[time-nuts] lunatic fringe time standards

Chuck Harris cfharris at erols.com
Mon Apr 19 21:09:36 UTC 2010

Here is a link to a datasheet for the uL923:


Ah the old days!  Why is it old semiconductor devices seem much more ancient than
old vacuum tube devices?

-Chuck Harris

Rob Kimberley wrote:
> I stand corrected. On reflection, I seem to remember a lower supply voltage
> on the RTL, although 3.6 doesn't ring a bell. Do remember that it was very
> temperamental logic family. Used to get lots of catastrophic failures on the
> DMM product range (which I believe SD acquired from Fairchild).
> Rob

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