SIC43S1

NFC Forum Type 2 Tag IC with AES-128 encryption
for Mutual Authentication

NFC Forum Type 2 tag with AES-128
The SIC43S1 is an NFC Forum Type 2 tag configured to be compatible with the dynamic NDEF format. It is also equipped with AES-128 (Advanced Encryption Standard), which provides secure authentication and data encryption for high-security purposes.

The tag has 3 distinct security features based on AES128 cryptography.

• NDEF Authentication

• Mutual Authentication

• Encrypted Communication

DEVELOPMENT KIT SUPPORT MATERIAL

• Demo Android APP and Source Code
• Reference PCB Design and Schematic Diagram
• Reference Antenna and Antenna Design Tool

Highlight Features

• NFC forum type 2 tag 
• Dynamic NDEF message which contains UID, and a secure rolling code called Secure Authenticated Code (SAC) 
• Three modes of AES128-based security 
  • NDEF authentication – Manufacturing configuration for CMAC or OCB mode
  • Mutual Authentication 
  • Encrypted communication

Interface and Peripheral

• RF interface based on ISO/IEC 14443A – 106 kbps
• True anti-collision
• On-chip capacitance 50 pF

Memory

• Factory programmed 7-byte UID
• Lock bytes with anti-tearing protection
• 816-byte user memory
• Dedicated memory section for configuration: authentication, and rolling code configuration
• Dedicated memory for timestamp
• EEPROM organization enabling NDEF TLV messages
• EEPROM erase/write cycle up to 100,000 times
• EEPROM memory retention up to 10 years

Operating Condition

• 13.56 MHz operating radio frequency
• Operating temperature from -40 to 85°C