WIRE 464 0 384 0
WIRE 112 16 112 0
WIRE 384 16 384 0
WIRE 176 64 176 0
WIRE 176 64 112 64
WIRE 464 64 464 0
WIRE 464 64 384 64
WIRE 64 96 64 32
WIRE 64 96 16 96
WIRE 336 96 336 32
WIRE 336 96 256 96
WIRE 16 128 16 96
WIRE 256 128 256 96
WIRE 256 128 16 128
WIRE 112 208 112 112
WIRE 384 208 384 112
WIRE 384 208 112 208
WIRE 656 208 384 208
WIRE 704 208 656 208
WIRE -320 224 -416 224
WIRE -48 224 -240 224
WIRE 16 224 16 128
WIRE 16 224 -48 224
WIRE 112 240 112 208
WIRE -560 256 -560 0
WIRE -416 256 -416 224
WIRE 240 288 112 288
WIRE 656 304 656 208
WIRE 16 320 16 224
WIRE 64 320 16 320
WIRE 112 400 112 336
WIRE 240 448 240 288
WIRE 240 448 112 448
WIRE 16 480 16 320
WIRE 64 480 16 480
WIRE -560 560 -560 336
WIRE -416 560 -416 336
WIRE -416 560 -560 560
WIRE 112 560 112 496
WIRE 112 560 -416 560
WIRE 240 560 240 448
WIRE 240 560 112 560
WIRE 656 560 656 368
WIRE 656 560 240 560
WIRE 112 592 112 560
FLAG 112 592 0
FLAG -48 224 Ue
FLAG 704 208 Ua
SYMBOL voltage -416 240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 3.3v 5n 100p 100p 20n 45n 1)
SYMBOL voltage -560 240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 3.3v
SYMBOL cap 640 304 R0
SYMATTR InstName C1
SYMATTR Value 20f
SYMBOL res -336 240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 20k
SYMBOL nmos4 64 240 R0
SYMATTR InstName M5
SYMATTR Value TestN
SYMATTR Value2 ad=25p as=25p pd=20u ps=20u
SYMBOL pmos4 64 112 M180
SYMATTR InstName M1
SYMATTR Value TestP
SYMATTR Value2 l=3u w=3u ad=47.5p as=47.5p pd=29u
SYMBOL pmos4 336 112 M180
SYMATTR InstName M2
SYMATTR Value TestP
SYMATTR Value2 l=3u w=3u ad=47.5p as=47.5p pd=29u
SYMBOL nmos4 64 400 R0
SYMATTR InstName M3
SYMATTR Value TestN
SYMATTR Value2 l=3u w=3u ad=25p as=25p pd=20u ps=20u
TEXT 486 120 Left 2 !.tran 0 45n 0 0.005n
TEXT 480 16 Left 2 !.model TestN NMOS (KP=30u  VT0=1  LAMBDA=0.02 GAMMA=0.5 PHI=0.6 Rd=0 Rs=0 Rg=0 Is=1e-14)
TEXT 480 48 Left 2 !.model TestP pmos  (KP=12u  VT0=-1  LAMBDA=0.333 GAMMA=0.5 PHI=0.6 Rd=0 Rs=0 Rg=0 Is=1e-14)