{"license":"Free for any use with attribution link to rfid-datasheet.com","citation":"RFID-Datasheet.com Chip Database — Roxtron","source":"https://rfid-datasheet.com/chip/icode-slix2","methodology":"https://rfid-datasheet.com/methodology","data_notes":"Includes automated enrichment. Null means unknown; last_checked is link availability, not technical review. Manufacturer documents govern specifications.","generated_at":"2026-11-01T19:50:01.884Z","chip":{"id":"33a788dd-92e5-47cb-97fc-052eeb1daba3","slug":"icode-slix2","name":"ICODE SLIX2","manufacturer":"NXP","frequency_category":"HF 13.56 MHz","short_description":"Extended 2528-bit user memory ISO 15693","manufacturer_url":"https://www.nxp.com/docs/en/data-sheet/SL2S2602.pdf","frequency":"13.56 MHz","protocol":"ISO/IEC 15693-2, ISO/IEC 15693-3","memory":"2560 bits user memory (80 blocks × 4 bytes; last block reserved for 16-bit counter); total 2528 bits usable user memory, 50-year retention, 100,000 write cycles","interface":"RF contactless (no battery needed)","temp_range":"-40°C to +85°C (junction), -55°C to +125°C (storage)","form_factor":"Wafer (SL2S2602FUD/BG: 120 µm with 7 µm Polyimide spacer, bumped, on film frame), MOA8 module (SL2S2602FA8, SOT500-4), XSON3 package (SL2S2602FTB, SOT1122: 1×1.45×0.5 mm)","security":"32-byte ECC-based originality signature (secp128r1), unique 64-bit UID (read-only), 32-bit passwords (Read, Write, Privacy, Destroy, EAS/AFI), block-level write protection, page protection pointer, privacy mode, destroy mode","use_cases":["brand-protection","supply-chain","healthcare-pharma","library-rfid"],"engineering_brief":"The ICODE SLIX2 (SL2S2602) is an HF 13.56 MHz RFID chip compliant with ISO/IEC 15693-2/3, offering 2528 bits of usable EEPROM user memory organized in 79 blocks of 4 bytes each (block 79 is a password-protectable 16-bit counter). It features a cryptographic originality signature using standard ECC (secp128r1 curve) for authentication, flexible memory segmentation with page-based read/write password protection, privacy mode, destroy mode, and Electronic Article Surveillance (EAS) with ID. Operating up to 1.5 m distance at up to 53 kbit/s data rate, the chip supports advanced inventory with persistent quiet mode and fast anti-collision, making it suitable for high-security supply-chain tracking, pharmaceutical anti-counterfeiting, and library automation. Available as bare die (bumped wafer), MOA8 module, or ultra-small XSON3 package.","enriched":true,"url_status":"ok","link_status":"valid","last_checked":"2026-11-01T03:31:28.371+00:00","last_status_code":200,"last_content_type":"application/pdf","created_at":"2026-06-14T16:30:56.111445+00:00","manufacturer_id":"6daaf1cc-d0e6-40c7-aba0-a08b4c3493fe","chip_type":"tag_ic","dual_interface":false,"is_family_hub":false,"meta_description":"NXP ICODE SLIX2 (SL2S2602): ISO 15693 HF RFID chip with 2528-bit user memory, ECC originality signature, 32-bit passwords, and advanced security for supply-chain tracking.","faq":[{"a":"The ICODE SLIX2 provides 2528 bits of usable user memory organized as 79 blocks of 4 bytes each. Block 79 is reserved as a password-protectable 16-bit counter, leaving blocks 0-78 for general data storage.","q":"How much memory does the ICODE SLIX2 have?"},{"a":"The ICODE SLIX2 operates at up to 1.5 meters read distance, depending on antenna design and reader power. It communicates at data rates up to 53 kbit/s over the 13.56 MHz HF frequency.","q":"What is the read range of the ICODE SLIX2?"},{"a":"Yes, the ICODE SLIX2 features a 32-byte ECC-based originality signature using the secp128r1 curve for cryptographic authentication. It also has five separate 32-bit passwords (Read, Write, Privacy, Destroy, and EAS/AFI) for access control.","q":"Does the ICODE SLIX2 support authentication?"},{"a":"The ICODE SLIX2 adds cryptographic originality signature verification using ECC (secp128r1), additional password protection features, page protection pointer, and a dedicated password-protected counter block compared to the original ICODE SLIX.","q":"What is the difference between ICODE SLIX and SLIX2?"},{"a":"Yes, the ICODE SLIX2 is fully compliant with ISO/IEC 15693-2 and ISO/IEC 15693-3 standards, ensuring compatibility with standard ISO 15693 HF RFID readers and infrastructure worldwide.","q":"Is the ICODE SLIX2 compatible with ISO 15693 readers?"},{"a":"Privacy mode allows the ICODE SLIX2 to become unresponsive to inventory commands until unlocked with the correct 32-bit privacy password, protecting user data from unauthorized scanning in sensitive applications.","q":"What is the privacy mode on ICODE SLIX2?"}],"standards":["iso-15693","nfc-forum-type-5"],"alternatives":["f0071a4a-6235-4046-a9b9-b28138045578","c2e05b76-1464-44d9-a680-9555d6822beb","2024378d-bc49-4fcc-bd6f-8426843eeecd"],"no_direct_competitor":false,"long_form_html":null,"og_image_url":null,"canonical_url":"https://rfid-datasheet.com/chip/icode-slix2"}}