thank you for your interest in NXP PCF7939FA. But kindly note this is the customer specific device. It means NXP produces that product for a specific company/customer based on a specific contract. All information is confidential. This is product cannot be ordered by mass market customers. You can check other secure car access products: https://www.nxp.com/products/security-and-authentication/secure-car-access:IDENTIFICATION-SECURITY-A...
