{"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/st25dv64k","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":"2026-11-01T19:50:46.732Z","chip":{"id":"fe42597e-42cf-43c2-9044-a747986b1b6f","slug":"st25dv64k","name":"ST25DV64K","manufacturer":"STMicroelectronics","frequency_category":"NFC","short_description":"Dynamic NFC/RFID tag with 64-Kbit EEPROM and I²C","manufacturer_url":"https://vbtdkdldajoxuasljhkm.supabase.co/storage/v1/object/public/datasheets/st25dv64k.pdf","frequency":"13.56 MHz","protocol":"ISO/IEC 15693, NFC Forum Type 5","memory":"64 Kbit (8 KB) EEPROM user memory","interface":"RF (contactless NFC), I²C","temp_range":"-40°C to +85°C","form_factor":"SO8, TSSOP8, UFDFPN8","security":"64-bit password protection (I²C and RF), configurable security per area","use_cases":["industrial-iot","asset-tracking","nfc-marketing","supply-chain"],"engineering_brief":"The ST25DV64K is a dual-interface dynamic NFC tag combining contactless 13.56 MHz NFC operation (ISO/IEC 15693) with wired I²C access, featuring 64 Kbit of EEPROM organized as user-configurable memory areas. It enables simultaneous or independent access from both RF and I²C sides, with an energy harvesting output pin to power external circuits from the RF field. The chip offers password-protected areas, fast transfer mode support, and a mailbox feature for bidirectional communication between RF and I²C interfaces, making it ideal for secure IoT applications requiring both wireless smartphone interaction and embedded microcontroller access.","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":"0c208bcb-2193-4014-9a7f-783bb32a8c9e","chip_type":"tag_ic","dual_interface":true,"is_family_hub":false,"meta_description":"ST25DV64K dual-interface NFC tag IC with 64-Kbit EEPROM, ISO/IEC 15693, NFC Type 5, I²C interface, and energy harvesting for secure IoT applications.","faq":[{"a":"The ST25DV64K has 64 Kbit (8 KB) of EEPROM user memory, organized into user-configurable areas that can be individually password-protected.","q":"What is the memory size of the ST25DV64K?"},{"a":"Yes, the ST25DV64K features a dual-interface design with both contactless 13.56 MHz NFC (ISO/IEC 15693) and wired I²C interface, allowing simultaneous or independent access from both sides.","q":"Does the ST25DV64K support I²C interface?"},{"a":"The ST25DV64K provides 64-bit password protection for both I²C and RF interfaces, with configurable security settings per memory area, enabling granular access control for different data zones.","q":"What security features does the ST25DV64K offer?"},{"a":"Yes, the ST25DV64K includes an energy harvesting output pin that can capture power from the RF field to supply energy to external microcontrollers or sensors during NFC interaction.","q":"Can the ST25DV64K power external circuits?"},{"a":"The mailbox is a dedicated memory buffer enabling bidirectional communication between the RF (NFC) and I²C interfaces, allowing a smartphone and embedded microcontroller to exchange data through the tag.","q":"What is the mailbox feature in ST25DV64K?"},{"a":"Yes, the ST25DV64K is NFC Forum Type 5 compliant and operates on ISO/IEC 15693 at 13.56 MHz, making it fully compatible with NFC-enabled smartphones and readers.","q":"Is the ST25DV64K compatible with NFC smartphones?"}],"standards":["iso-15693","nfc-forum-type-5"],"alternatives":["8a96cd0b-6895-472f-9c61-557c90358381"],"no_direct_competitor":false,"long_form_html":null,"og_image_url":null,"canonical_url":"https://rfid-datasheet.com/chip/st25dv64k"}}