Here are a few key chip options I found that may interest you based on your search: The Car Key PCF7947 Chip 433 Frequency For Renault Megane for R339 and Car Remote Key Head With ID48 Chip For Volkswagen for R329 both contain the key chips you asked about. The chips are designed to work with the specific car models listed so would allow cutting a replacement car key. Let me know if you need a chip for a particular vehicle make and model and I'd be happy to check prices further. I hope these suggestions are helpful in your search! Please reach out if you have any other questions.
