>BTW, did you notice Maxim and Dallas
>Semi are on the same web site? Assume Maxim bought Dallas.
>Have not researched.

I had noticed. It also means that you can get samples of Dallas devices on
the same policy that Maxim have used for years. Also if you try to access
the old Dallas website it takes you to the Maxim one, so I think your
assumption is correct.

I have been following this thread and will relate an experience I had. in
the early 1980's I got involved with developing a scanned 7 segment display
as part of a project. It was at the time that "high efficiency" LEDs had
just been introduced. In trying to multiplex the display I found that I was
using smaller and smaller resistors to try and get the necessary current
through the segments. Eventually I ended up with n resistors in the circuit.
It seemed that the semiconductor processing to make the LED's more efficient
light producers had the effect of increasing the internal resistance of the
chip at high currents. I do not know if the project continued with this as I
left before it was finished, but I would hate to have seen the effect if the
micro that did the scanning failed.

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