Renesas RA4M1 32-bit ARM Cortex-M4 MCU
The Renesas RA4M1 is a 32-bit ARM Cortex-M4F microcontroller with 48MHz operation, 512KB flash, and TrustZone security for functional safety applications up to SIL3/ASIL-B. It integrates the processor, memory, and security circuits on a single chip. As a processor or controller combined with memories and other circuits, it falls under tariff item 8542.31.00 for electronic integrated circuits.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the device is imported without processor functionality, only as memory
Memories are classified separately under this heading.
If the integrated circuit has a function other than processing or controlling
Other electronic integrated circuits are classified under this residual subheading.
If imported as part of a wireless communication device
Machines for receiving, converting and transmitting voice, images or data are classified in heading 85.17.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Classify the RA4M1 as an electronic integrated circuit under 8542.31.00, ensuring the description highlights its processor function
• Have the datasheet available to confirm the device's architecture if the CBSA asks for details
• Verify whether the goods are eligible for duty-free entry under a trade agreement, as this can lower the import cost
Related Products under Tariff item 8542.31.00
AMD Ryzen 5 5600X Processor
> The AMD Ryzen 5 5600X is a desktop processor built on the Zen 3 architecture, integrating six CPU cores, a memory controller, PCIe 4.0 controller, and precision boost clock circuits into a single monolithic die. As an electronic integrated circuit that performs processing and control functions, it falls under tariff item 8542.31.00, which covers processors and controllers whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits.
Apple A15 Bionic Chip
> The Apple A15 Bionic is a system-on-chip (SoC) that integrates a 6-core CPU, 5-core GPU, 16-core Neural Engine, and an LPDDR4X memory controller in a single package. It is an electronic integrated circuit designed primarily for processing and control in smartphones, and is classified under tariff item 8542.31.00 as a processor combined with memories, converters, logic circuits, and other circuits.
Arduino Nano RP2040 Connect Chip
> The Arduino Nano RP2040 Connect is a microcontroller module based on the RP2040 chip, which integrates a dual-core ARM Cortex-M0+ processor, SRAM, and programmable I/O. It includes additional components like WiFi and Bluetooth, but the core is a processor and controller. It falls under tariff item 8542.31.00 as a controller combined with memories and timing circuits.
ATmega328P Microcontroller
The ATmega328P is an 8-bit AVR RISC-based microcontroller with 32KB of flash memory, widely used in Arduino Uno boards for hobbyist and educational projects. It integrates a processor core, memory, and various peripherals such as timers and analog-to-digital converters, qualifying it as a processor or controller under tariff item 8542.31.00.
ATSAMD51J20A 32-bit ARM Cortex-M4F MCU
The Microchip ATSAMD51J20A is a 32-bit ARM Cortex-M4F microcontroller with 1MB flash, 256KB SRAM, and a 120MHz core with DSP capabilities. Designed for high-performance wearables and audio processing, it integrates the processor, memory, and peripheral circuits on a single chip. As a processor or controller combined with memories and other circuits, it falls under tariff item 8542.31.00 for electronic integrated circuits.
ATtiny85 Microcontroller
The ATtiny85 is a compact 8-bit AVR microcontroller with 8KB of flash memory, designed for wearables and IoT sensors. It includes an ADC, PWM, and USI interface, all integrated into a single chip, making it a processor or controller under 8542.31.00.