[SI-LIST] Re: Cref, Vref and Vmeas in IBIS file

I forgot to mention that we're doing a Web seminar on this subject on
November 15:=20

"Timing is Everything in Common Clock Designs."

http://www.mentor.com/products/pcb/events/index.cfm

While I'm at it, here a few of the other Web seminars ...

4-Oct     Controlling Emissions, EMI, and Improving EMC
=09
18-Oct  Trade-offs in PCI-X Interconnect Design
=09
1-Nov   DDR2 Design Dos and Don'ts
=09
15-Nov  Timing is Everything in Common Clock Designs
=09
29-Nov  Technology, Topology, & Termination: Fundamentals of High-Speed
Design
=09
13-Dec  SERDES Design Made Easy

Bill Hargin
Product Manager - HyperLynx
Mentor Graphics Corp.
425-497-5079 - Direct
425-301-4425 - Mobile=20

> -----Original Message-----
> From: si-list-bounce@xxxxxxxxxxxxx=20
> [mailto:si-list-bounce@xxxxxxxxxxxxx] On Behalf Of Hargin, Bill
> Sent: Friday, September 30, 2005 7:29 AM
> To: darshanmehta2k@xxxxxxxxx; si-list@xxxxxxxxxxxxx
> Subject: [SI-LIST] Re: Cref, Vref and Vmeas in IBIS file
>=20
> Hi Darshan:
>=20
> An article called "Timing is Everything" on Xilinx.com may help you
> here:
> http://www.xilinx.com/publications/xcellonline/xcell_49/xc_pdf
> /xc_mentor
> -hyper49.pdf.
>=20
> Though I can't recall if it's mentioned in the article,=20
> simulation tools typically use Cref, Rref, and Vmeas in=20
> "batch" simulation for flight-time meassurements.
>=20
> Bill Hargin
> Product Manager - HyperLynx
> Mentor Graphics Corp.
> 425-497-5079 - Direct
> 425-301-4425 - Mobile
>=20
> > -----Original Message-----
> > From: si-list-bounce@xxxxxxxxxxxxx=3D20
> > [mailto:si-list-bounce@xxxxxxxxxxxxx] On Behalf Of Darshan Mehta
> > Sent: Friday, September 30, 2005 6:31 AM
> > To: si-list@xxxxxxxxxxxxx
> > Subject: [SI-LIST] Cref, Vref and Vmeas in IBIS file =3D20  Hello SI =

> >Experts, =3D20  =3D20 =3D20  Could you please tell me about how=20
> different SI=20
> >tools=3D20  consider the effect of Cref, Rref, Vmeas values=20
> for timing=3D20 =20
> >measurement? I want to know how exactly the tool reads=20
> these=3D20  values=20
> >or for what kind of calculations the tool reads these=3D20  values =
and=20
> >how exactly it uses it for timing calculation.=3D20 =3D20  =3D20=20
> =3D20  Thanks=20
> >in advance!
> >=3D20
> > Best Regards,
> >=3D20
> > Darshan Mehta
> >=3D20
> >=3D20
> >     =3D09
> > ---------------------------------
> > Yahoo! for Good
> >  Click here to donate to the Hurricane Katrina relief effort.=3D20 =
=3D20
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