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List some probably if nonconvergence...
1.Be sure to check your model parameter units.% w6 O5 N- Q) D2 Y6 {
2.Use MOS ACM=1,ACM=2,or ACM=3 source and drain diode calaulation to automatically generate parasitics.
, j# R* T# y6 V7 F! a* b7 I/ {3.Check if you MOS models had subshreshold parameter set? (NFS=1e11 for HSPICE Level 1, 2, 3 and N0=1 for HSPICE BSIM 1, 2, 3 models & Level 28).9 i3 ^9 J! N# M5 D5 Y( ^6 J- p1 h
4.Check your options .
& X5 {% L# \5 ?: ?2 m% P3 H5.schmitt Triggers are unpredictable for DC sweep and sometimes for operating point for the same reasons Oscillators and Filp-Flops are use slow transient. |
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