NXP Semiconductors CLRC66103HNE
- Part No.:
- CLRC66103HNE
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- -
- Datasheet:
-
CLRC66103HNE.pdf
- Description:
- CL READER IC'S
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Product details
Overview
CLRC66103HNE from NXP Semiconductors is a high-performance multiprotocol NFC frontend IC supporting ISO/IEC 14443-A, ISO/IEC 15693, ICODE EPC UID, and ISO/IEC 18000-3 Mode 3 protocols. It delivers up to 848 kbit/s transfer speed, integrates hardware MIFARE Classic encryption, and features a 512-byte FIFO buffer. It operates from 2.5 V to 5.5 V and enables contactless reader designs for access control and payment terminals.
For engineers reviewing the CLRC66103HNE datasheet, CLRC66103HNE pinout, CLRC66103HNE application, or CLRC66103HNE equivalent, this page provides verified technical context, host interface configuration details (SPI/I²C/UART), low-power card detection behavior, RF output capability (TX1/TX2), and precise HVQFN32 package mapping - all confirmed against NXP Rev. 3.9 documentation.
Technical Context
The CLRC66103HNE implements a fully integrated analog front-end with dual transmitter outputs (TX1/TX2) for 13.56 MHz carrier generation and differential receiver inputs (RXP/RXN) with internal VMID reference. Its digital core includes a dedicated contactless UART, CRC coprocessor compliant with ISO/IEC 14443-A Part 3, and hardware-accelerated MIFARE Classic cryptographic operations.
It supports five programmable timers (Timer0–Timer4), including a wake-up timer driven by an internal LFO for low-power card detection (LPCD). Host communication is managed via configurable multifunction pins (IF0–IF3) that auto-detect SPI, I²C, I²C-L, or UART based on IFSEL0/IFSEL1 logic levels at power-up.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Protocols | ISO/IEC 14443-A, ISO/IEC 15693, ICODE EPC UID, ISO/IEC 18000-3 Mode 3 - enables interoperability with MIFARE Classic 1K/4K, DESFire EV1/EV2, Ultralight, NTAG, and ICODE tags. |
| Max Data Rate | 848 kbit/s full-duplex - supports high-speed transaction throughput in payment and transit applications without external buffering. |
| FIFO Size | 512 bytes - reduces host CPU overhead by enabling burst transfers and minimizing interrupt frequency during frame exchange. |
| Supply Voltage | 2.5 V to 5.5 V - allows direct integration with 3.3 V or 5 V microcontroller systems without level-shifting or external regulators. |
| Operating Temp | −40 °C to +105 °C - qualified for industrial and automotive-grade reader modules requiring extended thermal stability. |
| RF Output | Dual TX outputs (TX1/TX2) - supports antenna diversity or differential drive configurations to maximize read range up to 12 cm with optimized tuning. |
| Power-down Current | 8 nA typical - enables battery-powered handheld readers to maintain ultra-low standby consumption while retaining LPCD capability. |
Pinout & Package
HVQFN32 (SOT617-1), 5 mm × 5 mm × 0.85 mm, wettable flanks, MSL2, 32-terminal package with exposed thermal pad (VSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TX1 / TX2 | RF Transmitter Outputs | Deliver modulated 13.56 MHz carrier signals; support single-ended or differential antenna drive for optimized field strength and EMI performance. |
| RXP / RXN | Differential RF Receiver Inputs | Accept demodulated tag response signals; enable high common-mode noise rejection in electrically noisy environments. |
| VMID | Analog Reference Voltage | Internal mid-rail bias for receiver stage - must be decoupled with capacitor; not for external voltage connection. |
| IF0–IF3 | Configurable Host Interface Pins | Multifunction I/Os that auto-detect SPI/I²C/UART mode at reset based on IFSEL0/IFSEL1 logic states. |
| IRQ | Interrupt Request Output | Active-low signal indicating FIFO status, timer expiry, card detection (LPCD), or protocol error - enables event-driven host firmware. |
| PDOWN | Power-Down Control Input | High-level assertion places device into hard power-down mode with 8 nA current draw; used for system-level energy management. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware MIFARE Classic Crypto | On-chip encryption engine eliminates need for external secure element in legacy MIFARE-based access systems. |
| Low-Power Card Detection (LPCD) | Enables continuous card presence monitoring at <8 µA average current using Timer4 + LFO - ideal for battery-powered kiosks. |
| Dedicated SAM I²C Interface | Separate I²C bus (SCL/SDA) for secure access module connection - isolates key storage and crypto operations from main host interface. |
| Integrated PLL | Derives system clock from 27.12 MHz crystal - removes need for external clock generator and reduces BOM count and layout area. |
| 8 Programmable GPIOs | General-purpose outputs (OUT0–OUT7) usable for LED control, antenna switching, or status signaling - configurable via register bank. |
Applications
| Access Control Reader | Payment Terminal |
|---|---|
Use Scenario: Secure door entry system reading MIFARE Classic 1K cards and DESFire EV2 credentials in office buildings. IC Role / Device Role / Timing Role: NFC frontend handling analog modulation/demodulation, ISO/IEC 14443-A framing, CRC, and hardware crypto for authentication handshake. Use Value: 12 cm read range with standard antenna and 848 kbit/s speed enables fast credential verification without user repositioning. |
Use Scenario: Contactless POS terminal processing EMV-compliant transactions using MIFARE DESFire or NTAG-based payment cards. IC Role / Device Role / Timing Role: Protocol bridge between host MCU and contactless tag; manages secure channel setup with SAM over dedicated I²C. Use Value: Hardware-accelerated MIFARE crypto and 512-byte FIFO reduce transaction time by >30% versus software-only implementations. |
| Industrial Asset Tagging | Gaming Token Reader |
Use Scenario: Ruggedized handheld scanner identifying ISO/IEC 15693 ICODE tags on machinery in factory maintenance workflows. IC Role / Device Role / Timing Role: Reader IC supporting 26.48 kbit/s ICODE communication and subcarrier load modulation for long-range tag interrogation. Use Value: Dual TX outputs allow antenna tuning for optimal field uniformity across metal-rich industrial environments. |
Use Scenario: Arcade cabinet detecting NFC-enabled game tokens (NTAG 213/215) for session validation and loyalty tracking. IC Role / Device Role / Timing Role: Low-latency NFC interface managing rapid token polling and UID-based account linking via UART host link. Use Value: 8 nA power-down current and LPCD enable always-on token detection with <1 year battery life on AA cells. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NFC frontend applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PN5180A | Single TX output; no dedicated SAM I²C; supports NFC Forum LLCP but lacks ISO/IEC 18000-3 Mode 3. | Better suited for smartphone-like peer-to-peer and card emulation; less optimal for legacy MIFARE infrastructure. | Select when NFC Forum compliance and lower power (3.5 mA active) outweigh multi-protocol coverage. |
| TRF7970A | Supports ISO/IEC 14443-B and FeliCa but no MIFARE Classic hardware crypto; requires external MCU for encryption. | Used in Japanese transit systems and government ID readers where FeliCa or Type B dominance exists. | Choose when Type B or FeliCa support is mandatory and hardware crypto is handled externally. |
Compared with PN5180A and TRF7970A, CLRC66103HNE uniquely combines MIFARE Classic hardware acceleration, ISO/IEC 18000-3 Mode 3 support, and dual TX outputs - making it the only option qualified for retrofitting legacy MIFARE-based access control and payment infrastructure without protocol translation layers.
Availability
CLRC66103HNE is available at Aetrix Electronics and suitable for access control systems, payment terminals, and industrial asset tagging requiring stable component supply, long-term lifecycle assurance, and full NXP documentation support.
Supply support for CLRC66103HNE 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 headquarters in Eindhoven, Netherlands.
The CLRC66103HNE belongs to NXP's CLRC661 family of high-performance NFC frontends, designed specifically for robust, multi-protocol contactless reader applications requiring hardware crypto acceleration and industrial temperature operation.
FAQ
What host interfaces does the CLRC66103HNE support?
The CLRC66103HNE supports SPI (up to 10 Mbit/s), I²C-bus (Fast mode up to 400 kBd, Fast mode plus up to 1000 kBd), and Serial UART (up to 1228.8 kBd). Interface selection is automatic at power-up based on logic levels applied to IFSEL0/IFSEL1 pins, and a separate I²C bus is provided for secure access module (SAM) connection.
Does the CLRC66103HNE include hardware support for MIFARE Classic encryption?
Yes, the CLRC66103HNE integrates dedicated hardware circuitry for MIFARE Classic encryption, enabling secure authentication with MIFARE Classic 1K/4K, Ultralight, and DESFire products without offloading crypto operations to the host MCU - a key differentiator for legacy infrastructure compatibility.
What is the maximum operating distance achievable with the CLRC66103HNE?
The CLRC66103HNE achieves up to 12 cm read/write range with ISO/IEC 14443-A and MIFARE Classic cards under typical conditions - dependent on antenna size, tuning, and PCB layout. This performance is enabled by its dual TX outputs (TX1/TX2), integrated PLL, and low-noise receiver architecture with differential RXP/RXN inputs.
How does low-power card detection (LPCD) work on the CLRC66103HNE?
LPCD on the CLRC66103HNE uses Timer4 driven by the internal low-frequency oscillator (LFO) to periodically activate the RF front-end for brief card presence checks. This achieves typical power-down current of 8 nA while maintaining responsiveness - critical for battery-powered handheld readers and kiosks requiring multi-year operation.
Is the CLRC66103HNE pin-compatible with other variants in the CLRC661 family?
Yes, the CLRC66103HNE shares the same HVQFN32 (SOT617-1) package and pinout with CLRC66103HNK and CLRC66103HNY - differing only in packaging format (tray vs. reel) and minimum order quantity. All three share identical electrical characteristics, register map, and functional behavior per NXP Rev. 3.9 documentation.
CLRC66103HNE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- -
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- -
- Frequency:
- -
- Standards:
- -
- Interface:
- -
- Voltage - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
CLRC66103HNE FAQ
1.How can I place an order for CLRC66103HNE through Aetrix?
Please submit a Request for Quotation (RFQ) for CLRC66103HNE 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 CLRC66103HNE reliable?
The price and inventory of CLRC66103HNE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CLRC66103HNE is usually 5 days.
3.What payment methods are accepted for CLRC66103HNE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CLRC66103HNE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CLRC66103HNE?
CLRC66103HNE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CLRC66103HNE 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 CLRC66103HNE?
For technical support, including CLRC66103HNE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CLRC66103HNE requirements.
6.How does Aetrix verify that CLRC66103HNE is sourced from the original manufacturer or authorized distributors?
All CLRC66103HNE 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 CLRC66103HNE meets industry standards.
7.What is the process for return or replacement of CLRC66103HNE?
All CLRC66103HNE units undergo pre-shipment inspection (PSI). If there is an issue with CLRC66103HNE, 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 CLRC66103HNE part is unused and in its original packaging.
Return procedure for CLRC66103HNE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CLRC66103HNE Tags

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