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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：0 ]3 v7 D& }2 v+ J
ERROR - Model Model67: The [Rising Waveform] " D( U6 Z; b8 |4 ]! k
with [R_fixture]=50 Ohms and [V_fixture]=0V
& r8 U& C1 ]/ \ has TYP column DC endpoints of 0.00V and 1.19v, but: W o I1 ~/ C m- N5 W6 I, q
an equivalent load applied to the model's I-V tables yields6 k+ k# r5 j- E% p1 b0 ?
different voltages ( 0.00V and 0.98V),3 R0 d0 \: W( t: l' Y4 N
a difference of 0.00% and 21.94%, respectively.6 O5 T' @% f* G( k( v
ERROR - Model Model67: The [Falling Waveform]
2 \' ^/ F/ H$ ^# H with [R_fixture]=50 Ohms and [V_fixture]=1.8V6 B% h! p/ O6 I$ A+ W- z5 H
has TYP column DC endpoints of 0.63V and 1.80v, but
- ~5 R3 E" K8 I an equivalent load applied to the model's I-V tables yields1 K" y7 F8 g1 C% T
different voltages ( 0.88V and 1.80V),
; h! T9 j; t E1 o1 m' w a difference of 27.06% and 0.00%, respectively.8 s* u4 G# @! k* G# U1 L
WARNING - Model Model67 Pulldown Minimum data is non-monotonic; W$ s& e; o$ X) m. ?( Q
WARNING - Model Model67 Pullup Maximum data is non-monotonic
4 y' w$ ~) @* y8 }$ }ERROR - Model Model67: The [Rising Waveform] + j; V; A9 S3 r) Q. k/ f
with [R_fixture]=50 Ohms and [V_fixture_max]=0V
+ v$ \* b3 [0 K9 R: } has MAX column DC endpoints of 0.00V and 1.38v, but4 X1 h: K& T; E' I* e/ x
an equivalent load applied to the model's I-V tables yields
) }: M& e( x/ h8 i5 W6 s4 S different voltages ( 0.00V and 1.15V),
$ x* m: @4 ~! J( w6 i4 W a difference of 0.00% and 20.19%, respectively.
# O! g2 W' H/ G5 ZERROR - Model Model67: The [Falling Waveform]
/ `- c* J" g( b4 l( k& f. w with [R_fixture]=50 Ohms and [V_fixture_max]=1.89V
( i7 j b1 s/ q }, Y( j8 N has MAX column DC endpoints of 0.53V and 1.89v, but s% T, v! X) v. i: v
an equivalent load applied to the model's I-V tables yields
d0 J: J5 A9 [, E' N different voltages ( 0.84V and 1.89V),) v, Z- G+ ?/ R8 {
a difference of 29.38% and 0.00%, respectively.
! g) P5 `1 o/ x2 O0 K9 |! m5 X# o( H
哪位大侠知道的帮帮忙啊，不知道的也帮我分析分析吧。1 Z& h1 m9 G1 Y) P/ R
我这有一段解释：This happens because the function acdc_VI_Given_VIC_VR() in acdc.c improperly 6 |% g* u7 o v% v C$ _
reports the I-V/V-t intersection whenever it lies above the highest voltage in
, I& e& }7 N7 @ {, x* zthe I-V characteristic. This defect is likely to show itself in models lacking# ^2 }) i$ S/ \9 j/ j( @
clamp tables and in which either the [Pullup] or [Pulldown] table does not cover
5 |2 p: X: v6 d! P5 g6 xthe range from -Vcc to 2*Vcc. Any open drain or open source model which lacks
3 `7 P6 J7 A1 h- z! M V9 f( _clamp tables is likely to meet these conditions because it is likely to lack
2 G" g# A/ M4 ]7 V4 a( Oeither the [Pullup] or [Pulldown] table. In this test case, IBISCHK generates
. [$ G' a, l7 t7 T7 derror messages only for the MIN data because the highest voltage in the high-) f9 H5 I; A2 z; V( L9 z
state I-V characteristic for the minimum corner lies below the 1.8 V V-T
% v9 D4 d! Q4 T: Xoperating voltage.! y" Y0 p6 b4 f a' X# m
, I: p& R0 w! a, j但是缺少该怎么做啊 |
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发表于 2010-7-22 17:13
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