Trying to get through my vintage IC inventory and I find it takes a day to go through one box. Discovered some interesting prime Intel parts. The 7220-1 is a Bubble Memory Controller in a 40-Pin CERDIP package. Probably vintage 1981. Also the C3211 and C3210XA are old parts and I have no idea what they do?
The Silicon Systems SSI 210 is a Integrated DTMF Receiver vintage 1980 in Gold White or Purple CERDIP 22-Pin package. Also I have it in standard CERDIP.
Like to know more about these parts? Please send input along such as what the Bubble Controller was used with?
See you at acpsurplus.com.
Dave
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