[time-nuts] T-Bolt Temperature
golgarfrincham at yahoo.com
Thu Aug 16 22:37:14 EDT 2012
>Do you know the part number of a chip to replace the DS1620?
The part number is the same, DS1620. What is important is the
revision of the DS1620. When Dallas Semiconductor/Maxim
'improved' the chip and went from REV-D (or D2) to REV-E they
made a change in the way the data was sent to the outside world.
Lady Heather displays the temperature from REV-E chips in
distinct step instead of a smooth curve.
I have used REV-C2 chips as replacement and they work just
fine. Note the chip revision has little or nothing to do with the
Trimble REV letter on the outside of the Thunderbolt case, the
latest Thunderbolt revision from 2005 just happens to be a
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