安全的ST23系列是智能卡IC领域的参考基准，通过了CC EAL6+级认证。 至今已有20多亿件ST23器件被使用在包括银行、电子政务、交通或付费电视等安全应用中，并且利用各种选项实现了安全应用开发，例如认证密码库、接触式、非接触式和USB接口。
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SC23ZD12
ST23 Contact Secure MCU with 12Kbytes EEPROM, I2C slave interface, enhanced security and Nescrypt cryptoprocessor
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SC23Z018
ST23 Contact Secure MCU with 18 Kbytes EEPROM, I2C slave interface, enhanced security and Nescrypt cryptoprocessor
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SB23Z012
ST23 Contact Secure MCU with 12 Kbytes EEPROM, enhanced security
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SB23ZE08
ST23 Contact Secure MCU with 8 Kbytes EEPROM, enhanced security
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ST23ZC08
ST23 Contactless Secure MCU with 8 KBytes EEPROM, enhanced security and DES/AES cryptoprocessor, RF Type A,B,B'
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ST23ZR08
ST23 Dual Interface Secure MCU with 8 KBytes EEPROM, enhanced security and DES/AES cryptoprocessor,RF Type A,B,B' (Contactless low end ID-DL/DES)
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ST23ZR04
ST23 Dual Interface Secure MCU with 4 KBytes EEPROM, enhanced security and DES/AES cryptoprocessor,RF Type A,B,B'
