NXP Semiconductors MF1SEP1001DA8/03J
- Part No.:
- MF1SEP1001DA8/03J
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- MOA8, Smart Card Module
- Datasheet:
-
MF1SEP1001DA8/03J.pdf
- Description:
- IC RFID TRANSP 13.56MHZ PLLMC
- Quantity:
- Payment:

- Shipping:

Inventory:3,900
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Product details
Overview
MF1SEP1001DA8/03J from NXP Semiconductors is a contactless smart card IC implementing MIFARE Plus SE security architecture, providing full functional compatibility with MIFARE Classic 1K while supporting AES-128 authentication and data encryption in Security Level 3. It features 1 kB EEPROM organized in 16 sectors, 7-byte UID, and operates at 13.56 MHz per ISO/IEC 14443-3A for public transport ticketing and access control systems.
For engineers reviewing the MF1SEP1001DA8/03J datasheet, MF1SEP1001DA8/03J pinout, MF1SEP1001DA8/03J application, or MF1SEP1001DA8/03J equivalent, this page delivers verified technical context, memory mapping, security-level behavior, antenna interface details, and migration-specific design considerations for seamless integration into legacy MIFARE Classic infrastructure.
Technical Context
The MF1SEP1001DA8/03J implements dual-protocol operation: backwards-compatible MIFARE Classic command set (Security Levels 0–1) and ISO/IEC 14443-4 T=CL protocol (Security Level 3), enabling phased migration from CRYPTO1 to AES-128. Its memory includes manufacturer block (block 0), 15 user sectors with value-block support, and AES keys stored separately atop data blocks.
Security Level 3 enforces mandatory AES mutual authentication, MAC-secured commands/responses, and multi-sector authentication using identical keys-reducing transaction overhead. Anti-tearing protection applies to AES key updates and sector trailer writes, ensuring EEPROM integrity during field interruption.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory capacity | 1 kB EEPROM, organized as 16 sectors × 4 blocks × 16 bytes; supports binary and value-block operations. |
| Communication standard | ISO/IEC 14443-3A (Type A) at 13.56 MHz; supports both legacy anticollision and RATS/PPS in T=CL mode. |
| Crypto engine | AES-128 co-processor for authentication, encryption, and MAC generation; CRYPTO1 engine retained for SL0/SL1 compatibility. |
| UID format | 7-byte unique UID (not NUID); factory-programmed and write-protected; supports optional Random ID in SL3. |
| Input capacitance | 17.0 pF typical (measured at 13.56 MHz, 2.8 V RMS); optimized for standard 13.56 MHz antenna matching. |
| Write endurance | 200,000 typical write cycles (excluding anti-tearing protected AES key/sector trailer writes). |
| Data retention | 10 years at Tamb = 22 °C; validated for long-life deployment in transit and ID cards. |
Pinout & Package
MF1SEP1001DA8/03J uses SOT500-4 plastic leadless module carrier (PLLMC) package with two antenna bonding pads (LA and LB) for RF coupling. No active electrical pins-fully contactless interface via integrated coil connection points.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LA | Antenna coil connection A | Primary RF input terminal; connects to one end of external loop antenna for 13.56 MHz energy harvesting and communication. |
| LB | Antenna coil connection B | Secondary RF input terminal; completes resonant LC circuit with LA and external antenna; defines impedance match and read range. |
Key Features
| Feature | Design Value |
|---|---|
| Seamless MIFARE Classic migration path | Operates identically to MIFARE Classic 1K in SL1 while enabling AES upgrade without infrastructure overhaul. |
| Virtual Card Support | Enables UID retrieval via Virtual Card Support Last command when Random ID is active-critical for system-level UID management. |
| NXP originality check | AES-based authentication against factory-stored originality key verifies genuine NXP silicon, preventing counterfeit use. |
| Multi-sector authentication | Single AES authentication grants access across multiple sectors secured with identical keys-reducing transaction latency by up to 60% in multi-sector applications. |
| Anti-tearing for AES keys | Hardware-enforced atomic update of AES keys ensures EEPROM remains in valid state even if power is lost mid-write. |
Applications
| Public Transportation Ticketing | Physical Access Control |
|---|---|
Use Scenario: Contactless fare payment in metro/bus systems with legacy MIFARE Classic readers upgraded incrementally to AES. IC Role / Device Role / Timing Role: Secure credential storage and AES-authenticated transaction execution at reader field; handles value-block increments/decrements. Use Value: Enables phased backend security upgrade while maintaining full interoperability with installed base of SL1 readers-no reader replacement required during transition. |
Use Scenario: Employee badge granting door access in corporate campuses with centralized credential management. IC Role / Device Role / Timing Role: Stores encrypted access permissions and supports SL3 AES mutual authentication to prevent cloning or relay attacks. Use Value: Provides tamper-resistant identity verification using NXP originality check and MAC-secured command/response flow-meeting ISO/IEC 14443-4 compliance requirements. |
| Electronic Toll Collection | School & Campus ID Cards |
Use Scenario: High-speed vehicle identification at toll plazas where fast, reliable read/write is essential under motion. IC Role / Device Role / Timing Role: Performs rapid multi-block read/write with SL3 MAC-secured commands; leverages 848 kbit/s communication speed. Use Value: Achieves sub-100 ms transaction time using multi-sector authentication and optimized AES session key derivation-critical for throughput at highway speeds. |
Use Scenario: Multi-function student ID used for library access, cafeteria payments, and exam attendance tracking. IC Role / Device Role / Timing Role: Hosts segregated application data across sectors with independent access conditions; supports value-block operations for meal balance. Use Value: Allows secure, isolated storage of sensitive academic records and financial balances on single card-enabling policy-driven access control per application domain. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar contactless smart card IC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MF1ICS50 | MIFARE Classic 1K IC with CRYPTO1 only; no AES support; 1 kB EEPROM; 7-byte UID; same SOT500-4 package. | Limited to SL0/SL1 security; no SL3 migration path; incompatible with AES-only infrastructure. | Select when cost-sensitive deployment requires zero-security-upgrade legacy compatibility only. |
| MF1PLUSX0Y1 | MIFARE Plus X-series with extended SL3 features: faster AES engine, enhanced random number generator, and optional 4-byte NUID variant. | Higher performance in high-throughput environments; broader UID configuration options; not drop-in compatible due to different memory layout. | Select when new deployments require maximum future-proofing and higher transaction throughput beyond MF1SEP1001DA8/03J capabilities. |
Compared with MF1ICS50, MF1SEP1001DA8/03J adds AES-128 migration readiness and originality verification; compared with MF1PLUSX0Y1, it trades advanced crypto acceleration for strict MIFARE Classic 1K behavioral parity-making it optimal for incremental infrastructure upgrades.
Availability
MF1SEP1001DA8/03J is available at Aetrix Electronics and suitable for public transportation ticketing, physical access control, and electronic toll collection requiring stable component supply and long-term lifecycle assurance.
Supply support for MF1SEP1001DA8/03J 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 over 20 years of leadership in contactless smart card technology.
The MIFARE Plus SE product line was designed specifically to enable secure, backward-compatible migration from MIFARE Classic systems-prioritizing interoperability, AES adoption readiness, and field-proven reliability in high-volume credential applications.
FAQ
What security levels does MF1SEP1001DA8/03J support, and how do they differ?
MF1SEP1001DA8/03J supports Security Level 0 (pre-personalization), Level 1 (MIFARE Classic 1K compatibility with optional AES auth), and Level 3 (AES-128 mutual authentication and MAC-secured transactions). SL1 maintains full command and timing compatibility with MIFARE Classic 1K readers, while SL3 mandates ISO/IEC 14443-4 and disables legacy protocol-ensuring cryptographic robustness without breaking existing infrastructure during transition. MF1SEP1001DA8/03J enables staged migration by allowing SL1 operation until backend systems are ready for SL3.
Does MF1SEP1001DA8/03J support both 4-byte and 7-byte UIDs?
No-MF1SEP1001DA8/03J is specifically ordered with 7-byte UID (per Table 2 ordering information), which is globally unique and factory-programmed into write-protected NV memory. The 4-byte NUID variant is designated by part numbers ending in "1031" (e.g., MF1SEP1031DA8/03), not MF1SEP1001DA8/03J. UID length is fixed at wafer sort and cannot be altered post-manufacture. MF1SEP1001DA8/03J's 7-byte UID ensures unambiguous device identification in large-scale deployments like metro systems.
How is the antenna interface implemented on MF1SEP1001DA8/03J?
MF1SEP1001DA8/03J uses a two-terminal RF interface: LA and LB bonding pads connect directly to the ends of an external printed loop antenna. These pads form a resonant LC circuit tuned to 13.56 MHz, with measured input capacitance of 17.0 pF (typical). No internal matching network is included-the antenna design must provide full impedance matching and sufficient Q-factor for reliable 10 cm+ read range. MF1SEP1001DA8/03J's SOT500-4 package places LA/LB on opposite edges for optimal layout symmetry in card laminates.
Can MF1SEP1001DA8/03J be used in Random ID mode, and what is required to enable it?
Yes-MF1SEP1001DA8/03J supports Random ID in Security Level 3, configurable during personalization using the Virtual Card Support Last command. To activate it, the card must first be switched to SL3, then Random ID enabled via appropriate access bits and command sequence. When active, the first anticollision loop returns a 3-byte random number instead of UID; full UID retrieval requires issuing Virtual Card Support Last or reading block 0. MF1SEP1001DA8/03J's implementation complies strictly with ISO/IEC 14443-3 for privacy-sensitive applications like event access where UID exposure must be minimized.
What is the role of the anti-tearing mechanism for AES keys in MF1SEP1001DA8/03J?
The anti-tearing mechanism in MF1SEP1001DA8/03J ensures atomic, failure-safe updates of AES keys and sector trailers in Security Level 3. If power is interrupted during a key write, the PICC hardware guarantees EEPROM remains in either pre-update or fully committed state-never partially written. This prevents credential corruption or security downgrade during field operations. MF1SEP1001DA8/03J implements this entirely in silicon, requiring no host-side recovery logic, making it suitable for unattended kiosks and mobile personalization devices where power instability is common.
MF1SEP1001DA8/03J Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- MOA8, Smart Card Module
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- RFID Transponder
- Frequency:
- 13.56MHz
- Standards:
- ISO 14443
- Interface:
- UART
- Voltage - Supply:
- -
- Operating Temperature:
- -25°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PLLMC
MF1SEP1001DA8/03J FAQ
1.How can I place an order for MF1SEP1001DA8/03J through Aetrix?
Please submit a Request for Quotation (RFQ) for MF1SEP1001DA8/03J 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 MF1SEP1001DA8/03J reliable?
The price and inventory of MF1SEP1001DA8/03J are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MF1SEP1001DA8/03J is usually 5 days.
3.What payment methods are accepted for MF1SEP1001DA8/03J?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MF1SEP1001DA8/03J transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MF1SEP1001DA8/03J?
MF1SEP1001DA8/03J orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MF1SEP1001DA8/03J 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 MF1SEP1001DA8/03J?
For technical support, including MF1SEP1001DA8/03J datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MF1SEP1001DA8/03J requirements.
6.How does Aetrix verify that MF1SEP1001DA8/03J is sourced from the original manufacturer or authorized distributors?
All MF1SEP1001DA8/03J 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 MF1SEP1001DA8/03J meets industry standards.
7.What is the process for return or replacement of MF1SEP1001DA8/03J?
All MF1SEP1001DA8/03J units undergo pre-shipment inspection (PSI). If there is an issue with MF1SEP1001DA8/03J, 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 MF1SEP1001DA8/03J part is unused and in its original packaging.
Return procedure for MF1SEP1001DA8/03J:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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