SCS152-I/WF Datasheet - Microchip Technology

DESCRIPTION
The SCS152 is a third generation token card integrated circuit intended for prepaid applications. Typical applications of the SCS152 include disposable telephone cards, vending machine cards, low value debit cards, access control, and authentication.

FEATURES
• ISO 7816-3:1989 “Answer to Reset” compatible for synchronous cards
• Industry standard 4406 command set compatible
• Extended commands:
    - Combined WRITE and ERASE-WITH-CARRY function
    - Cryptographic signature of the EEPROM contents and challenge
• 40-bit user programmable area with lock bit
• 64-bit cryptographic key
• 64-bit transport code
• 33352 token units (788888)
• Internal protection against token counter value corruption (anti-tearing)