{"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/mifare-ultralight-c","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":"2026-11-01T22:03:16.388Z","chip":{"id":"7969e9bf-f6b2-46b3-b764-d1ce9a1e20fd","slug":"mifare-ultralight-c","name":"MIFARE Ultralight C","manufacturer":"NXP","frequency_category":"HF 13.56 MHz","short_description":"192-byte ticketing with 3DES authentication","manufacturer_url":"https://vbtdkdldajoxuasljhkm.supabase.co/storage/v1/object/public/datasheets/mifare-ultralight-c.pdf","frequency":"13.56 MHz","protocol":"ISO/IEC 14443 Type A, NFC Forum Type 2","memory":"1536 bits total (192 bytes) / 1152 bits user memory (144 bytes) / 32-bit OTP / 16-bit one-way counter","interface":"RF (contactless)","temp_range":"-25°C to +70°C ambient","form_factor":"Bare die (75 µm / 120 µm), MOA8 contactless module (SOT500-4)","security":"3DES authentication (2-key 3DES in CBC mode), 7-byte UID, 32-bit OTP, field-programmable read-only locking per page/block","use_cases":["payments-transit","event-wristbands","access-control"],"engineering_brief":"The MF0ICU2 (MIFARE Ultralight C) is a 192-byte HF contactless ticket IC communicating at 13.56 MHz via ISO/IEC 14443-A with 106 kbit/s data rate. It features 3DES mutual authentication for enhanced security, 144 bytes of user-writable memory with per-page locking, a 7-byte UID for anti-cloning, a 16-bit one-way counter, and 32 bits of OTP memory. Optimized for public transport and event ticketing, it delivers 100,000 write cycles, 10-year data retention, and fits TFC.0/TFC.1 ticket formats with on-chip resonance capacitors of 16 pF or 50 pF.","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 MIFARE Ultralight C: 192-byte ISO14443A NFC tag IC with 3DES authentication, 144-byte user memory, and one-way counter for secure ticketing.","faq":[{"a":"The MIFARE Ultralight C provides 144 bytes of user-writable memory out of 192 bytes total capacity. It also includes 32 bits of one-time programmable (OTP) memory and a 16-bit one-way counter.","q":"How much user memory does the MIFARE Ultralight C have?"},{"a":"The MIFARE Ultralight C features 3DES mutual authentication using 2-key 3DES in CBC mode, a 7-byte unique identifier (UID) for anti-cloning, field-programmable read-only locking per page, and 32-bit OTP memory for tamper detection.","q":"What security features does the MIFARE Ultralight C offer?"},{"a":"Yes, the MIFARE Ultralight C is NFC Forum Type 2 compliant and operates on ISO/IEC 14443 Type A at 13.56 MHz, making it readable by NFC-enabled smartphones and standard contactless readers.","q":"Is MIFARE Ultralight C compatible with NFC phones?"},{"a":"The MIFARE Ultralight C supports 100,000 write cycles and guarantees 10-year data retention, making it suitable for reusable ticketing applications in public transport and events.","q":"What is the data retention and write endurance of MIFARE Ultralight C?"},{"a":"The MIFARE Ultralight C is optimized for public transport ticketing, event ticketing, and loyalty programs where moderate security with 3DES authentication is required. It complies with TFC.0 and TFC.1 ticket format standards.","q":"What are the main applications for MIFARE Ultralight C?"},{"a":"The MIFARE Ultralight C communicates at 106 kbit/s over the 13.56 MHz ISO/IEC 14443 Type A interface, using standard contactless RF communication protocols.","q":"What is the communication speed of MIFARE Ultralight C?"}],"standards":["iso-14443a","nfc-forum-type-2"],"alternatives":["f0071a4a-6235-4046-a9b9-b28138045578","c2e05b76-1464-44d9-a680-9555d6822beb"],"no_direct_competitor":false,"long_form_html":null,"og_image_url":null,"canonical_url":"https://rfid-datasheet.com/chip/mifare-ultralight-c"}}