19 May
2005
19 May
'05
1:43 p.m.
It is likely they are Fairchild's version of the 1101.
I just checked my 1969 catalog, and their other MOS parts
were in the 3xxx range (they hadn't started making RAM then
though). Will try to find a catalog in the
pre '75 range (they appear to have gone out of production
by 75)