ST23YL18 Smartcard MCU with enhanced security, crypto-processor and 18 Kbytes EEPROM Data Brief Features ST23YL18 major applications include: ■ Banking, IT and Pay TV applications Hardware features ■ ■ ■ ■ ■ Enhanced 8/16-bit ST23 CPU core with 16 Mbytes linear addressable memory 196 Kbytes User ROM 4 Kbytes User RAM 2 Kbytes NESCRYPT RAM 18 Kbytes User EEPROM including 128 Bytes User OTP area: – Highly reliable CMOS EEPROM submicron technology – 10-year data retention – 500,000 Erase/Write cycles endurance typical at 25° C – 1 to 64 Bytes Erase or Program in 1.
5 ms NESCRYPT crypto-processor for public key cryptography Three 8-bit timers with watchdog and interrupt capability 3V and 5V s...

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