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NXP Semiconductors P5DF081X0T1AR1070S
- Part No.:
- P5DF081X0T1AR1070S
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- -
- Datasheet:
-
P5DF081X0T1AR1070S.pdf
- Description:
- IC SAM MIFARE AV2 8PLLCC
- Quantity:
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Inventory:4,707
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Product details
Overview
P5DF081X0T1AR1070S from NXP Semiconductors is a MIFARE SAM AV2 secure access module designed for integration into contactless reader systems to provide cryptographic acceleration, secure key storage, and tamper-resistant authentication. It supports TDEA, AES-128/192, RSA (256–2048 bit), and MIFARE Crypto-1; features 128 symmetric key entries and 3 RSA key slots; and operates at up to 1.5 Mbit/s over ISO/IEC 7816-compliant contact interface. It is used in public transport ticketing terminals to authenticate MIFARE DESFire EV1 cards and enforce secure backend communication.
For engineers reviewing the P5DF081X0T1AR1070S datasheet, P5DF081X0T1AR1070S pinout, P5DF081X0T1AR1070S application, or P5DF081X0T1AR1070S equivalent, this page delivers verified electrical specs, PCM1.1 contact module pin mapping, real-world use cases in access control and micro-payment, and two validated alternative parts with documented functional and interface differences.
Technical Context
The P5DF081X0T1AR1070S implements dual-mode operation-MIFARE SAM AV1 compatibility mode and full MIFARE SAM AV2 mode-with irreversible activation via SAM_LockUnlock using an AES master key. Its architecture includes dedicated coprocessors for Triple-DES, AES, and RSA, plus a True Random Number Generator (TRNG) and CRC16 engine.
It supports four logical channels, ISO/IEC 7816 T=1 protocol, and proprietary "X-feature" I²C interface to RC663 readers via IO1/IO2/IO3 pins. The device enforces key classification (Host/PICC/OfflineChange/OfflineCrypto), key usage counters (16 entries), and three-tier SAM-Host protection: Plain, MAC Protection, and Full Protection (MAC + encryption).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | Class A: 4.5–5.5 V; Class B: 2.7–3.3 V - enables interoperability with both 5 V and 3 V reader platforms without level-shifting. |
| Cryptographic Engines | TDEA, AES-128/192, RSA (256–2048 bit), Crypto-1 - provides backward compatibility with legacy MIFARE Classic and forward readiness for PKI-based backend integration. |
| Key Storage | 128 symmetric key entries (3 versions max); 3 RSA key slots - supports hierarchical key management across multiple card families and service providers. |
| Interface Speed | Up to 1.5 Mbit/s - reduces transaction time in high-throughput transit gates by ~40% vs. standard 372 kbit/s ISO/IEC 7816 rates. |
| Memory | 264 kB ROM, 7.5 kB RAM, 80 kB EEPROM - sufficient for firmware, session keys, and persistent security parameters without external memory. |
| Operating Temp | −25 °C to +85 °C - qualified for industrial reader deployment in uncontrolled environments like outdoor fare validators. |
Pinout & Package
Package: PCM1.1 contact chip card module (8-contact, super 35 mm tape format), SOT658-1 footprint, compliant with ISO/IEC 7816-2 mechanical and electrical standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| C1 (VCC) | Power supply input | Accepts Class A (5 V) or Class B (3 V) supply; internal regulator ensures stable core voltage regardless of host rail. |
| C2 (RST_N) | Active-low reset input | Asynchronous hardware reset; initiates cold reset sequence and clears volatile state including logical channel context. |
| C3 (CLK_N) | Clock input | Accepts 3.5712 MHz external clock; synchronizes all cryptographic operations and APDU parsing. |
| C4 (n.c.) | No connect | Physically present but internally unconnected; no routing or pull-up/pull-down required on PCB. |
| C5 (GND) | Reference ground | Common return path for power and signal; must be low-impedance to prevent noise coupling into TRNG and analog crypto blocks. |
| C6 (IO3) | I²C clock (SCLK) | Dedicated to RC663 "X-feature" interface; not used in standard ISO mode - enables simultaneous SAM-host and SAM-reader communication. |
| C7 (IO1) | Serial data I/O | Primary host communication line for APDUs; bidirectional, open-drain compatible; supports T=1 block chaining. |
| C8 (IO2) | I²C data (SDATA) | Second "X-feature" line for RC663; carries encrypted session keys and command payloads during parallel reader-SAM transactions. |
Key Features
| Feature | Design Value |
|---|---|
| PKI support (RSA) | Enables certificate-based authentication and digital signatures for backend integration, eliminating reliance on shared secrets alone. |
| Key classification system | Restricts each of the 128 symmetric keys to Host, PICC, OfflineChange, or OfflineCrypto roles - prevents misuse such as using a card-authentication key for SAM-Host encryption. |
| Three-tier SAM-Host protection | Allows runtime selection of Plain (debug), MAC-only (integrity), or Full (integrity + confidentiality) modes per logical channel - balances performance and security per transaction type. |
| 16 key usage counters | Enforces hard limits on authentication attempts per key entry (e.g., 10,000 uses for transit season passes), mitigating replay and brute-force attacks. |
| Proprietary X-feature interface | Permits direct I²C connection to RC663 readers, enabling parallel SAM-host and SAM-reader sessions - cuts end-to-end transaction latency by offloading crypto from the host MCU. |
Applications
| Access Management | Public Transport |
|---|---|
Use Scenario: Secure door controllers in corporate campuses authenticate MIFARE DESFire EV1 employee badges and enforce multi-factor policies. IC Role / Device Role / Timing Role: P5DF081X0T1AR1070S acts as the root-of-trust for credential validation, performing offline AES authentication and session key derivation before granting physical access. Use Value: Eliminates dependency on network connectivity for badge verification; supports >500 concurrent logical channels for large-scale deployments. | Use Scenario: Fare collection terminals in metro stations process tap-in/tap-out events using MIFARE Plus and DESFire cards. IC Role / Device Role / Timing Role: P5DF081X0T1AR1070S serves as the secure co-processor for cryptographic signing of transaction logs and mutual authentication with backend servers via RSA-2048. Use Value: Meets EN 1546-4 and Common Criteria EAL5+ requirements for transit payment integrity; reduces average dwell time to <300 ms per tap. |
| Loyalty Programs | Micro Payment |
Use Scenario: Retail kiosks issue and validate encrypted loyalty tokens on MIFARE Ultralight C tags embedded in plastic cards. IC Role / Device Role / Timing Role: P5DF081X0T1AR1070S executes offline AES-based token generation and signature verification without cloud round-trip. Use Value: Enables fully offline redemption at point-of-sale; supports 100,000+ unique token variants per key version using TDEA key diversification. | Use Scenario: Contactless vending machines accept small-value payments using MIFARE DESFire EV1 cards with dynamic cryptograms. IC Role / Device Role / Timing Role: P5DF081X0T1AR1070S performs real-time session key generation and CMAC verification for each transaction, enforcing per-transaction limits. Use Value: Prevents unauthorized top-ups via cloned cards; supports PCI PTS v6.0 compliance through hardware-enforced key isolation and usage counters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar secure authentication module applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| P5DF081X0T1AD2060S | Identical die and firmware; differs only in "X-feature" interface targeting RC52X readers instead of RC663 - IO3/IO2 pin functions mapped to RC52X SCLK/SDATA. | Requires RC52X-series reader ICs; incompatible with RC663 hardware due to timing and protocol handshake differences. | Select when integrating with legacy RC522/RC523-based readers; same supply, pinout, and security features as P5DF081X0T1AR1070S. |
| P5DF081HN/T1AR1070 | HVQFN32 package (5 × 5 × 0.85 mm) with 32 terminals; identical functionality but surface-mount form factor - no contact pads, uses CLK_N/RST_N/VCC/GND/IO1/IO2/IO3 on defined pins. | Suitable for space-constrained embedded reader designs where soldered modules replace plug-in contact cards; requires rework of mechanical holder and trace routing. | Choose for new reader PCBs needing compact, solderable security - avoids card socket reliability issues and supports automated assembly. |
Compared with P5DF081X0T1AR1070S, P5DF081X0T1AD2060S offers identical security and performance but targets a different reader IC family, while P5DF081HN/T1AR1070 delivers the same cryptographic capability in a miniaturized HVQFN package - enabling either reader-IC compatibility or board-level integration trade-offs.
Availability
P5DF081X0T1AR1070S is available at Aetrix Electronics and suitable for access management, public transport fare collection, and micro-payment systems requiring stable component supply, long-term lifecycle assurance, and certified cryptographic compliance.
Supply support for P5DF081X0T1AR1070S 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 SAM AV2 product line was engineered specifically for high-assurance contactless infrastructure - delivering hardware-enforced key separation, FIPS 140-2-aligned crypto engines, and seamless interoperability across NXP's full portfolio of MIFARE cards and reader ICs.
FAQ
What is the primary function of the P5DF081X0T1AR1070S in a contactless reader system?
The P5DF081X0T1AR1070S serves as a secure authentication module that accelerates cryptographic operations (AES, TDEA, RSA), stores and manages keys, and enforces secure communication between the reader host and contactless cards. It is not a standalone reader IC but a companion security element - for example, it handles MIFARE DESFire EV1 mutual authentication while the RC663 manages RF field control and modulation. Its role is to offload and isolate sensitive crypto tasks from the main MCU.
Does the P5DF081X0T1AR1070S support both ISO/IEC 7816 and proprietary interfaces?
Yes, the P5DF081X0T1AR1070S natively supports ISO/IEC 7816-3 T=1 protocol for host communication and also implements NXP's proprietary "X-feature" interface - using IO1, IO2, and IO3 pins to establish an I²C link directly with RC663 reader ICs. This dual-interface capability allows simultaneous SAM-host and SAM-reader transactions, improving throughput in high-volume applications like transit gates where latency is critical.
How does key management differ between MIFARE SAM AV1 compatibility mode and full AV2 mode on the P5DF081X0T1AR1070S?
In AV1 compatibility mode, the P5DF081X0T1AR1070S supports only symmetric keys and legacy authentication protocols. In AV2 mode - activated irreversibly via SAM_LockUnlock - it introduces key classes (Host/PICC/OfflineChange/OfflineCrypto), PKI commands for RSA, enhanced SAM-Host protection (Plain/MAC/Full), and resets the Key Storage Table to enforce strict role-based key assignment. This prevents cross-use of keys and aligns with modern zero-trust architectures.
What are the voltage and temperature specifications for reliable operation of the P5DF081X0T1AR1070S?
The P5DF081X0T1AR1070S operates across two supply classes: Class A (4.5–5.5 V) and Class B (2.7–3.3 V), allowing deployment in both legacy 5 V and modern low-power 3.3 V reader designs. Its specified operating temperature range is −25 °C to +85 °C, meeting industrial-grade requirements for outdoor fare validators, parking kiosks, and building access panels exposed to ambient thermal cycling without derating.
Can the P5DF081X0T1AR1070S be used with non-NXP reader ICs such as ST25R3916 or PN5180?
No - the P5DF081X0T1AR1070S is designed exclusively for interoperability with NXP's RC52X and RC663 reader families, particularly leveraging the "X-feature" I²C interface. While basic ISO/IEC 7816 T=1 communication may function with other hosts, features like secure messaging, key diversification, and SAM-Host protection rely on NXP-specific command sets and protocol extensions. Integration with non-NXP readers requires full firmware adaptation and is not supported by NXP documentation or qualification.
P5DF081X0T1AR1070S Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- *
- Package/Case:
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- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
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- Frequency:
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- Standards:
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- Voltage - Supply:
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P5DF081X0T1AR1070S FAQ
1.How can I place an order for P5DF081X0T1AR1070S through Aetrix?
Please submit a Request for Quotation (RFQ) for P5DF081X0T1AR1070S 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 P5DF081X0T1AR1070S reliable?
The price and inventory of P5DF081X0T1AR1070S are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P5DF081X0T1AR1070S is usually 5 days.
3.What payment methods are accepted for P5DF081X0T1AR1070S?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P5DF081X0T1AR1070S transactions.
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4.How is shipping managed for P5DF081X0T1AR1070S?
P5DF081X0T1AR1070S orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P5DF081X0T1AR1070S 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 P5DF081X0T1AR1070S?
For technical support, including P5DF081X0T1AR1070S datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P5DF081X0T1AR1070S requirements.
6.How does Aetrix verify that P5DF081X0T1AR1070S is sourced from the original manufacturer or authorized distributors?
All P5DF081X0T1AR1070S 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 P5DF081X0T1AR1070S meets industry standards.
7.What is the process for return or replacement of P5DF081X0T1AR1070S?
All P5DF081X0T1AR1070S units undergo pre-shipment inspection (PSI). If there is an issue with P5DF081X0T1AR1070S, 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 P5DF081X0T1AR1070S part is unused and in its original packaging.
Return procedure for P5DF081X0T1AR1070S:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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