On Tue, Feb 14, 2017 at 2:04 PM, Baltissen, GJPAA (Ruud) <email@example.com> wrote: > Hallo Frank, > > >> What is the 7801 replacement? > > Jens Schönfeld, Individual Computers, Germany, IIRC. never heard of, I'll take a look > > >> I have a working replacement with multiple chips (not using rare or out of production one) > > Schematic, please? well, give me time to test it well enough, then I'll release the full schematic. Basicly: oscillator 74HCU1G04, 74HC9046 VCO/PLL, 74HC93, 74HC74 as dividers. I'm giving priority to the single CDCE913 solution since it will be much smaller and only requires 3V3 and 1V8 external supply regulators. Frank Message was sent through the cbm-hackers mailing listReceived on 2017-02-14 14:00:02
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