The ST23YL18 is a smartcard MCU from ST with enhanced security, a crypto-processor and 18 Kbytes EEPROM. It is mainly used in banking, IT and pay-TV applications.
The ST23YL18 is a serial access microcontroller designed specifically for secure smartcard applications in banking, IT, and Pay TV sectors. It utilizes an enhanced 8/16-bit CPU core with significant memory resources, including User ROM, RAM, and EEPROM.
Key hardware features include an active shield, environmental parameter monitoring, and robust protection mechanisms against faults. The device supports both SV and 5V supply voltage ranges and offers a high-performance clock frequency up to 29 MHz.
| EEPROM Size | 18 Kbytes |
|---|---|
| User ROM Size | 196 Kbytes |
| User RAM Size | 4 Kbytes |
| NESCRYPT RAM Size | 2 Kbytes |
| CPU Clock Frequency | up to 29 MHz |
| External Clock Frequency | up to 10 MHz |
The device is intended for Banking, IT and Pay TV applications.
Yes, it supports both SV and 5V supply voltage ranges.