RF430CL330H vs Siliconcraft Prometheus

Texas Instruments RF430CL330H (ISO14443-B, 3 KB SRAM, 848 kbps) vs NXP Siliconcraft Prometheus (ISO15693, 64 bytes user memory, battery-assisted). Protocol and memory comparison.

Side-by-side specs

Frequency
RF430CL330H
13.56 MHz
Protocol
RF430CL330H
ISO/IEC 14443-B compliant, NFC Forum Type 4, supports up to 848 kbps
Siliconcraft Prometheus
ISO/IEC 15693, NFC Forum Type 5
Memory
RF430CL330H
3 KB SRAM for NDEF messages
Siliconcraft Prometheus
64 bytes user memory / 2048 bits total EEPROM
Interface
RF430CL330H
RF (ISO14443B contactless), I2C (up to 400 kHz with clock stretching), SPI (up to 100 kHz write / 110 kHz read), interrupt output (INTO)
Siliconcraft Prometheus
RF (contactless), I2C, GPIO
Temp Range
RF430CL330H
-40°C to +85°C
Siliconcraft Prometheus
-40°C to +85°C
Form Factor
RF430CL330H
TSSOP-14 (PW) 5 mm × 4.4 mm, VQFN-16 (RGT) 3 mm × 3 mm with exposed thermal pad
Siliconcraft Prometheus
Flexible substrate module with integrated battery, display, and sensor interface
Security
RF430CL330H
Optional BIP-8 (Bit-Interleaved Parity) communication mode for error detection, NDEF structure error checking, no hardware encryption mentioned
Siliconcraft Prometheus
32-bit password protection, EAS (Electronic Article Surveillance)

Verdict

Choose the RF430CL330H if you need high-speed data transfer up to 848 kbps with ISO/IEC 14443-B and NFC Forum Type 4 compatibility, substantial memory capacity of 3 KB SRAM for NDEF messages, and flexible host interfaces including I2C at 400 kHz and SPI. This dynamic NFC transponder operates at 13.56 MHz and suits applications requiring rapid read/write operations, larger data storage for complex NDEF structures, and multiple interface options with interrupt capability. The chip supports BIP-8 error detection for communication reliability and NDEF structure error checking, making it appropriate for smartphone interactions, secure pairing, configuration transfer, and applications where frequent data updates with larger payloads are essential. The SRAM architecture allows fast temporary data handling without write cycle limitations inherent to EEPROM. Choose the Siliconcraft Prometheus if you require a battery-assisted NFC tag with integrated display and sensor capabilities operating under ISO/IEC 15693 and NFC Forum Type 5 standards at 13.56 MHz. With 64 bytes of user memory from 2048 bits total EEPROM, this chip targets smart packaging and IoT applications where modest data storage suffices but additional features like visual display output, environmental sensing, and extended read range are critical. The 32-bit password protection provides access control beyond the RF430CL330H's error detection, while EAS functionality enables retail anti-theft applications. The battery assistance allows active display updates and sensor operation independent of RF field power, making it suitable for supply chain monitoring, temperature-sensitive product tracking, interactive packaging, and scenarios where human-readable information display or environmental data logging with basic security is more valuable than high-speed data transfer or large memory capacity.

FAQ

What is the memory difference between RF430CL330H and Siliconcraft Prometheus?

The RF430CL330H provides 3 KB (3072 bytes) of SRAM for NDEF messages, while the Siliconcraft Prometheus offers only 64 bytes of user memory from 2048 bits total EEPROM. The RF430CL330H has approximately 48 times more usable memory.

Which chip supports faster NFC data transfer rates?

The RF430CL330H supports data rates up to 848 kbps using ISO14443-B protocol, while the Siliconcraft Prometheus uses ISO15693 which typically operates at lower speeds. The RF430CL330H is significantly faster for data-intensive applications.

Do these chips use the same NFC protocol standard?

No, the RF430CL330H uses ISO/IEC 14443-B (NFC Forum Type 4B) while the Siliconcraft Prometheus uses ISO/IEC 15693 (NFC Forum Type 5). These are different proximity card standards with different read ranges, speeds, and anti-collision methods.

Sourcing RF430CL330H or Siliconcraft Prometheus in volume?

Roxtron builds custom RFID and NFC products around both RF430CL330H and Siliconcraft Prometheus. Tell us your project — quantities, form factor, timeline — and we'll come back within 24 hours with pricing and lead times.