[time-nuts] lunatic fringe time standards

Chuck Harris cfharris at erols.com
Mon Apr 19 12:56:46 EDT 2010

DTL had essentially the same specs as TTL.  It was an evolutionary step.

RTL was a strange beast, and ran off of 3.6V.  There is no inherent reason
that there couldn't have been multiple families that used different supplies,
but I only remember the 3.6V variety.

-Chuck Harris

Rob Kimberley wrote:
> RTL and DTL used 5.0V. I used to service Systron-Donner kit back in the
> early 70's, and we had a bunch of RTL and DTL stuff.
> Rob K

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