Mostek MK6049P - any idea?

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vksnr



Joined: 02 Feb 2005
Posts: 17
Location: Grand Junction, Colorado

PostPosted: Sun Feb 06, 2005 1:24 am    Post subject: Mostek MK6049P - any idea? Reply with quote

Anyone know what this is? I read someplace that the 6xxx numbers were chips that were done to a customer's special order, is that true?



Thanks,

VKsnr
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Elar



Joined: 16 Jul 2003
Posts: 746
Location: Tallinn, Estonia

PostPosted: Sun Feb 06, 2005 5:21 am    Post subject: Reply with quote

It's from Hammond organ, possibly from model 125XL.

http://www.zeni.net/pipermail/hammond/2004-January/035903.html
http://groups.google.com/groups?q=hammond+mostek&hl=et&lr=&selm=Dieter.Zahel.1i8fvm%40news.diybanter.com&rnum=2
http://groups.google.com/groups?q=hammond+mostek&hl=et&lr=&selm=5d9421f6.0408271248.507cc0c7%40posting.google.com&rnum=3
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vksnr



Joined: 02 Feb 2005
Posts: 17
Location: Grand Junction, Colorado

PostPosted: Sun Feb 06, 2005 9:25 am    Post subject: Reply with quote

Thanks!

VKsnr
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PostPosted: Tue Feb 22, 2005 2:49 pm    Post subject: Reply with quote

MK6xxx denotes a custom part... It's probably a frequency divider of some kind, given its use in the organ's tone generator board.

- c.webster
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chip68



Joined: 19 Oct 2004
Posts: 1024
Location: Central Pennsylvania

PostPosted: Tue Feb 22, 2005 2:52 pm    Post subject: Reply with quote

That last post was mine. Forgot to sign in.

Here's a link with some additional Mostek info:

http://www.datamath.org/Mostek_IC.htm


- c.webster
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Doppler



Joined: 12 Apr 2025
Posts: 1

PostPosted: Sat Apr 12, 2025 3:47 am    Post subject: Reply with quote

MK6049P is a Hammond organ Keyer-Divider IC, Hammond part #075-429
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PostPosted: Thu Nov 13, 2025 10:50 am    Post subject: Reply with quote

Do you have a picture of the chip?
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