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標 題Re: [問題] 跑virtuoso出現tran error
發信站不良牛牧場 (Tue Apr 18 15:43:44 2006)
轉信站ptt!ctu-reader!Spring!news.nctu!newsfeed.media.kyoto-u.ac.jp!newsfeed2
※ 引述《[email protected] (andy)》之銘言：
: ==> 在 [email protected] (最後一學期) 的文章中提到:
: > 我在跑一個DLL的tran時
: > 可能程式比較大的原因
: > 結果出現下面這個
: > 因為之前我都用spice
: > 所以對這套軟體比較不熟析
: > 有人可以跟我說該如何調整嗎
: sorry ..
: virtuso 不是 layout tool嗎
: 還是新版已經能跑 SPICE
Cadence是整合在同一個環境裡:
Virtuso Analog Design Environment
不過看CIC分類那邊還是取名為Analog Artist
原po是把circuit-level design用spectre來跑simulation
不過我用了蠻久了
還沒碰過原po出現的error message
幫不上忙@@
: > 感謝
: > ***********************************************
: > Transient Analysis `tran': time = (0 s -> 1 us)
: > ***********************************************
: > Notice from spectre during IC analysis, during transient analysis `tran'.
: > Gmin = 1 pS is large enough to noticeably affect the DC solution.
: > dV(I1.M5:int_d) = -8.20263 mV
: > Use `gmin_check' option to eliminate or expand this report.
: > Important parameter values:
: > start = 0 s
: > outputstart = 0 s
: > stop = 1 us
: > step = 1 ns
: > maxstep = 100 ns
: > ic = all
: > skipdc = no
: > reltol = 10e-03
: > abstol(I) = 1 pA
: > abstol(V) = 1 uV
: > temp = 27 C
: > tnom = 27 C
: > tempeffects = all
: > errpreset = liberal
: > method = gear2
: > lteratio = 3.5
: > relref = allglobal
: > cmin = 0 F
: > gmin = 1 pS
: > maxrsd = 0 Ohm
: > mos_method = s
: > mos_vres = 50 mV
: > tran: time = 13.22 ns (1.32 %), step = 6.05 ps (605 u%)
: > Fatal error found by spectre at time = 13.7138 ns during transient analysis
: > `tran'.
: > write error on PSF file: Error detected in psf library while writing to
: > file `tran.tran'.
: > Analysis `tran' terminated prematurely due to error.
: > Fatal error found by spectre.
: > Error detected while closing file `tran.tran'.
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