|
$ i! T) y8 N' M( i; T6 v
最好自己写网表,不会太难的。简单例子. p6 @3 P- L7 s+ w; G4 y# V
0 R; u* E: z, t' Q2 m. \, n
* Use IBIS model without package RLC
! J1 x( ?% g/ g$ Z! L @
/ {) _$ V* ~5 H( r9 V0 w0 e.option post probe dcon= 1' k& g# X* H. Q: h h4 \( W1 Q
.parameter Bit_Rate='1600meg' UI='1/Bit_Rate' U+ r$ t$ v4 J9 R9 w) i- c ^
/ s$ @3 A' I$ J! X2 @6 q' Z; n* FvPRBS CA_in1 gnd LFSR (0v 1v 0p 100P 100P 'Bit_Rate' 3 [5, 2] rout=0.1)) [ p a2 z# {# d6 `) I
% J6 U0 D, Y7 Z, l; B$ d2 O
B_CA1 pup pdown CA_pad1 CA_in1 pwr GND; V1 Y. \9 B3 C9 m
+file = '\Proj\lib\ddr3.ibs'. {& g0 y5 U9 ?0 I- x: L* O( {/ [
+model = 'A_34'& v x' m8 t9 Q' s
+typ=typ power=on buffer=output interpol=1# {3 m0 a- I" b( \
) F Q8 r; O) [& c0 V3 ^B_DQ1 pup pdown DQ_pad1 DQ_in1 en1 DQ_id pwr GND/ g! l$ @( `1 t/ Z8 X$ N4 _ V# p$ c
+file = '\Proj\lib\ddr3.ibs'* A0 {' G' \6 ?7 ^# `1 G g5 I
+model = 'DQ_34_ODToff'
1 R" j$ u1 P: t4 H( M2 `* y; e- K+typ=typ power=on buffer=input_output interpol=1
# \8 y1 k) d {. ~* p' u2 R: R2 Z, `5 c6 p) B( d
ven1 en1 gnd 0v* i+ j. P; u2 M/ Y. i
t1 CA_pad1 GND DQ_pad1 GND z0=50 TD=100p
* m d( X) d. b' U" E4 e9 S
- c. d* l3 C" D; W$ F0 `4 Y.tran 10p 50n7 ^* c5 q+ t/ d& F X
.probe v(*)
$ j+ k5 I0 v5 X$ i; [4 H! @5 I5 T/ a! M
+ a. I1 C1 S8 T. h7 X! y* A c.end |
|