The HMOS CIAs with NMOS number can easily be recognized by the "206" or "216" marking - depending if it's actually a 8521R0 or 8521R1 inside. On 30.08.23 15:36, silverdr_at_srebrnysen.com wrote: > >> Yeah, /me too. And I know they're functinally the same but as we know CSG did various things with the numbering like marking the HMOS CIAs with NMOS number. Although doing it the other way around (like putting 8500 on a 6510) would make even less sense I guess ;-) >>Received on 2023-08-30 17:00:03
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