Chip vs Chip
MIFARE DESFire EV1 vs ST25DV
MIFARE DESFire EV1 offers 2-8 KB memory with 3DES + AES-128 security, making it ideal for transit, campus cards, access control. ST25DV provides 4-64 Kbit with 64-bit password + configurable areas security, suited for IoT sensors, smart labels, energy harvesting, BLE pairing.
MIFARE DESFire EV1
제품군MIFARE
메모리2048 bytes (user: 1760 B)
가격$0.500 – $1.200
ST25DV
제품군ST25
메모리4096 bytes (user: 4096 B)
가격$0.400 – $1.000
추천
Choose MIFARE DESFire EV1 when you need flexible file system with strong encryption; choose ST25DV when you need dual-interface (NFC + I2C) with energy harvesting.