[time-nuts] Source of Maxim/Dallas DS1620 rev D chips (was High resolution temperatur sensor ?)

Peter Loron peterl at standingwave.org
Tue Aug 31 04:45:39 UTC 2010


On Aug 30, 2010, at 12:43 AM, Sylvain RICHARD wrote:

> Le 29/08/2010 13:21, Peter Krengel wrote:
>> Hi group
>> 
>> watching tbolts disciplining it shows that is has a low resolution temperatur
>> sensor only which can be replaced by a high res. one.
>> Is there any document what typ it is and how to change it?
>> 
>> Thank you
>> 
>> regards
>> Peter, DG4EK
>>   
> 
> Peter,
> 
> If the 'bay is your thing, go for item #110577237095. I bought a couple from this French seller and they are rev D which unlike rev E are supposed to work in the thunderbolt. That's because dallas/maxim changed protocols for high resolution temperature readings while the thunderbolt firmware was not updated. I haven't gotten around to do the mod yet but it should be simple enough.
> 
> The seller wrapped them in alu foil plus some foam and cardboard.
> 
> Good luck,
> 
> -- 
> Sylvain RICHARD

Alternately, I have a large quantity of DS1620S rev C chips.  $1.99 ea + shipping. Yes, I ship worldwide.

http://standingwave.org/webdav/maximdsst-1264178984-1808.jpg

-Pete


More information about the time-nuts mailing list