Smart cards have become the retail industry, identification, access control, transportation, finance and other industries have been widely used, the rapid development of Smart cards, has gradually outlawed the magnetic stripe card, magnetic stripe cards are easy to be copied, so the current financial industry has been gradually replaced by Smart IC cards.

Smart Chip overview: end face can be made with friction lining and friction material layer into one metal Chip or non-metal Chip.

   Smart card Chip classification.

   SLE 4428

   Storage capacity: encrypted memory card, 1K bytes

   Features: card always readable, write the card must pass the password verification, 2-byte programmable password, password error count value of 8, the entire card can be written to protect

   Production standard: ISO 7816

   Applications: medical insurance, data storage, internet cafe charges, highway tolls, e-purse

   SLE 5542 (SLE4442 upgrade)

   Storage capacity: encrypted memory card, 256 bytes

   Features: card always readable, write card must pass password verification, 3-byte programmable password, password error count value of 3, can write protection for the first 32 bytes of the card

   Production standard: ISO 7816

   Applications: medical insurance, data storage, internet cafe charges, highway tolls, e-wallets

   Philips Mifare 1 S50

  Storage capacity: 8Kbit, 16 sectors, 4 blocks per sector, 16 bytes per block, block as access unit, each sector has a separate set of password and access

  Control, with 32-bit global unique serial number

  Operating frequency: 13.56MHZ

  Communication speed: 106kbps

  Reading and writing distance: 2.5-10CM

  Production standard: ISO 14443

  Applications: enterprise/campus card, bus card, highway toll, parking lot, community management, e-purse

  Philips Mifare S70

  Storage capacity: 32Kbit, 40 sectors, of which 32 sectors of 64 bytes per sector capacity, divided into 4 blocks, each block of 16 bytes; 8 sectors of 256 bytes per sector, divided into 16 blocks, each block of 16 bytes, to block as the access unit, each sector has an independent set of password and access control, with a 32-bit global unique serial number

  Operating frequency: 13.56MHZ

  Communication speed: 106Kbps

  Reading and writing distance: 2.5-10CM

  Production standard: ISO 14443

  Application scope: high capacity requirements of the campus card, city card, electronic wallet

  ATMEL T5567 (original T5557 upgraded version)

  Storage capacity: 330bit, 10 partitions, each partition 33bit, 8-bit password

  Operating frequency:125KHZ

  Read-write distance: 3-10CM

  Production standard.

  Applications: inductive intelligent door locks, enterprise one-card system, access control, channel system

  13、EM4001 ID card

  Operating frequency: 125KHZ

  Reading and writing distance:2-15CM

  Application scope: identification, attendance system, access control system, property identification

  SLE 4442

  Storage capacity: encrypted memory card, 256bit,

  Features: card always readable, write card must pass password verification, 3-byte programmable password, password error count value of 3, can be the first 32 bytes of the card 

Write protection for the first 32 bytes of the card

  Production standard: ISO 7816

  Applications: medical insurance, data storage, internet cafe tolls, highway tolls, e-purse

  CPU card

  Storage capacity: 8K, 16K, 32K, etc.

  Features: self-contained Chip operating system (COS), high security performance, customizable card file structure, large capacity, fast speed, and support for multiple uses of one card.

  Production standard: ISO 7816

  Applications: finance, social security, government, cell phone SIM card, PSAM card, identity authentication, e-purse