General Description

The EM4035 is a CMOS integrated circuit intended for use in contactless Read/Write transponders. The EM4035 is completely ISO15693 compliant and is a member of ISO 15693 standard passive Read/Write RF tags operating at 13.56MHz.

The Chip contains an implementation of a crypto-algorithm with 96 bit of user configurable secret-Keys contained in EEPROM.

Features

■ ISO15693 Standard: Fully Compliant

■ Operating Frequency: 13.56MHz ± 7KHz

■ 64-bit Unique Identifier (UID)

■ 3.2K bit EEPROM organised in 50 words of 64 bits

■ Support Application Field Identifier (AFI)

■ Smart Electronic Article Surveillance (EAS)

■ On Chip Crypto-Algorithm

■ Mutual authentication using symetrical challenge / response exchange

■ Power-check for EEPROM write operation

■ Resonant capacitor integrated on chip 28pF or 95pF (selectable by mask option)

■ No external supply buffer capacitor needed

■ Very low Power consumption (no battery needed)

■ -40 to +85°C Temperature range

■ Bonding pads optimised for flip-chip assembly

Applications

■ High security hands-free access Control

■ Anti-counterfeiting

■ Ticketing

■ Asset management