The part number EP2C20Q240I8N is correct ?

Hi Wang,

Yes, it is valid part number.

Cyclone ii device is available in both commercial and industrial grade.

Need to check the availability of desired part number form distributer.

Cyclone ii is not recommended for new designs.

Reference

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/cyc2/cyc2_cii5v1.pdf

https://www.intel.com/content/www/us/en/products/programmable/cyclone-series.html

Regards

Anand