NXP Semiconductors P5DF081HN/T1AR1070
- Part No.:
- P5DF081HN/T1AR1070
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
P5DF081HN/T1AR1070.pdf
- Description:
- IC SAM MIFARE AV2 32HVQFN
- Quantity:
- Payment:

- Shipping:

Inventory:746
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P5DF081HN/T1AR1070 from NXP Semiconductors is a secure access module (SAM) designed for integration with RC663 contactless reader ICs via the "X-feature" interface, providing cryptographic acceleration and secure key management for MIFARE-based systems. It supports TDEA, AES-128/192, RSA (256–2048-bit), and MIFARE Crypto-1; stores 128 symmetric keys and 3 RSA key entries; and operates at up to 1.5 Mbit/s over ISO/IEC 7816-compliant contact interface in Class A (5 V) or Class B (3 V) supply ranges.
For engineers reviewing the P5DF081HN/T1AR1070 datasheet, P5DF081HN/T1AR1070 pinout, P5DF081HN/T1AR1070 application, or P5DF081HN/T1AR1070 equivalent, this page delivers verified functional scope, HVQFN32 package mapping, SAM–host secure messaging modes (Plain/MAC/Full Protection), interoperability with MIFARE DESFire EV1 and Plus, and real-world deployment constraints for public transport and micro-payment terminals.
Technical Context
The P5DF081HN/T1AR1070 implements a dual-mode security architecture: MIFARE SAM AV1 compatibility mode (for legacy migration) and native AV2 mode enabling PKI commands, key classification (Host/PICC/OfflineChange/OfflineCrypto), and enhanced SAM–host protection using AES-based secure messaging. Its embedded coprocessors handle TDEA, AES, RSA, and SHA-1/224/256 operations independently of the host CPU.
It interfaces exclusively via ISO/IEC 7816-2/3 compliant contact pads in HVQFN32 package, with dedicated I²C lines (IO1, IO2, IO3) for direct connection to RC663 reader ICs under the "X-feature" topology-enabling simultaneous SAM–microcontroller and SAM–reader communication without protocol bridging or external arbitration.
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 direct integration into 3.3 V or 5 V reader power domains without level-shifting. |
| Max Bit Rate | 1.5 Mbit/s - supports high-throughput secure session establishment and key exchange in transit fare collection cycles. |
| Symmetric Key Capacity | 128 entries × 3 versions (AES-128/192, TDEA, DES, MIFARE) - allows full key lifecycle management across multiple MIFARE card families. |
| Asymmetric Key Capacity | 3 RSA entries (256–2048-bit modulus) - enables backend-signed certificate validation and offline signature generation for EMV-compliant micro-payment. |
| Memory Resources | 264 kB ROM, 7680 B program RAM, 80 kB EEPROM, 16-bit timers, TRNG - provides deterministic execution of crypto primitives and tamper-resistant key storage. |
| Interface Standard | Fully compliant ISO/IEC 7816-2/3 contact interface - ensures interoperability with certified smartcard readers and avoids custom driver development. |
| Operating Temp | −25 °C to +85 °C - validated for deployment in uncontrolled environments such as outdoor ticket validators and parking kiosks. |
Pinout & Package
Package: HVQFN32 (SOT617-3), plastic thermal enhanced very thin quad flat package; no leads; 32 terminals; body 5 × 5 × 0.85 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VSS (Pin 1) | GND | Reference voltage input - must be connected to system ground plane with low-inductance path for noise immunity during cryptographic operations. |
| IO3 (Pin 3) | I²C SCLK | Clock line for X-feature interface to RC663 - synchronizes secure command forwarding between SAM and reader IC. |
| IO1 (Pin 5) | Serial Data I/O | Half-duplex bidirectional data line for host-to-SAM APDU exchange - used for SAM_AuthenticateHost and key management commands. |
| IO2 (Pin 7) | I²C SDATA | Data line for X-feature interface to RC663 - carries encrypted session keys and PICC authentication responses. |
| CLK_N (Pin 18) | Clock Input | 3.5712 MHz external clock input - drives internal CPU and crypto coprocessors; tolerance ±0.5% required for ATR timing compliance. |
| RST_N (Pin 22) | Reset Input | Active-low asynchronous reset - initiates cold reset sequence and forces ATR transmission per ISO/IEC 7816-3. |
| VCC (Pin 24) | Power Supply | Primary supply input - must be decoupled with ≥100 nF ceramic capacitor placed within 2 mm of pin for stable crypto operation. |
Key Features
| Feature | Design Value |
|---|---|
| X-feature interface support | Enables concurrent SAM–host and SAM–RC663 communication paths, eliminating serial polling delays and reducing end-to-end transaction latency by >40% in multi-card environments. |
| Three SAM–host protection modes | Plain, MAC Protection, and Full Protection (MAC + encryption) allow runtime selection of security overhead vs. throughput trade-offs per logical channel. |
| Key classification (AV2 mode) | Host/PICC/OfflineChange/OfflineCrypto key classes enforce strict usage boundaries - preventing misuse of PICC keys for host authentication or vice versa. |
| 16-key usage counters | Hardware-enforced limits on authentication attempts per key entry - critical for preventing brute-force attacks on loyalty program keys or transit season passes. |
| Proprietary ATR toggling | Automatic warm-reset ATR switching between negotiable (F=372/D=12) and high-speed (F=128/D=32) modes - simplifies host driver initialization without manual PPS negotiation. |
Applications
| Access Management | Public Transport |
|---|---|
Use Scenario: Secure door controllers in corporate campuses requiring mutual authentication between SAM-equipped readers and MIFARE DESFire EV1 employee badges. IC Role / Device Role / Timing Role: P5DF081HN/T1AR1070 acts as trusted execution environment for DESFire session key derivation and CMAC verification - offloading crypto from MCU and enforcing policy-based access rules. Use Value: Enables role-based access with dynamic key rotation and audit-trail logging via SAM-Host secure messaging, meeting ISO/IEC 27001 physical access control requirements. | Use Scenario: Fare collection terminals validating MIFARE Plus cards in metro turnstiles with <150 ms transaction time. IC Role / Device Role / Timing Role: P5DF081HN/T1AR1070 executes offline MIFARE Plus authentication and session key generation - eliminating backend dependency and enabling offline blacklisting. Use Value: Achieves sub-100 ms cryptographic handshake using X-feature I²C link to RC663, sustaining 30+ transactions/minute per lane under peak passenger flow. |
| Loyalty Programs | Micro Payment |
Use Scenario: Retail point-of-sale terminals issuing cryptographically signed loyalty points onto MIFARE Ultralight C tags. IC Role / Device Role / Timing Role: P5DF081HN/T1AR1070 performs offline AES-MAC signing of point balances and validates tag integrity - preventing replay or tampering of stored value. Use Value: Supports offline issuance with zero backend latency and tamper-proof balance storage, enabling rapid deployment in remote or low-connectivity stores. | Use Scenario: Contactless vending machines accepting EMV-compliant micro-payments using MIFARE DESFire EV1 cards. IC Role / Device Role / Timing Role: P5DF081HN/T1AR1070 verifies RSA-signed transaction certificates and derives session keys for encrypted payload exchange with backend servers. Use Value: Enables PCI DSS-aligned payment processing with hardware-rooted key storage and FIPS 140-2 Level 2–equivalent cryptographic isolation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar secure access module applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| P5DF081HN/T1AD2060 | Identical silicon and firmware; differs only in X-feature interface targeting RC52X reader ICs instead of RC663. | Requires RC52X-based reader design; not compatible with RC663 hardware or X-feature register map. | Select when integrating with legacy RC52X platforms; same security features and key management but distinct I²C timing and command routing. |
| SLM1000HV | Infineon SLB9670-based SAM supporting TPM 2.0 and ECC cryptography; lacks MIFARE-specific Crypto-1 and key diversification methods. | Targets general-purpose secure boot and firmware attestation; not certified for MIFARE card family interoperability. | Choose for non-MIFARE systems requiring standardized TPM functionality; not suitable for MIFARE DESFire or Plus authentication workflows. |
Compared with P5DF081HN/T1AD2060, the P5DF081HN/T1AR1070 offers RC663-optimized X-feature signaling and updated firmware revision for enhanced DESFire EV1 session key handling; compared with SLM1000HV, it delivers MIFARE-specific crypto acceleration and pre-certified card portfolio interoperability at the cost of generalized TPM compliance.
Availability
P5DF081HN/T1AR1070 is available at Aetrix Electronics and suitable for access management, public transport fare collection, and micro-payment terminals requiring stable component supply, long-term lifecycle assurance, and NXP-authorized secure element sourcing.
Supply support for P5DF081HN/T1AR1070 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 P5DF081HN/T1AR1070 belongs to the MIFARE SAM AV2 product line, engineered specifically to provide hardware-accelerated, standards-compliant security services for contactless infrastructure - enabling fast, interoperable, and future-proof MIFARE ecosystem deployments.
FAQ
What is the primary interface standard supported by the P5DF081HN/T1AR1070?
The P5DF081HN/T1AR1070 implements a fully compliant ISO/IEC 7816-2/3 contact interface with Class A (5 V) and Class B (3 V) supply support. Its HVQFN32 package exposes dedicated I²C pins (IO1, IO2, IO3) for the "X-feature" connection to NXP RC663 reader ICs - enabling parallel SAM–host and SAM–reader communication without violating ISO/IEC 7816 electrical or protocol constraints.
Does the P5DF081HN/T1AR1070 support both MIFARE Classic and MIFARE DESFire EV1 authentication?
Yes, the P5DF081HN/T1AR1070 supports MIFARE Classic Crypto-1 authentication and full MIFARE DESFire EV1 command sets including AES-based secure messaging, session key derivation, and diversified key management. This capability is enabled in both MIFARE SAM AV1 compatibility mode and native AV2 mode, with AV2 mode adding PKI support for backend-signed certificate validation during DESFire EV1 transactions.
How does the X-feature interface of the P5DF081HN/T1AR1070 differ from standard SAM–reader connections?
The X-feature interface of the P5DF081HN/T1AR1070 uses dedicated I²C lines (IO1, IO2, IO3) to establish a direct, low-latency path between the SAM and RC663 reader IC - allowing simultaneous communication with the host microcontroller and the reader. Unlike traditional SAM architectures that require sequential command forwarding, the X-feature enables parallel processing of host requests and PICC authentication, reducing total transaction time by up to 45% in multi-card scenarios.
Can the P5DF081HN/T1AR1070 operate in both 3 V and 5 V systems?
Yes, the P5DF081HN/T1AR1070 supports dual-voltage operation: Class A mode (4.5–5.5 V) and Class B mode (2.7–3.3 V). The device automatically detects supply class during power-up and configures internal regulators and I/O buffers accordingly. This eliminates the need for external level shifters when integrating into mixed-voltage reader designs containing both 3.3 V MCUs and 5 V analog front-ends.
What cryptographic algorithms are supported exclusively in MIFARE SAM AV2 mode versus AV1 compatibility mode?
In MIFARE SAM AV2 mode, the P5DF081HN/T1AR1070 supports RSA encryption/decryption/signature (256–2048-bit), SHA-1/224/256 hashing, PKI-based key updates, and key classification (Host/PICC/OfflineChange/OfflineCrypto). These features are unavailable in AV1 compatibility mode, which restricts operation to symmetric algorithms (TDEA, AES, Crypto-1) and legacy key storage without usage restrictions or asymmetric capabilities.
P5DF081HN/T1AR1070 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- MIFARE®
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- RFID Reader
- Frequency:
- 13.56MHz
- Standards:
- ISO 14443, MIFARE
- Interface:
- UART
- Voltage - Supply:
- 2.7V ~ 3.3V
- Operating Temperature:
- -25°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-HVQFN (5x5)
P5DF081HN/T1AR1070 FAQ
1.How can I place an order for P5DF081HN/T1AR1070 through Aetrix?
Please submit a Request for Quotation (RFQ) for P5DF081HN/T1AR1070 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 P5DF081HN/T1AR1070 reliable?
The price and inventory of P5DF081HN/T1AR1070 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P5DF081HN/T1AR1070 is usually 5 days.
3.What payment methods are accepted for P5DF081HN/T1AR1070?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P5DF081HN/T1AR1070 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P5DF081HN/T1AR1070?
P5DF081HN/T1AR1070 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P5DF081HN/T1AR1070 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 P5DF081HN/T1AR1070?
For technical support, including P5DF081HN/T1AR1070 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P5DF081HN/T1AR1070 requirements.
6.How does Aetrix verify that P5DF081HN/T1AR1070 is sourced from the original manufacturer or authorized distributors?
All P5DF081HN/T1AR1070 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 P5DF081HN/T1AR1070 meets industry standards.
7.What is the process for return or replacement of P5DF081HN/T1AR1070?
All P5DF081HN/T1AR1070 units undergo pre-shipment inspection (PSI). If there is an issue with P5DF081HN/T1AR1070, 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 P5DF081HN/T1AR1070 part is unused and in its original packaging.
Return procedure for P5DF081HN/T1AR1070:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P5DF081HN/T1AR1070 Tags

-
SL2S2602FTBX
NXP Semiconductors

-
ST25DV04K-IER6S3
STMicroelectronics

-
ST25DV04K-IER6C3
STMicroelectronics

-
LXMSJZNCMD-217
Murata Electronics

-
NT3H2111W0FTTJ
NXP Semiconductors

-
NT3H2111W0FHKH
NXP Semiconductors

-
M24LR04E-RMC6T/2
STMicroelectronics

-
ST25DV04KC-JF6D3
STMicroelectronics

-
ST25DV64KC-IE6S3
STMicroelectronics
-
ST25DV64K-IER6T3
STMicroelectronics

-
NT3H2211W0FTTJ
NXP Semiconductors

-
NT3H2211W0FHKH
NXP Semiconductors
Tech Hub
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…

