A Comprehensive Comparison ICODE SLIX2 vs Ultralight EV1 NFC Chips

In the rapidly evolving landscape of Near Field Communication (NFC) technology, selecting the right NFC chip is paramount to the success of various applications. In this article, we’ll delve into a detailed comparison between two prominent NFC chips: the ICODE SLIX2 and the Mifare  Ultralight EV1 48 byte.

Understanding ICODE SLIX2 and Mifare  Ultralight EV1 48 byte

ICODE SLIX2: A Versatile NFC Chip

The ICODE SLIX2, belonging to NXP’s ICODE family, stands out for its versatility and advanced features, making it a popular choice for diverse NFC applications.

Ultralight EV1-48: Cost-Effective NFC Solution

On the other hand, the Mifare  Ultralight EV1 48 byte is designed to provide a cost-effective NFC solution without compromising on performance, catering to simpler applications.

Memory and Features Comparison


  • Total Memory: 316 bytes
  • User Memory: 320 bytes
  • Max URL Length: 250 characters
  • UID Length: 8 bytes
  • Data Retention: 50 years
  • Write Endurance: 100,000 cycles

Ultralight EV1 48 bytes:

  • Total Memory: 48 bytes
  • User Memory: 45 bytes
  • Max URL Length: 41 characters
  • UID Length: 7 bytes
  • Data Retention: 10 years
  • Write Endurance: 10,000 cycles

Technical Specifications


  • Chip Thickness: 120 μm
  • NFC Forum Type: 5
  • Operating Frequency: 13.56 MHz
  • Data Transmission Rate: 53 kbit/s
  • Input Capacitance: 23.5 pF
  • Standard: ISO/IEC 15693

Ultralight EV1:

  • Chip Thickness: 75 μm / 120 μm
  • NFC Forum Type: 2
  • Operating Frequency: 13.56 MHz
  • Data Transmission Rate: 106 kbit/s
  • Input Capacitance: 17 pF / 50 pF
  • Standard: ISO/IEC 14443 A

Use Cases and Applications


  • Libraries
  • Item Tagging
  • Counterfeit Protection
  • Asset Marking
  • Packaging
  • Product Marketing
  • Advertising
  • Large-scale Asset Tagging

Mifare Ultralight EV1:

  • Event Ticketing
  • Loyalty Programs
  • Access Control
  • Transit Ticketing
  • Smart Posters
  • Short IDs

Conclusion: Choosing the Right NFC Chip

Both the ICODE SLIX2 and Ultralight EV1NFC chips offer unique features and advantages tailored to specific application requirements. The ICODE SLIX2 excels in versatility and advanced functionalities, while the Ultralight EV1 48 byte provides a cost-effective solution for simpler applications.

In conclusion, the selection between the ICODE SLIX2 and Ultralight EV1hinges on factors such as memory requirements, desired features, and budget constraints. By understanding the distinct characteristics of each NFC chip, businesses and developers can make informed decisions to optimize their NFC-enabled solutions for enhanced performance and functionality.



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