DEC bus receiver chips

Noel Chiappa jnc at mercury.lcs.mit.edu
Sat Nov 19 09:32:17 CST 2016


So, I was glancing at pair of M784 Flip Chips, on early production, one late,
and I noticed that the early one used SP380A's (marked "DEC 380A"), and the
later one used DS8640's (marked "DEC 8640"), with the exact same PCB traces.
So probably the latter is an alternative for the former.

   Noel



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