Chip vs Chip
MIFARE Classic 1K vs ST25DV
MIFARE Classic 1K offers 1024 bytes memory with Crypto-1 (broken) security, making it ideal for legacy transit cards, access control (legacy systems). ST25DV provides 4-64 Kbit with 64-bit password + configurable areas security, suited for IoT sensors, smart labels, energy harvesting, BLE pairing.
MIFARE Classic 1K
제품군MIFARE
메모리1024 bytes (user: 752 B)
가격$0.080 – $0.180
ST25DV
제품군ST25
메모리4096 bytes (user: 4096 B)
가격$0.400 – $1.000
추천
Choose MIFARE Classic 1K when you need massive installed base, widely available; choose ST25DV when you need dual-interface (NFC + I2C) with energy harvesting.