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
DescriptionVersionSize
DB0900: Smartcard MCU with enhanced security, crypto-processor and 48 Kbyte EEPROM2.0207 KB
Sample & Buy
Part NumberUnit Price (US$) *QuantityECCN (EU)ECCN (US)Country of Origin
ST23YL48--NECEAR99-
Quality & Reliability
Part NumberPackageGradeRoHS Compliance GradeMaterial Declaration**
ST23YL48DICEIndustrialN/A
circuit_diagram_16385_thumbnail.png ST23YL48
Smartcard MCU with enhanced security, crypto-processor and 48 Kbyte EEPROM ST23YL48