ST23YR08 is a dual contactless smartcard MCU with 8 Kbytes EEPROM, enhanced security, cryptoprocessor, and optimized RF performance.
The ST23YR08 is a serial access microcontroller designed specifically for secure smartcard applications. It utilizes an enhanced STMicroelectronics 8/16-bit CPU core with 16 Mbytes of linear addressing space and is manufactured using advanced CMOS EEPROM technology.
Key features include an integrated RF interface supporting contactless communication up to 848 Kbits/s compatible with ISO 14443-B standards, as well as Innovatron (Type B') communication. The device also offers an EMV-compliant asynchronous receiver transmitter for serial data support and includes robust security mechanisms such as a hardware security enhanced DES accelerator and a true random number generator.
| CPU Core | Enhanced 8/16-bit ST23 CPU core |
|---|---|
| User ROM Size | 230 Kbytes |
| User RAM Size | 4 Kbytes |
| EEPROM Size | 8 Kbytes |
| Data Retention | 30-year at 25° C |
| Erase/Write Endurance | 500,000 cycles typical |
| CPU Clock Frequency | up to 29 MHz |
| External Clock Frequency | up to 10 MHz |
| Supply Voltage Ranges | 3V and 5 V |
| RF Communication Speed | up to 848 Kbits/s |
| Compliance Standards | ISO/IEC 14443 type B, Innovatron (type B') and PayPass™ standards |
The CPU clock frequency can reach up to 29 MHz.
Yes, it complies with ISO/IEC 14443 type B, Innovatron (type B') and PayPass™ standards.
The device offers 30-year data retention at 25° C.