DESCRIPTION
The ST16SF48, 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.

■ 8 BIT ARCHITECTURE CPU
■ 16 KBytes of USER ROM, SECTOR COMBINATIVE
■ 1.5 KByte of SYSTEM ROM
■ 384 Bytes of RAM
■ 8176 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