The Mostek MK 5017 is an integrated circuit from the early 1970's
that provides a multiplexed six-digit clock output as well as
It was used in the Heathkit GC-1005, GC-1092A and GC-1092D
digital clocks, as well the Corvus 305 calculator/clock
and many other timekeeping and alarm devices.
If you have spare MK5017 chips that are gathering dust, please send me an e-mail. I can put them to good use!
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Updated September 22, 2014