NXP Semiconductors SL3S1002FTB1,115

Overview

SL3S1002FTB1,115 from NXP Semiconductors is a UHF RFID IC compliant with EPCglobal Class 1 Generation 2 standard, designed for passive smart tags operating 840–960 MHz. It integrates 512-bit user memory, 240-bit EPC memory, 64-bit TID with unique 32-bit serial number, and supports EAS alarm and read protection. It enables multi-meter read ranges in supply chain logistics and item-level tagging.

For engineers reviewing the SL3S1002FTB1,115 datasheet, SL3S1002FTB1,115 pinout, SL3S1002FTB1,115 application, or SL3S1002FTB1,115 equivalent, key selection criteria include UHF Gen2 compliance, 3-terminal XSON3 (SOT1122) package compatibility, forward/return link data rates (40–160 kbit/s / 40–640 kbit/s), EEPROM endurance (100,000 cycles), and anti-collision performance in dense-reader environments.

Technical Context

The SL3S1002FTB1,115 implements a fully integrated analog RF interface with on-chip rectifier, voltage regulator, and backscatter modulation transistor - enabling zero-power operation via propagative energy transfer. Its digital controller executes EPC Gen2 state machines, collision arbitration, and memory access control with CRC-5/CRC-16 error detection.

It supports all three interrogator-to-tag modulations (DSB-ASK, SSB-ASK, PR-ASK) and dual return-link encodings (FM0 baseband and Miller subcarrier), with configurable session flags (S0–S3) and persistent inventoried/selected states to enable concurrent multi-reader inventory in shared RF fields.

Key Specifications

Pinout & Package

XSON3 (SOT1122) plastic extremely thin small outline package; 3 terminals; body dimensions 1.0 × 1.45 × 0.5 mm; no leads; designed for flip-chip mounting onto printed antenna substrates.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SL3S1202FTB1, SL3S1002FTB1,115 adds 512-bit user memory for custom data while retaining identical RF performance and pinout; versus SL900A, it delivers lower power, smaller footprint, and guaranteed Gen2 interoperability - making SL3S1002FTB1,115 optimal for high-volume, standards-driven logistics tagging.

Availability

SL3S1002FTB1,115 is available at Aetrix Electronics and suitable for supply chain management, item-level tagging, and asset tracking requiring stable component supply across global manufacturing and logistics programs.

Supply support for SL3S1002FTB1,115 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 IoT applications.

The UCODE product family - including SL3S1002FTB1,115 - was engineered specifically for high-reliability, mass-deployable UHF RFID tags meeting EPCglobal Gen2 standards in demanding logistics and retail environments.

FAQ

What is the primary function of the SL3S1002FTB1,115 in an RFID system?

The SL3S1002FTB1,115 serves as a passive UHF RFID tag IC compliant with EPCglobal Class 1 Generation 2 standard. It receives power and commands wirelessly from an interrogator, stores EPC and user data in on-chip EEPROM, and backscatters responses via its RF interface. SL3S1002FTB1,115 enables contactless identification at distances up to 7.5 meters depending on regional regulations and antenna design.

Does the SL3S1002FTB1,115 support both EPC and user memory operations?

Yes, the SL3S1002FTB1,115 integrates 240-bit EPC memory and 512-bit user memory, both implemented in EEPROM. It supports full Gen2 read/write commands to both memory banks, including password-protected access and memory locking. The SL3S1002FTB1,115 user memory is distinct to the G2XM variant and enables custom serialization, batch tracking, or firmware version storage.

How does the SL3S1002FTB1,115 handle electromagnetic interference in multi-reader environments?

The SL3S1002FTB1,115 incorporates advanced interference suppression circuitry, including modulated and unmodulated jammer rejection ≥ −4 dB at ≥1.0 MHz offset. Its low-Q RF front-end and robust anti-collision arbitration ensure reliable operation in dense-reader deployments such as warehouse cross-docks or retail backrooms where multiple UHF readers operate simultaneously.

What are the critical electrical parameters that define SL3S1002FTB1,115's RF performance?

Key RF parameters for SL3S1002FTB1,115 include minimum operating power of −15 dBm, input capacitance of 1.02 pF (SOT1122 package), and impedance of 18.6 − j171.2 Ω at 915 MHz. These values directly determine antenna matching efficiency, read range, and assembly yield - making them essential for inlay design validation and production tuning.

Can the SL3S1002FTB1,115 be used with loop-type antennas?

Yes, the SL3S1002FTB1,115 supports loop antenna designs due to its DC-coupled antenna interface between RFP and RFN terminals. This allows direct connection of closed-loop structures without series capacitors, simplifying inlay construction for metal-mount or compact form factor applications. The SL3S1002FTB1,115 datasheet confirms compatibility with loop topologies in Section 12.1.