DESCRIPTION

The ST16SF42, a member of the standard ST16 device family, is a serial access microcontroller especially designed for high volume and cost competitive Smartcard applications where firmware security algorithm must be implemented.

The ST16SF42 is based on 8 bit CPU core and includes on chip memories: 384 Bytes of RAM, 16 KBytes of USER ROM, 1.5 KByte of SYSTEM ROM, and 2048 Bytes of EEPROM.

■ 8 BIT ARCHITECTURE CPU

■ 16 KBytes of USER ROM, SECTOR COMBINATIVE

■ 1.5 KByte of SYSTEM ROM

■ 384 Bytes of RAM

■ 2048 Bytes of EEPROM, SECTOR COMBINATIVE

– Highly reliable CMOS EEPROM technology

– 10 year data retention

– 300,000 Erase/Write cycle endurance

– Protected One Time Programmable block (32 or 64 bytes)

– 1 to 32 bytes block either Erase or Write in single cycle programming

■ EXTENDED VOLTAGE OPERATION

– VCC Range: 2.7V to 5.5V

■ SERIAL ACCESS, ISO 7816-3 COMPATIBLE

■ POWER SAVING STANDBY MODE

■ UP TO 5 MHz INTERNAL OPERATING FREQUENCY

■ VERY HIGH SECURITY FEATURES INCLUDING EEPROM FLASH ERASE

■ CONTACT ASSIGNMENT COMPATIBLE ISO 7816-2

■ ESD PROTECTION GREATER THAN 5000V

■ MEETS GSM 11.11 AND 11.12 SPECIFICATIONS

■ 2 OPERATING CONFIGURATIONS

– ISSUER

– USER