* SPICE netlist
V1 vS1 0 1
V2 vS2 0 2
V3 vS3 0 3
V4 vS4 0 4
V5 vS5 0 5
V6 vS6 0 6
V7 vS7 0 7
V8 vS8 0 8
V18 N001 0 15
V17 N003 0 -15
V19 vEN 0 PULSE(0 1.8 0 10n 10n 10u 20u)
R1 vD 0 301
C1 N001 0 0.1
C2 N003 0 0.1
C3 vD 0 36p
V20 vA0 0 1.8
V21 vA1 0 1.8
V22 vA2 0 1.8
V24 N002 0 1.8
XU1 N001 vA0 vA1 vA2 vEN N003 0 vS1 vS2 vS3 vS4 vS5 vS6 vS7 vS8 vD N002 ADG1408L ;pnba Vdd)A0)A1)A2)EN)Vss)GND)S1)S2)S3)S4)S5)S6)S7)S8)D)VL
.tran 100u

* LTspice schematic (.asc)
Version 4
SHEET 1 800 1168
WIRE 256 -584 176 -584
WIRE 368 -584 320 -584
WIRE -96 -472 -144 -472
WIRE 48 -472 -16 -472
WIRE 176 -472 176 -584
WIRE 240 -472 176 -472
WIRE 368 -472 320 -472
WIRE 48 -360 48 -472
WIRE 176 -360 176 -472
WIRE -48 -296 -80 -296
WIRE -16 -296 -48 -296
WIRE -48 -232 -160 -232
WIRE -16 -232 -48 -232
WIRE -48 -168 -240 -168
WIRE -16 -168 -48 -168
WIRE -48 -104 -320 -104
WIRE -16 -104 -48 -104
WIRE 272 -72 240 -72
WIRE 320 -72 272 -72
WIRE 400 -72 320 -72
WIRE -48 -40 -80 -40
WIRE -16 -40 -48 -40
WIRE 320 -40 320 -72
WIRE 400 -24 400 -72
WIRE -48 24 -160 24
WIRE -16 24 -48 24
WIRE 320 72 320 40
WIRE 400 72 400 40
WIRE -48 88 -240 88
WIRE -16 88 -48 88
WIRE -48 152 -320 152
WIRE -16 152 -48 152
WIRE -48 216 -80 216
WIRE -16 216 -48 216
WIRE 272 216 240 216
WIRE 368 216 272 216
WIRE 368 264 368 216
WIRE -48 280 -160 280
WIRE -16 280 -48 280
WIRE -48 344 -240 344
WIRE -16 344 -48 344
WIRE 368 376 368 344
WIRE 176 424 176 392
WIRE -64 472 -112 472
WIRE 48 472 48 392
WIRE 48 472 0 472
WIRE -64 584 -112 584
WIRE 48 584 48 472
WIRE 48 584 16 584
FLAG 368 -472 0
FLAG 368 -584 0
FLAG -160 -296 0
FLAG -240 -232 0
FLAG -320 -168 0
FLAG -400 -104 0
FLAG -160 -40 0
FLAG -240 24 0
FLAG -320 88 0
FLAG -400 152 0
FLAG -112 584 0
FLAG -112 472 0
FLAG 368 376 0
FLAG 320 72 0
FLAG 400 72 0
FLAG 176 424 0
FLAG -160 216 0
FLAG -240 280 0
FLAG -320 344 0
FLAG -144 -472 0
FLAG 272 -72 vD
FLAG 272 216 vEN
FLAG -48 216 vA0
FLAG -48 280 vA1
FLAG -48 344 vA2
FLAG -48 -296 vS1
FLAG -48 -232 vS2
FLAG -48 -168 vS3
FLAG -48 -104 vS4
FLAG -48 -40 vS5
FLAG -48 24 vS6
FLAG -48 88 vS7
FLAG -48 152 vS8
SYMBOL voltage -64 -296 R90
SYMATTR InstName V1
SYMATTR Value 1
SYMBOL voltage -144 -232 R90
SYMATTR InstName V2
SYMATTR Value 2
SYMBOL voltage -224 -168 R90
SYMATTR InstName V3
SYMATTR Value 3
SYMBOL voltage -304 -104 R90
SYMATTR InstName V4
SYMATTR Value 4
SYMBOL voltage -64 -40 R90
SYMATTR InstName V5
SYMATTR Value 5
SYMBOL voltage -144 24 R90
SYMATTR InstName V6
SYMATTR Value 6
SYMBOL voltage -224 88 R90
SYMATTR InstName V7
SYMATTR Value 7
SYMBOL voltage -304 152 R90
SYMATTR InstName V8
SYMATTR Value 8
SYMBOL voltage 224 -472 R270
SYMATTR InstName V18
SYMATTR Value 15
SYMBOL voltage 32 584 R90
SYMATTR InstName V17
SYMATTR Value -15
SYMBOL voltage 368 248 R0
SYMATTR InstName V19
SYMATTR Value PULSE(0 1.8 0 10n 10n 10u 20u)
SYMBOL res 304 -56 R0
SYMATTR InstName R1
SYMATTR Value 301
SYMBOL cap 256 -568 R270
SYMATTR InstName C1
SYMATTR Value 0.1
SYMBOL cap 0 456 R90
SYMATTR InstName C2
SYMATTR Value 0.1
SYMBOL cap 384 -24 R0
SYMATTR InstName C3
SYMATTR Value 36p
SYMBOL voltage -64 216 R90
SYMATTR InstName V20
SYMATTR Value 1.8
SYMBOL voltage -144 280 R90
SYMATTR InstName V21
SYMATTR Value 1.8
SYMBOL voltage -224 344 R90
SYMATTR InstName V22
SYMATTR Value 1.8
SYMBOL voltage 0 -472 R90
SYMATTR InstName V24
SYMATTR Value 1.8
SYMBOL ADG1408L 112 -40 R0
SYMATTR InstName U1