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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Datasheet wanted for Mostek MK50253N alarm clock IC
I hope this group is an appropriate place to post this. I am trying to
get a datasheet for the Mostek alam clock IC MK50253N, produced in the mid '70s. Mostek seem to have gone out of business in the '80s, and a couple of online datasheet archive sites list the device, but don't have a datasheet. Does anyone out there have one they could copy or scan for me please? |
#2
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Datasheet wanted for Mostek MK50253N alarm clock IC
wrote: I hope this group is an appropriate place to post this. I am trying to get a datasheet for the Mostek alam clock IC MK50253N, produced in the mid '70s. Mostek seem to have gone out of business in the '80s, and a couple of online datasheet archive sites list the device, but don't have a datasheet. Does anyone out there have one they could copy or scan for me please? Our data book scanning project has 7 Mostek data books included in the next update. I hope its the right one, I'll check the other books if not: http://www.datasheetarchive.com/Mostek50250Series.pdf Best Regards DatasheetArchive Admin |
#3
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Datasheet wanted for Mostek MK50253N alarm clock IC
Fantastic - thanks for such a quick and positive response!
TTFN, Peter |
#4
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Datasheet wanted for Mostek MK50253N alarm clock IC
wrote in message
ups.com... I hope this group is an appropriate place to post this. I am trying to get a datasheet for the Mostek alam clock IC MK50253N, produced in the mid '70s. Mostek seem to have gone out of business in the '80s, and a couple of online datasheet archive sites list the device, but don't have a datasheet. Does anyone out there have one they could copy or scan for me please? I thought Mostek only did memory ICs not consumer stuff -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ |
#5
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Datasheet wanted for Mostek MK50253N alarm clock IC
I thought Mostek only did memory ICs not consumer stuff Not sure, the 7 data books cover: 4 x Memory Data Books and Design Guides 2 x Industrial Products Data Books 1 x 3870/F8 Microcomputer Data Book |
#6
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Datasheet wanted for Mostek MK50253N alarm clock IC
Did any of the Heathkit clocks use it? Manuals are available for them, at at least you'll get the pinout. I still have my GC-1005 (MK5017 chip) from the early 1970s, and the seconds digit has been blinking erratically for about the past 30 years. |
#7
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Datasheet wanted for Mostek MK50253N alarm clock IC
Thanks for the thought. Our messages must have crossed - the chaps at
datasheetarchive.com came up trumps with the real thing. Yes, I think I have a dry joint on mine somewhere, as it is a bit erratic. |
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