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[SI-LIST] Re: CMOS is right but can't be do in XTK or ICX.
- From: "Dagostino, Tom" <tom_dagostino@xxxxxxxxxxx>
- To: "'chinesechunghwa@xxxxxxxxxxxx'" <chinesechunghwa@xxxxxxxxxxxx>
- Date: Fri, 7 Sep 2001 09:43:43 -0700
The model you have seems to be bad. The typical values are in the =
milliAmpere range but the min and max are in the nanoAmpere range. =
I've never seen a buffer that could do that.
If the buffer's model was created correctly I'm sure either ICX or XTK =
could simulate it. =20
Tom Dagostino
Modeling Manager
Mentor Graphics Corp.
SAE
tom_dagostino@xxxxxxxxxx
503-685-1613
-----Original Message-----
From: Tomus Hun [mailto:chinesechunghwa@xxxxxxxxxxxx]
Sent: Friday, September 07, 2001 12:24 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] CMOS is right but can't be do in XTK or ICX.
Hi all :=20
I get the I-V curve in IBIS table.
[POWER_clamp]
| voltage I(typ) I(min) =20
I(max)
|
-3.3000 5.8950mA 5.4280nA =20
0.5186nA
-3.2000 5.9690mA 5.7590nA =20
0.4453nA
-3.1000 6.2130mA 5.7410nA =20
0.4886nA
-3.0000 6.8610mA 5.6070nA =20
0.4154nA
-2.9000 8.5250mA 5.7060nA =20
0.4587nA
-2.8000 10.6600mA 5.5720nA =20
0.2690nA
-2.7000 11.2400mA 5.5550nA =20
0.1959nA
-2.6000 10.9300mA 5.4210nA =20
0.2392nA
-2.5000 10.4700mA 5.4040nA =20
0.3989nA
-2.4000 9.9570mA 5.2710nA =20
0.3258nA
-2.3000 9.4210mA 5.6040nA =20
0.2526nA
-2.2000 8.8770mA 5.5300nA =20
0.4124nA
-2.1000 8.3370mA 5.5140nA =20
0.4557nA
-2.0000 7.8140mA 5.4390nA =20
0.4991nA
-1.9000 7.3230mA 5.4230nA =20
0.3096nA
-1.8000 6.9050mA 5.5240nA =20
0.4694nA
-1.7000 6.6980mA 5.5670nA =20
0.3963nA
-1.6000 8.5240mA 5.3180nA =20
0.4397nA
-1.5000 28.6500mA 5.4780nA =20
0.3667nA
-1.4000 43.7900mA 5.3460nA =20
0.2354nA
-1.3000 46.3700mA 5.3310nA =20
0.2206nA
-1.2000 46.0700mA 5.2000nA =20
0.2640nA
-1.1000 44.2700mA 5.5340nA =20
0.3074nA
-1.0000 41.5400mA 5.3450nA =20
0.2344nA
-0.9000 38.2200mA 5.3300nA =20
0.2778nA
-0.8000 34.4900mA 5.2580nA =20
0.1466nA
-0.7000 30.4600mA 5.3630nA =20
0.2482nA
-0.6000 26.2000mA 5.3370nA =20
0.2334nA
-0.5000 21.8000mA 5.4710nA =20
0.2186nA
-0.4000 17.3900mA 8.9320nA =20
0.2620nA
-0.3000 13.0000mA 4.6600nA =20
0.1308nA
-0.2000 8.6280mA 3.8770nA =20
0.1160nA
-0.1000 4.2870mA 3.7780nA =20
0.2758nA
0.0000 1.1450nA 3.7060nA =20
0.1439nA
|
This can't be do in ICx or XTK, this may be have
troble in the power clamp CMOS transistor circuit.
If the circuit can not be change ,it must only
simulate in SPICE,and the IBIS is only dummy for the
PCB simulation at this version 3.2. The IBIS users
give up for the condition.Is there no body can relieve
from=20
this bad stipulation.
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