Eurochip 77

Short Product Information

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2001-12-21

• Programming Unit

The programming voltage for the EEPROM/PROM is generated internally.

• Backup Unit

An associated backup bit indicates an interrupt caused by e.g. tearing a card out of a reader

without mechanical locking device during a reloading cycle of a devaluated counter stage.

Note: The counter tearing protection may be disabled by mask option

• Authentication Unit

The secret algorithm offers a challenge & response procedure for individual card authentication

fully compatible with Eurochip Family.

The optional activation of cipher block chaining allows the certification of a counter decreasing

procedure and is fully compatible with Eurochip Family.

• Card-Trash mechanism

Physical blocking of chip functions such as authentication and generation of programming

voltage.

• Security Interface

Ensures a minimum and a maximum frequency and proper logical voltage levels.

3

Migration

Member of Infineon’s Telecom ICs family.

IMEM technology offers sophisticated security features compared to NMOS technology. Due to

different electrical characteristics (e.g. power consumption) an acceptance test in the terminals is

recommended.

Identification and Counter fully functional compatible with existing members of Eurochip Family and

SLE 4406S/06SE products for easy upgrade to higher security levels.

Use of authentication is optional and controlled by the terminal. This allows smooth upgrade of the

terminals with a Security Module (SAM).