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ST23YS02：ST23 Contact Secure MCU with 2 KBytes EEPROM, enhanced security

The ST23YS02 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.

Key Features

• ST23YS02 major applications include:
  • Banking targeting the EMVCo certificate
• Hardware features
  • CPU clock frequency up to 29 MHz
  • 10-year data retention
  • 500,000 Erase/Write cycles endurance typical at 25°C
  • 2 Kbytes User EEPROM including 64 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 32 Bytes Erase or Program in 1.5 ms
  • Two 8-bit timers with watchdog and interrupt capability
  • 3V and 5V supply voltage ranges
  • External clock frequency from 1 up to 5 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
    • 2 Kbytes User EEPROM including 64 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 32 Bytes Erase or Program in 1.5 ms
    • Two 8-bit timers with watchdog and interrupt capability
    • 3V and 5V supply voltage ranges
    • External clock frequency from 1 up to 5 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)
  • ISO 3309 CRC calculation block
  • 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 Random
  • Number Generator (TRNG)
  • 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

Sample & Buy

Quality & Reliability