[time-nuts] CPLDs for clock dividers

Bruce Griffiths bruce.griffiths at xtra.co.nz
Thu Feb 4 23:43:35 UTC 2010

Gerhard Hoffmann wrote:
> paul swed wrote:
>> Well not having a lot of luck with the xilinx wise application.
>> Its a 6.5 GB tar and after a good 5 hr plus download the tar doesn't 
>> open
>> with zipgenious
>> But 6.5 GB to work a cpld. Seems crazy to me.
> I also had no luck two weeks ago with the single file download.
> The web install worked ok, however. It downloads many smaller
> files. I think my very slow DSL connection is to blame here.  :-(
> Two years ago, when I still lived in Berlin, Xilinx used to have one 
> of the
> few servers that were capable to max out my (then) 16 MBit/s link.
> @ Ulrich:
> Did you see a show stopper with the Xilinx Coolrunners?
> I have used them before and liked them. Really fast and they
> consume close to no power. I'd like to deploy them for something
> jitter-critical very soon.
> regards, Gerhard dk4xp
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Ulrich used Xilinx XC95108's for to implement the phase detector and 
associated dividers.
These are not Coolrunner CPLDs (dc current ~ 100mA)


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