MF1SPLUS6001DA4/03 Datasheet PDF - NXP Semiconductors.

General description
Migrate classic contactless smart card systems to the next security level! MIFARE Plus brings benchmark security to mainstream contactless smart card applications. It is the only mainstream IC compatible with MIFARE Classic 1K (MF1ICS50) and MIFARE Classic 4K (MF1ICS70) which offers an upgrade path for existing infrastructures and services.

FEATUREs and benefits
2 kB or 4 kB EEPROM
Simple fixed memory structure compatible with MIFARE Classic 1K and MIFARE Classic 4K
Memory structure identical to MIFARE Classic 4K (sectors, blocks)
Access conditions freely configurable
Supports ISO/IEC 14443 Type A1 UIDs (4-byte UID, 4 Byte NUID, 7-byte UID), optional support of random IDs
Multi-sector authentication, Multi-block read and write
AES-128 used for authenticity and integrity
Anti-tearing mechanism for writing AES keys
Keys can be stored as MIFARE CRYPTO1 keys (2 × 48-bit per sector) and as AES keys (2 × 128-bit per sector)
Basic support of virtual card concept
Communication speed up to 848 kbit/s