| 型号 | 概述 |
| MR31Z052 | ST31 Dual Interface Secure Microcontroller with 52 KBytes of EEPROM, enhanced security, Nescrypt cryptoprocessor and MIFARE |
| SC31ZD16 | ST31 Contact Secure Microcontroller with 16 KBytes of EEPROM, enhanced security and Nescrypt cryptoprocessor |
| SC31ZD22 | ST31 Contact Secure Microcontroller with 22 KBytes of EEPROM, enhanced security and Nescrypt cryptoprocessor |
| SC31ZD38 | ST31 Contact Secure Microcontroller with 38 KBytes of EEPROM, enhanced security and Nescrypt cryptoprocessor |
| SR31Z052 | ST31 Dual Interface Secure Microcontroller with 52 KBytes of EEPROM, enhanced security and Nescrypt cryptoprocessor |
