[SI-LIST] Re: SI software for Cadence
- From: "Hargin, Bill" <bill_hargin@xxxxxxxxxxx>
- To: "'richard.moffat@xxxxxxxxxxxxxxxxxxx'" <richard.moffat@xxxxxxxxxxxxxxxxxxx>
- Date: Mon, 18 Aug 2003 16:45:59 -0700
Hi Richard:
I saw that several people responded to this, but wanted to clarify the
HyperLynx/Mentor question. HyperLynx is currently focused on SI, basic timing,
crosstalk, and EMC analysis, and will read in an Allegro board just fine ...
It's the product's oldest board translator. A few other integration/board
translation facts that are little-known by non users include the fact that
HyperLynx BoardSim works fine off of placed but not routed Allegro boards using
Manhattan routes, and the fact that a "QPL" (Qualified Parts List) file can be
set up on the network to automatically map IBIS models to commonly used Part
Names/Numbers. Though not developed by Cadence, the compatibility is pretty
strong, and continues to be improved over time.
Bill Hargin
Mentor Graphics Corp.
Systems Design Division
High-Speed Tools
425-497-5079 - Direct
425-246-9937 - Mobile
> -----Original Message-----
> From: richard moffat [mailto:richard.moffat@xxxxxxxxxxxxxxxxxxx]
> Sent: Monday, August 18, 2003 4:20 PM
> To: si-list-request@xxxxxxxxxxxxx
> Cc: si-list@xxxxxxxxxxxxx
> Subject: [SI-LIST] Re: SI software for Cadence
>
>
> Hello again
>
> Thanks for all the replies. Now I have a rough feeling of
> what people cu=
> rrently think, I'll go through all the SI-List archives.
>
> And a special thanks for not hassling me on my abysmal
> typing!! (I hadn'=
> t yet had a coffee.)
>
> Cheers,
> Richard
>
>
>
>
>
> >>> "Alex Slavec" <aleksanders@xxxxxxxx> 19/08/2003 10:21:49 a.m. >>>
>
> Hi Richard,
>
> As you can expect, Cadence Specctraquest will provide the most
> integrated solution when using Allegro; both use the *.brd database
> file. Depending on your SI speeds (>3GHz), you may need to
> add HSpice to
> your option list in addition to the power plane analysis package.
> Specctraquest can take either your physical track topology or the
> Manhattan length for a non-routed signal and then by providing
> appropriate models the tool will draw appropriate waveforms at various
> points on along the signal path. Like many other board level
> simulators,
> one of the disadvantages with SpecctraQuest is the lack of detailed
> modeling ability, in other words, IBIS model is the only type
> of device
> model that can be used effectively. Therefore, reliable behavioral
> models have to be evaluated prior to any analysis. Cadence claimed to
> have demonstrated this product to 3GHz. For detailed analysis
> above the
> 3GHz level, Cadence recommends using Hspice models. At the
> 10GHz level,
> behavioral models may no longer be valid meaning that IBIS
> models should
> not be operated at this level.=20
>
> I don't have any hands on experience with the latest version of
> Hyperlynx, however I believe that this version can import an Allegro
> file; perhaps someone can verify this, and if so is the import 100%
> effective.
>
> The Sigrity tools can import layout info from the Allegro
> *.brd file to
> be used in power plane analysis.
>
> I hope this helps.
>
> Cheers,
> Alex
>
>
>
> -----Original Message-----
> From: si-list-bounce@xxxxxxxxxxxxx
> [mailto:si-list-bounce@xxxxxxxxxxxxx] =
>
> On Behalf Of richard moffat
> Sent: Tuesday, 19 August 2003 6:57 AM
> To: <
> Subject: [SI-LIST] SI software for Cadence
>
> Hi all
>
> We are in the telecommonunication indistry. What are people using for
> SI=3D
> =3D20when they have Cadence Allegro as the layout package?
> (I'm referrin=
> g
> =3D
> to both SI and powerplane analysis.)
> I have so far narrowed it down to (in rough order)
> =3D20- SpecctraQuest
> =3D20- Sigrity
> =3D20- HyperLynz (GHz option)
> =3D20- Ansoft
> =3D20- Mentor tools?
>
> Any success stories or sob stories would be appreciated !
>
> Cheers,
> Richard
>
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