meaning of the AA at the end of 5CEBA4F17I7NAA.

Hello,

The two highlighted suffix (2 trailing alphabets) denotes that they are for special customer. It is typically a running alphabet i.e. we use AA first, then followed by AB, AC, …. AZ, BA, BB, etc.

For more information on this you can access this link : https://www.intel.com/content/www/us/en/products/programmable/sample-ordering-codes.html

Regards,

Nazrul Naim