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NXP Semiconductors NCF3320EHN/0Y
- Part No.:
- NCF3320EHN/0Y
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
NCF3320EHN/0Y.pdf
- Description:
- IC 32HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,757
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Product details
Overview
NCF3320EHN/0Y from NXP Semiconductors is an automotive-grade NFC frontend IC designed for secure car access systems, featuring ISO/IEC 14443 A/B, 15693, FeliCa and NFC-IP1 compliance, 8 KB EEPROM, 512-byte FIFO, and RF output support up to 350 mA at 3–5.5 V supply.
For engineers reviewing the NCF3320EHN/0Y datasheet, NCF3320EHN/0Y pinout, NCF3320EHN/0Y application, or NCF3320EHN/0Y equivalent, key selection factors include its HVQFN32 package with wettable flanks, low-power card detection (40 nA power-down current), 13.56 MHz carrier frequency, and initiator-mode P2P support for mobile credential interaction in constrained automotive environments.
Technical Context
The NCF3320EHN/0Y implements a fully integrated analog RF front-end with digital baseband control, supporting passive initiator mode per ISO/IEC 18092 for peer-to-peer communication and full reader/writer operation across three major contactless protocols. Its internal 8 KB EEPROM stores application-specific register configurations enabling fast boot and field-updatable behavior without host MCU intervention.
It delivers high RF output power via a 3–5.5 V supply rail driving up to 350 mA, enabling >100 mm reading distance with optimized antenna matching. The device operates across –40 °C to +85 °C and supports SPI, I²C, and RS232 host interfaces - all with hardware-level protocol acceleration for ISO 14443 (106–848 kbit/s), ISO 15693 (6.78–53 kbit/s), and FeliCa (212–424 kbit/s).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Carrier Frequency | 13.56 MHz - fixed operating frequency compliant with global NFC and RFID standards. |
| RF Supply Voltage Range | 3 V to 5.5 V - enables direct integration with automotive 3.3 V or 5 V power domains without LDO overhead. |
| Max RF Output Current | 350 mA - supports high-field-strength antenna designs for >100 mm read range under real-world EMI conditions. |
| Power-Down Current | 40 nA typical - allows ultra-low-power wake-on-card-detection in battery-backed door handle modules. |
| FIFO Size | 512 bytes - buffers complete APDUs for ISO 14443 and NFC-IP1 transactions, reducing host interrupt load. |
| EEPROM Capacity | 8 KB - stores calibrated analog settings, protocol stacks, and security keys for field-deployed configuration persistence. |
| Operating Temperature | –40 °C to +85 °C - qualified for passenger compartment mounting locations per AEC-Q100 Grade 3. |
Pinout & Package
HVQFN32 package (5 mm × 5 mm, 0.5 mm pitch) with wettable flanks for automated optical solder-joint inspection in automotive SMT lines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_RF | RF Power Supply Input | Accepts 3–5.5 V; powers internal RF driver stage and must be locally decoupled for EMI suppression. |
| VDD_DIG | Digital Core Supply | Separate 1.8–3.3 V rail for logic and interface circuitry; enables voltage domain isolation from noisy RF section. |
| ANT1 / ANT2 | Differential RF Antenna Interface | Direct connection to matching network; supports 50 Ω differential or single-ended antenna topologies. |
| SCLK / MOSI / MISO / SS | SPI Interface Signals | Full-duplex SPI with configurable clock polarity/phase; supports up to 10 MHz for high-throughput register and FIFO access. |
| SCL / SDA | I²C Interface Signals | Standard-mode (100 kHz) and fast-mode (400 kHz) compatible; used for configuration and status polling. |
| TXD / RXD | RS232 UART Interface | Asynchronous serial interface with TTL-level signaling; requires external level shifter for true RS232 voltage levels. |
| IRQ | Interrupt Request Output | Active-low open-drain signal indicating card detection, FIFO threshold, or protocol event completion. |
| RESET_N | Hardware Reset Input | Active-low asynchronous reset; initiates full internal state machine restart and EEPROM reload. |
Key Features
| Feature | Design Value |
|---|---|
| Multi-protocol RF Frontend | Simultaneous hardware support for ISO 14443 A/B, ISO 15693, FeliCa, and NFC-IP1 initiator mode - eliminates need for external protocol translation. |
| Low-Power Card Detection | 40 nA power-down current with wake-on-field detection - enables always-on credential sensing in energy-constrained door handles. |
| Integrated EEPROM | 8 KB non-volatile memory storing antenna tuning parameters, modulation profiles, and cryptographic keys - reduces host MCU firmware complexity. |
| High-Baudrate Support | Up to 848 kbit/s ISO 14443 and 53 kbit/s ISO 15693 - enables rapid credential exchange for time-sensitive access events. |
| Wettable Flank Packaging | HVQFN32 with solderable side terminals - ensures reliable automated optical inspection (AOI) and X-ray verification in automotive PCB assembly. |
Applications
| Secure Car Access | Fleet Management |
|---|---|
Use Scenario: Passive entry system where driver's NFC-enabled smartphone or fob triggers door unlock without physical button press. IC Role / Device Role / Timing Role: NFC frontend IC performing analog field generation, modulation/demodulation, and protocol stack execution independent of host MCU. Use Value: Enables >100 mm read range and sub-100 ms credential validation using internal 8 KB EEPROM-stored antenna calibration data. | Use Scenario: Centralized fleet vehicle authentication during check-in/check-out at depot gates or charging stations. IC Role / Device Role / Timing Role: Reader IC operating in ISO 15693 initiator mode to interrogate vehicle-mounted tags containing VIN, service history, and driver ID. Use Value: Supports 53 kbit/s data rate and long APDU handling for secure firmware update metadata exchange with backend servers. |
| Car Sharing | Center Stack Reader |
Use Scenario: Rental vehicle startup authorization via user's NFC phone, requiring mutual authentication and session key establishment. IC Role / Device Role / Timing Role: Initiator-mode NFC-IP1 peer-to-peer transceiver interfacing with mobile device to exchange encrypted challenge-response payloads. Use Value: Leverages built-in MIFARE Crypto1 engine and 512-byte FIFO to complete P2P handshaking within 200 ms, meeting ISO 18092 timing constraints. | Use Scenario: In-vehicle infotainment center stack supporting personalization via NFC tag tap (e.g., profile sync, theme download). IC Role / Device Role / Timing Role: ISO 14443 A/B reader IC managing multiple tag types (MIFARE Classic®, ICODE) with automatic protocol arbitration. Use Value: Hardware-accelerated 848 kbit/s baudrate and 8 KB EEPROM enable instant tag read/write for large configuration files without host CPU bottleneck. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NFC frontend applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PN7150B0HN/C1 | Lower RF output (max 150 mA); no internal EEPROM; supports only ISO 14443 A/B and NFC-IP1. | Targeted at consumer electronics; lacks automotive temperature grade and ISO 15693/FeliCa support. | Choose for cost-sensitive non-automotive reader designs where multi-protocol coverage is not required. |
| NCN5120A0HN/0Y | Same HVQFN32 package; adds integrated secure element (SE) and supports ISO 14443 A/B, 15693, and NFC-IP1; 4 KB EEPROM. | Designed for higher-security automotive use cases requiring certified cryptographic key storage and SE-based attestation. | Choose when end-to-end credential chain-of-trust (e.g., PKI-based vehicle onboarding) is mandated by OEM security policy. |
Compared with PN7150B0HN/C1 and NCN5120A0HN/0Y, the NCF3320EHN/0Y uniquely balances high RF output (350 mA), full multi-protocol support including FeliCa and ISO 15693, and 8 KB EEPROM - making it optimal for automotive secure access where reading distance, protocol flexibility, and field-updatable configuration are jointly critical.
Availability
NCF3320EHN/0Y is available at Aetrix Electronics and suitable for secure car access, fleet management, and car sharing systems requiring stable component supply, AEC-Q100 qualification, and long-term automotive lifecycle support.
Supply support for NCF3320EHN/0Y 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 company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The NCF3320 series belongs to NXP's automotive NFC frontend IC product line, engineered specifically for robust, high-output contactless reader functionality in space-constrained, safety-critical vehicle access systems.
FAQ
What is the operating temperature range for the NCF3320EHN/0Y?
The NCF3320EHN/0Y is rated for –40 °C to +85 °C, meeting AEC-Q100 Grade 3 requirements for passenger compartment automotive applications. This range covers typical door handle, center stack, and pillar-mounted installation locations where ambient thermal cycling occurs without active cooling. The NCF3320EHN/0Y maintains full RF performance and EEPROM reliability across this span without derating.
Does the NCF3320EHN/0Y support peer-to-peer communication with smartphones?
Yes, the NCF3320EHN/0Y supports NFC-IP1 peer-to-peer initiator mode per ISO/IEC 18092, enabling bidirectional data exchange with NFC-enabled smartphones. It handles the analog layer, frame formatting, and timing-critical handshake sequences independently. The NCF3320EHN/0Y does not support target mode, so it cannot act as a passive tag emulator - only as the initiating reader in P2P sessions.
How much EEPROM memory does the NCF3320EHN/0Y include, and what is it used for?
The NCF3320EHN/0Y integrates 8 KB of on-chip EEPROM, pre-programmed with factory calibration data and configurable for application-specific register settings. It stores antenna matching coefficients, modulation profiles, security keys, and protocol stack parameters - allowing field updates without host MCU firmware changes. This memory is endurance-rated for 100,000 write cycles and retains data for 10 years at +85 °C.
What host interfaces does the NCF3320EHN/0Y support?
The NCF3320EHN/0Y supports SPI, I²C, and RS232 (TTL-level UART) host interfaces. SPI operates up to 10 MHz for high-speed register and FIFO access; I²C supports standard and fast modes (100/400 kHz); RS232 uses TXD/RXD pins with software-configurable baud rates. All interfaces share common interrupt (IRQ) and reset (RESET_N) signals, simplifying host-side driver development for the NCF3320EHN/0Y.
Is the NCF3320EHN/0Y pin-compatible with other members of the NCx3320 family?
Yes, the NCF3320EHN/0Y shares identical HVQFN32 pinout and footprint with NCJ3320EHN/0Y (–40 °C to +105 °C) and NCK3320EHN/0Y (–40 °C to +125 °C). Electrical characteristics differ only in temperature rating and some analog performance limits - all digital registers, memory maps, and interface timing remain consistent. This allows drop-in replacement across thermal grades without PCB redesign for the NCF3320EHN/0Y.
NCF3320EHN/0Y Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- -
- Frequency:
- -
- Standards:
- -
- Interface:
- -
- Voltage - Supply:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-HVQFN (5x5)
NCF3320EHN/0Y FAQ
1.How can I place an order for NCF3320EHN/0Y through Aetrix?
Please submit a Request for Quotation (RFQ) for NCF3320EHN/0Y 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 NCF3320EHN/0Y reliable?
The price and inventory of NCF3320EHN/0Y are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCF3320EHN/0Y is usually 5 days.
3.What payment methods are accepted for NCF3320EHN/0Y?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCF3320EHN/0Y transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCF3320EHN/0Y?
NCF3320EHN/0Y orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCF3320EHN/0Y 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 NCF3320EHN/0Y?
For technical support, including NCF3320EHN/0Y datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCF3320EHN/0Y requirements.
6.How does Aetrix verify that NCF3320EHN/0Y is sourced from the original manufacturer or authorized distributors?
All NCF3320EHN/0Y 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 NCF3320EHN/0Y meets industry standards.
7.What is the process for return or replacement of NCF3320EHN/0Y?
All NCF3320EHN/0Y units undergo pre-shipment inspection (PSI). If there is an issue with NCF3320EHN/0Y, 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 NCF3320EHN/0Y part is unused and in its original packaging.
Return procedure for NCF3320EHN/0Y:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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