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ST23L160：ST23 Contact Secure MCU with 160 Kbytes EEPROM, enhanced security and Nescrypt cryptoprocessor

ST23L160 devices are serial access microcontrollers custom-designed for secure smartcard applications.

They are based on an enhanced STMicroelectronics 8/16-bit CPU core offering 16 Mbytes linear addressing space. They are manufactured using an advanced highly reliable ST CMOS EEPROM technology.

Moreover, an ISO/IEC 7816-3 EMV-compliant asynchronous receiver transmitter (IART) communication peripheral is available.

Key Features

• Enhanced 8/16-bit ST23 CPU core with 16 Mbytes linear addressable memory
• 390 Kbytes of User ROM
• 6 Kbytes of User RAM
• 2 Kbytes of NESCRYPT RAM
• 160 Kbytes of User EEPROM including 128 bytes of User OTP area:
  • 30-year data retention at 25° C
  • 500,000 erase/write cycles at 25° C
  • 1 to 64 bytes Erase or Program in 1.5 ms
• Operating temperature: -25° to +85° C
• Enhanced NESCRYPT crypto-processor for public key cryptography
• FIPS PUB 197 -compliant AES accelerator
• Three 8-bit timers with watchdog and interrupt capability
• 3 V and 5 V supply voltage ranges
• External clock frequency up to 10 MHz
• High performance provided by:
  • CPU clock frequency up to 29 MHz
• Power-saving Standby state
• Contact assignment compatible with ISO/IEC 7816-3 standards
• Asynchronous receiver transmitter (IART) for high speed serial data support (ISO/IEC 7816-3 and EMV™ compliant)
• ESD protection greater than 6 kV (HBM) for contact pads and 4 kV for contactless pads
• Security features
  • Active shield
  • Hardware security enhanced DES accelerator
  • Monitoring of environmental parameters
  • Protection mechanisms against faults
  • EAL6+ security certification according to Common Criteria 3.1 methodology
  • DPA, SPA and DFA resistant
  • AIS-31 class P2 compliant true random number generator (TRNG)
  • ISO 3309 CRC calculation block
  • Memory protection unit (MPU)
  • Unique serial number on each die

Product Specifications

Sample & Buy

Quality & Reliability