* SPICE netlist
M1 N002 Q 0 0 N_50n l=250n w=250n
M2 N002 Q VDD VDD P_50n l=250n w=450n
M3 N003 D 0 0 N_50n l=250n w=250n
M4 N003 D VDD VDD P_50n l=250n w=450n
M5 Q N001 0 0 N_50n l=250n w=250n
M6 Q N001 VDD VDD P_50n l=250n w=450n
M7 N002 CLK_BAR N001 0 N_50n l=250n w=150n
M8 N002 CLK N001 VDD P_50n l=250n w=450n
M9 N003 CLK N001 0 N_50n l=250n w=150n
M10 N003 CLK_BAR N001 VDD P_50n l=250n w=450n
VCLK1 CLK 0 PULSE(0 1 0n 0.1p 0.1p 1000n 2000n)
VDD1 VDD 0 1
M15 CLK_BAR CLK 0 0 N_50n l=250n w=150n
M16 CLK_BAR CLK VDD VDD P_50n l=250n w=450n
VD1 D 0 PULSE(0 1 07n 0.1p 0.1p 100n 200n)
.tran 8000n

* LTspice schematic (.asc)
Version 4
SHEET 1 1936 1376
WIRE 904 -688 -280 -688
WIRE -888 -656 -888 -672
WIRE -888 -640 -888 -656
WIRE -888 -528 -888 -560
WIRE -152 -496 -152 -544
WIRE 296 -496 296 -608
WIRE 712 -496 712 -544
WIRE -200 -480 -232 -480
WIRE 664 -480 632 -480
WIRE 216 -448 184 -448
WIRE 344 -448 312 -448
WIRE 264 -432 264 -448
WIRE -872 -384 -872 -400
WIRE -152 -384 -152 -400
WIRE 184 -384 184 -448
WIRE 184 -384 -152 -384
WIRE 344 -384 344 -448
WIRE 472 -384 344 -384
WIRE 632 -384 632 -480
WIRE 632 -384 472 -384
WIRE 712 -384 712 -400
WIRE 904 -384 904 -688
WIRE 904 -384 712 -384
WIRE -280 -368 -280 -688
WIRE -232 -368 -232 -480
WIRE -232 -368 -280 -368
WIRE -152 -368 -152 -384
WIRE 712 -368 712 -384
WIRE 184 -304 184 -384
WIRE 216 -304 184 -304
WIRE 344 -304 344 -384
WIRE 344 -304 312 -304
WIRE -872 -288 -872 -304
WIRE -232 -288 -232 -368
WIRE -200 -288 -232 -288
WIRE 632 -288 632 -384
WIRE 664 -288 632 -288
WIRE -152 -224 -152 -272
WIRE 712 -224 712 -272
WIRE 296 -144 296 -256
WIRE 968 -144 968 -160
WIRE 968 -48 968 -64
WIRE -152 -32 -152 -80
WIRE 296 -32 296 -144
WIRE -200 -16 -232 -16
WIRE 216 16 184 16
WIRE 344 16 312 16
WIRE 264 32 264 16
WIRE -232 64 -232 -16
WIRE -232 64 -328 64
WIRE -152 80 -152 64
WIRE 184 80 184 16
WIRE 184 80 -152 80
WIRE 344 80 344 16
WIRE 472 80 472 -384
WIRE 472 80 344 80
WIRE -152 96 -152 80
WIRE 184 160 184 80
WIRE 216 160 184 160
WIRE 344 160 344 80
WIRE 344 160 312 160
WIRE -232 176 -232 64
WIRE -200 176 -232 176
WIRE -152 240 -152 192
WIRE 296 272 296 208
WIRE 904 272 296 272
WIRE -840 336 -840 288
WIRE -888 352 -920 352
WIRE 520 352 520 336
WIRE -840 448 -840 432
WIRE -664 448 -840 448
WIRE -952 464 -968 464
WIRE -920 464 -920 352
WIRE -920 464 -952 464
WIRE -840 464 -840 448
WIRE -920 544 -920 464
WIRE -888 544 -920 544
WIRE -840 608 -840 560
WIRE -664 640 -664 448
WIRE 600 640 -664 640
WIRE -952 688 -952 464
WIRE 600 688 -952 688
FLAG -152 -320 0
FLAG -152 -448 VDD
FLAG -152 -224 0
FLAG -152 -544 VDD
FLAG -152 144 0
FLAG -152 16 VDD
FLAG -152 240 0
FLAG -152 -80 VDD
FLAG 712 -320 0
FLAG 712 -448 VDD
FLAG 712 -224 0
FLAG 712 -544 VDD
FLAG 264 -304 0
FLAG 264 -432 VDD
FLAG 264 160 0
FLAG 264 32 VDD
FLAG 296 -608 CLK
FLAG 296 -144 CLK_BAR
FLAG 904 -384 Q
FLAG 904 272 CLK
FLAG -872 -288 0
FLAG -872 -400 CLK
FLAG -888 -528 0
FLAG -888 -656 VDD
FLAG -840 512 0
FLAG -840 384 VDD
FLAG -840 608 0
FLAG -840 288 VDD
FLAG -968 464 CLK
FLAG 600 688 CLK
FLAG 600 640 CLK_BAR
FLAG -328 64 D
FLAG 968 -48 0
FLAG 968 -160 D
SYMBOL nmos4 -200 -368 R0
SYMATTR InstName M1
SYMATTR Value N_50n
SYMATTR Value2 l=250n w=250n
SYMBOL pmos4 -200 -400 M180
SYMATTR InstName M2
SYMATTR Value P_50n
SYMATTR Value2 l=250n w=450n
SYMBOL nmos4 -200 96 R0
SYMATTR InstName M3
SYMATTR Value N_50n
SYMATTR Value2 l=250n w=250n
SYMBOL pmos4 -200 64 M180
SYMATTR InstName M4
SYMATTR Value P_50n
SYMATTR Value2 l=250n w=450n
SYMBOL nmos4 664 -368 R0
SYMATTR InstName M5
SYMATTR Value N_50n
SYMATTR Value2 l=250n w=250n
SYMBOL pmos4 664 -400 M180
SYMATTR InstName M6
SYMATTR Value P_50n
SYMATTR Value2 l=250n w=450n
SYMBOL nmos4 216 -256 R270
SYMATTR InstName M7
SYMATTR Value N_50n
SYMATTR Value2 l=250n w=150n
SYMBOL pmos4 216 -496 M90
SYMATTR InstName M8
SYMATTR Value P_50n
SYMATTR Value2 l=250n w=450n
SYMBOL nmos4 216 208 R270
SYMATTR InstName M9
SYMATTR Value N_50n
SYMATTR Value2 l=250n w=150n
SYMBOL pmos4 216 -32 M90
SYMATTR InstName M10
SYMATTR Value P_50n
SYMATTR Value2 l=250n w=450n
SYMBOL voltage -872 -400 R0
SYMATTR InstName CLK1
SYMATTR Value PULSE(0 1 0n 0.1p 0.1p 1000n 2000n)
SYMBOL voltage -888 -656 R0
SYMATTR InstName VDD1
SYMATTR Value 1
SYMBOL nmos4 -888 464 R0
SYMATTR InstName M15
SYMATTR Value N_50n
SYMATTR Value2 l=250n w=150n
SYMBOL pmos4 -888 432 M180
SYMATTR InstName M16
SYMATTR Value P_50n
SYMATTR Value2 l=250n w=450n
SYMBOL voltage 968 -160 R0
SYMATTR InstName D1
SYMATTR Value PULSE(0 1 07n 0.1p 0.1p 100n 200n)