[SI-LIST] Re: SSTL2 ClassI and ClassII
- From: Vinu Arumugham <vinu@xxxxxxxxx>
- To: valleybird03@xxxxxxxxx
- Date: Tue, 19 Aug 2003 12:26:47 -0700
If you are connecting an SSTL2 Class I device to a Class II device in a
point-point configuration, parallel terminating at either end is likely
to be sub-optimal.
Series termination is likely to offer better reflection performance
unless your interconnect length is close to half a bit time.
Thanks,
Vinu
valleybird03 wrote:
>Hi,
>
>When connecting one SSTL2 ClassI device with one SSTL2 CLassIi device,
>do we have to add 50ohm parallel resisor to 1.25V at near end of
>Class I or we can skip the 50ohm parallel resistor at near end of
>Class II?
>
>Thanks
>
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