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STMicroelectronics ST25TV512-AP6F3
- Part No.:
- ST25TV512-AP6F3
- Manufacturer:
- STMicroelectronics
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- Die
- Datasheet:
-
ST25TV512-AP6F3.pdf
- Description:
- 512-BIT EEPROM TAG IC AT 13.56 M
- Quantity:
- Payment:
- Shipping:
Inventory:2,139
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Product details
Overview
ST25TV512-AP6F3 from STMicroelectronics is an NFC Forum Type 5 contactless RFID tag IC compliant with ISO/IEC 15693, featuring 2-Kbit EEPROM, tamper-detect capability, TruST25 digital signature, and dual-mode privacy protection (Kill and Untraceable modes). It operates at 13.56 MHz, supports fast read up to 53 Kbit/s, and delivers 60-year data retention with 100 k write cycles - deployed in secure product authentication and anti-counterfeiting systems.
For engineers reviewing the ST25TV512-AP6F3 datasheet, ST25TV512-AP6F3 pinout, ST25TV512-AP6F3 application, or ST25TV512-AP6F3 equivalent, key selection criteria include RF interface security architecture (encrypted 32-/64-bit passwords), tamper-detect loop implementation (TD0/TD1), EAS integration, and compatibility with NFC-enabled smartphones and ISO 15693 readers for high-assurance identification workflows.
Technical Context
The ST25TV512-AP6F3 implements a fully autonomous RF-powered architecture with no external power supply required. Its ISO/IEC 15693-compliant transceiver handles all modulation schemes (100% ASK, 10% ASK), subcarrier modes (1 of 256, 1 of 4), and data rates (26.48 kbit/s, 53 kbit/s), including proprietary Fast Read commands that bypass standard inventory overhead.
Memory management is partitioned into user memory (up to 512 blocks × 4 bytes) and system configuration area, with three configurable access areas (Area 0 always readable; Areas 1 & 2 protected by independent 32-bit encrypted passwords), plus dedicated registers for EAS, 16-bit event counter, UID, DSFID/AFI, and tamper-detect status reporting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Standard | ISO/IEC 15693 & NFC Forum Type 5 certified - ensures interoperability with commercial NFC phones and industrial RFID readers. |
| Memory Capacity | 2 Kbits EEPROM (512 × 4-byte blocks) - supports firmware metadata, calibration data, or serialized device credentials in secure tagging applications. |
| Data Retention | 60 years at 25 °C - guarantees long-term integrity of cryptographic keys, digital signatures, or regulatory compliance records without refresh. |
| Write Endurance | 100,000 write cycles per block - enables repeated reprogramming in dynamic asset tracking or field-updatable authentication tokens. |
| Operating Temp | –40 °C to +85 °C - qualified for automotive under-hood, industrial machinery, and outdoor IoT enclosure deployments. |
| Fast Read Speed | 53 Kbit/s - reduces tag interrogation time by >2× vs. standard ISO 15693 mode, critical for high-throughput logistics scanning. |
| Tamper Detect | Dedicated TD0/TD1 loop interface - triggers irreversible state change on physical breach, supporting anti-tampering compliance (e.g., medical device seals). |
Pinout & Package
ST25TV512-AP6F3 uses a 5-pin DFN package (ECOPACK2, RoHS-compliant), optimized for direct antenna coil integration and tamper-loop routing on compact PCBs or embedded modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC0 | Antenna Coil Terminal 0 | Primary RF energy coupling node; connects to one end of external LC tank tuned to 13.56 MHz - internal 23 pF/99.7 pF capacitance options simplify matching. |
| AC1 | Antenna Coil Terminal 1 | Secondary RF energy coupling node; completes resonant circuit with AC0 - no DC bias or external components permitted. |
| TD0 | Tamper Detect Loop Input 0 | Start point of open-circuit detection loop; paired with TD1 to sense wire cut or short - activates tamper flag in system configuration register. |
| TD1 | Tamper Detect Loop Input 1 | End point of tamper loop; differential monitoring with TD0 enables robust intrusion detection independent of RF field presence. |
| NC1 | No Connect | Unbonded pad; must remain unconnected per ECOPACK2 layout guidelines to avoid parasitic coupling or EMI degradation. |
Key Features
| Feature | Design Value |
|---|---|
| TruST25 Digital Signature | Factory-programmed 256-bit cryptographic signature enabling hardware-root-of-trust verification to detect cloned or counterfeit tags. |
| Three-Area Memory Protection | Configurable split into Area 0 (always readable), Area 1, and Area 2 - each independently secured by 32-bit encrypted passwords for granular access control. |
| Kill & Untraceable Modes | Irreversible Kill mode mutes all RF responses; Untraceable mode suppresses UID during inventory - both enforce GDPR-compliant consumer privacy. |
| EAS Integration | Built-in Electronic Article Surveillance flag (256-bit EAS memory) - enables seamless integration with retail loss-prevention gateways without external logic. |
| 16-Bit Event Counter | Monotonic counter with anti-tearing protection - tracks authentications, scans, or tamper events for audit logging in regulated environments. |
Applications
| Medical Device Authentication | Industrial Equipment Calibration |
|---|---|
|
Use Scenario: Implantable or reusable medical instruments require traceable, tamper-evident identification before sterilization and reuse. IC Role / Device Role / Timing Role: ST25TV512-AP6F3 serves as a secure, passive identity anchor - storing UDI, calibration date, and last-sterilized timestamp in locked EEPROM blocks. Use Value: Tamper-detect loop physically secures the tag to housing; Kill mode permanently disables tag post-disposal, meeting FDA cybersecurity guidance for legacy device decommissioning. |
Use Scenario: CNC machines and test equipment store factory-calibration coefficients and operator-adjusted offsets in field-deployed units. IC Role / Device Role / Timing Role: Acts as a nonvolatile, RF-accessible configuration vault - allowing technicians to read/write calibration data via NFC smartphone without opening enclosures. Use Value: 60-year data retention ensures coefficient validity across equipment lifetime; Fast Read (53 Kbit/s) cuts setup time by 40% vs. legacy ISO 15693 tags during production line verification. |
| Luxury Goods Anti-Counterfeiting | Automotive Spare Parts Verification |
|
Use Scenario: High-value fashion accessories embed NFC tags to enable consumers to verify authenticity using brand apps. IC Role / Device Role / Timing Role: Provides cryptographically signed UID and TruST25 signature - validated server-side against ST's secure cloud service upon phone tap. Use Value: Untraceable mode prevents UID harvesting during retail display; encrypted Area 2 stores brand-specific challenge-response seeds inaccessible without password handshake. |
Use Scenario: OEMs embed tags in brake pads, airbags, and ECUs to prevent installation of non-certified replacement parts. IC Role / Device Role / Timing Role: Functions as a secure part pedigree carrier - storing manufacturer ID, production lot, and OEM authorization code in write-locked system configuration area. Use Value: EAS capability integrates with service bay scanners for automatic part compliance check; Kill command disables tag if part is removed from vehicle, blocking resale. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NFC/RFID tag IC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ST25TV02K-AP6F3 | Same die, 2-Kbit capacity, identical pinout and feature set - differs only in default memory organization (two-area vs. three-area) and kill command option_flag requirement. | Preferred where simplified two-area password scheme suffices and kill command flexibility is not required. | Select when full ST25TV512 feature parity is unnecessary and BOM consolidation with ST25TV02K is prioritized. |
| NXP NT3H2211W0FHKH | 1-Kbit EEPROM, NFC Forum Type 4 compliant (ISO 14443A), lacks tamper detect, EAS, and TruST25; supports NDEF but no Fast Read or kill/untraceable modes. | Suitable for basic NFC data exchange (e.g., URL launch), not for high-security authentication or anti-tamper use cases. | Choose only for cost-sensitive, low-security NFC handover - not a functional substitute for ST25TV512-AP6F3's security stack. |
Compared with ST25TV02K-AP6F3, the ST25TV512-AP6F3 offers finer-grained three-area memory protection and more flexible kill command handling; versus NT3H2211, it delivers superior security primitives (tamper detect, TruST25, EAS) and ISO 15693 long-range operation essential for industrial authentication.
Availability
ST25TV512-AP6F3 is available at Aetrix Electronics and suitable for medical device authentication, industrial calibration storage, luxury goods anti-counterfeiting, and automotive spare parts verification requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for ST25TV512-AP6F3 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, analog ICs, MEMS, and secure silicon solutions for industrial, automotive, and consumer markets.
The ST25TV family targets high-assurance contactless identification - engineered specifically for anti-counterfeiting, product authentication, and privacy-preserving NFC applications demanding hardware-enforced security primitives.
FAQ
What is the function of the TD0 and TD1 pins on ST25TV512-AP6F3?
TD0 and TD1 form a dedicated tamper-detect loop interface that monitors for open-circuit or short-circuit conditions on an externally wired loop. When breached, the IC sets the TAMPER_DETECT flag in its system configuration register (address 05h), and this state persists until power cycle - enabling forensic tamper evidence in medical, automotive, or secure logistics applications.
How does the Kill mode differ from Untraceable mode in ST25TV512-AP6F3?
Kill mode permanently disables all RF communication by muting responses to any command, including inventory requests - irreversible and intended for end-of-life disposal. Untraceable mode suppresses UID transmission during inventory while retaining full read/write functionality for authorized users - designed for GDPR-compliant consumer privacy during retail display or public handling.
Can ST25TV512-AP6F3 be used with standard NFC smartphones without custom reader firmware?
Yes - as an NFC Forum Type 5 tag certified to ISO/IEC 15693, it is natively supported by Android and iOS devices with NFC capabilities. Smartphones can perform standard read/write operations, Fast Read, and inventory commands without driver or firmware modification; advanced features like TruST25 verification require integration with ST's reference software libraries.
What is the purpose of the internal tuning capacitance values (23 pF and 99.7 pF) in ST25TV512-AP6F3?
The internal 23 pF and 99.7 pF capacitance options allow designers to select optimal resonance tuning for the external antenna coil without adding discrete capacitors. This simplifies PCB layout, improves RF efficiency across varying coil geometries, and maintains consistent read range performance - especially critical in space-constrained or high-volume consumer packaging applications.
ST25TV512-AP6F3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- ST25T
- Package/Case:
- Die
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- RFID Transponder
- Frequency:
- 13.56MHz
- Standards:
- ISO 15693, NFC
- Interface:
- -
- Voltage - Supply:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- Wafer
ST25TV512-AP6F3 FAQ
1.How can I place an order for ST25TV512-AP6F3 through Aetrix?
Please submit a Request for Quotation (RFQ) for ST25TV512-AP6F3 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ST25TV512-AP6F3 reliable?
The price and inventory of ST25TV512-AP6F3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ST25TV512-AP6F3 is usually 5 days.
3.What payment methods are accepted for ST25TV512-AP6F3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ST25TV512-AP6F3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ST25TV512-AP6F3?
ST25TV512-AP6F3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ST25TV512-AP6F3 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ST25TV512-AP6F3?
For technical support, including ST25TV512-AP6F3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ST25TV512-AP6F3 requirements.
6.How does Aetrix verify that ST25TV512-AP6F3 is sourced from the original manufacturer or authorized distributors?
All ST25TV512-AP6F3 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ST25TV512-AP6F3 meets industry standards.
7.What is the process for return or replacement of ST25TV512-AP6F3?
All ST25TV512-AP6F3 units undergo pre-shipment inspection (PSI). If there is an issue with ST25TV512-AP6F3, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ST25TV512-AP6F3 part is unused and in its original packaging.
Return procedure for ST25TV512-AP6F3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ST25TV512-AP6F3 Tags
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