ICODE SLIX2 vs. NTAG216
These two chips, the ICODE SLIX2 and the NTAG216 are from different NFC chip families. The ICODE SLIX2, manufactured by NXP belonging to the ICODE family, and the NTAG216, also manufactured by NXP.
The ICODE SLIX is part of NXP's ICODE family of chips. The ICODE series is older than NXP's NTAG series and has a number of significant differences - particularly a longer 8 byte UID and a longer memory retention specification of 50 years. However, this ICODE SLIX2 variant is newer and contains a large numebr of feature enhancements.
Generally, these chips are not commonly used in mobile phone NFC applications. While they are similar in cost to the NTAG series, Seritag generally recommend NTAG unless the additional specified memory retention lifespan is specifically required. The ICODE chips are not available in as many formats as the NTAG chips and are typically made to order.
The NTAG216 has the largest memory capacity of the NTAG21x range. It's typically used in business cards and similar vCard storage applications. With a better availability than the smaller memory NTAG215 chip, it's essentially the only option if you need more memory than the NTAG213. It's not a cheap chip and prices for NTAG216 tags carry a heavy premium. Seritag strongly recommend that NFC tags shouldn't be used to store data but contain only the link to data. In which case, using a large memory chip such as the NTAG216 isn't always a good idea in the first place. However, if your application absolutely requires it, this chip is an option.
Both these chips have a strong ScanStrength and will work very well with mobile phones.
Key Features
Key Specifications
| Brand | NXP |
| Chip Series | ICODE |
| NFC Forum | Type 5 |
| Availability | Medium |
| ScanStrength | High |
| Brand | NXP |
| Chip Series | NTAG |
| NFC Forum | Type 2 |
| Availability | Low |
| ScanStrength | High |
Phone compatibility
Typical Use Cases
- Libraries
- Item tagging
- Counterfeit protection
- Asset marking
- Data storage
- vCards (use vCard-Go)
- Object Identification
User Features
| ICODE SLIX2 | NTAG216 | |
|---|---|---|
| Total memory (bytes) | 316 | 924 |
| User memory (bytes) | 320 | 888 |
| Max URL (chars) | 250 | 872 |
| UID (bytes) | 8 | 7 |
| ECC signature | ||
| 32-bit password | ||
| UID ASCII mirror | - | |
| Scan Counter | ||
| Counter ASCII mirror | - | |
| Lockable |
Technical Specifications
| ICODE SLIX2 | NTAG216 | |
|---|---|---|
| Chip thickness | 120 μm | 75 µm / 120 µm |
| NFC Forum | Type 5 | Type 2 |
| Operating Freq. | 13.56Mhz | 13.56Mhz |
| Data Trans. Rate | 53 kbit/s | 106 kbit/s |
| Input Capacitance | 23.5 pf | 50pf |
| Fast read | ||
| Data retention (years) | 50 | 10 |
| Write endurance (cycles) | 100000 | 100000 |
| Anticollision | - | |
| Standard | ISO/IEC 15693 | ISO/IEC 14443 A |
| Release date | 2016 | 2013 |
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