William Maddox wrote:
> I thought that 74F series parts were generally replacements for 74S
> parts. Is this incorrect? A more serious concern is that the parts
> that have been recently produced seem to be simpler glue logic, bus
> transceivers, etc. Many of the nice functional blocks used for building
> CPUs were dropped from manufacturers catalogs years ago, and many were
> never even offered in the more recent logic families. Take, for
> instance, the 74172, an 8x2 dual-ported register file used in the Data
> General Nova 2.
You can still GET that at
http://www.unicornelectronics.com/ but just what
is stock on hand is all that is left. They have some 74S and 74H too.
Ben.
Received on Tue Nov 16 2004 - 15:04:28 GMT