"Peter C. Wallace" <pcw_at_mesanet.com>:
> There was non-integrated RTL and DTL logic before ICs not sure about non
> integrated TTL...
I don't think non-integrated TTL is even possible using
standard parts. It relies on multiple-emitter transistors,
and I've never heard of anyone making those available
discretely.
Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury, | A citizen of NewZealandCorp, a |
Christchurch, New Zealand | wholly-owned subsidiary of USA Inc. |
greg_at_cosc.canterbury.ac.nz +--------------------------------------+
Received on Wed Oct 31 2001 - 18:40:11 GMT