NXP Semiconductors MF0ULH1101DUDV

Overview

MF0ULH1101DUDV from NXP Semiconductors is a contactless ticket IC compliant with ISO/IEC 14443 Type A, featuring 640-bit EEPROM (384-bit user memory), 50 pF on-chip resonance capacitance, 7-byte UID, and 3×24-bit one-way counters. It serves as a secure, low-cost smart ticket for public transit fare collection systems requiring fast (<35 ms) transaction handling and field-programmable page locking.

For engineers reviewing the MF0ULH1101DUDV datasheet, MF0ULH1101DUDV pinout, MF0ULH1101DUDV application, or MF0ULH1101DUDV equivalent, key selection considerations include its high-input-capacitance (50 pF) variant optimized for TFC.0/TFC.1 ticket formats, OTP area for ticket lifecycle control, ECC-based originality signature, and password-protected memory access for fare integrity.

Technical Context

The MF0ULH1101DUDV integrates an RF interface (modulator/demodulator, rectifier, clock regenerator, POR, voltage regulator), digital control unit, and 640-bit EEPROM organized in 20 pages of 4 bytes each. Its anticollision engine supports cascade-level 1 and 2 selection per ISO/IEC 14443-3, enabling multi-card operation in reader fields.

It implements true one-way counters with 1,000,000-cycle endurance, anti-tearing support for counters/OTP/lock bits, and configurable password protection (32-bit PWD, 16-bit PACK) with AUTHLIM limiting failed attempts. The strong modulation mode (STRG_MOD_EN) is enabled only in H-variants like MF0ULH1101DUDV.

Key Specifications

Pinout & Package

MF0ULH1101DUDV is supplied as a bare die (FFC Bump) with 120 μm thickness, Au bumps, and electronic fail die marking per SECS-II format. It has no conventional pins; terminals are LA and LB for direct connection to antenna coil windings.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MF0UL1101DUD, MF0ULH1101DUDV provides superior antenna coupling margin in variable-ticket-formats; compared with MF0ULH2101DUD, it offers lower cost and simpler memory management for single-purpose transit tickets.

Availability

MF0ULH1101DUDV is available at Aetrix Electronics and suitable for public transportation fare collection, event day passes, and loyalty program cards requiring stable component supply, long-term lifecycle support, and traceable sourcing for high-volume ticket manufacturing.

Supply support for MF0ULH1101DUDV 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 30 years of RFID innovation.

The MIFARE Ultralight EV1 product line, including MF0ULH1101DUDV, was designed specifically for cost-sensitive, high-volume contactless ticketing applications demanding robustness, fast transaction speed, and field-deployable security.

FAQ

What is the primary function of MF0ULH1101DUDV in a contactless system?

The MF0ULH1101DUDV functions as a secure, ISO/IEC 14443 Type A-compliant contactless ticket IC. It stores and manages fare data, validates user access via UID and password, increments one-way counters for trip tracking, and delivers ECC-based originality verification-all within <35 ms per transaction. Its 50 pF input capacitance ensures reliable RF coupling in paper and inlay-based tickets.

How does the 50 pF input capacitance of MF0ULH1101DUDV affect antenna design?

The 50 pF on-chip resonance capacitance in MF0ULH1101DUDV eliminates the need for external tuning capacitors and allows direct integration with low-inductance antennas used in TFC.0 (Edmondson) and TFC.1 (ISO) ticket formats. This simplifies mechanical design, reduces bill-of-materials cost, and improves yield in high-volume ticket lamination processes.

Can MF0ULH1101DUDV be used as a drop-in replacement for MF0UL1101DUD?

No-MF0ULH1101DUDV is not a drop-in replacement for MF0UL1101DUD due to its 50 pF input capacitance versus 17 pF. Antenna impedance matching must be re-optimized; using MF0ULH1101DUDV in a design tuned for MF0UL1101DUD may result in reduced operating distance or unreliable communication. Layout changes are required to maintain performance.

What memory protection mechanisms are implemented in MF0ULH1101DUDV?

MF0ULH1101DUDV implements three memory protection layers: (1) per-page lock bits (pages 03h–0Fh) and per-2-page lock bits (pages 10h+) for irreversible read-only enforcement; (2) 32-bit password + 16-bit PACK with AUTHLIM attempt limiting; and (3) ECC-based originality signature to verify chip authenticity before memory access. All lock and OTP writes include anti-tearing support.

Is MF0ULH1101DUDV suitable for applications requiring cryptographic security?

MF0ULH1101DUDV provides lightweight security (UID, OTP, password, ECC signature) but lacks hardware cryptographic accelerators or mutual authentication. It is intended for cost-sensitive, high-volume ticketing-not high-security financial or ID applications. For cryptographic needs, NXP recommends MIFARE DESFire EV3 or SmartMX-based solutions instead of MF0ULH1101DUDV.