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最好自己写网表,不会太难的。简单例子$ c+ T+ F+ V+ ^2 O
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* Use IBIS model without package RLC
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.option post probe dcon= 1) v j9 u& M5 D( j' U" ]
.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)
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B_CA1 pup pdown CA_pad1 CA_in1 pwr GND
2 v: ]8 c& P0 a1 p+ C* R+file = '\Proj\lib\ddr3.ibs'( n" \7 `& u" x1 P; k. }
+model = 'A_34'
! n: P3 a1 w+ |5 ], E+ K3 g$ ~3 `+typ=typ power=on buffer=output interpol=1+ s% [) p! W: d
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B_DQ1 pup pdown DQ_pad1 DQ_in1 en1 DQ_id pwr GND
, Y1 m$ [# m' I; c6 _( |' l/ E& v+file = '\Proj\lib\ddr3.ibs'( k, u2 ^8 l' y ^6 B8 f. h
+model = 'DQ_34_ODToff' 8 M& }+ @/ G2 g0 Y! F+ M: o( ^" U
+typ=typ power=on buffer=input_output interpol=18 i# ]9 ]5 r. C, \
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1 n" @" |" v, \4 Ft1 CA_pad1 GND DQ_pad1 GND z0=50 TD=100p
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.probe v(*)" b6 M: ], D) [* ], P
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.end |
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