* SPICE netlist
M1 N024 D 0 N026 T15DN l=1u w=1u
M2 N018 D N024 N020 T15DP l=1u w=1u
V1 N001 0 5V
M3 N007 D N010 N008 T15DN l=1u w=1u
M4 N001 CLK N007 N004 T15DP l=1u w=1u
M5 N010 CLK 0 N012 T15DN l=1u w=1u
M6 N001 D N007 N003 T15DP l=1u w=1u
V5 N018 0 5V
V2 N002 0 5V
M7 Q N007 N011 N009 T15DN l=1u w=1u
M8 N002 QNot Q N006 T15DP l=1u w=1u
M9 N011 QNot 0 N013 T15DN l=1u w=1u
M10 N002 N007 Q N005 T15DP l=1u w=1u
V3 N019 0 5V
M11 N017 N024 N029 N028 T15DN l=1u w=1u
M12 N019 CLK N017 N022 T15DP l=1u w=1u
M13 N029 CLK 0 N030 T15DN l=1u w=1u
M14 N019 N024 N017 N021 T15DP l=1u w=1u
V4 N014 0 5V
M15 QNot Q N025 N023 T15DN l=1u w=1u
M16 N014 N017 QNot N016 T15DP l=1u w=1u
M17 N025 N017 0 N027 T15DN l=1u w=1u
M18 N014 Q QNot N015 T15DP l=1u w=1u
V7 D 0 PULSE(0 5V 0 1n 1n 100n 300n)
V6 CLK 0 5V
C4 D 0 10fC
C1 N007 0 10fC
C2 Q 0 10fC
C3 QNot 0 10fC
C5 N017 0 10fC
C6 N024 0 10fC
C7 CLK 0 10fC
.include T15D_models.txt
.tran 500n

* LTspice schematic (.asc)
Version 4
SHEET 1 1840 1392
WIRE 72 -696 -136 -696
WIRE 72 -680 72 -696
WIRE -136 -664 -136 -696
WIRE -136 -664 -216 -664
WIRE -56 -664 -136 -664
WIRE 728 -664 520 -664
WIRE -216 -648 -216 -664
WIRE -56 -648 -56 -664
WIRE 728 -648 728 -664
WIRE 520 -632 520 -664
WIRE 520 -632 440 -632
WIRE 600 -632 520 -632
WIRE 440 -616 440 -632
WIRE 600 -616 600 -632
WIRE -216 -600 -216 -632
WIRE -56 -600 -56 -632
WIRE 72 -584 72 -600
WIRE -264 -568 -296 -568
WIRE -104 -568 -120 -568
WIRE 440 -568 440 -600
WIRE 600 -568 600 -600
WIRE 728 -552 728 -568
WIRE 392 -536 360 -536
WIRE 552 -536 536 -536
WIRE -216 -520 -216 -552
WIRE -56 -520 -56 -552
WIRE -56 -520 -216 -520
WIRE 120 -520 -56 -520
WIRE 360 -520 360 -536
WIRE 360 -520 120 -520
WIRE -760 -504 -920 -504
WIRE -520 -504 -760 -504
WIRE -296 -504 -296 -568
WIRE -296 -504 -520 -504
WIRE -216 -504 -216 -520
WIRE 440 -488 440 -520
WIRE 600 -488 600 -520
WIRE 600 -488 440 -488
WIRE 664 -488 600 -488
WIRE -920 -472 -920 -504
WIRE -520 -472 -520 -504
WIRE 120 -472 120 -520
WIRE 440 -472 440 -488
WIRE -296 -424 -296 -504
WIRE -264 -424 -296 -424
WIRE -216 -424 -216 -456
WIRE 360 -392 360 -520
WIRE 392 -392 360 -392
WIRE 440 -392 440 -424
WIRE -520 -376 -520 -408
WIRE -120 -376 -120 -568
WIRE -120 -376 -296 -376
WIRE 120 -376 120 -408
WIRE -920 -360 -920 -392
WIRE -216 -360 -216 -408
WIRE 536 -344 536 -536
WIRE 536 -344 360 -344
WIRE -296 -328 -296 -376
WIRE -296 -328 -392 -328
WIRE 440 -328 440 -376
WIRE 664 -328 664 -488
WIRE 872 -328 664 -328
WIRE 920 -328 872 -328
WIRE 360 -296 360 -344
WIRE 360 -296 280 -296
WIRE 872 -296 872 -328
WIRE -296 -280 -296 -328
WIRE -264 -280 -296 -280
WIRE -216 -280 -216 -312
WIRE 360 -248 360 -296
WIRE 392 -248 360 -248
WIRE 440 -248 440 -280
WIRE -216 -232 -216 -264
WIRE 440 -200 440 -232
WIRE 872 -200 872 -232
WIRE 280 -152 280 -296
WIRE 824 -152 280 -152
WIRE 664 -88 664 -328
WIRE 664 -88 280 -88
WIRE 712 -24 504 -24
WIRE 712 -8 712 -24
WIRE 824 -8 824 -152
WIRE 872 -8 824 -8
WIRE 920 -8 872 -8
WIRE 504 8 504 -24
WIRE 504 8 424 8
WIRE 584 8 504 8
WIRE 424 24 424 8
WIRE 584 24 584 8
WIRE 872 24 872 -8
WIRE 424 72 424 40
WIRE 584 72 584 40
WIRE 712 88 712 72
WIRE 376 104 344 104
WIRE 536 104 520 104
WIRE -504 120 -632 120
WIRE 872 120 872 88
WIRE -504 136 -504 120
WIRE 40 136 -168 136
WIRE 40 152 40 136
WIRE 424 152 424 120
WIRE 584 152 584 120
WIRE 584 152 424 152
WIRE 824 152 824 -8
WIRE 824 152 584 152
WIRE -632 168 -632 120
WIRE -168 168 -168 136
WIRE -168 168 -248 168
WIRE -88 168 -168 168
WIRE 280 168 280 -88
WIRE 344 168 344 104
WIRE 344 168 280 168
WIRE 424 168 424 152
WIRE -248 184 -248 168
WIRE -88 184 -88 168
WIRE -632 216 -632 184
WIRE -504 232 -504 216
WIRE -248 232 -248 200
WIRE -88 232 -88 200
WIRE -680 248 -728 248
WIRE 40 248 40 232
WIRE 344 248 344 168
WIRE 376 248 344 248
WIRE 424 248 424 216
WIRE -296 264 -328 264
WIRE -136 264 -152 264
WIRE -632 296 -632 264
WIRE -488 296 -632 296
WIRE -328 296 -328 264
WIRE -328 296 -488 296
WIRE 520 296 520 104
WIRE 520 296 344 296
WIRE -760 312 -760 -504
WIRE -728 312 -728 248
WIRE -728 312 -760 312
WIRE -632 312 -632 296
WIRE -488 312 -488 296
WIRE -248 312 -248 280
WIRE -88 312 -88 280
WIRE -88 312 -248 312
WIRE 152 312 -88 312
WIRE 344 312 344 296
WIRE 344 312 152 312
WIRE 424 312 424 264
WIRE -248 328 -248 312
WIRE 152 344 152 312
WIRE -728 392 -728 312
WIRE -680 392 -728 392
WIRE -632 392 -632 360
WIRE 344 392 344 312
WIRE 376 392 344 392
WIRE 424 392 424 360
WIRE -488 408 -488 376
WIRE -328 408 -328 296
WIRE -296 408 -328 408
WIRE -248 408 -248 376
WIRE -632 440 -632 408
WIRE 152 440 152 408
WIRE 424 440 424 408
WIRE -152 456 -152 264
WIRE -152 456 -328 456
WIRE -248 472 -248 424
WIRE -488 520 -888 520
WIRE -392 520 -392 -328
WIRE -392 520 -488 520
WIRE -328 520 -328 456
WIRE -328 520 -392 520
WIRE -488 552 -488 520
WIRE -328 552 -328 520
WIRE -296 552 -328 552
WIRE -248 552 -248 520
WIRE -888 584 -888 520
WIRE -248 600 -248 568
WIRE -488 648 -488 616
WIRE -888 696 -888 664
FLAG -216 -232 0
FLAG 72 -584 0
FLAG -632 440 0
FLAG -504 232 0
FLAG 440 -200 0
FLAG 728 -552 0
FLAG -248 600 0
FLAG 40 248 0
FLAG 424 440 0
FLAG 712 88 0
FLAG -920 -360 0
FLAG -888 696 0
FLAG -920 -504 D
FLAG -888 520 CLK
FLAG 920 -328 Q
FLAG 920 -8 QNot
FLAG -520 -376 0
FLAG 120 -376 0
FLAG 872 -200 0
FLAG 872 120 0
FLAG 152 440 0
FLAG -488 408 0
FLAG -488 648 0
SYMBOL nmos4 -680 312 R0
SYMATTR InstName M1
SYMATTR Value T15DN
SYMATTR Value2 l=1u w=1u
SYMBOL pmos4 -680 168 R0
SYMATTR InstName M2
SYMATTR Value T15DP
SYMATTR Value2 l=1u w=1u
SYMBOL voltage 72 -696 R0
SYMATTR InstName V1
SYMATTR Value 5V
SYMBOL nmos4 -264 -504 R0
SYMATTR InstName M3
SYMATTR Value T15DN
SYMATTR Value2 l=1u w=1u
SYMBOL pmos4 -104 -648 R0
SYMATTR InstName M4
SYMATTR Value T15DP
SYMATTR Value2 l=1u w=1u
SYMBOL nmos4 -264 -360 R0
SYMATTR InstName M5
SYMATTR Value T15DN
SYMATTR Value2 l=1u w=1u
SYMBOL pmos4 -264 -648 R0
SYMATTR InstName M6
SYMATTR Value T15DP
SYMATTR Value2 l=1u w=1u
SYMBOL voltage -504 120 R0
SYMATTR InstName V5
SYMATTR Value 5V
SYMBOL voltage 728 -664 R0
SYMATTR InstName V2
SYMATTR Value 5V
SYMBOL nmos4 392 -472 R0
SYMATTR InstName M7
SYMATTR Value T15DN
SYMATTR Value2 l=1u w=1u
SYMBOL pmos4 552 -616 R0
SYMATTR InstName M8
SYMATTR Value T15DP
SYMATTR Value2 l=1u w=1u
SYMBOL nmos4 392 -328 R0
SYMATTR InstName M9
SYMATTR Value T15DN
SYMATTR Value2 l=1u w=1u
SYMBOL pmos4 392 -616 R0
SYMATTR InstName M10
SYMATTR Value T15DP
SYMATTR Value2 l=1u w=1u
SYMBOL voltage 40 136 R0
SYMATTR InstName V3
SYMATTR Value 5V
SYMBOL nmos4 -296 328 R0
SYMATTR InstName M11
SYMATTR Value T15DN
SYMATTR Value2 l=1u w=1u
SYMBOL pmos4 -136 184 R0
SYMATTR InstName M12
SYMATTR Value T15DP
SYMATTR Value2 l=1u w=1u
SYMBOL nmos4 -296 472 R0
SYMATTR InstName M13
SYMATTR Value T15DN
SYMATTR Value2 l=1u w=1u
SYMBOL pmos4 -296 184 R0
SYMATTR InstName M14
SYMATTR Value T15DP
SYMATTR Value2 l=1u w=1u
SYMBOL voltage 712 -24 R0
SYMATTR InstName V4
SYMATTR Value 5V
SYMBOL nmos4 376 168 R0
SYMATTR InstName M15
SYMATTR Value T15DN
SYMATTR Value2 l=1u w=1u
SYMBOL pmos4 536 24 R0
SYMATTR InstName M16
SYMATTR Value T15DP
SYMATTR Value2 l=1u w=1u
SYMBOL nmos4 376 312 R0
SYMATTR InstName M17
SYMATTR Value T15DN
SYMATTR Value2 l=1u w=1u
SYMBOL pmos4 376 24 R0
SYMATTR InstName M18
SYMATTR Value T15DP
SYMATTR Value2 l=1u w=1u
SYMBOL voltage -920 -488 R0
SYMATTR InstName V7
SYMATTR Value PULSE(0 5V 0 1n 1n 100n 300n)
SYMBOL voltage -888 568 R0
SYMATTR InstName V6
SYMATTR Value 5V
SYMBOL cap -536 -472 R0
SYMATTR InstName C4
SYMATTR Value 10fC
SYMBOL cap 104 -472 R0
SYMATTR InstName C1
SYMATTR Value 10fC
SYMBOL cap 856 -296 R0
SYMATTR InstName C2
SYMATTR Value 10fC
SYMBOL cap 856 24 R0
SYMATTR InstName C3
SYMATTR Value 10fC
SYMBOL cap 136 344 R0
SYMATTR InstName C5
SYMATTR Value 10fC
SYMBOL cap -504 312 R0
SYMATTR InstName C6
SYMATTR Value 10fC
SYMBOL cap -504 552 R0
SYMATTR InstName C7
SYMATTR Value 10fC