NXP Semiconductors MF1P4200DA4/00J

Overview

MF1P4200DA4/00J from NXP Semiconductors is a 4 kB MIFARE Plus EV2 contactless smart card IC operating at 13.56 MHz, featuring Common Criteria EAL5+ security certification, AES-128 cryptographic authentication, ISO/IEC 14443-4 compliance, and 7-byte UID - deployed in secure public transport ticketing systems requiring tamper-resistant value storage and sector-wise security upgrades.

For engineers reviewing the MF1P4200DA4/00J datasheet, MF1P4200DA4/00J pinout, MF1P4200DA4/00J application, or MF1P4200DA4/00J equivalent, key selection considerations include SL3 AES-only mode support, 17 pF input capacitance for standard antenna designs, backward compatibility with MIFARE Classic EV1 infrastructure, and Transaction MAC/TIMER features for payment integrity and MITM mitigation.

Technical Context

The MF1P4200DA4/00J implements a dual-layer security architecture: SL1 supports CRYPTO1-based MIFARE Classic EV1 compatibility with optional AES originality checks, while SL3 enforces mandatory AES-128 three-pass authentication, encrypted communication, and AES-based MAC for all data/value blocks. It integrates an on-chip TRNG, active shielding, and rail/light/glitch sensors for physical attack resistance.

Memory is organized into 40 sectors (32 × 4-block + 8 × 16-block), supporting sector-by-sector security level migration (SL0 → SL1 → SL3), SL1SL3Mix mode for hybrid backend access, and anti-tearing protection for AES key and sector trailer updates - all managed via dedicated configuration blocks and ISO/IEC 7816-4 compliant virtual card selection.

Key Specifications

Pinout & Package

Package: MOA4 - plastic leadless module carrier package (SOT500-2), 35 mm wide tape format, designed for embedding into smart cards, key fobs, and wristbands.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar contactless secure IC applications.

Compared with MF1P4200DA4/00J, MF1P4200DA8/00 offers identical electrical and security behavior but demands mechanical requalification due to MOA8's larger footprint, while MF1PH4200DA4/00 trades standard card compatibility for miniaturized antenna integration - neither is pin-compatible nor drop-in replaceable without hardware revision.

Availability

MF1P4200DA4/00J is available at Aetrix Electronics and suitable for public transportation fare collection, secure physical access control, and event ticketing systems requiring stable component supply, long-term data retention, and certified cryptographic assurance.

Supply support for MF1P4200DA4/00J 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 >50 years of RF IC innovation and ISO 9001-certified manufacturing.

The MF1P4200DA4/00J belongs to the MIFARE Plus EV2 product line - engineered specifically for high-assurance contactless identity and transaction platforms where EAL5+ certification, sector-level security agility, and ISO/IEC 14443-4 interoperability are mandatory.

FAQ

What security certification does MF1P4200DA4/00J hold, and what does it mean for deployment?

MF1P4200DA4/00J is certified to Common Criteria EAL5+ (AVA_VAN.5), confirming resistance against high-potential attackers - the same assurance level required for banking cards and electronic passports. This means MF1P4200DA4/00J meets stringent third-party evaluation criteria for cryptographic implementation, side-channel resistance, and fault injection protection, making it suitable for regulated environments like national transit authorities and government ID programs without requiring additional security validation.

How does MF1P4200DA4/00J support migration from MIFARE Classic systems?

MF1P4200DA4/00J operates in SL1 mode with full MIFARE Classic EV1 backward compatibility - supporting CRYPTO1 authentication, identical command structure, and sector trailer layout - while allowing gradual, sector-by-sector upgrade to SL3 AES-only mode. This eliminates reader replacement costs: existing infrastructure continues functioning during phased migration, and MF1P4200DA4/00J maintains identical ATQA/SAK responses until all sectors are upgraded, ensuring zero service interruption.

What is the difference between MF1P4200DA4/00J and MF1PH4200DA4/00?

MF1P4200DA4/00J uses 17 pF input capacitance optimized for ISO/IEC 10373-6 Class 1 smart card antennas, whereas MF1PH4200DA4/00 uses 70 pF for compact form factors like key fobs and wearables. The higher capacitance lowers required antenna inductance, enabling smaller coils - but MF1PH4200DA4/00 cannot be substituted for MF1P4200DA4/00J without antenna redesign and retesting, as impedance mismatch causes read-range collapse in standard card layouts.

Does MF1P4200DA4/00J support ISO/IEC 7816-4, and how is it used?

Yes, MF1P4200DA4/00J supports ISO/IEC 7816-4 at SL3, enabling Virtual Card Architecture via ISOSelect (INS A4h) and ISOExternalAuthenticate (INS 82h). This allows multiple logical applications - such as transit pass, employee ID, and loyalty program - to coexist on one MF1P4200DA4/00J chip, each with independent keys and access rules, while maintaining full interoperability with NFC-enabled smartphones and EMVCo-compliant terminals.

What is the purpose of the Transaction Timer feature in MF1P4200DA4/00J?

The Transaction Timer in MF1P4200DA4/00J enforces a configurable maximum duration for each cryptographic transaction - preventing Man-in-the-Middle attacks where intercepted commands are replayed after delay. Once activated, the timer starts upon first command receipt and invalidates subsequent commands if the elapsed time exceeds the programmed threshold, ensuring temporal integrity for balance updates, access grants, and payment authorizations without relying on external clock synchronization.