Chip vs Chip
NTAG 424 DNA vs ST25DV
NTAG 424 DNA offers 256 bytes memory with AES-128 + SUN authentication security, making it ideal for product authentication, anti-counterfeiting, secure access. ST25DV provides 4-64 Kbit with 64-bit password + configurable areas security, suited for IoT sensors, smart labels, energy harvesting, BLE pairing.
NTAG 424 DNA
제품군NTAG
메모리416 bytes (user: 256 B)
가격$0.250 – $0.550
ST25DV
제품군ST25
메모리4096 bytes (user: 4096 B)
가격$0.400 – $1.000
추천
Choose NTAG 424 DNA when you need dynamic URL authentication without an app; choose ST25DV when you need dual-interface (NFC + I2C) with energy harvesting.