Univac panel and mystery TTL chips

[Bryan Blackburn]

> appear to have a seven digit part number instead of a regular 74xxx 
> stamp. Is there a translation guide between this seven digit number and 
> regular 74xxx numbers?  Most of the 74xxx parts on the board also have 
> these seven digit numbers.

Years ago (1978), I picked up a chip cross reference print from 
Honeywell Surplus in Phoenix AZ. Looks like the numbers just might cross 
correctly for you. The list can be downloaded from my archive at:

http://www.bytecollector.com/archive/info/

Enjoy!

-Bryan