I'm on a search for datasheets for some (obsolete) ICs. Some of these may go back to the 1970s...
I've tried
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the despammed data search at ef.algebra.com,
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GlobalSpec ... but have now got down to parts that don't seem to exist :)
Direct Googling for part numbers throws up endless companies offering to sell me these chips, some with the possibility of data if I agree a quote ...
I'm after any data search engines that would be able to produce data for the following, or alternatively if anyone has a PDF around for these, drop me an email/follow-up here.
UAA4001 SGS Thomson, Switchmode Chip NS405-B18 National Semiconductor, Display Chip MP3455NLL D8202A DMA Controller
96LS488DC National, GPIB COM7210 SMC, GPIB F681488 National, GPIB OMTI 20507 SMS/NCR OMTI 20505 SMS/NCR KT1135 Motorola Dual Baud Rate Generator MA872 MA853 SL9045 Plessey MA5036 SP620/A Plessey? Maybe DTL J-K FlipFlop RCA16177 SAB8289A Bus controller/arbiter MK5156J Mostek/SGS, A-Law Codec TBA550Q Video Chip TAA700 Video Chip UA785 Video Chip MCTM7817L SAB3012