ICODE SLI
The NXP ICODE SLI is an HF 13.56 MHz RFID tag IC, with 1024 bits (32 blocks × 4 bytes), 28 user blocks (112 bytes user memory), operating at 13.56 MHz, under ISO/IEC 15693-2 ISO/IEC 15693-3.
ISO 15693 item-level library and retail
Full Specifications
| Manufacturer | NXP |
|---|---|
| Frequency Category | HF 13.56 MHz |
| Frequency | 13.56 MHz |
| Protocol | ISO/IEC 15693-2, ISO/IEC 15693-3 |
| Memory | 1024 bits (32 blocks × 4 bytes), 28 user blocks (112 bytes user memory) |
| Interface | RF (contactless) |
| Temperature Range | Not specified in datasheet |
| Form Factor | Wafer/die (for label integration) |
| Security | Unique 64-bit UID, block-level write protection (lock mechanism), EAS (Electronic Article Surveillance) bit, AFI (Application Family Identifier), DSFID (Data Storage Format Identifier) |
Engineering Brief
The I•CODE SLI (SL2 ICS20) is a contactless smart label IC compliant with ISO/IEC 15693, operating at 13.56 MHz. It features 1024 bits of EEPROM organized into 32 blocks (112 bytes user-accessible), with a read range up to 1.5 meters depending on antenna design. The chip supports true anticollision, fast data transfer up to 53 kbit/s, and offers security features including a factory-programmed unique 64-bit identifier, per-block write-lock, and Electronic Article Surveillance (EAS) functionality. Designed for smart labels in logistics, retail item-level tagging, library systems, and baggage tracking, it provides 10 years data retention and 100,000 write cycles endurance.
Typical Applications
Standards & Compliance
Frequently Asked Questions
How much user memory does the NXP ICODE SLI have?
The ICODE SLI provides 112 bytes of user-accessible memory organized in 28 blocks of 4 bytes each. The total EEPROM is 1024 bits (32 blocks), with 4 blocks reserved for system functions.
What is the read range of the ICODE SLI chip?
The ICODE SLI achieves read ranges up to 1.5 meters, depending on antenna design and reader power. This makes it suitable for overhead gate reading in library and logistics applications.
Does the ICODE SLI support anticollision for reading multiple tags?
Yes, the ICODE SLI supports true anticollision functionality per ISO/IEC 15693, enabling simultaneous detection and reading of multiple tags in the reader field.
What security features does the NXP ICODE SLI offer?
The ICODE SLI includes a factory-programmed unique 64-bit UID, block-level write protection with lock mechanism, EAS (Electronic Article Surveillance) bit for theft detection, AFI for application filtering, and DSFID for data format identification.
What is the data transfer speed of the ICODE SLI?
The ICODE SLI supports fast data transfer rates up to 53 kbit/s in accordance with ISO/IEC 15693 specifications, enabling quick inventory and tracking operations.
How many write cycles can the ICODE SLI endure?
The ICODE SLI is rated for 100,000 write cycles with 10 years data retention, making it suitable for applications requiring periodic updates over extended lifespans.
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Cross-manufacturer alternatives
Sourcing NXP ICODE SLI in volume?
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