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3 P2 O }8 W3 B, ?2 {4 i' r r8 \最好自己写网表,不会太难的。简单例子* L, t8 q1 T# e7 ^/ v0 V& a
) K- C, p: B, |3 c& {* Use IBIS model without package RLC
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7 [1 w/ q$ s; T, L0 f.option post probe dcon= 1
* u8 L# K/ E g8 Z.parameter Bit_Rate='1600meg' UI='1/Bit_Rate' " q/ y! U; R8 r
B( J* O. |, P' Q5 gvPRBS CA_in1 gnd LFSR (0v 1v 0p 100P 100P 'Bit_Rate' 3 [5, 2] rout=0.1)( O' D5 s& C p5 r7 L1 x% Q
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B_CA1 pup pdown CA_pad1 CA_in1 pwr GND3 @ D4 Z3 K3 U/ [" I1 K4 Z
+file = '\Proj\lib\ddr3.ibs'& K& }3 Y, u# V& M
+model = 'A_34'
6 F# [# T8 F' s+typ=typ power=on buffer=output interpol=12 E/ U2 [3 ~ O
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B_DQ1 pup pdown DQ_pad1 DQ_in1 en1 DQ_id pwr GND
- e2 J3 Z& d. I3 H. W( C" n, c+file = '\Proj\lib\ddr3.ibs'
8 {- c6 `$ ?' }. \+model = 'DQ_34_ODToff' 3 Y( Y6 \! `: N8 c) P+ G
+typ=typ power=on buffer=input_output interpol=1
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! \* Y# E. ^% ^% wven1 en1 gnd 0v
0 D6 }; j4 n) K: ot1 CA_pad1 GND DQ_pad1 GND z0=50 TD=100p q9 U. A/ c2 p+ [/ H; e5 A
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.tran 10p 50n
0 |0 d2 }9 H( ^8 Y0 _3 P, }4 P- N.probe v(*)1 C) l9 @! S9 J- ~% P
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