{"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/hitag-u","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":"2026-11-01T22:02:54.912Z","chip":{"id":"c8b4cbff-68e8-48db-8533-ac6445ee939a","slug":"hitag-u","name":"HITAG µ","manufacturer":"NXP","frequency_category":"LF 125 kHz","short_description":"Next-gen ultra-compact HITAG, ISO 18000-2","manufacturer_url":"https://media.digikey.com/pdf/Data%20Sheets/NXP%20PDFs/HTMS1x01,%20HTMS8x01_Web.pdf","frequency":"100-150 kHz (LF)","protocol":"ISO 11784, ISO 11785 (Animal ID); designed for ISO/IEC 14223; Reader Talks First (RTF) with anti-collision, Transponder Talks First (TTF)","memory":"HITAG µ: 128 bits total (4 blocks); HITAG µ Advanced: 512 bits (16 blocks); HITAG µ Advanced+: 1760 bits (55 blocks). Up to 10,000 erase/write cycles, 10 years data retention","interface":"RF contactless (inductive coupling); integrated resonance capacitor 210 pF ±3% or 280 pF ±5%","temp_range":"-40°C to +85°C (junction), -55°C to +125°C (storage)","form_factor":"Sawn gold-bumped 8\" wafer (550×550 µm die), HVSON2 (SOT899-1, 3×2×0.85 mm), SOT-1122 (XSON3, 1×1.45×0.5 mm)","security":"48-bit Unique Identification Number (UID); 32-bit password with memory lock functionality and password-protected read/write regions","use_cases":["animal-identification","laundry-textile","brand-protection","asset-tracking","industrial-iot"],"engineering_brief":"The HITAG µ family comprises ultra-compact, low-cost LF transponder ICs operating at 100–150 kHz with full ISO 11784/11785 compliance and optional ISO/IEC 14223 support. Available in three memory sizes (128 to 1760 bits EEPROM), the devices integrate a tuned resonance capacitor (210 or 280 pF) and support both Transponder Talks First and Reader Talks First modes with fast anti-collision (1 or 16 slots). Security features include a 48-bit UID and 32-bit password with granular memory locking. Designed for extreme miniaturization (550 µm die) and harsh environments, HITAG µ targets animal ID, laundry tracking, industrial logistics, and brand authentication.","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 HITAG µ LF transponder IC: 100-150 kHz, ISO 11784/11785 compliant, 128-1760 bits EEPROM, integrated capacitor, for animal ID and industrial tracking.","faq":[{"a":"The HITAG µ family offers three memory configurations: HITAG µ with 128 bits (4 blocks), HITAG µ Advanced with 512 bits (16 blocks), and HITAG µ Advanced+ with 1760 bits (55 blocks). All variants support up to 10,000 erase/write cycles with 10 years data retention.","q":"What memory sizes are available in the HITAG µ family?"},{"a":"Yes, the HITAG µ family is fully compliant with ISO 11784 and ISO 11785 standards for animal identification. It also supports ISO/IEC 14223 protocols and operates at 100-150 kHz low frequency.","q":"Is the HITAG µ compliant with ISO 11784 and ISO 11785 animal identification standards?"},{"a":"HITAG µ chips integrate a resonance capacitor available in two variants: 210 pF ±3% or 280 pF ±5%. This integrated component eliminates the need for external tuning capacitors, enabling extreme miniaturization down to 550 µm die size.","q":"What is the integrated resonance capacitor value in HITAG µ chips?"},{"a":"Yes, the HITAG µ supports fast anti-collision with 1 or 16 slots in Reader Talks First (RTF) mode. It also supports Transponder Talks First (TTF) mode for flexible reader-tag communication scenarios.","q":"Does the HITAG µ support anti-collision for reading multiple tags?"},{"a":"The HITAG µ includes a 48-bit Unique Identification Number (UID) and 32-bit password protection. It offers memory lock functionality and password-protected read/write regions for secure data access control.","q":"What security features does the HITAG µ provide?"},{"a":"HITAG µ is designed for animal identification, laundry and textile tracking, industrial logistics, asset tracking, and brand authentication. Its ultra-compact size (550 µm die) and harsh environment durability make it ideal for applications requiring miniaturization and long-term reliability.","q":"What are typical applications for HITAG µ transponder ICs?"}],"standards":["iso-11784-11785","iso-18000-2"],"alternatives":["6fbf8d09-eab5-4645-a4ff-d46e5193497f","3d5557e0-57db-43d5-81b6-19e1b2a93cab","a9e71908-817a-43b2-a0ce-0d180be72f27"],"no_direct_competitor":false,"long_form_html":null,"og_image_url":null,"canonical_url":"https://rfid-datasheet.com/chip/hitag-u"}}