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 Forum index » DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson
mfos 16 step sequencer
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Pitre



Joined: Feb 09, 2017
Posts: 2
Location: Louisiana

PostPosted: Mon Mar 20, 2017 8:45 pm    Post subject: mfos 16 step sequencer Reply with quote  Mark this post and the followings unread

Hello everyone,
I have ordered all the components to build the MFOS 16 step sequencer. All but the CD 4067.
I have done much research, enough to fry my brain. But the web sited that do offer it say that the chip is discontinued. I also cannot find a chip to use in its place.
I am asking you all as a last resort because I know some forums frown upon people asking with out doing there research. But like i said, Im kind of at a loss.
Thanks, and i'm excited to be part of the community!
Clint
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haebbmaster



Joined: Aug 27, 2016
Posts: 6
Location: Windenreute, Germany

PostPosted: Tue Mar 21, 2017 12:00 am    Post subject: Reply with quote  Mark this post and the followings unread

try it here

http://www.ebay.de/itm/5x-CMOS-4067-Multiplexer-Demultiplexer-16-Kanal-C-MOS-IC-DIP24-/111411205551

https://www.buerklin.com/de/logik-baustein-cmos/p/61s2810
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haebbmaster



Joined: Aug 27, 2016
Posts: 6
Location: Windenreute, Germany

PostPosted: Tue Mar 21, 2017 12:06 am    Post subject: Reply with quote  Mark this post and the followings unread

what about a CD74HC4067?
it's SMD, but there are adapters
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Pitre



Joined: Feb 09, 2017
Posts: 2
Location: Louisiana

PostPosted: Tue Mar 21, 2017 10:07 am    Post subject: Reply with quote  Mark this post and the followings unread

i actually ordered 10 SMD 4067 from Arrow Electronics by accident. I didn't realize they made adaptors. I will defiantly research that.
As far as eBay, do you order much from sellers on there? Seems a lot of fakes floating around on eBay.
Thanks for the help Haebbmaster!!
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haebbmaster



Joined: Aug 27, 2016
Posts: 6
Location: Windenreute, Germany

PostPosted: Tue Mar 21, 2017 10:55 am    Post subject: Reply with quote  Mark this post and the followings unread

I order from Ebay and Aliexpress.
I had only one problem where the seller didn't deliver and kept the money. 50 Euros gone. I learnt the hard way to look at the feedback ratings before buying something, it was all there ...
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AlanP



Joined: Mar 11, 2014
Posts: 348
Location: New Zealand
Audio files: 20

PostPosted: Tue Mar 21, 2017 10:00 pm    Post subject: Reply with quote  Mark this post and the followings unread

The 74HC4067 has a maximum Vcc of 10V, 11 at a pinch. The MFOS schematic supplies 12V -- you'll have to cut the trace on the existing board, and jerry-rig 10V into it somehow. (The Vsrc circuit supplies 7.5V.)

You might also need protection on the logic inputs, as well.

Easier to ebay a CD4067.
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