NFCI²C dual interfaceNXP

NTAG 223

The NXP NTAG 223 is an NFC tag IC, with 144 bytes user memory / 168 bytes total, operating at 13.56 MHz, under ISO/IEC 14443-A NFC Forum Type 2.

NFC Forum Type 2 tag IC optimized for status detection with configurable field detection and low power consumption

Official Datasheet ↗
Frequency
13.56 MHz
Protocol
ISO/IEC 14443-A, NFC Forum Type 2
Memory
144 bytes user memory / 168 bytes total
Interface
RF (contactless), I2C
Temp Range
-25°C to +85°C
Form Factor
XQFN8, HVSON8, wafer

Full Specifications

ManufacturerNXP
Frequency CategoryNFC
Frequency13.56 MHz
ProtocolISO/IEC 14443-A, NFC Forum Type 2
Memory144 bytes user memory / 168 bytes total
InterfaceRF (contactless), I2C
Temperature Range-25°C to +85°C
Form FactorXQFN8, HVSON8, wafer
Security32-bit password protection, originality signature, NFC counter

Engineering Brief

The NTAG 223 is an NFC Forum Type 2 tag IC specifically designed for status detection applications in smart packaging. It features a configurable field detection pin (FD pin) that enables external circuit control and first-open detection without powering the full IC. With 144 bytes of user memory, password protection, and originality signature, it provides secure authentication and tamper evidence for connected packaging, pharmaceuticals, and consumables tracking applications at ultra-low power consumption.

Typical Applications

Standards & Compliance

Frequently Asked Questions

What is the memory size of the NTAG 223?

The NTAG 223 has 144 bytes of user-accessible memory and 168 bytes total memory. It is an NFC Forum Type 2 tag IC operating at 13.56 MHz with ISO/IEC 14443-A compatibility.

Does the NTAG 223 have field detection capability?

Yes, the NTAG 223 features a configurable field detection pin (FD pin) that enables external circuit control and first-open detection without powering the full IC, making it ideal for ultra-low power status detection applications.

What security features does the NTAG 223 offer?

The NTAG 223 includes 32-bit password protection, an originality signature for authentication, and an NFC counter for tamper evidence and secure tracking in smart packaging applications.

Is the NTAG 223 compatible with NFC smartphones?

Yes, the NTAG 223 is an NFC Forum Type 2 compliant tag IC that is fully compatible with NFC-enabled smartphones and devices supporting ISO/IEC 14443-A protocol.

What is the difference between NTAG 223 and NTAG 223 DNA?

The NTAG 223 DNA adds advanced cryptographic authentication and secure unique NFC message features compared to the standard NTAG 223, while both share the same memory size and field detection capabilities.

Does the NTAG 223 support I2C interface?

Yes, the NTAG 223 features both RF (contactless) and I2C interfaces, enabling dual-interface operation for wired communication alongside NFC wireless connectivity.

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Cross-manufacturer alternatives

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