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ST23YL48：ST23 Contact Secure MCU with 48 Kbytes EEPROM, enhanced security and Nescrypt cryptoprocessor

The ST23YL48 product is a serial access microcontroller specially designed for secure smartcard applications.

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

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

Key Features

• Hardware features
  • CPU clock frequency up to 29 MHz
  • 30-year data retention
  • 500,000 Erase/Write cycles endurance typical at 25°C
  • 1 to 64 Bytes Erase or Program in 1.5 ms
  • 48 Kbytes User EEPROM including 128 bytes User OTP area:
    • Highly reliable CMOS EEPROM submicron technology
    • 30-year data retention
    • 500,000 Erase/Write cycles endurance typical at 25°C
    • 1 to 64 Bytes Erase or Program in 1.5 ms
  • Enhanced NESCRYPT crypto-processor for public key cryptography
  • Hardware Security Enhanced DES accelerator
  • Three 8-bit timers with watchdog and interrupt capability
  • 3V and 5V supply voltage ranges
  • External clock frequency up to 10 MHz
  • High performance provided by:
    • CPU clock frequency up to 29 MHz
    • 30-year data retention
    • 500,000 Erase/Write cycles endurance typical at 25°C
    • 1 to 64 Bytes Erase or Program in 1.5 ms
    • 48 Kbytes User EEPROM including 128 bytes User OTP area:
      • Highly reliable CMOS EEPROM submicron technology
      • 30-year data retention
      • 500,000 Erase/Write cycles endurance typical at 25°C
      • 1 to 64 Bytes Erase or Program in 1.5 ms
    • Enhanced NESCRYPT crypto-processor for public key cryptography
    • Hardware Security Enhanced DES accelerator
    • Three 8-bit timers with watchdog and interrupt capability
    • 3V and 5V supply voltage ranges
    • External clock frequency up to 10 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 5 kV (HBM)
• Security features
  • Active shield
  • Monitoring of environmental parameters
  • Protection mechanisms against faults
  • AIS-31 class P2 compliant True RandomNumber Generator (TRNG)
  • ISO 3309 CRC calculation block
  • Memory Protection Unit (MPU)
  • Unique serial number on each die
• Development environment
  • Software development and firmware generation are supported by a comprehensive set of development tools dedicated to software design and validation:
    • C compiler, simulator and emulator
• Applications
  • ST23YL48 major applications include:
    • ID and Pay TV applications

Product Specifications

Sample & Buy

Quality & Reliability