* SPICE netlist
V1 N001 0 PULSE(0 2.8 0 10p 10p 17u 34u)
V3 Vdd 0 20
R1 N007 0 10k tol=1 pwr=0.0625
R3 N008 0 10k tol=1 pwr=0.0625
R4 N006 VC_DARL_P 5.6k tol=1 pwr=0.0625
D1 N002 N001 1N4148
D2 N001 N004 1N4148
R5 N002 N001 1.2k tol=5
R6 N004 N001 1.2k tol=5
C3 N002 0 2n
C4 N004 0 2n
A1 N002 0 0 0 0 N003 0 0 SCHMITT Vhigh=2.8 Vt=1.285 Vh=0.415 Trise=.1u Tfall=.1u
A2 N004 0 0 0 0 VDN 0 0 SCHMITT Vhigh=2.8 Vt=1.285 Vh=0.415 Trise=.1u Tfall=.1u
A3 N003 0 0 0 0 VDP 0 0 BUF Vhigh=2.8
CLOAD VOUTP VOUTN 30n
Q3 VC_DARL_N N010 N008 0 2N2222
R8 N009 VDP 15k tol=1 pwr=0.0625
R11 VOUTP VOUTN 1000
Q1 VC_DARL_P N009 N007 0 2N2222
Q2 VOUTP N006 Vdd 0 2N2907
Q5 VOUTN N005 Vdd 0 2N2907
Q6 VOUTP N008 0 0 2N2222
Q7 VOUTN N007 0 0 2N2222
R12 VDN N010 15k tol=1 pwr=0.0625
R9 Vdd N005 3.3k tol=1 pwr=0.0625
R15 Vdd N006 3.3k tol=1 pwr=0.0625
R2 N005 VC_DARL_N 5.6k tol=1 pwr=0.0625
C1 N005 VC_DARL_N 470p
C2 N006 VC_DARL_P 470p
C6 N006 VOUTP 15p
C5 VOUTN N005 15p
C7 VOUTN N007 15p
C8 N008 VOUTP 15p
.tran 0 200u 0 20n

* LTspice schematic (.asc)
Version 4
SHEET 1 2448 1504
WIRE -840 -736 -904 -736
WIRE -680 -736 -760 -736
WIRE -904 -640 -904 -736
WIRE -840 -640 -904 -640
WIRE -680 -640 -680 -736
WIRE -680 -640 -776 -640
WIRE -568 -640 -680 -640
WIRE -440 -640 -568 -640
WIRE -264 -640 -376 -640
WIRE -88 -640 -200 -640
WIRE -56 -640 -88 -640
WIRE -904 -576 -904 -640
WIRE -904 -576 -1224 -576
WIRE -1224 -544 -1224 -576
WIRE -568 -544 -568 -576
WIRE -904 -480 -904 -576
WIRE -840 -480 -904 -480
WIRE -680 -480 -776 -480
WIRE -568 -480 -680 -480
WIRE -440 -480 -568 -480
WIRE -88 -480 -376 -480
WIRE -56 -480 -88 -480
WIRE -1224 -432 -1224 -464
WIRE -904 -384 -904 -480
WIRE -840 -384 -904 -384
WIRE -680 -384 -680 -480
WIRE -680 -384 -760 -384
WIRE -568 -368 -568 -416
WIRE 120 -128 -56 -128
WIRE 552 -128 120 -128
WIRE 712 -128 552 -128
WIRE 888 -128 712 -128
WIRE 1080 -128 888 -128
WIRE -56 -80 -56 -128
WIRE 712 -80 712 -128
WIRE 120 -48 120 -128
WIRE 552 -48 552 -128
WIRE 1080 -32 1080 -128
WIRE 24 0 -56 0
WIRE 56 0 24 0
WIRE 664 0 616 0
WIRE 712 0 664 0
WIRE -56 64 -56 0
WIRE -56 64 -152 64
WIRE 24 64 24 0
WIRE 120 64 120 48
WIRE 120 64 88 64
WIRE 552 64 552 48
WIRE 600 64 552 64
WIRE 664 64 664 0
WIRE 712 64 712 0
WIRE 824 64 712 64
WIRE 552 80 552 64
WIRE -152 96 -152 64
WIRE -56 96 -56 64
WIRE 280 96 232 96
WIRE 424 96 360 96
WIRE 712 96 712 64
WIRE 1080 96 1080 48
WIRE 824 112 824 64
WIRE 120 160 120 64
WIRE 168 160 120 160
WIRE 232 160 232 96
WIRE 232 160 168 160
WIRE 424 160 424 96
WIRE 552 160 552 80
WIRE 552 160 424 160
WIRE -152 224 -152 160
WIRE -56 224 -56 176
WIRE -56 224 -152 224
WIRE 232 224 232 160
WIRE 296 224 232 224
WIRE 424 224 424 160
WIRE 424 224 360 224
WIRE 712 224 712 176
WIRE 824 224 824 176
WIRE 824 224 712 224
WIRE 712 240 712 224
WIRE 712 240 648 240
WIRE -56 288 -56 224
WIRE 472 288 -56 288
WIRE 728 288 472 288
WIRE 40 384 -40 384
WIRE 648 384 648 240
WIRE 648 384 40 384
WIRE -40 464 -40 384
WIRE 728 464 728 288
WIRE 40 480 -8 480
WIRE 120 480 120 160
WIRE 120 480 104 480
WIRE 552 496 552 160
WIRE 584 496 552 496
WIRE 680 496 648 496
WIRE -408 512 -504 512
WIRE -296 512 -408 512
WIRE -104 512 -216 512
WIRE 904 512 792 512
WIRE 1144 512 984 512
WIRE 1224 512 1144 512
WIRE 120 560 120 480
WIRE 552 560 552 496
WIRE -40 608 -40 560
WIRE -8 608 -8 480
WIRE -8 608 -40 608
WIRE 56 608 -8 608
WIRE 680 608 680 496
WIRE 680 608 616 608
WIRE 728 608 728 560
WIRE 728 608 680 608
WIRE -40 720 -40 688
WIRE 120 720 120 656
WIRE 120 720 -40 720
WIRE 360 720 120 720
WIRE 552 720 552 656
WIRE 552 720 360 720
WIRE 728 720 728 688
WIRE 728 720 552 720
WIRE 360 752 360 720
FLAG 1080 96 0
FLAG 360 752 0
FLAG 888 -128 Vdd
FLAG -408 512 VDP
FLAG 1144 512 VDN
FLAG 552 80 VOUTP
FLAG 168 160 VOUTN
FLAG -568 -544 0
FLAG -568 -368 0
FLAG -1224 -432 0
FLAG -88 -640 VDP
FLAG -88 -480 VDN
FLAG 40 384 VC_DARL_P
FLAG 472 288 VC_DARL_N
SYMBOL voltage -1224 -560 R0
SYMATTR InstName V1
SYMATTR Value PULSE(0 2.8 0 10p 10p 17u 34u)
SYMBOL voltage 1080 -48 R0
SYMATTR InstName V3
SYMATTR Value 20
SYMBOL res -56 592 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMATTR SpiceLine tol=1 pwr=0.0625
SYMBOL res 712 592 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMATTR SpiceLine tol=1 pwr=0.0625
SYMBOL res 696 80 R0
SYMATTR InstName R4
SYMATTR Value 5.6k
SYMATTR SpiceLine tol=1 pwr=0.0625
SYMBOL diode -776 -656 R90
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode -840 -464 R270
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL res -744 -752 R90
SYMATTR InstName R5
SYMATTR Value 1.2k
SYMATTR SpiceLine tol=5
SYMBOL res -744 -400 R90
SYMATTR InstName R6
SYMATTR Value 1.2k
SYMATTR SpiceLine tol=5
SYMBOL cap -584 -640 R0
SYMATTR InstName C3
SYMATTR Value 2n
SYMBOL cap -584 -480 R0
SYMATTR InstName C4
SYMATTR Value 2n
SYMBOL Digital\\schmtinv -440 -704 R0
SYMATTR Value Vhigh=2.8 Vt=1.285 Vh=0.415 Trise=.1u Tfall=.1u
SYMATTR InstName A1
SYMBOL Digital\\schmtinv -440 -544 R0
SYMATTR Value Vhigh=2.8 Vt=1.285 Vh=0.415 Trise=.1u Tfall=.1u
SYMATTR InstName A2
SYMBOL Digital\\inv -264 -704 R0
SYMATTR Value Vhigh=2.8
SYMATTR InstName A3
SYMBOL cap 360 208 R90
SYMATTR InstName CLOAD
SYMATTR Value 30n
SYMBOL npn 792 464 M0
SYMATTR InstName Q3
SYMATTR Value 2N2222
SYMBOL res -200 496 R90
SYMATTR InstName R8
SYMATTR Value 15k
SYMATTR SpiceLine tol=1 pwr=0.0625
SYMBOL res 376 80 R90
SYMATTR InstName R11
SYMATTR Value 1000
SYMBOL npn -104 464 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL pnp 616 48 R180
SYMATTR InstName Q2
SYMATTR Value 2N2907
SYMBOL pnp 56 48 M180
SYMATTR InstName Q5
SYMATTR Value 2N2907
SYMBOL npn 616 560 M0
SYMATTR InstName Q6
SYMATTR Value 2N2222
SYMBOL npn 56 560 R0
SYMATTR InstName Q7
SYMATTR Value 2N2222
SYMBOL res 1000 496 R90
SYMATTR InstName R12
SYMATTR Value 15k
SYMATTR SpiceLine tol=1 pwr=0.0625
SYMBOL res -72 -96 R0
SYMATTR InstName R9
SYMATTR Value 3.3k
SYMATTR SpiceLine tol=1 pwr=0.0625
SYMBOL res 696 -96 R0
SYMATTR InstName R15
SYMATTR Value 3.3k
SYMATTR SpiceLine tol=1 pwr=0.0625
SYMBOL res -72 80 R0
SYMATTR InstName R2
SYMATTR Value 5.6k
SYMATTR SpiceLine tol=1 pwr=0.0625
SYMBOL cap -168 96 R0
SYMATTR InstName C1
SYMATTR Value 470p
SYMBOL cap 808 112 R0
SYMATTR InstName C2
SYMATTR Value 470p
SYMBOL cap 664 48 R90
SYMATTR InstName C6
SYMATTR Value 15p
SYMBOL cap 88 48 R90
SYMATTR InstName C5
SYMATTR Value 15p
SYMBOL cap 104 464 R90
SYMATTR InstName C7
SYMATTR Value 15p
SYMBOL cap 648 480 R90
SYMATTR InstName C8
SYMATTR Value 15p