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Component Availability [message #5978] Wed, 20 February 2019 09:10 Go to next message
coolbear is currently offline  coolbear
Messages: 12
Registered: February 2019
Junior Member
I decided to restart a project that has been languishing for a couple of months now and get started on the KISS-68030. This is a seriously cool design and I'm pretty excited to get going. Right off the bat, I started to check on availability on all of those 74FxxxA parts and discovered that I might have better luck looking unicorns. Almost none of these are stocked by my usual sources: Jameco/Mouser/Digikey. A few, but not all, of them can be found on ebay but that's not my favorite source. So, where are other people finding these?

Re: Component Availability [message #5979 is a reply to message #5978] Wed, 20 February 2019 09:39 Go to previous message
jcoffman is currently offline  jcoffman
Messages: 293
Registered: October 2015
Senior Member
The hardest part to find for the KISS-68030 is the 74F133. There are listings on eBay, and a good bit of price gouging. This is a $1 - $1.50 part. Don't pay more.

UTSource, very active on eBay until the recent Trump trade fuss, is a very reliable supplier in China (utsource.net).

Note: the KISS address multiplexor may be any of 74F157/158/257/258.

I was also going to suggest Unicorn Electronics, but they seem to have discontinued their lines of 74?xx IC's.

--John
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