* SPICE netlist
VDD N002 0 1.8
M1 N003 A N002 N002 PMOS l=180n w=360n
M3 N003 N001 N002 N002 PMOS l=180n w=360n
M2 N004 B N003 N002 PMOS l=180n w=360n
M4 N004 S N003 N002 PMOS l=180n w=360n
M5 N004 N001 N005 0 NMOS l=180n w=360n
M6 N004 B N006 0 NMOS l=180n w=360n
M7 N005 A 0 0 NMOS l=180n w=360n
M8 N006 S 0 0 NMOS l=180n w=360n
M9 Output N004 0 0 NMOS l=180n w=360n
M10 Output N004 N002 N002 PMOS l=180n w=360n
M12 N001 S N002 N002 PMOS l=180n w=360n
M11 N001 S 0 0 NMOS l=180n w=360n
VB B 0 PULSE(0 1.8 0 1p 1p 2n 4n)
VS S 0 PULSE(0 1.8 0 1p 1p 5n 20n)
VA A 0 PULSE(0 1.8 0 1p 1p 5n 10n)
C1 Output 0 1f
.tran 60n
+VERSION = 3.1 TNOM = 27 TOX = 4.1E-9
+XJ = 1E-7 NCH = 2.3549E17 VTH0 = 0.3932664
+K1 = 0.5826058 K2 = 6.016593E-3 K3 = 1E-3
+K3B = 1.4046112 W0 = 1E-7 NLX = 1.755425E-7
+DVT0W = 0 DVT1W = 0 DVT2W = 0
+DVT0 = 1.3156832 DVT1 = 0.397759 DVT2 = 0.0615187
+U0 = 280.5758609 UA = -1.208176E-9 UB = 2.159494E-18
+UC = 5.340577E-11 VSAT = 9.601364E4 A0 = 1.7852987
+AGS = 0.4008594 B0 = -3.73715E-9 B1 = -1E-7
+KETA = -1.136459E-3 A1 = 2.580625E-4 A2 = 0.9802522
+RDSW = 105.472458 PRWG = 0.5 PRWB = -0.2
+WR = 1 WINT = 0 LINT = 1.571909E-8
+XL = 0 XW = -1E-8 DWG = -7.918114E-9
+DWB = -3.223301E-9 VOFF = -0.0956759 NFACTOR = 2.4447616
+CIT = 0 CDSC = 2.4E-4 CDSCD = 0
+CDSCB = 0 ETA0 = 2.489084E-3 ETAB = -2.143433E-5
+DSUB = 0.0140178 PCLM = 0.7533987 PDIBLC1 = 0.1966545
+PDIBLC2 = 3.366782E-3 PDIBLCB = -0.1 DROUT = 0.7760158
+PSCBE1 = 8E10 PSCBE2 = 9.204421E-10 PVAG = 5.676338E-3
+DELTA = 0.01 RSH = 6.5 MOBMOD = 1
+PRT = 0 UTE = -1.5 KT1 = -0.11
+KT1L = 0 KT2 = 0.022 UA1 = 4.31E-9
+UB1 = -7.61E-18 UC1 = -5.6E-11 AT = 3.3E4
+WL = 0 WLN = 1 WW = 0
+WWN = 1 WWL = 0 LL = 0
+LLN = 1 LW = 0 LWN = 1
+LWL = 0 CAPMOD = 2 XPART = 0.5
+CGDO = 7.83E-10 CGSO = 7.83E-10 CGBO = 1E-12
+CJ = 9.969364E-4 PB = 0.8 MJ = 0.376826
+CJSW = 2.618614E-10 PBSW = 0.8321894 MJSW = 0.1020453
+CJSWG = 3.3E-10 PBSWG = 0.8321894 MJSWG = 0.1020453
+CF = 0 PVTH0 = -1.428269E-3 PRDSW = -4.3383092
+PK2 = 8.440537E-5 WKETA = 2.341504E-3 LKETA = -9.397952E-3
+PU0 = 15.2496815 PUA = 5.74703E-11 PUB = 1.593698E-23
+PVSAT = 857.5761302 PETA0 = 1.003159E-4 PKETA = -1.378026E-3 )

* LTspice schematic (.asc)
Version 4
SHEET 1 2080 2000
WIRE 32 -1000 -1040 -1000
WIRE 416 -872 -384 -872
WIRE 32 -776 32 -1000
WIRE -112 -600 -432 -600
WIRE -64 -600 -112 -600
WIRE -16 -600 -64 -600
WIRE 32 -600 32 -696
WIRE 32 -600 -16 -600
WIRE 80 -600 32 -600
WIRE 128 -600 80 -600
WIRE 160 -600 128 -600
WIRE 624 -600 160 -600
WIRE -112 -520 -112 -600
WIRE -112 -520 -192 -520
WIRE 160 -520 160 -600
WIRE 224 -520 160 -520
WIRE -240 -504 -304 -504
WIRE 416 -504 416 -872
WIRE 416 -504 272 -504
WIRE -64 -472 -64 -600
WIRE -64 -472 -192 -472
WIRE 128 -472 128 -600
WIRE 224 -472 128 -472
WIRE -192 -360 -192 -424
WIRE 32 -360 -192 -360
WIRE 224 -360 224 -424
WIRE 224 -360 32 -360
WIRE 32 -328 32 -360
WIRE 32 -328 -176 -328
WIRE 208 -328 32 -328
WIRE -224 -312 -304 -312
WIRE 432 -312 256 -312
WIRE -16 -280 -16 -600
WIRE -16 -280 -176 -280
WIRE 80 -280 80 -600
WIRE 208 -280 80 -280
WIRE 624 -248 624 -600
WIRE 752 -248 624 -248
WIRE 208 -232 208 -248
WIRE 624 -104 624 -248
WIRE -432 -88 -432 -600
WIRE -432 -88 -512 -88
WIRE 576 -88 448 -88
WIRE -560 -72 -720 -72
WIRE 752 -56 752 -248
WIRE 752 -56 624 -56
WIRE -432 -40 -432 -88
WIRE -432 -40 -512 -40
WIRE -176 40 -176 -232
WIRE 16 40 -176 40
WIRE 208 40 208 -232
WIRE 208 40 16 40
WIRE 624 56 624 -8
WIRE 896 56 624 56
WIRE 1040 56 896 56
WIRE -512 72 -512 8
WIRE -384 72 -384 -872
WIRE -384 72 -512 72
WIRE -720 88 -720 -72
WIRE -720 88 -768 88
WIRE 16 88 16 40
WIRE 448 88 448 -88
WIRE 448 88 16 88
WIRE 1040 120 1040 56
WIRE -512 136 -512 72
WIRE 16 136 16 88
WIRE 16 136 -192 136
WIRE 208 136 16 136
WIRE 624 136 624 56
WIRE -768 184 -768 88
WIRE -400 184 -512 184
WIRE 704 184 624 184
WIRE -720 216 -720 88
WIRE -560 216 -720 216
WIRE -192 216 -192 136
WIRE 448 216 448 88
WIRE 576 216 448 216
WIRE 208 232 208 136
WIRE -512 248 -512 232
WIRE -400 248 -400 184
WIRE -400 248 -512 248
WIRE 624 248 624 232
WIRE 704 248 704 184
WIRE 704 248 624 248
WIRE -80 264 -192 264
WIRE 208 280 96 280
WIRE -384 296 -384 72
WIRE -240 296 -384 296
WIRE 432 296 432 -312
WIRE 432 296 352 296
WIRE 624 328 624 248
WIRE 944 328 624 328
WIRE -192 424 -192 312
WIRE 208 424 208 328
WIRE 256 424 256 312
WIRE 592 424 256 424
WIRE -144 472 -192 472
WIRE 208 472 160 472
WIRE 592 488 592 424
WIRE 432 504 432 296
WIRE 432 504 256 504
WIRE -240 584 -240 504
WIRE -240 584 -448 584
WIRE -192 616 -192 520
WIRE -144 616 -144 472
WIRE -144 616 -192 616
WIRE -80 616 -80 264
WIRE -80 616 -144 616
WIRE 0 616 -80 616
WIRE 96 616 96 280
WIRE 96 616 0 616
WIRE 160 616 160 472
WIRE 160 616 96 616
WIRE 208 616 208 520
WIRE 208 616 160 616
WIRE -448 696 -448 584
WIRE -1040 712 -1040 -1000
WIRE -608 712 -1040 712
WIRE -768 904 -768 264
WIRE -608 904 -608 712
WIRE -608 904 -768 904
WIRE -512 904 -512 248
WIRE -512 904 -608 904
WIRE -448 904 -448 776
WIRE -448 904 -512 904
WIRE 0 904 0 616
WIRE 0 904 -448 904
WIRE 192 904 0 904
WIRE 592 904 592 568
WIRE 592 904 192 904
WIRE 944 904 944 328
WIRE 944 904 592 904
WIRE 1040 904 1040 184
WIRE 1040 904 944 904
WIRE 192 1000 192 904
FLAG -304 -312 B
IOPIN -64 352 In
FLAG -304 -504 A
IOPIN -64 160 In
FLAG -768 88 S
IOPIN -528 752 In
FLAG 352 296 S
IOPIN 592 960 In
FLAG 592 424 B
IOPIN 832 1088 In
FLAG 896 56 Output
IOPIN 1136 720 Out
FLAG -448 584 A
IOPIN -208 1248 In
FLAG 192 1000 0
SYMBOL voltage 32 -680 M180
SYMATTR InstName VDD
SYMATTR Value 1.8
SYMBOL pmos4 -240 -424 M180
SYMATTR InstName M1
SYMATTR Value2 l=180n w=360n
SYMBOL pmos4 272 -424 R180
SYMATTR InstName M3
SYMATTR Value2 l=180n w=360n
SYMBOL pmos4 -224 -232 M180
SYMATTR InstName M2
SYMATTR Value2 l=180n w=360n
SYMBOL pmos4 256 -232 R180
SYMATTR InstName M4
SYMATTR Value2 l=180n w=360n
SYMBOL nmos4 -240 216 R0
SYMATTR InstName M5
SYMATTR Value2 l=180n w=360n
SYMBOL nmos4 256 232 M0
SYMATTR InstName M6
SYMATTR Value2 l=180n w=360n
SYMBOL nmos4 -240 424 R0
SYMATTR InstName M7
SYMATTR Value2 l=180n w=360n
SYMBOL nmos4 256 424 M0
SYMATTR InstName M8
SYMATTR Value2 l=180n w=360n
SYMBOL nmos4 576 136 R0
SYMATTR InstName M9
SYMATTR Value2 l=180n w=360n
SYMBOL pmos4 576 -8 M180
SYMATTR InstName M10
SYMATTR Value2 l=180n w=360n
SYMBOL pmos4 -560 8 M180
SYMATTR InstName M12
SYMATTR Value2 l=180n w=360n
SYMBOL nmos4 -560 136 R0
SYMATTR InstName M11
SYMATTR Value2 l=180n w=360n
SYMBOL voltage 592 472 R0
SYMATTR InstName B
SYMATTR Value PULSE(0 1.8 0 1p 1p 2n 4n)
SYMBOL voltage -768 168 R0
SYMATTR InstName S
SYMATTR Value PULSE(0 1.8 0 1p 1p 5n 20n)
SYMBOL voltage -448 680 R0
SYMATTR InstName A
SYMATTR Value PULSE(0 1.8 0 1p 1p 5n 10n)
SYMBOL cap 1024 120 R0
SYMATTR InstName C1
SYMATTR Value 1f