[SI-LIST] Re: LVPECL standard ?
- From: dan bostan <dbostan@xxxxxxxxx>
- To: hgm@xxxxxxxxxxx, si-list@xxxxxxxxxxxxx
- Date: Wed, 13 Aug 2003 10:50:54 -0700 (PDT)
PECL is intended to work between +5V and GND, while
LVPECL works between +3.3V and GND.
Therefore the offset voltage is different. This
difference has an effect on the Thevenin far end
termination used for PECL and LVPECL lines.
--- "Henrik G. Madsen" <hgm@xxxxxxxxxxx> wrote:
> Hi
>
> I have seen several different DC specifications of
> PECL and LVPECL.
>
> Does there exist some kind of 'official & approved'
> =
> standard/specification of PECL and LVPECL DC
> requirement?
> I.e. something like the JEDEC LVTTL standard.
>
>
> _____________________________________
> Henrik G Madsen
> Sr. HW Engineer, M.Sc.E.E=20
> Vitesse Semiconductor Corporation A/S
> Ethernet Products Division
> Hoerkaer 16, DK-2730 Herlev, DENMARK
> Direct: +45 4485 5920
> Phone: +45 4485 5900, Fax: +45 4485 5901
> mail: hgm@xxxxxxxxxxx
> web: http://www.vitesse.com
> _____________________________________
>
>
>
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