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0 F7 @( G; w R6 J0 R) H最好自己写网表,不会太难的。简单例子
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: ^6 y( x' g4 o2 B* Use IBIS model without package RLC
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2 k- Z7 |0 ]0 C! B0 ]. h; f.option post probe dcon= 1" V% H9 P* E6 o
.parameter Bit_Rate='1600meg' UI='1/Bit_Rate'
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vPRBS CA_in1 gnd LFSR (0v 1v 0p 100P 100P 'Bit_Rate' 3 [5, 2] rout=0.1)% V" Q4 H. I% N# D `! M
/ S, y) A4 z! N' e2 EB_CA1 pup pdown CA_pad1 CA_in1 pwr GND+ A6 D2 w6 A8 S8 V( j7 ~6 d
+file = '\Proj\lib\ddr3.ibs'
( ]) j& L7 g; n+ D: G+model = 'A_34'
" M) i7 I0 S; i. r) z# @; s) K+ z+ d+typ=typ power=on buffer=output interpol=1* R/ ?9 h+ z; `) _! e
; A. t; q3 w/ U: p/ GB_DQ1 pup pdown DQ_pad1 DQ_in1 en1 DQ_id pwr GND
. j5 n" ~# B$ A- |! O2 [0 X- V C+file = '\Proj\lib\ddr3.ibs'
; T4 C- X8 \" A% q+model = 'DQ_34_ODToff' " o9 X& q3 y( Y
+typ=typ power=on buffer=input_output interpol=10 K$ N0 @- Q6 P3 X, _/ ~
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ven1 en1 gnd 0v# j9 F$ S' v0 G# v# s3 R4 f
t1 CA_pad1 GND DQ_pad1 GND z0=50 TD=100p8 V( j& ?; V4 ]4 D/ {7 H E
' `9 j6 a& q, l7 u, r.tran 10p 50n
* K# y% {: I, `# v0 g& Q# U9 y.probe v(*)
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9 B3 R% y1 j6 ]5 F.end |
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