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 Forum index » DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta
Buffered and unbuffered
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astroman



Joined: Sep 13, 2012
Posts: 44
Location: UK

PostPosted: Tue Jul 16, 2013 2:27 pm    Post subject: Buffered and unbuffered Reply with quote  Mark this post and the followings unread

Can anyone tell me the difference in simple terms Embarassed

I have some UB chips and wondering if anything different needs to be done
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Blue Hell
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Joined: Apr 03, 2004
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Location: The Netherlands, Enschede
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PostPosted: Tue Jul 16, 2013 3:04 pm    Post subject: Reply with quote  Mark this post and the followings unread

Buffering adds some amplification making the chips more digital, and a bit slower ... the drive capability (into external circuitry) of the unbuffered ones will be lower too.

Unbuffered will work better when you want to make analog like functions with the ports. Buffered ones cause less headaches in complicated digital circuits.

The wiki entry on it is not too bad : http://en.wikipedia.org/wiki/4000_series

For Lunettas unbuffered could be quite useful.

Special precautions ... not that I know.

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