STSAFA110DFOCD03

Overview

The STSAFA110DFOCD03 is a secure element from the STSAFE-A110 series, designed for state-of-the-art authentication and secure data management. It operates on a highly secure microcontroller platform certified to Common Criteria EAL5+ with AVA_VAN5 protection profiles. The device supports advanced asymmetric cryptography including ECC with NIST or Brainpool curves (256-bit and 384-bit) and symmetric encryption using up to 16 keys. It provides services such as signature verification, secure channel establishment with TLS handshake support, and usage monitoring via secure counters. The component is housed in an 8-UFDFPN (2x3) package.

Feature Summary

• CC EAL5+ AVA_VAN5 certified secure operating system running on latest generation secure MCU
• Supports Elliptic Curve Cryptography (ECC) with NIST/Brainpool 256-bit and 384-bit curves
• Provides secure channel establishment including Transport Layer Security (TLS) handshake
• Includes unique serial number and X.509 certificate capabilities for device authentication

Applications

• Authentication of consumables and peripherals
• Security for IoT connected objects and eCloud integration
• USB Type-C power delivery charger authentication
• LPWAN security applications supporting Sigfox or LoRaWAN credentials

Procurement Notes

Verify the specific ordering suffix DFOCD03 against the manufacturer's current datasheet to confirm exact packaging configuration and revision level. Ensure compatibility with the host system's interface requirements before procurement. Check for any recent Product Change Notifications (PCN) that may affect material composition or manufacturing location.

Selection Notes

Select this component when high-assurance device authentication and secure key storage are required for IoT or peripheral devices. It is suitable for designs needing CC EAL5+ certification and support for standard elliptic curve algorithms. Consider the 8-UFDFPN package size for compact surface-mount implementations. Verify that the host processor can support the necessary cryptographic command set and communication protocols.

Part Context

This part belongs to the STSAFE-A110 family of secure elements. It is often used in conjunction with STM32 microcontrollers to provide a comprehensive security solution. The series is designed to protect against cloning, theft, and counterfeiting by ensuring strict device authentication and platform integrity.

Replacement Considerations

Consult the official STMicroelectronics substitution guide for verified compatible parts within the STSAFE-A110 family. Ensure any replacement maintains the same security certification level and cryptographic algorithm support.