{"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/ucode-dna","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":"2026-11-01T19:50:34.958Z","chip":{"id":"cb97a365-918b-48b4-9b97-9a7d7848b702","slug":"ucode-dna","name":"UCODE DNA","manufacturer":"NXP","frequency_category":"UHF 860–960 MHz","short_description":"Crypto-enabled RAIN RFID IC with AES-128 for brand protection","manufacturer_url":"https://www.nxp.com/docs/en/data-sheet/SL3S1003_1013.pdf","frequency":"840–960 MHz (UHF)","protocol":"EPC Class-1 Generation-2 UHF RFID (EPCglobal v1.2.0), ISO/IEC 18000-63","memory":"256 bit EPC (G2iM) or 128–448 bit EPC (G2iM+), 640 bit User Memory (segmentable in G2iM+), 96 bit TID with 48-bit unique serial number, 112 bit User TID, 32-bit Kill Password, 32-bit Access Password, 32-bit User Password (G2iM+)","interface":"RF (contactless backscatter), VDD and OUT pads for external supply and digital I/O (G2iM+)","temp_range":"-40 °C to +85 °C (ambient)","form_factor":"Wafer (615 µm × 475 µm die, 120 µm thick, 7 µm polyimide spacer, Au bumps), XSON6/SOT886 (1.0 × 1.45 × 0.5 mm)","security":"32-bit Kill Password, 32-bit Access Password, 32-bit User Password (G2iM+), bank-wise read protection (EPC, TID, User Memory), BlockPermalock, tag tamper alarm (G2iM+), conditional read range reduction, digital switch/data transfer mode (G2iM+)","use_cases":["brand-protection","supply-chain","asset-tracking"],"engineering_brief":"The UCODE G2iM/G2iM+ family comprises high-sensitivity (-17.5 dBm) Gen2 UHF RFID chips optimized for retail, fashion, and authentication. The G2iM offers 256-bit EPC and 512-bit user memory, while the G2iM+ extends this with segmentable user memory (up to three access-level zones), 128–448 bit EPC, external supply mode (boosting sensitivity to -27 dBm), tag tamper alarm, digital I/O, and conditional read-range reduction for privacy. Both variants include Product Status Flag (PSF) for EAS, bank-wise read protection, 48-bit unique serial number, and support standard EPC commands plus custom ChangeConfig/EAS_Alarm commands for streamlined deployment.","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 UCODE DNA UHF RFID IC (860–960 MHz) with AES-128, 256-bit EPC, 640-bit user memory, and -17.5 dBm sensitivity for brand protection and retail.","faq":[{"a":"The UCODE DNA operates in the UHF RFID band from 840–960 MHz, covering global RAIN RFID allocations including North America (902–928 MHz) and Europe (865–868 MHz).","q":"What frequency range does the UCODE DNA operate on?"},{"a":"The G2iM variant offers 256-bit EPC and 512-bit user memory, while the G2iM+ provides configurable 128–448 bit EPC and 640-bit segmentable user memory. Both include a 96-bit TID with 48-bit unique serial number and 112-bit user TID.","q":"How much memory does the UCODE DNA have?"},{"a":"The UCODE DNA achieves -17.5 dBm sensitivity in standard backscatter mode. The G2iM+ variant can reach -27 dBm sensitivity when powered via external supply mode through the VDD and OUT pads.","q":"What is the read sensitivity of UCODE DNA chips?"},{"a":"Yes, the UCODE DNA integrates AES-128 cryptographic authentication specifically designed for brand protection and anti-counterfeiting applications in retail and fashion industries.","q":"Does the UCODE DNA support encryption?"},{"a":"The G2iM+ provides three-tier password protection (Kill, Access, and User passwords), bank-wise read protection for EPC/TID/User memory, BlockPermalock, tag tamper alarm, conditional read-range reduction for privacy, and digital switch/data transfer mode via the OUT pad.","q":"What security features does the UCODE DNA G2iM+ offer?"},{"a":"Yes, UCODE DNA is fully compliant with EPCglobal Gen2 v1.2.0 (ISO/IEC 18000-63) and works with standard RAIN RFID readers, while also supporting custom ChangeConfig and EAS_Alarm commands for advanced features.","q":"Is UCODE DNA compatible with standard EPC Gen2 readers?"}],"standards":["iso-18000-63-epc-gen2"],"alternatives":["56ed1649-180b-46f9-958a-937c67a14dd0","b5848562-36ca-45fa-846a-e17981fc0f4f","8de5da07-a0fe-45c9-8a9e-45c34369be6e"],"no_direct_competitor":false,"long_form_html":null,"og_image_url":null,"canonical_url":"https://rfid-datasheet.com/chip/ucode-dna"}}