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NXP Semiconductors SL3S1205FUD2/HAPA
- Part No.:
- SL3S1205FUD2/HAPA
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- -
- Datasheet:
-
SL3S1205FUD2/HAPA.pdf
- Description:
- SL3S1205FUD2/HAPA
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Product details
Overview
SL3S1205FUD2/HAPA from NXP Semiconductors is a UCODE 8 ultra-high-frequency RFID tag IC in bare-die form, designed for passive UHF RFID systems operating at 860–960 MHz. It delivers -23 dBm read sensitivity, supports EPC Gen2v2, includes pre-serialized 96-bit EPC and factory-locked 96-bit TID with 48-bit unique serial number, and enables long-range inventory in retail and supply chain tagging.
For engineers reviewing the SL3S1205FUD2/HAPA datasheet, SL3S1205FUD2/HAPA pinout, SL3S1205FUD2/HAPA application, or SL3S1205FUD2/HAPA equivalent, this page provides verified technical context, memory architecture details, EAS-capable Product Status Flag implementation, Self Adjust feature behavior, and wafer-level mechanical specs for label antenna integration.
Technical Context
The SL3S1205FUD2/HAPA implements a CMOS 0.14 μm analog/digital/EEPROM architecture with RF1/RF2 antenna interface, integrated charge pump, and digital sequencer supporting EPCglobal Gen2v2 protocol stack. Its analog interface rectifies RF energy to power both analog and digital blocks while enabling backscatter modulation via reflection coefficient switching.
It supports mandatory Gen2v2 commands (KILL, LOCK), optional commands (ACCESS, BlockWrite, Untraceable), and proprietary features including Self Adjust for automated performance tuning, Memory Safeguard with ECC-based error correction on EPC and User Memory, and Brand Identifier for authentication - all activated via standard READ/WRITE/SELECT operations without custom command extensions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Frequency Range | 860–960 MHz - globally compliant operation across FCC, ETSI, and other regional UHF RFID regulations. |
| Read Sensitivity | -23 dBm - enables reliable detection at extended distances with low-power readers or compact antennas. |
| Write Sensitivity | -18 dBm - supports field programming under marginal coupling conditions during label encoding. |
| EPC Memory Size | 128 bits - accommodates full EPC identifiers including CRC-16 and PC fields per Gen2v2 specification. |
| TID Memory | 96-bit factory-locked - contains 48-bit unique serial number and GS1-compliant allocation class identifier. |
| User Memory | 0 bits - no user-accessible memory; SL3S1205FUD2/HAPA is UCODE 8 variant, not UCODE 8m. |
| Operating Temperature | -40 °C to +85 °C - validated for industrial labeling environments including laundry, shipping, and retail cold-chain applications. |
| Write Endurance | ≥100,000 cycles - ensures robust reprogramming capability for reusable asset tracking tags. |
Pinout & Package
SL3S1205FUD2/HAPA is supplied as a bare die on 12-inch wafer with conventional dicing, 120 μm thickness, and 10 μm polyimide spacer. Die size is 0.465 mm × 0.475 mm (0.22 mm²). Four gold bumps are arranged non-diagonally in chip corners: RF1 and RF2 serve as antenna connection terminals; TP1 and TP2 are test pads electrically disconnected after dicing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RF1 | Antenna connector 1 | Primary RF input/output terminal for bidirectional communication and power harvesting; connects to one side of loop or dipole antenna. |
| RF2 | Antenna connector 2 | Secondary RF terminal enabling DC-coupled loop antenna designs; completes RF path with RF1 for impedance matching. |
| TP1 | Test pad 1 | Pre-dicing probe point for wafer-level functional testing; permanently isolated from circuit post-dicing. |
| TP2 | Test pad 2 | Pre-dicing probe point for wafer-level parametric validation; electrically floating after dicing. |
Key Features
| Feature | Design Value |
|---|---|
| Self Adjust | Automated optimization of tag response based on real-time RF field strength - eliminates manual tuning during label conversion. |
| Product Status Flag (PSF) | Dedicated bit in configuration word enabling EAS functionality without backend database lookup - supports loss prevention in retail exits. |
| Memory Safeguard | ECC-based single-bit correction and dual-bit failure detection on EPC memory - preserves data integrity in high-interference warehouse environments. |
| Brand Identifier | Configurable action bit (EPC address 204h) triggering authentication handshake - prevents counterfeiting in luxury goods and pharmaceuticals. |
| Untraceable Command | EPC Gen2v2-compliant privacy feature disabling tag responses until reactivated - meets GDPR and consumer privacy requirements. |
| Pre-serialized EPC | Factory-programmed 96-bit EPC with unique serial number embedded in TID - reduces encoding time and infrastructure cost in high-volume labeling. |
Applications
| Retail Inventory Management | Supply Chain Asset Tracking |
|---|---|
Use Scenario: High-speed scanning of apparel racks and shelf stock in omnichannel brick-and-mortar stores. IC Role / Device Role / Timing Role: Passive UHF RFID tag IC providing EPC-encoded item identification and fast anti-collision response. Use Value: Enables sub-second inventory of 100+ items per second using handheld or fixed readers, reducing manual audit time by >90%. |
Use Scenario: End-to-end visibility of palletized goods from manufacturing plant to distribution center and store backroom. IC Role / Device Role / Timing Role: Embedded tag IC on logistics labels delivering tamper-resistant EPC data and PSF-enabled EAS alerts. Use Value: Reduces shipment reconciliation errors by validating contents without opening cartons, accelerating dock-to-stock cycle time. |
| Laundry & Textile Services | Brand Protection & Authentication |
Use Scenario: Reusable garment tagging in commercial laundries handling hospital linens, hotel uniforms, and rental apparel. IC Role / Device Role / Timing Role: Ruggedized UHF tag IC surviving 200+ industrial wash cycles with stable read performance at elevated temperatures. Use Value: Tracks individual item lifecycle, wear count, and maintenance history - cutting replacement costs by up to 35%. |
Use Scenario: Anti-counterfeiting verification for premium fashion accessories, cosmetics, and electronics packaging. IC Role / Device Role / Timing Role: Secure RFID tag IC implementing Brand Identifier and Untraceable command for controlled authentication workflows. Use Value: Allows authorized scanners to validate product origin and disable tags post-purchase - preventing gray-market diversion. |
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 |
|---|---|---|---|
| SL3S1215FUD2/HAPA | UCODE 8m variant with 32-bit User Memory; identical RF performance, TID, and feature set otherwise. | Required when customer firmware needs writable user data storage beyond EPC/TID - e.g., batch lot codes or service history. | Select SL3S1215FUD2/HAPA only if 32-bit User Memory is actively utilized; SL3S1205FUD2/HAPA offers lower die cost and same core functionality. |
| SL3S1205FUD2/HAP | Same UCODE 8 die on 12" wafer but with plasma dicing instead of conventional dicing - tighter scribe line (6.6 μm vs. 35 μm) and different passivation (PE-Oxide vs. PE-Nitride). | Used where higher die yield or finer pitch antenna integration is required; mechanically distinct wafer process but functionally identical IC. | Choose SL3S1205FUD2/HAP for advanced antenna assembly processes demanding minimal kerf loss; SL3S1205FUD2/HAPA suits standard label converter tooling. |
Compared with SL3S1205FUD2/HAPA, SL3S1215FUD2/HAPA adds user memory at no RF performance trade-off, while SL3S1205FUD2/HAP substitutes dicing method without altering electrical behavior - both require separate qualification for mechanical integration but share identical protocol stack and memory map.
Availability
SL3S1205FUD2/HAPA is available at Aetrix Electronics and suitable for retail inventory management, supply chain logistics, and textile service labeling requiring stable component supply across multi-year production programs.
Supply support for SL3S1205FUD2/HAPA 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, with core expertise in RFID, NFC, automotive, and industrial microcontrollers.
The UCODE family - including SL3S1205FUD2/HAPA - was engineered specifically for high-performance, globally compliant UHF RFID tagging in demanding commercial and industrial environments.
FAQ
What is the difference between SL3S1205FUD2/HAPA and SL3S1205FUD2/HAP?
SL3S1205FUD2/HAPA uses conventional dicing on 12" wafers with 35 μm scribe lines and PE-Nitride passivation, while SL3S1205FUD2/HAP employs plasma dicing with 6.6 μm scribe lines and PE-Oxide passivation. Both contain identical UCODE 8 IC functionality, memory map, and RF specifications - the distinction is purely mechanical and process-related for antenna integration.
Does SL3S1205FUD2/HAPA support EPC Gen2v2 Untraceable command?
Yes, SL3S1205FUD2/HAPA fully implements the EPC Gen2v2 Untraceable command as an optional feature. This allows authorized readers to disable tag responses until explicitly reactivated, supporting privacy compliance and post-sale consumer control - confirmed in Section 9.4 and Table 2 of the official datasheet.
What memory banks are accessible on SL3S1205FUD2/HAPA?
SL3S1205FUD2/HAPA provides four memory banks: Bank 00 (64-bit Reserved), Bank 01 (128-bit EPC + 16-bit Configuration Word), Bank 10 (96-bit TID), and no User Memory (Bank 11 = 0 bits). This aligns with UCODE 8 - unlike UCODE 8m which allocates 32 bits to User Memory per Tables 6 and 7.
How is the Product Status Flag (PSF) implemented in SL3S1205FUD2/HAPA?
The PSF is a permanent bit (bit 20Fh in EPC bank) that can be set via standard WRITE command when EPC memory is unlocked or in SECURED state. Once enabled, it allows SL3S1205FUD2/HAPA to function as an EAS tag without backend database lookup - directly signaling alarm status upon interrogation per Section 9.6.1.
Is SL3S1205FUD2/HAPA compatible with single-slit antennas?
Yes, SL3S1205FUD2/HAPA is explicitly qualified for use with single-slit antennas as stated in Section 2.1. Its broadband design and optimized input impedance enable stable operation across global UHF bands without antenna redesign - making it suitable for cost-sensitive label applications requiring minimal RF engineering effort.
SL3S1205FUD2/HAPA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Type:
- -
- Frequency:
- -
- Standards:
- -
- Interface:
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- Voltage - Supply:
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- Operating Temperature:
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SL3S1205FUD2/HAPA FAQ
1.How can I place an order for SL3S1205FUD2/HAPA through Aetrix?
Please submit a Request for Quotation (RFQ) for SL3S1205FUD2/HAPA 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 SL3S1205FUD2/HAPA reliable?
The price and inventory of SL3S1205FUD2/HAPA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SL3S1205FUD2/HAPA is usually 5 days.
3.What payment methods are accepted for SL3S1205FUD2/HAPA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SL3S1205FUD2/HAPA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SL3S1205FUD2/HAPA?
SL3S1205FUD2/HAPA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SL3S1205FUD2/HAPA 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 SL3S1205FUD2/HAPA?
For technical support, including SL3S1205FUD2/HAPA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SL3S1205FUD2/HAPA requirements.
6.How does Aetrix verify that SL3S1205FUD2/HAPA is sourced from the original manufacturer or authorized distributors?
All SL3S1205FUD2/HAPA 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 SL3S1205FUD2/HAPA meets industry standards.
7.What is the process for return or replacement of SL3S1205FUD2/HAPA?
All SL3S1205FUD2/HAPA units undergo pre-shipment inspection (PSI). If there is an issue with SL3S1205FUD2/HAPA, 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 SL3S1205FUD2/HAPA part is unused and in its original packaging.
Return procedure for SL3S1205FUD2/HAPA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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