On a sunny day (Fri, 01 Feb 2013 13:17:42 GMT) it happened Jan Panteltje
wrote in :


OK, but that is actually an integrated circuit.
Just mis-labeled 'transistor'.
:-)

PS,
some of us here will remember RTL logic.
That was pretty much like that, but more transistors to make gates, and output R too.
Integrated circuits.