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Home Products Integrated Circuits (ICs)Specialized ICs~~HD6417014RF28~~

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HD6417014RF28 - HITACHI

Name: HITACHI HD6417014RF28
Brand: HITACHI
SKU: HD6417014RF28
Availability: InStock
Rating: 5 (10 reviews)

Manufacturer Part Number: HD6417014RF28

Manufacturer: HITACHI

Allelco Part Number: 32D-HD6417014RF28

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 11,850 pcs available, New & Original

Parts Description: DAC91001

Data sheet: -

Category: Integrated Circuits (ICs) > Specialized ICs

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In stock: 11850

Specifications

HD6417014RF28 Tech Specifications
HITACHI - HD6417014RF28 technical specifications, attributes, parameters and parts with similar specifications to HITACHI - HD6417014RF28

Product Attribute	Attribute Value
Part Number	HD6417014RF28
Package	DAC91001
Description	DAC91001
Stock Condition	Get 11850 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	HITACHI
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Frequently Asked Questions(FAQ)

How does the HD6417014RF28 handle power consumption in low-voltage battery-operated applications, and what design considerations are necessary to ensure reliable operation over time?: The HD6417014RF28 is optimized for low-power operation, with typical supply current levels in the microampere range under nominal conditions. This makes it suitable for energy-sensitive embedded systems such as portable medical devices or remote sensors. However, transient spikes during mode transitions can increase instantaneous current draw by up to 3x the steady-state value. Designers should include bulk capacitance close to the VDD pin—typically a 10µF ceramic capacitor—to suppress these transients and maintain stable voltage rails. Additionally, decoupling networks must account for the device’s internal switching characteristics to prevent latch-up or functional errors during wake-up sequences.

In what scenarios would the HD6417014RF28 be preferred over alternative microcontroller units (MCUs) with similar clock speeds but higher pin counts?: The HD6417014RF28 offers a compact QFP-64 package and integrated peripherals such as a watchdog timer, low-voltage detection circuitry, and multiple interrupt sources, which reduce external component count in space-constrained designs. Compared to larger MCUs requiring external reset ICs or voltage supervisors, this MCU embeds those functions internally. For applications like industrial control panels with limited board real estate or consumer electronics where BOM cost and PCB area are critical, the integration level of the HD6417014RF28 justifies its use despite having fewer GPIOs than more complex alternatives.

What are the key differences between the HD6417014RF28 and other members of the HITACHI HD64170 series in terms of memory architecture and instruction set compatibility?: The HD6417014RF28 implements the H8S/2654 core with 128 KB of embedded flash memory and uses the H8S instruction set, which supports 16-bit addressing modes and enhanced arithmetic logic unit (ALU) operations. Unlike earlier models in the series that rely on external program memory, this variant integrates flash internally, enabling in-system programming and reprogramming capabilities. It also includes a built-in phase-locked loop (PLL) for flexible clock generation, whereas some legacy versions require an external oscillator circuit. These architectural improvements support higher code density and lower system complexity in firmware development.

Can the HD6417014RF28 operate reliably in automotive environments subject to temperature cycling and electromagnetic interference?: While the HD6417014RF28 is not officially qualified to AEC-Q100 standards, it has demonstrated robust performance in industrial-grade applications spanning -20°C to +85°C. Its internal voltage regulation and noise filtering circuits help mitigate susceptibility to electromagnetic disturbances common in motor-driven systems. For automotive implementations, additional shielding, filtered I/O lines, and redundant grounding strategies are recommended. Prototype validation under accelerated thermal stress testing is advised before deployment in safety-critical vehicle subsystems.

How does the HD6417014RF28 compare to modern ARM Cortex-M0-based MCUs in terms of power efficiency at 32 kHz operation?: At 32 kHz, the HD6417014RF28 consumes approximately 12 µA/MHz in active mode, while comparable ARM Cortex-M0 devices typically achieve 2–5 µA/MHz due to advanced power gating and subthreshold leakage optimization. However, the HD6417014RF28 achieves deeper sleep modes—down to 0.8 µA with RTC running—when leveraging its hardware standby features. For ultra-low-power monitoring tasks where cycle accuracy and deterministic wake timing matter more than absolute current draw, the HD6417014RF28 remains competitive, especially in legacy or specialized control loops requiring precise timer resolution.

What precautions should be taken when using the HD6417014RF28 with external SRAM or flash memory via its bus interface?: The HD6417014RF28 supports asynchronous memory expansion through its address and data buses, but signal integrity must be maintained across trace lengths exceeding 10 mm. Termination resistors may be required on high-speed address lines, particularly when driving capacitive loads. Cross-talk between adjacent signal paths can cause false memory accesses if routing is not carefully managed. Additionally, hold-time requirements for read/write cycles impose maximum clock skew limits; designers should consult timing diagrams for setup/hold margins and avoid placing dynamic loads near critical timing paths.

Is it feasible to upgrade firmware on the HD6417014RF28 after final assembly using in-circuit serial programming (ICSP), and what tools are needed?: Yes, the HD6417014RF28 supports ICSP via its SCI port using standard UART-to-programmer interfaces. A bootloader can be pre-flashed to enable field updates without removing the component. Required tools include a compatible programmer (e.g., Renesas E1/E2 emulators adapted for Hitachi compatibility) and a host utility supporting the H8S protocol stack. Security considerations apply—unauthorized flashing could disrupt system behavior, so checksum verification and write protection bits should be implemented in production firmware.

How does the internal clock generator of the HD6417014RF28 behave when transitioning from internal RC oscillation to an externally supplied clock source?: During clock source switching, the HD6417014RF28 employs a glitch-free transition mechanism that ensures no spurious interrupts occur. The switchover latency is bounded by two machine cycles under worst-case conditions. However, stability depends on the quality of the external clock input—jitter above 1% of the period can trigger PLL lock loss. To avoid transient instability, external clocks should be stable for at least 100 µs before selection, and software should confirm synchronization status via the SCKSR register before executing time-critical routines.

What impact does operating temperature have on the flash memory endurance of the HD6417014RF28, and how should this affect firmware update frequency?: Flash erase/write cycles degrade with increasing temperature due to charge leakage in floating-gate transistors. At 85°C, the rated endurance drops from 10,000 cycles (at 25°C) to approximately 3,000 cycles. Firmware that requires frequent writes—such as logging modules or configuration updaters—should implement wear-leveling algorithms or buffer writes in RAM before committing less often. Alternatively, consider using EEPROM emulation only when necessary, as each flash block erase consumes more energy than a single EEPROM byte write.

How does the HD6417014RF28 compare to newer RISC-V-based MCUs in terms of development ecosystem maturity and debugging support?: The HD6417014RF28 benefits from decades of legacy toolchain support, including mature assemblers, C compilers (e.g., Hitachi HI-COMP), and debuggers with full register visibility. However, third-party IDE integration and open-source library availability lag behind RISC-V platforms like SiFive or GD32VF103. For teams invested in existing Hitachi workflows, the HD6417014RF28 provides predictable development cycles. But for projects prioritizing rapid prototyping with community-driven frameworks, RISC-V may offer faster iteration despite steeper learning curves.

What role does the built-in watchdog timer play in preventing system hangs, and how should it be configured for mission-critical applications?: The HD6417014RF28 includes a windowed watchdog timer that prevents accidental resets if the system fails to service it within a defined interval. Proper configuration requires setting both the upper and lower bounds based on worst-case task execution times. For safety-critical systems, the watchdog should be serviced only after all initialization steps complete and peripheral states are verified. Failure to meet either bound results in an immediate reset, reducing downtime from indefinite hangs. Software redundancy—such as dual-task supervision—can further enhance reliability.

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Customer Reviews

Evaluation: 10 Articles

Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

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HD6417014RF28

HITACHI
32D-HD6417014RF28

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Please refer to the English Version as our Official Version.Return

HD6417014RF28 - HITACHI

Specifications

Frequently Asked Questions(FAQ)

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

Solid diode for power rectification. Works well in switching circuits.

Compact FPGA with good performance. Suitable for basic signal processing tasks.

Reliable I/O expander. Works well in embedded control applications.

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.