{"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/tag-it-hf-i-standard","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":"2026-11-01T19:52:26.203Z","chip":{"id":"c2e05b76-1464-44d9-a680-9555d6822beb","slug":"tag-it-hf-i-standard","name":"Tag-it HF-I Standard","manufacturer":"Texas Instruments","frequency_category":"HF 13.56 MHz","short_description":"ISO 15693/18000-3, 256-bit standard transponder IC","manufacturer_url":"https://www.ti.com.cn/cn/lit/ug/scbu011/scbu011.pdf","frequency":"13.56 MHz","protocol":"ISO/IEC 15693, ISO/IEC 18000-3","memory":"2048 bits (256 bytes) user memory organized in 64 blocks of 32 bits (4 bytes) each, plus 64-bit UID, DSFID, AFI","interface":"RF (contactless)","temp_range":"-40°C to +85°C operating, -40°C to +125°C storage","form_factor":"Wafer (200 mm / 8 inch diameter, 265 µm thick after grinding), die size 1296 µm × 1116 µm, bumped (Ni/Au chemical bumps, 25 µm height)","security":"Individual block locking (user lock and factory lock per block), irreversible write protection","use_cases":["library-rfid","asset-tracking","supply-chain","healthcare-pharma"],"engineering_brief":"The Tag-it HF-I (TMS37112) is a passive HF RFID transponder IC fully compliant with ISO 15693 and ISO 18000-3 standards, operating at 13.56 MHz. It features 2048 bits (256 bytes) of user EEPROM organized in 64 lockable blocks, factory-programmed 64-bit UID, and anti-collision support for simultaneous tag reading. The IC supports all ISO 15693 communication modes (ASK/FSK, high/low data rate, 1-of-4/1-of-256 pulse position modulation) with configurable modulation depth. Delivered as bumped wafers or sawn dies on frame, it requires assembly with an external antenna and optional resonance capacitor to form a complete transponder for item-level tagging applications.","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":"76dcc3d3-1793-4a32-ae56-ffbffeedd8ee","chip_type":"tag_ic","dual_interface":false,"is_family_hub":false,"meta_description":"Texas Instruments Tag-it HF-I Standard transponder IC with 256-byte user memory, ISO 15693/18000-3 compliance, 64-bit UID, and block-level locking for item-level tagging at 13.56 MHz.","faq":[{"a":"The Tag-it HF-I Standard provides 2048 bits (256 bytes) of user EEPROM memory organized in 64 blocks of 32 bits (4 bytes) each. Each block can be individually locked for permanent write protection.","q":"How much user memory does the Tag-it HF-I Standard have?"},{"a":"Yes, the Tag-it HF-I Standard (TMS37112) is fully compliant with both ISO 15693 and ISO 18000-3 standards. It supports all ISO 15693 communication modes including ASK/FSK modulation, high/low data rates, and 1-of-4/1-of-256 pulse position modulation.","q":"Is the Tag-it HF-I Standard compatible with ISO 15693?"},{"a":"Yes, the Tag-it HF-I Standard supports anti-collision functionality, enabling simultaneous reading of multiple tags in the field using the ISO 15693 anti-collision protocol with its factory-programmed 64-bit unique identifier (UID).","q":"Does the Tag-it HF-I support anti-collision for reading multiple tags?"},{"a":"The Tag-it HF-I Standard offers individual block-level security with both user lock and factory lock capabilities per block. Once locked, the write protection is irreversible, providing permanent data security for locked blocks.","q":"What security features does the Tag-it HF-I chip have?"},{"a":"The Tag-it HF-I Standard is delivered as bumped wafers or sawn dies on frame, requiring assembly with an external antenna and optional resonance capacitor to create a complete RFID transponder.","q":"What form factor is the Tag-it HF-I Standard available in?"},{"a":"The Tag-it HF-I Standard operates at 13.56 MHz in the high-frequency (HF) RFID band. It is a passive transponder IC that draws power from the RF field generated by the reader.","q":"What operating frequency does the Tag-it HF-I use?"}],"standards":["iso-15693","iso-18000-2","nfc-forum-type-5"],"alternatives":["c0855504-b23e-4e9f-bd4f-cea9a9fe2d0d","79815160-bda6-472c-8854-54af70e4b5f3","33a788dd-92e5-47cb-97fc-052eeb1daba3","503ef72a-57f7-4d98-ae72-d654824fb4fe"],"no_direct_competitor":false,"long_form_html":null,"og_image_url":null,"canonical_url":"https://rfid-datasheet.com/chip/tag-it-hf-i-standard"}}