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NXP Semiconductors CLRC66303HNY
- Part No.:
- CLRC66303HNY
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
CLRC66303HNY.pdf
- Description:
- IC RFID READER 13.56MHZ 32HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:7,556
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Product details
Overview
CLRC66303HNY from NXP Semiconductors is a high-performance multi-protocol NFC frontend IC supporting ISO/IEC 14443A/B, FeliCa, ISO/IEC 15693, and EMVCo 2.6 L1 analog/digital compliance. It delivers 350mA max operating transmitter current (500mA limiting), operates from 2.5V to 5.5V, and functions across –40°C to +105°C for industrial and battery-powered access control terminals.
For engineers reviewing the CLRC66303HNY datasheet, CLRC66303HNY pinout, CLRC66303HNY application, or CLRC66303HNY equivalent, key selection considerations include its wettable-flank HVQFN32 package, integrated PLL for 27.12MHz crystal support, 512-byte FIFO buffer, and hardware-accelerated MIFARE Classic encryption - all critical for EMVCo-certified reader design and low-power card detection optimization.
Technical Context
The CLRC66303HNY integrates an analog RF frontend with digital baseband processing, supporting both Reader/Writer and Passive Initiator (P2P) modes per ISO/IEC 18092. Its dedicated SAM interface in X-mode enables secure key storage, while adaptive waveform control stabilizes RF output under antenna detuning conditions.
It features three host interfaces - SPI (10 Mbit/s), I²C (1000 kbit/s), and UART (1228.8 kbit/s) - with up to 8 GPIOs for LED control or system signaling. The embedded 512-byte FIFO and register bank allow efficient host communication and real-time configuration of LPCD parameters including Charge Pump and LPCD Filter activation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max TX Current | 350mA operating / 500mA limiting - enables robust antenna coupling and extended read range without external boosters |
| Supply Voltage | 2.5V–5.5V - supports direct integration into single-cell Li-ion or coin-cell powered portable readers |
| Operating Temp | –40°C to +105°C - qualified for automotive-grade and industrial outdoor access terminals |
| FIFO Size | 512 bytes - reduces host CPU overhead during high-throughput tag transactions (e.g., DESFire EV2 file transfers) |
| Host Interfaces | SPI (10 Mbit/s), I²C (1000 kbit/s), UART (1228.8 kbit/s) - provides flexible MCU connectivity without protocol translation layers |
| LPCD Range | Up to 66 mm with EMVCo RefPICC - achieved via configurable Charge Pump + LPCD Filter, reducing idle power by >90% |
Pinout & Package
CLRC66303HNY is housed in a 5×5 mm HVQFN32 package with wettable flanks for automated optical inspection (AOI) and improved solder joint reliability. The package includes exposed thermal pad (EP) connected to GND.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Main supply input | 2.5–5.5V core and analog rail; must be ≥ VDD(PVDD) |
| VDD(PVDD) | Power amplifier supply | Separate 2.5–5.5V rail for TX stage; decoupling capacitor required |
| RFOUT | RF output terminal | Drives external matching network and antenna; connects to LC tank |
| RFIN | RF input terminal | Receives demodulated signal from antenna; differential input pair |
| CLKIN | Crystal oscillator input | Accepts 27.12 MHz fundamental-mode crystal for integrated PLL clock generation |
| IRQ | Interrupt request output | Active-low signal indicating FIFO status, card detection, or error condition |
| GPIO1–GPIO4 | General-purpose I/O | Configurable as inputs/outputs; used for LED control, card presence indication, or system reset coordination |
Key Features
| Feature | Design Value |
|---|---|
| Wettable flank HVQFN32 | Enables 100% AOI post-soldering verification - critical for automotive and medical reader manufacturing |
| EMVCo 2.6 L1 analog/digital compliance | Validated RF waveform and timing against EMVCo test plan - eliminates need for external RF tuning in payment terminal certification |
| Hardware MIFARE Classic crypto engine | Offloads Crypto1 encryption/decryption from host MCU - reduces firmware complexity and latency in legacy transit card systems |
| Configurable LPCD modes | Charge Pump + LPCD Filter settings extend card detection range up to 2.5× vs. CLRC663 - extends battery life in portable access readers |
| Integrated PLL with 27.12 MHz crystal | Eliminates need for external clock generator - simplifies BOM and improves frequency stability over temperature |
Applications
| Access Control Terminal | EMVCo Payment Terminal |
|---|---|
Use Scenario: Secure door entry system using MIFARE DESFire EV2 credentials with battery backup. IC Role / Device Role / Timing Role: NFC frontend handling RF modulation/demodulation, cryptographic acceleration, and low-power card wake-up. Use Value: Extended LPCD range (66 mm) and 2.5V operation enable 3+ year battery life in wireless lock modules without compromising security or range. | Use Scenario: Portable point-of-sale device accepting contactless credit cards and transit tokens. IC Role / Device Role / Timing Role: EMVCo-compliant PCD frontend managing analog waveform integrity, digital protocol stack timing, and secure SAM interface. Use Value: Pre-validated EMVCo 2.6 L1 analog/digital compliance reduces certification time by ≥4 weeks versus discrete RF solutions. |
| Gaming Kiosk Authentication | Industrial Asset Tagging |
Use Scenario: Arcade cabinet verifying NTAG I²C plus tags for user profile loading and game unlock. IC Role / Device Role / Timing Role: Dual-interface frontend supporting I²C-connected tag emulation and high-speed SPI host communication. Use Value: 512-byte FIFO and 10 Mbit/s SPI minimize host polling latency - enabling sub-100 ms credential validation for seamless gameplay. | Use Scenario: Ruggedized handheld scanner reading ICODE-DNA and ISO/IEC 18000-3 Mode 3 tags on factory equipment. IC Role / Device Role / Timing Role: Multi-protocol reader IC with extended temperature range and noise-immune LPCD filtering. Use Value: –40°C to +105°C rating and LPCD Filter reduce false triggers in electrically noisy plant environments - improving scan reliability by >99.2%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NFC frontend applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PN5180A0HN/C1 | Lower max TX current (250mA), no LPCD Filter, TFBGA64 package | Limited to consumer-grade indoor readers; lacks EMVCo L1 analog compliance | Select when cost-sensitive non-EMVCo designs require smaller footprint than HVQFN32 |
| CLRC66302HN/C1 | 250mA max TX current, –25°C to +85°C temp range, standard HVQFN32 (non-wettable) | Not qualified for automotive or extended-temp industrial use; lower LPCD range (26 mm) | Select only for legacy CLRC663 drop-in replacement where extended LPCD or wettable flanks are unnecessary |
Compared with PN5180A0HN/C1 and CLRC66302HN/C1, the CLRC66303HNY delivers superior RF performance, broader environmental qualification, and production-ready manufacturability - making it the preferred choice for certified payment terminals and battery-powered access systems requiring long-term field reliability.
Availability
CLRC66303HNY is available at Aetrix Electronics and suitable for access control terminals, EMVCo payment devices, and industrial asset tagging systems requiring stable component supply, full lifecycle traceability, and automotive-grade temperature resilience.
Supply support for CLRC66303HNY 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, with headquarters in Eindhoven, Netherlands.
The CLRC66303HNY belongs to NXP's NFC frontend product line, engineered specifically for high-reliability, low-power, multi-protocol contactless reader systems targeting EMVCo certification, battery-operated access hardware, and industrial-grade NFC infrastructure.
FAQ
What is the maximum transmitter current specification for CLRC66303HNY?
The CLRC66303HNY supports a maximum operating transmitter current of 350mA, with a hardware limiting value of 500mA. This higher current capability - a 40% increase over the legacy CLRC663 - enables stronger RF field generation and extended read range, especially critical for EMVCo-compliant payment terminals and industrial asset tagging applications where antenna detuning is common. The CLRC66303HNY maintains this performance across its full –40°C to +105°C operating range.
Does CLRC66303HNY support EMVCo 2.6 Level 1 certification?
Yes, the CLRC66303HNY is fully compliant with EMVCo 2.6 Level 1 analog and digital requirements when used with the NXP NFC Reader Library and validated antenna layout. Its integrated adaptive waveform control and pre-characterized RF output ensure waveform stability under load variation and temperature drift - eliminating the need for custom RF tuning during certification testing. The CLRC66303HNY's analog compliance is verified per EMVCo test plan v2.6, and digital compliance is achieved through library-based protocol stack implementation.
How does the Low Power Card Detection (LPCD) function work in CLRC66303HNY?
The CLRC66303HNY implements standalone LPCD that autonomously monitors for card presence without host MCU intervention, reducing system power consumption by >90% in idle state. It supports two configurable enhancements: Charge Pump (to boost RF field strength during active sensing) and LPCD Filter (to suppress noise-induced false triggers). With both enabled, CLRC66303HNY achieves up to 66 mm detection range with EMVCo RefPICC - 2.5× greater than CLRC663 - making it ideal for battery-powered access readers where runtime and reliability are critical.
Is CLRC66303HNY pin-compatible with earlier CLRC663 variants?
Yes, the CLRC66303HNY is pin-to-pin and software compatible with the original CLRC663, allowing direct replacement on existing PCBs without layout changes. This includes identical HVQFN32 footprint, matching pin functions (e.g., VDD, RFIN, RFOUT, IRQ), and register-level compatibility. However, CLRC66303HNY introduces enhanced LPCD configuration bits and updated default register values for improved low-power operation - firmware updates are recommended to leverage full performance benefits of the CLRC66303HNY.
What host interfaces does CLRC66303HNY support, and what are their maximum data rates?
The CLRC66303HNY supports three host interfaces: SPI at up to 10 Mbit/s, I²C at up to 1000 kbit/s (Fast Mode Plus), and UART at up to 1228.8 kbit/s. All interfaces are independently configurable and can coexist on the same board. The SPI interface is typically used for high-speed firmware updates and bulk data transfer, while I²C is preferred for low-pin-count MCU integration, and UART enables simple debug and configuration via serial terminal. Each interface includes dedicated interrupt signaling (IRQ pin) to minimize polling overhead in the CLRC66303HNY host driver implementation.
CLRC66303HNY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- RFID Reader
- Frequency:
- 13.56MHz
- Standards:
- ISO 14443, ISO 15693, 18000-3, MIFARE, NFC
- Interface:
- I2C, SPI, UART
- Voltage - Supply:
- 2.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 105°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-HVQFN (5x5)
CLRC66303HNY FAQ
1.How can I place an order for CLRC66303HNY through Aetrix?
Please submit a Request for Quotation (RFQ) for CLRC66303HNY 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 CLRC66303HNY reliable?
The price and inventory of CLRC66303HNY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CLRC66303HNY is usually 5 days.
3.What payment methods are accepted for CLRC66303HNY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CLRC66303HNY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CLRC66303HNY?
CLRC66303HNY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CLRC66303HNY 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 CLRC66303HNY?
For technical support, including CLRC66303HNY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CLRC66303HNY requirements.
6.How does Aetrix verify that CLRC66303HNY is sourced from the original manufacturer or authorized distributors?
All CLRC66303HNY 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 CLRC66303HNY meets industry standards.
7.What is the process for return or replacement of CLRC66303HNY?
All CLRC66303HNY units undergo pre-shipment inspection (PSI). If there is an issue with CLRC66303HNY, 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 CLRC66303HNY part is unused and in its original packaging.
Return procedure for CLRC66303HNY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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