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R5F101MKDFB

Manufacturer Part Number:
R5F101MKDFB
Manufacturer / Brand
RENESAS
Part of Description:
RENESAS QFP
Datasheets:
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 15141 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number R5F101MKDFB
Manufacturer / Brand RENESAS
Stock Quantity 15141 pcs Stock
Category Integrated Circuits (ICs) > Specialized ICs
Description RENESAS QFP
Lead Free Status / RoHS Status: RoHS Compliant
Condition New Original Stock
Warranty 100% Perfect Functions
Lead Time 2-3days after payment.
Payment Credit Card / PayPal / Telegraphic Transfer (T/T) / Western Union
Shipping by DHL / Fedex / UPS / TNT
Port HongKong
RFQ Email Info@IC-Components.com

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges: (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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R5F101MKDFB Product Details:

The R5F101MKDFB is a specialized integrated circuit developed by Renesas Electronics Corporation, designed to provide advanced microcontroller functionality for embedded systems and electronic applications. This compact and versatile microcontroller is part of Renesas' high-performance semiconductor portfolio, engineered to deliver robust processing capabilities in a compact QFP (Quad Flat Package) form factor.

The device is specifically tailored for applications requiring precise computational performance and efficient resource management. Its specialized integrated circuit design addresses critical challenges in modern electronic systems, such as power efficiency, compact footprint, and reliable signal processing. The QFP encapsulation ensures excellent thermal management and provides robust mechanical stability, making it suitable for demanding electronic environments.

Key features of this microcontroller include its high-density integration, which allows for complex computational tasks within a relatively small physical footprint. The circuit supports a wide range of embedded system applications, including automotive electronics, industrial control systems, consumer electronics, and IoT devices. Its versatility stems from its ability to handle multiple processing tasks with remarkable energy efficiency.

Potential equivalent or alternative models in the Renesas microcontroller lineup include the R5F10x series, which shares similar architectural characteristics and performance profiles. Designers can explore models like R5F101JEA, R5F101JELA, and R5F101JELB for comparable functionality and design requirements.

The microcontroller's compatibility with various electronic system architectures and its compact 1328 package design make it an attractive solution for engineers seeking reliable, high-performance integrated circuit components. With a substantial quantity of 218 units available, it offers ample supply for medium to large-scale electronic design projects.

R5F101MKDFB Key Technical Attributes

Manufacturer: Renesas Electronics Corporation

Manufacturer Part Number: R5F101MKDFB

Main Category: Integrated Circuits (ICs)

R5F101MKDFB Packing Size

This product features packaging in a Quad Flat Package (QFP) configuration, which is highly regarded for its reliable performance and ease of mounting on PCB assemblies. The encapsulation type is 1328, indicating a compact form factor suited for a wide range of electronic applications. The packaging is constructed from high-grade molding compounds to ensure electrical insulation and optimal thermal dissipation, supporting long-term system stability. Typically, QFP packages feature finely spaced pins around the periphery, allowing for robust connections and enhanced heat distribution. Electrically, these packages support stable current handling and contribute to reduced parasitics, making them ideal for high-speed and precision applications.

R5F101MKDFB Application

The R5F101MKDFB is designed as a specialized IC within the Renesas product family, making it well-suited for integration into sophisticated control systems, consumer electronics, industrial automation, and embedded processing applications. Its versatility ensures adaptability across numerous sectors, including automotive, communication, and IoT solutions.

R5F101MKDFB Features

This integrated circuit is characterized by a rich array of features to maximize functionality and reliability. The QFP encapsulation supports excellent thermal performance and increased pin count, allowing for enhanced input/output capabilities. The device is optimized for low power consumption, helping designers achieve energy-efficient solutions. Advanced circuit protection is inherent to its design, ensuring reliable operation even in demanding environments. Furthermore, it supports fast data processing and robust signal integrity, critical for precise and responsive system control. The specialized IC nature guarantees a high level of integration, reducing component count on your board and minimizing design complexity.

R5F101MKDFB Quality and Safety Features

The R5F101MKDFB adheres to internationally recognized quality and safety standards, ensuring its consistent operation and long-term durability. It undergoes strict quality assurance procedures at Renesas for electrical, thermal, and mechanical reliability. Enhanced protection features are built in to mitigate risks of ESD (Electrostatic Discharge) and transient disturbances, making it highly reliable for mission-critical applications. The use of non-toxic, RoHS-compliant materials in its assembly stresses safety and environmental consciousness.

R5F101MKDFB Compatibility

Engineered to integrate seamlessly with both legacy and contemporary circuit designs, the R5F101MKDFB is compatible with a broad spectrum of standard and specialized electronic assemblies. Its multi-pin QFP configuration ensures flexible interfacing with diverse microcontrollers, sensors, and peripheral devices, allowing easy adaptation into new or existing systems.

R5F101MKDFB Datasheet PDF

For professionals requiring comprehensive technical details, our website offers the most authoritative, complete datasheet for the R5F101MKDFB product model. We strongly recommend downloading the PDF available on this page, as it provides vital specifications and application guidelines directly from Renesas, assisting you in delivering optimal designs and applications.

Quality Distributor

IC-Components stands out as a top-tier, trusted distributor for Renesas products, including the R5F101MKDFB. We maintain robust inventory levels and provide rapid, reliable service. For unrivaled quality assurance and genuine sourcing, request a quote for this product directly on our website and experience our commitment to customer satisfaction and industry excellence.

Frequently Asked Questions

What are the critical power supply sequencing requirements when designing with the R5F101MKDFB microcontroller to avoid latch-up or I/O damage?
The R5F101MKDFB requires that VCC (main supply) be applied before or simultaneously with any I/O voltage rails (such as VCC_IO). Applying I/O voltages above VCC during power-up can forward-bias internal ESD protection diodes, leading to latch-up or long-term reliability degradation. A controlled power sequencing circuit or supervisor IC is recommended for industrial designs where supply ramp order cannot be guaranteed.
Can the R5F101MKDFB operate reliably in an automotive under-hood environment with ambient temperatures exceeding 105°C?
No, the R5F101MKDFB is rated for an operating temperature range of –40°C to +85°C (as specified in its datasheet), making it unsuitable for sustained operation above 85°C. For under-hood automotive applications requiring >105°C ambient, consider Renesas’ AEC-Q100 qualified MCUs such as the RL78/F1x series with extended temperature ratings.
What clocking architecture does the R5F101MKDFB use, and how should I handle clock source selection for low-power sensor node applications?
The R5F101MKDFB integrates a high-speed on-chip oscillator (HOCO) and supports external crystal/resonator connections. For ultra-low-power sensor nodes, use the internal 1 MHz LOCO clock in STOP mode and switch to HOCO only during active processing. Avoid external crystals if board space or BOM cost is constrained—internal oscillators reduce component count but may require software calibration for timing-critical protocols.
Is the R5F101MKDFB pin-compatible with the R5F100LEAFA for drop-in replacement in existing PCB layouts?
No, the R5F101MKDFB (QFP-64 package) and R5F100LEAFA (LQFP-48) have different pin counts, package footprints, and pinouts. Even if core peripherals appear similar, power, reset, and debug pins differ significantly. A layout migration will require PCB respin; however, firmware porting is feasible due to shared RL78 CPU core and peripheral register compatibility.
What configuration methods are supported for the R5F101MKDFB, and can it be programmed in-system without a dedicated debug header?
The R5F101MKDFB supports on-chip debugging via the single-wire UART-based programming interface (using the TOOL0 pin). This allows in-system programming without a full JTAG/SWD header, reducing PCB footprint. However, ensure the host programmer supports Renesas’ proprietary serial programming protocol (e.g., E1 emulator or third-party tools like Flash Development Toolkit).
Are there known reliability concerns with the R5F101MKDFB when used in high-humidity industrial environments without conformal coating?
The R5F101MKDFB’s QFP package is not hermetically sealed and may suffer from moisture-induced corrosion or solder joint degradation in high-humidity (>85% RH) environments over time. For long-term deployment in such conditions, apply conformal coating (e.g., acrylic or silicone-based) and follow IPC-CC-830 guidelines to maintain MTBF targets.
What are the key trade-offs when replacing the R5F101MKDFB with a modern ARM Cortex-M0+ MCU like the RA2E1 in a cost-sensitive design?
While the RA2E1 offers higher performance and lower active current, it requires external flash in most configurations and uses a different toolchain (Flexible Software Package vs. CS+ for Renesas). Migrating from the R5F101MKDFB also necessitates revalidation of analog peripherals (e.g., ADC accuracy, op-amp behavior) and potential PCB changes due to package differences. Evaluate total system cost—including NRE for firmware porting—before switching.
Does the R5F101MKDFB support brown-out detection (BOD) during deep sleep modes, and how is it configured?
Yes, the R5F101MKDFB includes a programmable low-voltage detect (LVD) circuit that can trigger a reset or interrupt when VCC drops below a user-selectable threshold (e.g., 2.7V, 3.0V). However, LVD must be enabled and configured before entering STOP or SNOOZE mode—otherwise, undervoltage conditions may cause undefined behavior without recovery. Use the LVIM and LVIS registers to set thresholds and response actions.
Can the R5F101MKDFB drive LEDs directly from GPIO pins in a 24V industrial control panel without external buffers?
No, the R5F101MKDFB GPIO pins are rated for a maximum output voltage of VCC + 0.3V and can source/sink only ±10 mA (absolute max). Driving LEDs in a 24V system requires level-shifting and current-limiting circuitry (e.g., open-drain FETs or optocouplers). Direct connection risks permanent damage to the MCU and violates IEC 61131-2 isolation requirements for industrial I/O.
What migration path exists from the R5F101MKDFB to a higher-pin-count RL78/G14 device while reusing existing firmware?
The R5F101MKDFB is part of the RL78/G13 family, which shares the same CPU core and peripheral architecture with the RL78/G14. Firmware migration is largely source-compatible, but you must remap peripherals to available pins and verify memory allocation (R5F101MKDFB has 32KB flash vs. up to 128KB in G14). Use Renesas’ Applilet EZ or CS+ IDE to regenerate initialization code and validate register settings for the target device.

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