{"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/st25dv64kc","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":"2026-11-04T04:12:53.314Z","chip":{"id":"6d855bf0-6725-4a7f-8db5-d132ead2b6cb","slug":"st25dv64kc","name":"ST25DV64KC","manufacturer":"STMicroelectronics","frequency_category":"NFC","short_description":"Dynamic NFC/RFID tag IC with 64 Kbit EEPROM, fast transfer mode, and energy harvesting for IoT applications","manufacturer_url":"https://vbtdkdldajoxuasljhkm.supabase.co/storage/v1/object/public/datasheets/st25dv64kc.pdf","frequency":"13.56 MHz","protocol":"ISO/IEC 15693, NFC Forum Type 5","memory":"64 Kbit (8 Kbyte) EEPROM user memory","interface":"RF (contactless), I2C","temp_range":"-25°C to +85°C","form_factor":"SO8N, TSSOP8, UFDFPN8","security":"64-bit password protection, configurable security per area, write protection","use_cases":["industrial-iot","asset-tracking","supply-chain"],"engineering_brief":"The ST25DV64KC is a dynamic dual-interface NFC/RFID tag IC offering both contactless RF (13.56 MHz) and wired I2C communication to a host microcontroller. It features 64 Kbit of EEPROM with fast transfer mode, energy harvesting capability to power external circuits, and a configurable GPO interrupt pin for mailbox-based communication between RF and I2C sides. Security includes multi-area password protection and write-lock features, making it ideal for IoT applications requiring wireless configuration, data exchange, and low-power operation.","enriched":true,"url_status":"ok","link_status":"valid","last_checked":"2026-11-04T03:31:29.049+00:00","last_status_code":200,"last_content_type":"application/pdf","created_at":"2026-06-21T03:00:18.784606+00:00","manufacturer_id":"0c208bcb-2193-4014-9a7f-783bb32a8c9e","chip_type":"tag_ic","dual_interface":true,"is_family_hub":false,"meta_description":"STMicroelectronics ST25DV64KC: Dynamic NFC/RFID tag IC with 64 Kbit EEPROM, dual RF/I2C interface, energy harvesting, and mailbox for IoT applications.","faq":[{"a":"The ST25DV64KC has 64 Kbit (8 Kbyte) of EEPROM user memory that can be accessed via both RF contactless interface and I2C wired connection.","q":"What is the memory size of the ST25DV64KC?"},{"a":"Yes, the ST25DV64KC features both contactless RF (13.56 MHz NFC/RFID) and wired I2C interfaces, allowing simultaneous access from a smartphone/reader and a host microcontroller.","q":"Does the ST25DV64KC support dual interface communication?"},{"a":"The ST25DV64KC provides 64-bit password protection with configurable security per memory area and write protection capabilities to secure stored data against unauthorized access or modification.","q":"What security features does the ST25DV64KC offer?"},{"a":"Yes, the ST25DV64KC includes energy harvesting capability that can extract power from the RF field to supply external circuits, enabling battery-free operation for low-power applications.","q":"Can the ST25DV64KC power external circuits?"},{"a":"The ST25DV64KC supports ISO/IEC 15693 fast transfer mode, enabling higher data throughput for quicker read and write operations compared to standard mode, ideal for applications requiring rapid data exchange.","q":"What is the fast transfer mode on the ST25DV64KC?"},{"a":"The ST25DV64KC mailbox allows bidirectional communication between the RF and I2C interfaces using a configurable GPO interrupt pin, enabling the RF side and microcontroller to exchange messages asynchronously.","q":"How does the mailbox feature work on the ST25DV64KC?"}],"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/st25dv64kc"}}