MIFARE DESFire 2k 简称 MF3 IC D21 也叫 D21 薄卡 CPU卡 智能卡
存 储 器：2048 byte
擦 写：50万次
数据保持：10年
内存结构：flexible file system
Acca.to ISO 14443A：yes-up to layer 4
频 率：13.56MHz
波 特 率：106…848 kbit/s
Anticollision：bit-wise
操作距离：100mm
唯一序列号：7byte
Random Number Generator：yes
访问密钥：14 keys per application
存取条件：页
Anti-tear supported by chip：yes
多区应用：28 applications,MAD3***
钱包功能：Value file
传递安全：512 byte read，128 byte write
交易时间：89ms


Key features
Fully ISO/IEC 14443 type A 1 to 4 compliant
8 KB EEPROM with fast programming1
Secure, high-speed command set
Flexible file structure
Anti-collision
Unique 7-byte serial number (ISO cascade level 2)
Data integrity: CRC and bit counting on physical layer
Open DES/3DES crypto algorithm in hardware
Open AES128 crypto algorithm in hardware
Based on NXP advanced 0.14 mm NV technology
Fast data transfer: 106 kbit/s, 212 kbit/s, 424 kbit/s, 848 kbit/s
Functional backward-compatibility to MF3ICD40
Composite CC EAL 4+ certification

Applications
Advanced public transportation
High secure access control
Event ticketing
eGovernment
Identity