First post, by Moogle!
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Member
Found this earlier, thought you guys might be interested. Good price too. As always, not affiliated.
https://www.ebay.com/itm/INTERSIL-CS80C286-25 … 7IAAOSwpCpZsVB7
Edit: And yes, they are 5 volt. https://www.intersil.com/content/dam/Intersil … 80c2/80c286.pdf