|
2 L! F$ n9 V7 x& s( _% S最好自己写网表,不会太难的。简单例子
& i3 D( z# {1 G
- i' g( r+ | J$ {! Q$ }' m3 f3 z9 K# Q* Use IBIS model without package RLC
3 \2 d3 L) k! _* X: w# Z/ ?) P8 _7 l
' }5 C+ D, Z, s& s, ], M% T.option post probe dcon= 19 j) L+ O, {+ E, A
.parameter Bit_Rate='1600meg' UI='1/Bit_Rate'
3 X5 j5 D. I5 ^" ^) H, E# j+ V
7 O! W0 B( w% x& ^vPRBS CA_in1 gnd LFSR (0v 1v 0p 100P 100P 'Bit_Rate' 3 [5, 2] rout=0.1)& x* x) `6 R' S# j; ~9 M
2 S! t8 y" W8 x1 [/ G+ R& o
B_CA1 pup pdown CA_pad1 CA_in1 pwr GND
/ H; d; z5 t! {4 t1 P9 M+file = '\Proj\lib\ddr3.ibs'
4 L7 |4 m3 ~5 b0 [+model = 'A_34'2 B8 h3 C: D$ w( @1 g. t
+typ=typ power=on buffer=output interpol=1
" H2 x5 U" B9 ] ^8 q" [" a
8 U6 k" A3 s8 U; u% m- rB_DQ1 pup pdown DQ_pad1 DQ_in1 en1 DQ_id pwr GND4 ~3 Y3 U; }6 X6 X- e9 s, C
+file = '\Proj\lib\ddr3.ibs'
( Y/ E. Z$ o7 C5 }: L/ s, ~+model = 'DQ_34_ODToff'
$ p& y; ~0 Q# |, g M7 V' F5 q+typ=typ power=on buffer=input_output interpol=19 B. ~, f6 S/ m# p$ D
* g/ d& d* ~: [# Jven1 en1 gnd 0v
7 S4 R# [4 U( ?8 ~5 Kt1 CA_pad1 GND DQ_pad1 GND z0=50 TD=100p2 r6 r2 g( G) K, Q
9 V+ } h& Q) m) c; n
.tran 10p 50n
' b8 A8 Z# L1 |" M9 U+ K.probe v(*)
6 v1 W" w `& {. \) W
# i: V) C) I! \9 T" _.end |
|