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Digi has the -7N avaliable, which should be fine although more expensive and lead free. Arrow reps altera as well(arrownac.com) although they don't have stock of the -10 either.
http://www.altera.com/corporate/contact/sales/na_distis/con-na_distis.htmlI assume, you wanted a 5V CPLD. There aren't much alternatives now. As the price clarifies, MAX7000S is clearly legacy. I think, the last time, I used it 9 years ago in a design. It's better to use recent devices, even if level converters are needed sometimes. 5 V tolerant MAX3000 is the right choice for designs that still involve 5V, for the time being. I guess, you know the current prices yourself.
