{"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-3","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":"2026-11-01T19:49:27.933Z","chip":{"id":"6b2c6967-256a-4e1b-9ef0-38d341451b9f","slug":"icode-3","name":"ICODE 3","manufacturer":"NXP","frequency_category":"HF 13.56 MHz","short_description":"Latest-gen ISO 15693, high speed and security","manufacturer_url":"https://vbtdkdldajoxuasljhkm.supabase.co/storage/v1/object/public/datasheets/icode-3.pdf","frequency":"13.56 MHz (13.553 - 13.567 MHz)","protocol":"ISO/IEC 15693-2, ISO/IEC 15693-3","memory":"2432 bits user memory (76 blocks × 4 bytes); 2400 bits user data (blocks 0-74) + 24-bit counter (block 75); 192 bytes configuration memory","interface":"RF (contactless)","temp_range":"-40°C to +105°C (junction), -55°C to +125°C (storage)","form_factor":"Wafer sawn, 12\" bumped wafer, 120 μm, on film frame carrier; die size 675 μm × 635 μm","security":"32-bit and 64-bit password protection; ECC-based 32-byte or 48-byte programmable originality signature (secp128r1); Read/Write password protection; Privacy modes (2 modes with 32-bit password); Destroy command; EAS/AFI password protection; Lock mechanisms (DSFID, AFI, EAS, block-level, page-level)","use_cases":["brand-protection","supply-chain","nfc-marketing","asset-tracking"],"engineering_brief":"The SL2S3003/SL2S3003TT (ICODE 3) is NXP's next-generation 13.56 MHz vicinity label IC fully backward-compatible with SLIX 2, offering ISO/IEC 15693 compliance with extended NFC features and enhanced security. Key improvements include SELFAdjust RF optimization, fast read up to 212 kbit/s, 2.4 kbit user memory with flexible segmentation, 24-bit configurable counter (command-based or NFC auto-increment), ASCII mirror for UID/counter/TagTamper data, and ECC-based 32-byte or 48-byte originality signature. The SL2S3003TT variant adds TagTamper detection with current and stored status (DP/GND pads for tamper wire). Security features include multi-level 32-bit password protection (Read, Write, Privacy, Destroy, EAS/AFI, Config), 64-bit password mode, two privacy modes, persistent quiet mode, and comprehensive lock mechanisms. Delivered as bumped wafer (120 μm, 675×635 μm die, 23.5 pF internal capacitance), it targets anti-counterfeiting, supply chain integrity, NFC consumer engagement, and tamper-evident packaging with operating range up to 1.5 m and 50-year data retention.","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 3 (SL2S3003) 13.56 MHz ISO 15693 tag IC with 2432-bit memory, ECC originality signature, TagTamper detection, and 212 kbit/s fast read for anti-counterfeiting.","faq":[{"a":"The ICODE 3 provides 2432 bits of user memory organized as 76 blocks of 4 bytes each. Blocks 0-74 (2400 bits) are available for user data, while block 75 contains a 24-bit configurable counter. Additionally, 192 bytes of configuration memory are available.","q":"How much user memory does the NXP ICODE 3 have?"},{"a":"The ICODE 3 supports fast read speeds up to 212 kbit/s, significantly faster than earlier ISO 15693 tags. This high data rate enables rapid inventory scanning and improved throughput in supply chain and anti-counterfeiting applications.","q":"What is the read speed of the ICODE 3 chip?"},{"a":"Yes, the ICODE 3 features ECC-based originality signatures using the secp128r1 curve. It supports either 32-byte or 48-byte programmable signatures that enable cryptographic verification of tag authenticity for brand protection and anti-counterfeiting.","q":"Does the ICODE 3 support originality signatures for authentication?"},{"a":"The SL2S3003TT variant includes TagTamper detection via dedicated DP/GND pads for connecting a tamper wire or loop. The chip stores both current and historical tamper status, enabling detection of package opening or seal breach events for tamper-evident applications.","q":"What is TagTamper detection on the ICODE 3TT variant?"},{"a":"Yes, the ICODE 3 (SL2S3003) is fully backward-compatible with the ICODE SLIX 2, maintaining ISO 15693 compliance while adding extended features like faster read speeds, ECC signatures, TagTamper support, and enhanced password protection.","q":"Is the ICODE 3 backward compatible with ICODE SLIX 2?"},{"a":"The ICODE 3 offers comprehensive password protection including 32-bit passwords for Read, Write, Privacy, Destroy, EAS/AFI, and Configuration operations, plus a 64-bit password mode. It supports two privacy modes and includes lock mechanisms at block and page levels for granular access control.","q":"What password protection options does the ICODE 3 support?"}],"standards":["iso-15693","nfc-forum-type-5"],"alternatives":["f0071a4a-6235-4046-a9b9-b28138045578","c2e05b76-1464-44d9-a680-9555d6822beb","2024378d-bc49-4fcc-bd6f-8426843eeecd","503ef72a-57f7-4d98-ae72-d654824fb4fe"],"no_direct_competitor":false,"long_form_html":null,"og_image_url":null,"canonical_url":"https://rfid-datasheet.com/chip/icode-3"}}