256-byte encryption card, there is operations of read data, write data, protect data, and cryptographic, 
    SLE4428 
    1024 byte of encryption card, there is operations of read data, write data, protect data, and cryptographic. 
    SLE4404 

    416 bit, two level encryption SLE4418 
    1 kbyte, with write-protected. 
    SLE4432 
    256 byte, with write-protected. 

    Atmel chip model 

     Brief description: 
　　 AT24C01A 
　　 128 byte non-encryption card, there is only read and write operations. 
　　 AT24C64 
　　 8192-byte non-encryption card, there is only read and write operations. 
　　 AT88SC102 
　　 1024-byte logical encryption card, there is operations of read and write, erase, password, bit      controlling. 
　　 AT88SC1604 
　　 16K bit logical encryption card, there is operations of read and write, password, erase and fuse. 
　　 AT45D041 
　　 540,672 bytes non-encryption card, there is only read and write operations. 
　　 AM4442 
　　 256-byte encryption card, there is operations of read data, write data, protect data and      cryptographic. 
　　 BL7430E 
　　 Memory chip is located in SLE4405E (SIEMENS) 104 byte EEPROM smart counter. 
　　 PHILIP chip model 
　　 Brief description 
　　 Mifare One 
　　 1K bytes, 16 sectors, 4 blocks of each sector , two keys control read and write, 16 bytes of each block
　　 Mifare light 
　　 Capacity is 384 byte, divided into 12 pages, 4 bytes each page, 128 bits data area. 
　　 Fudan-chip models 

     Brief description: 
　　 FM4442

     Memory chips use 0.6 micron CMOS EEPROM technology, the capacity is 256 × 8BitEEPROM, with write protection and security code authentication function. Peripheral interface follows the ISO7816 agreement standard (synchronous transmission), can be widely used in various types of IC memory card.
　　 FM4428

     Memory chips use 0.6 micron CMOS EEPROM technology, the capacity is 1K × 8BitEEPROM, with write protection and security code authentication functions. Peripheral interface follows the ISO7816 agreement standard (synchronous transmission), can be widely used in various types of IC memory card.

    Bei Ling-chip models
     Brief description:
     BL7442
     Memory chip is compatible with SLE4442 (SIEMENS) 2K-bit EEPROM encryption memory, widely used in various types of electronic consumer cards, phone cards, taxi cards and other consumer areas, suitable to business electronics consumer cards, campus card, dining card, attendance card, check card, door cards, management card.
　　 BL7448

     Memory chips is compatible with SLE4428 (SIEMENS) 8K bit encrypted EEPROM memory, widely used in various types of electronic consumer cards, phone cards, taxi cards and other consumer areas. Applicable to the traffic management card, tax management card, health card, utility management cards