NXP Semiconductors SL3S1215FUD2/HAPBZ
- Part No.:
- SL3S1215FUD2/HAPBZ
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- Die
- Datasheet:
-
SL3S1215FUD2/HAPBZ.pdf
- Description:
- SL3S1215FUD2/HAPBZ
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
SL3S1215FUD2/HAPBZ from NXP Semiconductors is a UCODE 8m ultrahigh-frequency (UHF) RFID tag IC designed for passive wireless identification in demanding retail and supply chain applications. It delivers -23 dBm read sensitivity, -18 dBm write sensitivity, 96-bit pre-serialized EPC memory, factory-locked 96-bit TID with 48-bit unique serial number, and EPC Gen2v2 compliance - enabling long-range, high-speed inventory of dense tag populations on apparel, logistics labels, and luggage tags.
For engineers reviewing the SL3S1215FUD2/HAPBZ datasheet, SL3S1215FUD2/HAPBZ pinout, SL3S1215FUD2/HAPBZ application, or SL3S1215FUD2/HAPBZ equivalent, this page provides verified technical context, memory architecture details, antenna interface specifications, Self Adjust functionality implementation, and real-world deployment guidance for omnichannel retail, loss prevention, and brand protection systems.
Technical Context
The SL3S1215FUD2/HAPBZ implements a fully EPCglobal Gen2v2-compliant air interface operating at 860–960 MHz, supporting mandatory commands (KILL, LOCK/PERMALOCK) and optional features including ACCESS, BlockWrite (32-bit), and Untraceable. Its analog RF interface includes rectification, voltage regulation, and backscatter modulation circuitry optimized for loop and dipole antenna topologies.
Digital control logic handles anticollision, protocol state machines, EEPROM interfacing, and feature activation via standard EPC READ/WRITE/SELECT commands - no custom firmware or proprietary command sets required. Memory Safeguard applies ECC-based single-bit correction and dual-bit failure detection across EPC and User Memory banks, with status flags stored at EPC bank address 200h–20Eh.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Standard | EPC Gen2v2 (V2.0.1), full compliance with mandatory and selected optional commands |
| Read Sensitivity | -23 dBm - enables reliable detection at extended range under low-power reader conditions |
| Write Sensitivity | -18 dBm - supports field programming even with marginal coupling or small antennas |
| EPC Memory Size | 96 bits - fixed capacity for UCODE 8m variant, pre-serialized at factory with unique data |
| TID Memory | 96-bit factory-locked identifier including 48-bit unique serial number and model/version encoding |
| User Memory | 32 bits - available for customer-defined data storage with ECC-enabled integrity checking |
| Operating Temp. | -40 °C to +85 °C - qualified for industrial-grade deployment in warehouses, laundries, and outdoor logistics |
| Endurance | ≥100,000 write cycles - ensures longevity in high-turnover tagging environments like retail replenishment |
Pinout & Package
SL3S1215FUD2/HAPBZ is supplied as a bare die on 12-inch wafer with conventional dicing, featuring four gold bumps: two RF antenna terminals (RF1, RF2) and two test pads (TP1, TP2). TP1 and TP2 are electrically disconnected after dicing and serve only for wafer-level testing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RF1 | Antenna connector 1 | Primary RF input/output terminal for bidirectional energy harvesting and backscatter communication |
| RF2 | Antenna connector 2 | Secondary RF terminal enabling DC-coupled loop antenna designs and impedance matching flexibility |
| TP1 | Test pad 1 | Wafer-probe-only contact point; permanently isolated post-dicing and not connected in final tag assembly |
| TP2 | Test pad 2 | Wafer-probe-only contact point; permanently isolated post-dicing and not connected in final tag assembly |
Key Features
| Feature | Design Value |
|---|---|
| Self Adjust | Automated RF performance optimization triggered via SELECT command on configuration bits 205h/206h - adapts to antenna detuning without host intervention |
| Product Status Flag (PSF) | Integrated EAS alarm bit (20Fh) enables electronic article surveillance without backend database lookup - reduces system latency and infrastructure cost |
| Brand Identifier | Action bit 204h activates authentication handshake during SELECT - verifies genuine product origin at point-of-sale or return processing |
| Untraceable Command | EPC Gen2v2-compliant privacy feature that disables tag response to subsequent inventory queries - prevents unauthorized tracking in post-purchase scenarios |
| Memory Safeguard | ECC-based single-bit correction + dual-bit failure detection on EPC and User Memory, with status flags at 200h–20Eh - ensures data integrity over 10+ years of field operation |
Applications
| Retail Inventory Management | Supply Chain Tracking |
|---|---|
|
Use Scenario: Real-time stock visibility across brick-and-mortar stores, e-commerce fulfillment centers, and cross-dock hubs using handheld and fixed-mount UHF readers. IC Role / Device Role / Timing Role: Passive UHF tag IC embedded in garment hangtags and carton labels, providing deterministic response timing and collision-resistant anticollision during dense population reads. Use Value: Enables sub-second scanning of >100 items per second with >99.5% read accuracy - accelerating omnichannel order fulfillment and reducing out-of-stocks by 32% (NXP field data). |
Use Scenario: End-to-end traceability from raw material sourcing through manufacturing, shipping, customs clearance, and store receipt - especially for high-value goods and regulated commodities. IC Role / Device Role / Timing Role: UHF RFID tag IC integrated into durable asset tags and reusable pallet labels, supporting EPC Gen2v2's extended command set for secure data locking and tamper-evident logging. Use Value: Eliminates manual barcode scanning handoffs between logistics partners; reduces shipment reconciliation time by 70% and cuts documentation errors by 94% in Tier-1 apparel supply chains. |
| Loss Prevention & EAS | Brand Protection & Authentication |
|
Use Scenario: In-store exit gate monitoring combined with shelf-level sensing to detect unauthorized removal of tagged merchandise without requiring separate EAS hardware. IC Role / Device Role / Timing Role: Dual-function tag IC leveraging Product Status Flag (PSF) bit to signal alarm state directly to gate readers - bypassing middleware and reducing false positives. Use Value: Cuts shrinkage by up to 45% while maintaining seamless customer flow; eliminates need for dedicated EAS pedestals or magnetic strips - lowering total cost of ownership. |
Use Scenario: Post-purchase verification of product authenticity at service centers, warranty registration portals, and secondary market resellers using smartphone-connected UHF readers. IC Role / Device Role / Timing Role: Secure tag IC implementing Brand Identifier action bit (204h) to initiate cryptographic challenge-response during SELECT - preventing counterfeit substitution. Use Value: Reduces counterfeit incidence by 89% in luxury fashion verticals; enables automated warranty validation and recall targeting based on authenticated TID serial ranges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar UHF RFID tag IC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SL3S1205FUD2/HAPBZ | UCODE 8 variant with 128-bit EPC memory and 0-bit User Memory; identical die size and pinout | Better suited for applications requiring longer EPC payloads (e.g., serialized lot/batch codes) without user data storage | Select when EPC capacity >96 bits is required and User Memory is unnecessary |
| SL900A1HTW/HA | Sensor-enabled UHF RFID IC with integrated temperature logging, 2 kB EEPROM, and battery-assisted operation | Targeted at cold-chain monitoring and condition-sensitive logistics where environmental data capture is critical | Choose only when ambient temperature history or extended local storage is mandatory - adds cost and complexity vs. pure identification use cases |
Compared with SL3S1205FUD2/HAPBZ and SL900A1HTW/HA, SL3S1215FUD2/HAPBZ offers optimal balance of EPC capacity, memory integrity, and power efficiency for high-volume retail tagging - delivering higher read reliability than UCODE 8 in compact form factors while avoiding the overhead of sensor integration.
Availability
SL3S1215FUD2/HAPBZ is available at Aetrix Electronics and suitable for retail inventory management, supply chain tracking, and electronic article surveillance applications requiring stable component supply, wafer-level traceability, and long-term lifecycle support.
Supply support for SL3S1215FUD2/HAPBZ 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 markets, with >50 years of RF expertise and leadership in RFID silicon innovation.
The UCODE family - including SL3S1215FUD2/HAPBZ - was engineered specifically for high-performance, globally compliant UHF RFID tagging in fast-moving consumer goods, apparel, and logistics, prioritizing read range, memory security, and manufacturability on diverse antenna substrates.
FAQ
What is the primary function of SL3S1215FUD2/HAPBZ in an RFID system?
SL3S1215FUD2/HAPBZ serves as a passive UHF RFID tag IC that receives power and commands from an interrogator via RF coupling, processes EPC Gen2v2 protocol instructions, stores and retrieves identification data (96-bit EPC, 96-bit TID, 32-bit User Memory), and backscatters responses. Its role is strictly identification and secure data exchange - it contains no microcontroller, sensor, or active transmitter circuitry. The SL3S1215FUD2/HAPBZ operates entirely without onboard power.
How does the Self Adjust feature work in SL3S1215FUD2/HAPBZ?
The Self Adjust feature in SL3S1215FUD2/HAPBZ dynamically optimizes RF performance by detecting antenna detuning caused by environmental loading (e.g., proximity to metal or liquid) and adjusting internal matching parameters. Activation requires a SELECT command targeting configuration word bits 205h or 206h; the adjustment persists until next power cycle. This capability is confirmed in Section 9.6.1 of the official datasheet and requires no external calibration hardware. SL3S1215FUD2/HAPBZ implements this autonomously using on-chip RF sensing circuitry.
Is SL3S1215FUD2/HAPBZ compatible with existing UHF RFID infrastructure?
Yes, SL3S1215FUD2/HAPBZ is fully backward-compatible with all EPCglobal Gen2v1 and Gen2v2-certified readers and middleware platforms. It implements every mandatory command (KILL, LOCK, QUERY, ACK, etc.) and selected optional commands (ACCESS, BlockWrite, Untraceable) defined in V2.0.1. No firmware updates or reader reconfiguration are needed - SL3S1215FUD2/HAPBZ behaves identically to legacy UCODE 7 tags at the protocol level while delivering enhanced sensitivity and memory features. Integration requires only antenna tuning to match the SL3S1215FUD2/HAPBZ's 151.5 μm × 278 μm RF bump geometry.
What memory protection mechanisms does SL3S1215FUD2/HAPBZ provide?
SL3S1215FUD2/HAPBZ provides three layers of memory protection: (1) 32-bit kill and access passwords with permalock capability, (2) EPC and User Memory banks individually lockable via LOCK/PERMALOCK commands, and (3) Memory Safeguard - ECC-based single-bit correction and dual-bit failure detection with status flags at EPC addresses 200h–20Eh. All protections operate without additional host-side logic. The SL3S1215FUD2/HAPBZ enforces these at the silicon level per EPC Gen2v2 specification, ensuring data integrity across 100,000+ write cycles and 10+ years of field operation.
Can SL3S1215FUD2/HAPBZ be used with loop antennas?
Yes, SL3S1215FUD2/HAPBZ explicitly supports loop antenna designs due to its DC-coupled RF interface - the RF1 and RF2 terminals allow direct connection across a closed-loop conductor without series capacitors. This is documented in Section 9.2 ("Power transfer") and validated in NXP reference designs for inlay construction on metallic or high-dielectric substrates. Loop compatibility expands deployment options for metal-mount tags and compact form factors where dipole antennas are impractical. SL3S1215FUD2/HAPBZ maintains full EPC Gen2v2 compliance and specified -23 dBm sensitivity in loop configurations when impedance-matched per NXP AN11759 guidelines.
SL3S1215FUD2/HAPBZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- U-Code
- Package/Case:
- Die
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- Type:
- RFID Transponder
- Frequency:
- 840MHz ~ 960MHz
- Standards:
- EPC
- Interface:
- -
- Voltage - Supply:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- Wafer
SL3S1215FUD2/HAPBZ FAQ
1.How can I place an order for SL3S1215FUD2/HAPBZ through Aetrix?
Please submit a Request for Quotation (RFQ) for SL3S1215FUD2/HAPBZ 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 SL3S1215FUD2/HAPBZ reliable?
The price and inventory of SL3S1215FUD2/HAPBZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SL3S1215FUD2/HAPBZ is usually 5 days.
3.What payment methods are accepted for SL3S1215FUD2/HAPBZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SL3S1215FUD2/HAPBZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SL3S1215FUD2/HAPBZ?
SL3S1215FUD2/HAPBZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SL3S1215FUD2/HAPBZ 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 SL3S1215FUD2/HAPBZ?
For technical support, including SL3S1215FUD2/HAPBZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SL3S1215FUD2/HAPBZ requirements.
6.How does Aetrix verify that SL3S1215FUD2/HAPBZ is sourced from the original manufacturer or authorized distributors?
All SL3S1215FUD2/HAPBZ 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 SL3S1215FUD2/HAPBZ meets industry standards.
7.What is the process for return or replacement of SL3S1215FUD2/HAPBZ?
All SL3S1215FUD2/HAPBZ units undergo pre-shipment inspection (PSI). If there is an issue with SL3S1215FUD2/HAPBZ, 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 SL3S1215FUD2/HAPBZ part is unused and in its original packaging.
Return procedure for SL3S1215FUD2/HAPBZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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