input pulse problem

Hi All I have designed a comparator. Now, I am trying to create a square input voltage pulse to check my propagation delay time. However, for some reason, it only shows the triangular input wave even though I tried to set my pulse to be square wave.

Below is my netlist. Could someone please give me some assistant?

Thanks

  • vdd 1 0 dc 5

m1 2 0 5 5 CMOSN w=1.6u l=1.6u m2 3 4 5 5 CMOSN w=1.6u l=1.6u m3 2 2 1 1 CMOSP w=3u l=1.6u m4 3 2 1 1 CMOSP w=3u l=1.6u m5 5 6 0 0 CMOSN w=1.6u l=1.6u m6 7 3 1 1 CMOSP w=10u l=1.6u m7 7 6 0 0 CMOSN w=3u l=1.6u

vbias 6 0 dc 2.5

*vin 4 0 dc 0.3834 ac 1 vin 4 0 pulse(0.38345 0.38335 15m .001m .001m 5m 10m)

*CL 7 0 2pF

  • LOT: T15D WAF:
02
  • DIE: N_Area_Fring DEV: N3740/10
  • Temp=
27

.MODEL CMOSN NMOS LEVEL = 3

  • TOX = 1.4E-8 NSUB = 1E17 GAMMA =
0.5483559
  • PHI = 0.7 VTO = 0.7640855 DELTA =
3.0541177
  • UO = 662.6984452 ETA = 3.162045E-6 THETA =
0.1013999
  • KP = 1.259355E-4 VMAX = 1.442228E5 KAPPA =
0.3
  • RSH = 7.513418E-3 NFS = 1E12 TPG =
1
  • XJ = 3E-7 LD = 1E-13 WD =
2.334779E-7
  • CGDO = 2.15E-10 CGSO = 2.15E-10 CGBO =
1E-10
  • CJ = 4.258447E-4 PB = 0.9140376 MJ =
0.435903
  • CJSW = 3.147465E-10 MJSW = 0.1977689

.MODEL CMOSP PMOS LEVEL = 3

  • TOX = 1.4E-8 NSUB = 1E17 GAMMA =
0.6243261
  • PHI = 0.7 VTO = -0.9444911 DELTA =
0.1118368
  • UO = 250 ETA = 0 THETA =
0.1633973
  • KP = 3.924644E-5 VMAX = 1E6 KAPPA =
30.1015109
  • RSH = 33.9672594 NFS = 1E12 TPG =

-1

  • XJ = 2E-7 LD = 5E-13 WD =
4.11531E-7
  • CGDO = 2.34E-10 CGSO = 2.34E-10 CGBO =
1E-10
  • CJ = 7.285722E-4 PB = 0.96443 MJ =
0.5
  • CJSW = 2.955161E-10 MJSW =
0.3184873 * *

.tran 0.1u 60m

*.tran 0.001m 0.01m *.ac dec 10 0.1 1000Meg *.dc vin 0 5 .1 *.op .end
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tiger66
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