.options RELTOL=100m VNTOL=10U ABSTOL=1P ITL5=0 scale=.3u



VDD VDD 0 DC 5

VCLK CLOCK 0 DC 0 AC 0 0 PULSE(0 5 0 1ps 1ps 5ns 10ns)

VPRESETi PRESETi 0 DC 5 

VUP UP 0 DC 0 AC 0 0 PULSE(0 5 0 1ps 1ps 3us 6us)

VDOWN DOWN 0 DC 0 AC 0 0 PULSE(0 5 3.5Us 1ps 1ps 3us 6us)

.tran 10ns 7us uic



.control

destroy all

run

plot clk UP+6 DOWN+12 b0+18 b1+24 b2+30 b3+36 b4+42 b5+48 b6+54 b7+60 b8+66 b9+72 

.ENDC