Early Fairchild Sentry scrapped, early TTL IC's worth preserving ?
cclist at sydex.com
Thu Nov 4 17:44:08 CDT 2010
On 4 Nov 2010 at 18:35, William Donzelli wrote:
> Very few TTL chips are actually rare, so the boards are probably more
> important whole than as parts. MECL III parts (MC16xx) are getting a
> little scarce, however. MECL I and II are getting very scarce, but by
> 1974 they were obsolete and out of fashion.
9400 series Fairchild TTL Macrologic chips are fairly uncommon, but I
don't know if this design used them.
More information about the cctech