Chip vs Chip
MIFARE Ultralight EV1 vs ST25DV
MIFARE Ultralight EV1 offers 128 bytes memory with 32-bit password security, making it ideal for limited-use transit tickets, loyalty tokens. ST25DV provides 4-64 Kbit with 64-bit password + configurable areas security, suited for IoT sensors, smart labels, energy harvesting, BLE pairing.
MIFARE Ultralight EV1
제품군MIFARE
메모리80 bytes (user: 48 B)
가격$0.040 – $0.120
ST25DV
제품군ST25
메모리4096 bytes (user: 4096 B)
가격$0.400 – $1.000
추천
Choose MIFARE Ultralight EV1 when you need improved Ultralight with password protection; choose ST25DV when you need dual-interface (NFC + I2C) with energy harvesting.