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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:/ H" H; ?, h# Z
ERROR - Model Model67: The [Rising Waveform]
8 v% _) i/ @3 `; _ with [R_fixture]=50 Ohms and [V_fixture]=0V5 }5 i# X" s- U7 d
has TYP column DC endpoints of 0.00V and 1.19v, but
% b+ s: a3 Y) l5 r p/ m an equivalent load applied to the model's I-V tables yields
( u# [; d" W j3 _ different voltages ( 0.00V and 0.98V),
# ]9 v9 Q' v$ D" b) s/ _ a difference of 0.00% and 21.94%, respectively.
4 [+ S. `7 m$ J, E3 WERROR - Model Model67: The [Falling Waveform]
& O. h/ s$ w- G) t# d& a" F with [R_fixture]=50 Ohms and [V_fixture]=1.8V
3 F9 \* V9 g7 h7 x. J$ _0 b |! h+ | has TYP column DC endpoints of 0.63V and 1.80v, but: A$ \# e R3 r. a
an equivalent load applied to the model's I-V tables yields
6 X7 }. O+ \9 R( G different voltages ( 0.88V and 1.80V),
6 G& e! b" e& ~% C7 x) E( f4 n a difference of 27.06% and 0.00%, respectively.
# k, W) V6 R( K1 dWARNING - Model Model67 Pulldown Minimum data is non-monotonic
6 r! _$ s; d6 x* x5 T. `/ G! P& q3 O) T* ?WARNING - Model Model67 Pullup Maximum data is non-monotonic. Y6 `6 t4 e2 V$ {3 Q
ERROR - Model Model67: The [Rising Waveform]
) i( B% Y( `4 p, u4 S with [R_fixture]=50 Ohms and [V_fixture_max]=0V
- K, K6 z _ H3 c( K has MAX column DC endpoints of 0.00V and 1.38v, but
2 \* v- _0 T2 E$ a1 v) j an equivalent load applied to the model's I-V tables yields4 C# S, L1 m9 u& |0 Z4 L
different voltages ( 0.00V and 1.15V),
' g- o' k; l" L' D: M a difference of 0.00% and 20.19%, respectively.: R# d; P2 B( m
ERROR - Model Model67: The [Falling Waveform] 4 ~3 i$ B% a. p! E- n% G% n
with [R_fixture]=50 Ohms and [V_fixture_max]=1.89V2 q& h) ]! G5 y! }
has MAX column DC endpoints of 0.53V and 1.89v, but
) R8 @ _ E& V an equivalent load applied to the model's I-V tables yields
$ q0 i- K' G2 k+ P different voltages ( 0.84V and 1.89V),5 G- {& L9 E5 T% B# R+ X0 D
a difference of 29.38% and 0.00%, respectively.$ ~3 E3 J. I' T
# ~: k6 [, t% L& k/ D: Q哪位大侠知道的帮帮忙啊,不知道的也帮我分析分析吧。
! d% ~; C0 ~- ^) u: B我这有一段解释:This happens because the function acdc_VI_Given_VIC_VR() in acdc.c improperly
9 t- A4 g7 t X7 breports the I-V/V-t intersection whenever it lies above the highest voltage in
; J+ p5 H! B) N0 x" y) [- } Vthe I-V characteristic. This defect is likely to show itself in models lacking
# P- {7 O& U/ t! o+ g+ ?clamp tables and in which either the [Pullup] or [Pulldown] table does not cover : o% e- ^- L, ]- ^
the range from -Vcc to 2*Vcc. Any open drain or open source model which lacks
* t7 D; E" W) b& P3 Xclamp tables is likely to meet these conditions because it is likely to lack , O% K6 z8 ? c3 {
either the [Pullup] or [Pulldown] table. In this test case, IBISCHK generates 2 S( @6 Y# }- e0 r w3 o, _, R
error messages only for the MIN data because the highest voltage in the high-2 j& j7 n3 H; T5 c0 S @' T
state I-V characteristic for the minimum corner lies below the 1.8 V V-T 6 j/ b1 j- l" Y- ` T( Z( B/ N; K4 r
operating voltage.
3 t8 w3 C! {9 n5 @3 Z K6 x: }9 }4 F5 ?1 K: q- k4 S9 A
但是缺少该怎么做啊 |
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