----- Original Message ----- From: "Ethan Dicks" <firstname.lastname@example.org> > On Thu, Feb 16, 2012 at 12:37 PM, Rob Clarke <email@example.com> > wrote: >> Wow - so many options. I like the option of a single chip solution from >> Gerrit as it doesn't require opening the PSU or attaching or hooking up >> to >> mains voltages. Incidently, the MAX machine used a 555 to generate the >> TOD >> signal, as Uz speculated. > > There used to be an 8-pin DIP that was commonly used in the 1970s for > generating 60Hz using a 32768Hz watch crystal. -- Well, there's the MM5369, although it uses a 3.58 MHz TV crystal like the ELM part that Gerrit pointed to. A lot of other unique and interesting ICs at Elm as well, albeit a little on the pricey side (especially with shipping); thanks for the link, Gerrit. Message was sent through the cbm-hackers mailing listReceived on 2012-02-16 19:00:08
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