ST23YL18:ST23 Contact Secure MCU with 18 Kbytes EEPROM , enhanced security and Nescrypt cryptoprocessor

The ST23YL18 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

  • ST23YL18 major applications include:
    • Banking, IT and Pay TV applications
  • Hardware features
    • CPU clock frequency up to 29 MHz
    • 10-year data retention
    • 500,000 Erase/Write cycles endurance typical at 25°C
    • 1 to 64 Bytes Erase or Program in 1.5 ms
    • 18 Kbytes User EEPROM including 128 Bytes User OTP area:
      • Highly reliable CMOS EEPROM submicron technology
      • 10-year data retention
      • 500,000 Erase/Write cycles endurance typical at 25°C
      • 1 to 64 Bytes Erase or Program in 1.5 ms
    • NESCRYPT crypto-processor for public key cryptography
    • 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
      • 10-year data retention
      • 500,000 Erase/Write cycles endurance typical at 25°C
      • 1 to 64 Bytes Erase or Program in 1.5 ms
      • 18 Kbytes User EEPROM including 128 Bytes User OTP area:
        • Highly reliable CMOS EEPROM submicron technology
        • 10-year data retention
        • 500,000 Erase/Write cycles endurance typical at 25°C
        • 1 to 64 Bytes Erase or Program in 1.5 ms
      • NESCRYPT crypto-processor for public key cryptography
      • 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 ISO 7816-3
    • Asynchronous Receiver Transmitter (IART) for high speed serial data support (ISO 7816-3 and EMV™ compliant)
    • ESD protection greater than 5 kV (HBM)
  • Security features
    • Active shield
    • Monitoring of environmental parameters
    • Protection mechanisms against faults
    • Hardware Security Enhanced DES accelerator
    • 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
      • Emulator
    • Simulator
    • Emulator
Product Specifications
DescriptionVersionSize
DB0573: Smartcard MCU with enhanced security, crypto-processor and 18 Kbytes EEPROM3.0207 KB
Sample & Buy
Part NumberUnit Price (US$) *QuantityECCN (EU)ECCN (US)Country of Origin
ST23YL18--NECEAR99-
Quality & Reliability
Part NumberPackageGradeRoHS Compliance GradeMaterial Declaration**
ST23YL18DICEIndustrialN/A
circuit_diagram_14487_thumbnail.png ST23YL18
Smartcard MCU with enhanced security, crypto-processor and 18 Kbytes EEPROM ST23YL18