MIFARE Classic
MIFARE Classic RF Interface (ISO/IEC 14443 A)
Operating distance: Up to 100mm
Operating frequency: 13.56 MHz
Data transfer: 106 kbit/s
Data integrity: 16 Bit CRC, parity, bit coding, bit counting
Typical ticketing transaction: <100 ms (including backup management)
EEPROM
MIFARE Classic 1K - 1 Kbyte, organized in 16 sectors with 4 blocks of 16 bytes each (one block consists of 16 byte)
MIFARE Classic 4k - 4 Kbyte, organised in 32 sectors with 4 blocks and 8 sectors with 16 blocks (one block consists of 16 bytes)
User definable access conditions for each memory block
Data retention of 10 years
Write endurance 100.000 cycles
Security
Mutual three pass authentication (ISO/IEC DIS 9798-2)
Individual set of two keys per sector (per application) to support multi-application with key hierarchy
Unique serial number for each device
A picture of the MIFARE Classic 1K thin keyfob is shown below.
Manufacturer: NXP