NXP Semiconductors SL2S2102FUD,003

Overview

SL2S2102FUD,003 from NXP Semiconductors is a contactless RFID IC compliant with ISO/IEC 15693 and ISO/IEC 18000-3 standards, designed for intelligent label applications including pharmaceutical item-level tagging, library asset tracking, and anti-counterfeiting. It delivers 1024-bit EEPROM memory, 13.56 MHz operation, up to 1.5 m read/write range, and password-protected EAS/AFI functionality.

For engineers reviewing the SL2S2102FUD,003 datasheet, SL2S2102FUD,003 pinout, SL2S2102FUD,003 application, or SL2S2102FUD,003 equivalent, this page provides verified technical context, pin-level interface details, real-world use scenarios, and validated alternative options for supply continuity in high-reliability RFID system design.

Technical Context

The SL2S2102FUD,003 implements a fully integrated analog RF interface with resonant demodulation and load modulation, enabling battery-free operation via inductive coupling at 13.56 MHz. Its digital controller executes ISO/IEC 15693-3 anticollision, supports mandatory and optional commands (e.g., INVENTORY, READ/WRITE SINGLE/MULTIPLE BLOCK), and enforces access control via UID, DSFID, AFI, and 32-bit EAS/AFI passwords.

Memory organization includes a 256-bit configuration area (UID, lock bits, passwords) and 896-bit user memory across 28 addressable blocks. The IC features true anticollision, 16-bit CRC integrity checking, and fast inventory read with doubled downstream data rate (53 kbit/s) when enabled - all without requiring external power or clock sources.

Key Specifications

Pinout & Package

Bare die wafer format: sawn, bumped wafer, 120 μm thickness, on film frame carrier. Four bonding pads: LA, LB, GND, TEST. LA and LB serve as differential RF antenna inputs; GND provides reference; TEST is for wafer-level functional validation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar RFID tag IC applications.

Compared with SL2S2002FUD and SL2S2102FTB, SL2S2102FUD,003 offers the highest native read range (1.5 m) due to its 97 pF input capacitance, direct wafer-level integration flexibility, and dedicated GND pad for stable RF reference - making it optimal for gate, portal, and industrial-grade labeling where reliability and range are primary selection criteria.

Availability

SL2S2102FUD,003 is available at Aetrix Electronics and suitable for pharmaceutical serialization, library automation, and anti-counterfeiting systems requiring stable component supply, long-term lifecycle support, and wafer-level customization capability.

Supply support for SL2S2102FUD,003 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 leader in secure connectivity solutions, specializing in RFID, NFC, automotive, and industrial microcontrollers with over 30 years of semiconductor innovation.

The ICODE SLIX product line - including SL2S2102FUD,003 - was engineered specifically for high-reliability, long-range smart label applications in regulated industries such as healthcare, logistics, and cultural heritage management.

FAQ

What is the primary function of the SL2S2102FUD,003 in an RFID system?

The SL2S2102FUD,003 serves as a contactless, battery-free RFID tag IC compliant with ISO/IEC 15693. It stores and transmits data (including a factory-programmed 64-bit UID, AFI, DSFID, and user memory) via inductive coupling at 13.56 MHz. Its core role is to enable reliable identification, authentication, and data exchange in intelligent label systems - particularly where long read range (up to 1.5 m), security, and regulatory compliance are required. SL2S2102FUD,003 performs this without external power, relying entirely on the reader's RF field.

How does the SL2S2102FUD,003 differ from the SL2S2002FUD variant?

The SL2S2102FUD,003 and SL2S2002FUD share the same ICODE SLIX architecture and command set but differ critically in input capacitance: SL2S2102FUD,003 specifies 97 pF between LA and LB, while SL2S2002FUD specifies 23.5 pF. This difference dictates distinct antenna tuning requirements - SL2S2102FUD,003 supports longer read/write distances (up to 1.5 m), whereas SL2S2002FUD targets compact, high-density tag layouts. Both are wafer-form, but SL2S2102FUD,003 includes a dedicated GND pad for improved RF stability.

Can the SL2S2102FUD,003 be used without a microcontroller or host processor?

Yes - the SL2S2102FUD,003 operates autonomously as a passive RFID tag IC. It requires no microcontroller, firmware, or external power source. All logic, memory access, anticollision, and RF modulation/demodulation are handled internally. Communication occurs solely via ISO/IEC 15693-compliant commands issued by an external RFID reader. SL2S2102FUD,003 responds to standard commands like INVENTORY, READ SINGLE BLOCK, and SET EAS without any host-side processing.

What security mechanisms does the SL2S2102FUD,003 provide for protecting stored data?

The SL2S2102FUD,003 provides multiple hardware-enforced security layers: a factory-programmed, immutable 64-bit UID; per-block write locks for user memory; password-protected EAS and AFI functions (32-bit password); and lockable DSFID. Access to protected features requires prior execution of the SET PASSWORD command with a valid XOR-derived credential. SL2S2102FUD,003 also supports LOCK PASSWORD and LOCK EAS commands to permanently disable further changes - meeting baseline requirements for anti-tampering in regulated supply chains.

Is the SL2S2102FUD,003 compatible with standard ISO/IEC 15693 readers?

Yes - the SL2S2102FUD,003 is fully compliant with ISO/IEC 15693-2 (physical layer), ISO/IEC 15693-3 (command set and anticollision), and ISO/IEC 18000-3 Mode 1. It supports all mandatory commands (INVENTORY, STAY QUIET) and key optional commands (READ/WRITE SINGLE/MULTIPLE BLOCK, LOCK BLOCK, GET SYSTEM INFORMATION). SL2S2102FUD,003 has been validated with commercial readers from Identiv, HID, and ThingMagic, confirming interoperability in real-world deployments across libraries, pharma, and logistics.