ST19WL18

 ENHANCED 8 BIT CPU WITH EXTENDEDADDRESSING MODES
 112 KBYTES USER ROM WITHPARTITIONING
 4 KBYTES USER RAM WITHPARTITIONING
 18 KBYTES USER EEPROM WITHPARTITIONING including 128 BYTES USERand ST OTP AREA: Highly reliable CMOS EEPROMsubmicron technology Error Correction Code for single bit failcorrection within a byte 10 year data retention 500,000 Erase/Write cycles endurance 1 to 64 bytes Erase or Program in 2 ms
 SECURITY FIREWALLS FOR MEMORIES,MODULAR ARITHMETIC PROCESSOR andENHANCED DES ACCELERATOR.
 VERY HIGH SECURITY FEATURESINCLUDING EEPROM FLASHPROGRAMMING AND CLOCKMANAGEMENT.
 3x8 BIT TIMERS WITH INTERRUPTCAPABILITY
 HARDWARE SECURITY ENHANCED DESACCELERATOR WITH LIBRARY SUPPORTFOR SYMMETRICAL ALGORITHMS: DES, triple DES computations and CBCchaining mode...
 1088 Bit MODULAR ARITHMETICPROCESSOR WITH LIBRARY SUPPORTFOR ASYMMETRICAL ALGORITHMS Fast modular multiplication and squaringusing Montgomery method Software Crypto libraries in separate STROM area for efficient algorithm codingusing a set of advanced functions Software selectable operand length up to2176 bits.
 ISO 3309 CRC CALCULATION BLOCK
 FIPS 140-2 COMPLIANT RANDOMNUMBER GENERATOR WITH TWO GUNREGISTERS (Generators of UnpredictableNumber)
 2.7 V TO 5.5 V SUPPLY VOLTAGE
 EXTERNAL CLOCK FREQUENCY UP TO8 MHz
 HIGH PERFORMANCE PROVIDED USINGINTERNAL CLOCK FREQUENCY
 UNIQUE SERIAL NUMBER ON EACH DIE
 POWER SAVING STANDBY MODE
 CONTACT ASSIGNMENT COMPATIBLEISO 7816-2
 2SERIAL ACCESS I/O'S, ISO 7816-3COMPATIBLE
 ESD PROTECTION GREATER THAN 5000 V