ST53G (ST31G + STS3922) Secure SIP product for optimized wearable (Card emulation)

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  • The ST53G device is an all-in-one secure solution that includes the STS3922 near-field communication (NFC) booster and a secure element (SE) certified by EMVCo and available in different memory sizes ranging from 256 to 480 Kbytes (ST31G480, ST31G384, ST31G320 or ST31G256).

    Fully manufactured in a secure environment, the ST53G provides the highest performance levels thanks to the ARM® SC300® core of their secure element.
    The ST53G is ideal for applications that require card emulation functionality, but have limited space for the antenna. This solution allows a simpler design than the conventional NFC controller-based architecture, and occupies a board footprint approximately one-third smaller.
    The ST53G operates in the −25 to + 85 °C temperature range at voltages from 2.7 to 3.6 V.
    It is delivered in WFBGA64 packages dimensioned for use in small-footprint devices.
    In order to meet environmental requirements, ST offers the ST53G in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: ECOPACK® is an ST trademark.

    Key Features

    • System in package (SiP) integrating a 32-bit secure microcontroller (ST31G480, ST31G384, ST31G320 or ST31G256) and an STS3922 booster for optimized wearable applications (card emulation boosted performance)
    • Single power supply pin (VBAT)
    • 2.7 to 3.6 V supply voltage range
    • Battery voltage supported
    • Supports Class B operating conditions
    • Ambient operating temperature range: −25 to + 85 °C
    • 10-year data retention
    • 100 000 Erase/Write cycle endurance
    • ESD protection greater than 4 kV (HBM)
    • Communication interfaces:
      • SPI
      • ISO 7816
      • ISO 14443A
    • Delivery form:
      • WFBGA64: 64-ball, 4 × 4 mm, 0.4 mm pitch, very, very thin profile, fine pitch, ball grid array package
    • Secure microcontroller
      • ARM® SecurCore® SC000™ 32-bit RISC core
      • 12 Kbytes of user RAM
      • Up to 480 Kbytes of secure, high-density user Flash memory including 128 bytes of user OTP area
      • Three 16-bit timers with interrupts
      • Watchdog timer
      • External clock frequency up to 10 MHz
      • CPU clock frequency up to 28 MHz
      • Power-saving Standby state
      • Asynchronous receiver transmitter (IART) with RAM buffer for high-speed serial data support (ISO/IEC 7816-3 T=0/T=1 compliant)
    • Booster
      • Extended read range in card emulation mode with antennas smaller than 100 mm²
      • boostedNFC technology based on active load modulation
      • Automatic power control
      • Automatic gain control
      • Low power consumption
    • Contactless features
      • EMVCo™ and ISO/IEC 14443 compliance for full interoperability with existing payment and ticketing infrastructures
      • Card emulation supporting ISO/IEC 14443 Type A at 106 kbps
      • MIFARE Plus® and MIFARE® DESFire® EV1 hardware and software implementation
      • MIFARE® Classic available as part of MIFARE Plus®
    • Security features
      • Active shield
      • Monitoring of environmental parameters
      • Three-key triple DES accelerator
      • AES accelerator
      • AIS-31 Class PTG2-compliant true random number generator (TRNG)
      • NESCRYPT coprocessor for public-key cryptography algorithms
      • ISO/IEC 13239 CRC calculation block
      • Unique serial number for each die
      • Protection against multiple attacks

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Technical Documentation

    • Description Version Size Action
      Secure system-in-package solutions for optimized wearable applications (card emulation)
      205.49 KB

      Secure system-in-package solutions for optimized wearable applications (card emulation)

Publications and Collaterals

    • Description Version Size Action
      Secure Wearables - all-on-one ST53G Secure Module 1.0
      1,006.28 KB

      Secure Wearables - all-on-one ST53G Secure Module

    • Description Version Size Action
      Brochure Secure MCUs - Secure Solutions 1.2
      1.11 MB
      Products and solutions for Secure Wearables 1.0
      1.01 MB
      Products and solutions for Wearable devices 1.0
      2 MB

      Brochure Secure MCUs - Secure Solutions

      Products and solutions for Secure Wearables

      Products and solutions for Wearable devices

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