NXP Semiconductors MF0UL2101DUF,005
- Part No.:
- MF0UL2101DUF,005
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- Die
- Datasheet:
-
MF0UL2101DUF,005.pdf
- Description:
- IC RFID TRANSP 13.56MHZ DIE
- Quantity:
- Payment:

- Shipping:

Inventory:1,692
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Product details
Overview
MF0UL2101DUF,005 from NXP Semiconductors is a contactless ticket IC compliant with ISO/IEC 14443 Type A, featuring 1024-bit user memory, 17 pF input capacitance, 13.56 MHz operating frequency, and 3 independent 24-bit one-way counters. It serves as a secure, low-cost smart ticket solution for public transit fare collection systems requiring fast (<35 ms) transaction handling and field-programmable page locking.
For engineers reviewing the MF0UL2101DUF,005 datasheet, MF0UL2101DUF,005 pinout, MF0UL2101DUF,005 application, or MF0UL2101DUF,005 equivalent, this page delivers verified technical context, exact memory mapping, security configuration behavior, antenna interface requirements, and real-world deployment constraints for inlay and paper ticket integration.
Technical Context
The MF0UL2101DUF,005 implements a dedicated RF interface with integrated rectifier, clock regenerator, and voltage regulator-enabling full contactless power and data transfer without external components. Its Digital Control Unit supports ISO/IEC 14443-3 anticollision (cascade level 1 & 2), READ/FAST_READ/INCR_CNT/CHK_TEARING_EVENT commands, and password-authenticated memory access via 32-bit PWD and 16-bit PACK.
Memory is organized in 41 pages × 4 bytes (1312-bit total), with 1024-bit user R/W area (pages 04h–23h), 32-bit OTP (page 03h), 3×24-bit counters (pages 29h–2Bh), and configuration pages (25h–28h). Locking is implemented per-page (pages 03h–0Fh) and per-2-pages (pages 10h–23h) using lock bytes 0–4, all supporting anti-tearing write protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Frequency | 13.56 MHz - Enables interoperability with global ISO/IEC 14443 Type A readers and infrastructure. |
| User Memory Size | 1024 bits (32 pages) - Supports extended ticket data payloads including multi-trip history, loyalty points, and dynamic event metadata. |
| Input Capacitance | 17 pF - Matches TFC.0 (Edmondson) ticket format antenna design requirements without external tuning capacitors. |
| One-Way Counters | 3 × 24-bit - Provides tamper-resistant usage tracking (e.g., trip count, entry validation) with 1,000,000-cycle endurance. |
| Data Retention | 10 years at 22 °C - Ensures reliable storage of ticket state across multi-season deployments in uncontrolled environments. |
| Write Endurance | 100,000 cycles (EEPROM), 1,000,000 cycles (counters) - Sustains repeated reissuance or balance updates in reusable ticket applications. |
| Transaction Time | <35 ms typical ticketing, <10 ms counter increment - Meets real-time throughput demands of high-traffic transit gates. |
Pinout & Package
MF0UL2101DUF,005 is supplied as a bare die (FFC Bump) on 8-inch wafer, 75 μm thickness, with Au bumps and electronic fail die marking per SECS-II format. It has no conventional pins; electrical connection is made exclusively via two antenna terminals (LA and LB) bonded to an external coil.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LA | Antenna coil connection A | RF energy harvesting and bidirectional data coupling node; requires impedance-matched loop antenna (typically 1–5 μH). |
| LB | Antenna coil connection B | Completes resonant LC tank with LA; defines input capacitance (17 pF) and enables operation within TFC.0/TFC.1 formats. |
Key Features
| Feature | Design Value |
|---|---|
| Backward compatibility | Fully functional replacement for MF0ICU1 - allows reuse of legacy reader firmware and infrastructure without modification. |
| Field-programmable locking | Per-page (pages 03h–0Fh) and per-2-pages (pages 10h–23h) read-only locking - enables staged personalization and irreversible data sealing during ticket issuance. |
| ECC-based originality signature | Read-out via READ_SIG command - provides cryptographic assurance against counterfeit ICs in high-value transit or event ticketing deployments. |
| Password protection | 32-bit PWD + 16-bit PACK with AUTHLIM-configurable attempt limit - prevents unauthorized memory writes while maintaining low-overhead authentication. |
| Anti-tearing support | Guaranteed atomicity for OTP, counters, and lock bits - ensures data consistency during unexpected RF field loss during write operations. |
Applications
| Public Transportation Fare Collection | Event Access Control |
|---|---|
Use Scenario: Contactless tap-in/tap-out at subway gates using disposable paper tickets or embedded inlaid cards. IC Role / Device Role / Timing Role: Secure, low-latency memory storage for trip validity, balance, and audit trail; operates in <35 ms under ISO/IEC 14443-4 timing constraints. Use Value: Eliminates magnetic stripe wear-out and paper ticket fraud; leverages existing PCD infrastructure with zero reader firmware changes. |
Use Scenario: Single-day festival wristbands or printed admission passes scanned at venue entrances. IC Role / Device Role / Timing Role: Stores unique attendee ID, session permissions, and entry count; uses 24-bit counters to enforce daily visit limits. Use Value: Prevents pass sharing via counter-based validation; supports offline scanning with no backend dependency during peak entry. |
| Loyalty Program Tokens | Reusable Smart Tickets |
Use Scenario: Plastic or paper-based loyalty cards issued by retail chains, accumulating points per purchase. IC Role / Device Role / Timing Role: Non-volatile storage for encrypted point balances and redemption flags; OTP area stores issuer-specific keys. Use Value: Enables offline point accrual/redemption; ECC signature validates card authenticity at POS terminals. |
Use Scenario: Multi-trip commuter cards reloaded via kiosks or mobile NFC, used over 6–12 months. IC Role / Device Role / Timing Role: High-endurance EEPROM (100k cycles) and 10-year data retention maintain reliability across repeated reloads. Use Value: Reduces plastic waste vs. disposable tickets; lock bits prevent tampering with remaining trip count or expiry date. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar contactless ticketing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MF0UL2101DUD | 120 μm die thickness, same 1024-bit memory and 17 pF capacitance | Optimized for thicker inlay substrates or laminated card constructions requiring mechanical robustness | Select when embedding into rigid PVC cards or multi-layer laminates where 75 μm die may fracture during lamination. |
| MF0ULH2101DUF | 50 pF input capacitance, identical memory and package form factor | Designed for TFC.1 (ISO) ticket formats with larger antenna geometries; incompatible with TFC.0 antenna layouts | Choose only when antenna design targets ISO-compliant TFC.1 geometry and requires higher coupling efficiency at longer read ranges. |
Compared with MF0UL2101DUD and MF0ULH2101DUF, the MF0UL2101DUF,005 offers optimal mechanical yield for thin-film paper ticket inlays and guaranteed compatibility with Edmondson-format antennas-making it the default choice for high-volume disposable transit ticket production.
Availability
MF0UL2101DUF,005 is available at Aetrix Electronics and suitable for public transportation fare collection, event access control, loyalty program tokens, and reusable smart tickets requiring stable component supply across multi-year deployments.
Supply support for MF0UL2101DUF,005 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
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and identification markets, with headquarters in Eindhoven, Netherlands.
The MIFARE Ultralight EV1 product line-including MF0UL2101DUF,005-is engineered specifically for cost-sensitive, high-volume contactless ticketing applications where security, reliability, and ISO/IEC 14443 interoperability are mandatory.
FAQ
What is the memory organization of MF0UL2101DUF,005?
The MF0UL2101DUF,005 contains 1312-bit EEPROM organized in 41 pages of 4 bytes each. Pages 00h–02h hold the 7-byte UID and check bytes; page 03h is 32-bit OTP; pages 04h–23h provide 1024-bit user R/W memory; pages 24h–28h contain lock bytes and configuration; and pages 29h–2Bh host three 24-bit one-way counters. This layout is fixed and matches the MF0UL21 variant definition in the official datasheet.
Does MF0UL2101DUF,005 support password protection, and how is it configured?
Yes, MF0UL2101DUF,005 supports 32-bit password (PWD) and 16-bit password acknowledge (PACK) protection. Configuration occurs in pages 27h (PWD) and 28h (PACK), with AUTH0 (page 25h) defining the first protected page address. The ACCESS byte (page 26h) determines whether protection applies to read, write, or both-and CFGLCK can permanently lock configuration pages after power cycling. This mechanism is fully documented in Section 8.5.6 of the MF0ULX1 datasheet.
Can MF0UL2101DUF,005 be used in TFC.0 (Edmondson) ticket formats?
Yes, MF0UL2101DUF,005 is explicitly qualified for TFC.0 ticket formats due to its 17 pF input capacitance, which matches the electrical requirements of Edmondson-standard antennas. The datasheet confirms dual TFC.0/TFC.1 support for 17 pF variants like MF0UL2101DUF,005-unlike 50 pF variants (e.g., MF0ULH2101DUF) that are limited to TFC.1.
What is the purpose of the ECC-based originality signature in MF0UL2101DUF,005?
The ECC-based originality signature in MF0UL2101DUF,005 is accessed via the READ_SIG command and provides cryptographic proof that the IC is a genuine NXP device-not a clone or counterfeit. This feature is critical in high-value transit or event ticketing systems where fraud prevention directly impacts revenue integrity and brand trust.
How does the locking mechanism work for extended memory pages (≥10h) in MF0UL2101DUF,005?
In MF0UL2101DUF,005, pages 10h–23h are locked in 2-page groups using lock bytes 2–4 located in page 24h (36h decimal). Each bit in those three bytes controls locking for a pair of pages (e.g., bit 0 of lock byte 2 locks pages 10h–11h). Once set to 1, the lock is irreversible and enforces read-only access-providing scalable, field-programmable data immutability for issued tickets.
MF0UL2101DUF,005 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- MIFARE® Ultralight
- Package/Case:
- Die
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- RFID Transponder
- Frequency:
- 13.56MHz
- Standards:
- ISO 14443, MIFARE
- Interface:
- -
- Voltage - Supply:
- -
- Operating Temperature:
- -25°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- Die
MF0UL2101DUF,005 FAQ
1.How can I place an order for MF0UL2101DUF,005 through Aetrix?
Please submit a Request for Quotation (RFQ) for MF0UL2101DUF,005 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 MF0UL2101DUF,005 reliable?
The price and inventory of MF0UL2101DUF,005 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MF0UL2101DUF,005 is usually 5 days.
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MF0UL2101DUF,005 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MF0UL2101DUF,005 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 MF0UL2101DUF,005?
For technical support, including MF0UL2101DUF,005 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MF0UL2101DUF,005 requirements.
6.How does Aetrix verify that MF0UL2101DUF,005 is sourced from the original manufacturer or authorized distributors?
All MF0UL2101DUF,005 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 MF0UL2101DUF,005 meets industry standards.
7.What is the process for return or replacement of MF0UL2101DUF,005?
All MF0UL2101DUF,005 units undergo pre-shipment inspection (PSI). If there is an issue with MF0UL2101DUF,005, 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 MF0UL2101DUF,005 part is unused and in its original packaging.
Return procedure for MF0UL2101DUF,005:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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