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请各位大侠帮我看一下这个ibis模型怎么了

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发表于 2010-7-22 17:13 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式

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请各位大侠帮我看一下这个ibis模型怎么了,这是我从TI官网上下载的,在编译的时候报错:
& H9 y$ w% ]) e' ?- _+ @( q! uERROR - Model Model67: The [Rising Waveform]
1 u9 z# B0 w5 C6 T      with [R_fixture]=50 Ohms and [V_fixture]=0V- P  S. D, I5 p  Q, e
      has TYP column DC endpoints of  0.00V and  1.19v, but) |* ]! g8 t9 i7 p5 Z
      an equivalent load applied to the model's I-V tables yields8 E+ ]5 b3 ^* L9 f/ i9 r
      different voltages ( 0.00V and  0.98V),5 M+ a" H, S3 K2 {1 ?8 J
      a difference of  0.00% and 21.94%, respectively.& i) f! \8 K0 i% d: {
ERROR - Model Model67: The [Falling Waveform] . H1 _$ C0 V, _
      with [R_fixture]=50 Ohms and [V_fixture]=1.8V: t' {% }- A# w( R8 s/ U) q/ L
      has TYP column DC endpoints of  0.63V and  1.80v, but! O/ ]. G8 h* _# s" D% j* o
      an equivalent load applied to the model's I-V tables yields( B. }# X* ?% B- ~/ t  T! w  c2 y
      different voltages ( 0.88V and  1.80V),! [8 k9 T; i# b, T- {# O3 I
      a difference of 27.06% and  0.00%, respectively.
  q9 g) E8 d9 m1 n  BWARNING - Model Model67 Pulldown Minimum data is non-monotonic
7 z) ]) C6 s, @3 h2 DWARNING - Model Model67 Pullup Maximum data is non-monotonic
7 ~0 R/ s: K: `( lERROR - Model Model67: The [Rising Waveform]
# w7 R; M6 d3 ]- p! V) ?      with [R_fixture]=50 Ohms and [V_fixture_max]=0V3 b( t$ ^3 x4 F" M
      has MAX column DC endpoints of  0.00V and  1.38v, but8 }& O6 S  U7 B9 M% J- Y. h* T
      an equivalent load applied to the model's I-V tables yields! O- s/ q6 Q, S. ~7 f" n
      different voltages ( 0.00V and  1.15V),
* d. Q' w  Y! L: Y; b  v      a difference of  0.00% and 20.19%, respectively.
! J5 p, d$ F* j# [ERROR - Model Model67: The [Falling Waveform]
, O% P) D& r9 ~      with [R_fixture]=50 Ohms and [V_fixture_max]=1.89V
  d; Y. c/ S8 C0 M* x# `      has MAX column DC endpoints of  0.53V and  1.89v, but* v# f: o9 r3 Z& r' \. x
      an equivalent load applied to the model's I-V tables yields
: d: _4 |  {! N. h: p  [      different voltages ( 0.84V and  1.89V),
" D2 z: U1 K- O6 w- B' O7 B      a difference of 29.38% and  0.00%, respectively.
6 Y/ e5 F" j% M- _- h! n
6 x; @7 F5 _2 k# r& L% Y- ^哪位大侠知道的帮帮忙啊,不知道的也帮我分析分析吧。
$ g+ R! j1 [8 T( R1 S# C! W我这有一段解释:This happens because the function acdc_VI_Given_VIC_VR() in acdc.c improperly
) n2 W6 r* d; _9 c7 m" t. Oreports the I-V/V-t intersection whenever it lies above the highest voltage in
2 V4 ^/ X6 ~! ~( ^1 P7 Fthe I-V characteristic.  This defect is likely to show itself in models lacking
8 p- l$ e4 m0 ?! h* o2 B# Eclamp tables and in which either the [Pullup] or [Pulldown] table does not cover
' z9 }4 ^8 m) l3 D7 Jthe range from -Vcc to 2*Vcc.  Any open drain or open source model which lacks & k' M1 j6 k7 g' V
clamp tables is likely to meet these conditions because it is likely to lack   v  G1 P& H( J
either the [Pullup] or [Pulldown] table.  In this test case, IBISCHK generates 2 z2 I+ T. k* u
error messages only for the MIN data because the highest voltage in the high-  u& W) _8 T0 p) v2 @
state I-V characteristic for the minimum corner lies below the 1.8 V V-T
. T5 e8 i3 d. W% N' Boperating voltage.! k9 [6 M8 r0 a( \& X6 `1 M
) o% @3 j- [) O& b
但是缺少该怎么做啊
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