Renesas Electronics

R5F21194NP#U0 - 16-Bit 20MHz R8C MCU | Renesas Electronics

MPN: R5F21194NP#U0 ✓ सक्रिय
3 V to 5 V Vdss 28-HWQFN (PWQN0028KA-B), 5 mm x 5 mm Package 20 MHz Speed 16 KB (16K x 8) Memory
न्यूनतम ऑर्डर मात्रा: 1 |

R5F21194NP#U0 अवलोकन

The Renesas Electronics R5F21194NP#U0 is a 16-bit R8C-series microcontroller operating at up to 20 MHz, with 16 KB of flash memory and four comparators, housed in a 28-pin HWQFN package measuring 5 mm by 5 mm. It is designed for compact embedded-control systems requiring a low-power 3 V to 5 V operating environment, mixed-signal monitoring, and integrated peripheral control.

A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The R8C family belongs to the broader embedded-controller hierarchy, combining general-purpose control, serial communication, timers, analog comparison, and watchdog functions. This makes the R5F21194NP#U0 useful when a design needs local control, sensor conditioning, actuator signaling, and communication without relying on a higher-cost application processor.

The R8C CPU core provides 16-bit processing at a maximum clock frequency of 20 MHz. Its 16 KB flash program memory can store firmware for embedded-control tasks, while the integrated four-channel comparator supports threshold detection and low-cost analog supervision. The 28-HWQFN surface-mount package also includes data-flash capability according to the device listing, allowing selected parameters or operational data to be retained in nonvolatile form when supported by the firmware and application requirements.

The device is identified as a non-promotion R8C/1x/19-group microcontroller. Its 3 V to 5 V operating range supports conventional embedded-control rails, while the small 5 mm by 5 mm HWQFN package reduces board area compared with larger leaded-outline packages. The package also demands careful PCB layout because its fine-pitch contacts and exposed thermal construction require compatible land patterns, solder paste design, and thermal-via placement.

Typical applications include industrial sensor interfaces, compact motor and actuator controllers, digital monitoring modules, laboratory equipment, and low-power embedded instruments. It is also appropriate for designs that compare external analog signals, supervise thresholds, and perform control functions in a compact embedded platform.

A key design consideration is firmware and peripheral planning. Before schematic capture, confirm the exact pin assignments, peripheral multiplexing, clock configuration, and programming mode in the manufacturer datasheet. The fine-pitch HWQFN package also requires assembly controls, including inspection of solder joints and sufficient thermal management under sustained processing loads.

This page combines the verified device identity with practical application guidance, engineering design notes, package information, and clearly identified data gaps. It is intended to help engineers evaluate the R5F21194NP#U0 quickly while directing detailed pin, electrical, and programming decisions to the authoritative Renesas documentation.

के लिए ड्रॉप-इन विकल्प R5F21194NP#U0 — समान पैकेज, पिन-टू-पिन संगत। PCB रीवर्क आवश्यक करने वाले भिन्न-पैकेज पार्ट्स शामिल नहीं हैं।

इस उत्पाद के लिए कोई drop-in alternatives उपलब्ध नहीं।

विकल्प अनुरोध करें

R5F21194NP#U0 Maximum Ratings और Electrical Characteristics

Product Type 16-bit R8C microcontroller
CPU Core R8C
Series R8C/1x/19
CPU Bit Width 16 bit
अधिकतम क्लॉक फ़्रीक्वेंसी 20 MHz
Flash Memory 16 KB (16K x 8)
Comparator Count 4 channels
ऑपरेटिंग सप्लाई वोल्टेज 3 V to 5 V
Alternative Supply Voltage Range 2.7 V to 5.5 V
ऑपरेटिंग तापमान रेंज -20 °C to 85 °C
पैकेज 28-HWQFN (PWQN0028KA-B), 5 mm x 5 mm
माउंटिंग प्रकार Surface mount
Data Flash Supported
Watchdog Timer Supported
Lead-Free Status Pb-free
Program Memory Type Flash
Application Classification Non-promotion product

R5F21194NP#U0 28-hwqfn (pwqn0028ka-b), 5 mm x 5 mm पिन कॉन्फ़िगरेशन गाइड

R5F21194NP#U0 (28-hwqfn (pwqn0028ka-b), 5 mm x 5 mm पैकेज) के लिए पिन कॉन्फ़िगरेशन। इस डिजिटल IC में GPIO, संचार इंटरफ़ेस (UART, SPI, I2C) और पावर पिन शामिल हैं। वैकल्पिक पिन फ़ंक्शन और कॉन्फ़िगरेशन विकल्पों के लिए निर्माता डेटाशीट देखें। एम्बेडेड सिस्टम डिज़ाइन और PCB लेआउट के लिए आवश्यक।

R5F21194NP#U0 के लिए 28-hwqfn (pwqn0028ka-b), 5 mm x 5 mm पैकेज पिनआउट आरेख

इसके लिए कोई विस्तृत pinout data उपलब्ध नहीं: R5F21194NP#U0.

देखें डेटाशीट पूर्ण पिन कॉन्फ़िगरेशन के लिए।

सामान्य अनुप्रयोग

R5F21194NP#U0 के लिए उपयुक्त है 6 अनुप्रयोगs: Industrial Sensor Interface, Compact Motor and Actuator Control, Digital Monitoring and Threshold Control, Laboratory Embedded Instruments, Battery-Powered Embedded Modules, Programmable Logic and Peripheral Control.

🏭

Industrial Sensor Interface

The Renesas Electronics R5F21194NP#U0 fits compact sensor-hub designs that must compare several analog inputs and perform local control. Its four comparator channels can implement threshold detection for temperature, level, pressure, or industrial-limit signals, while the 16-bit R8C core runs at up to 20 MHz. Use the device within its 3 V to 5 V nominal range and -20 °C to 85 °C temperature range. The 28-HWQFN package conserves board area, although the fine-pitch footprint requires careful land-pattern and assembly planning.

🔧

Compact Motor and Actuator Control

The R5F21194NP#U0 is suitable for low- and medium-duty actuator-control blocks where local logic must evaluate sensor conditions and drive outputs. Its 20 MHz R8C core provides enough instruction throughput for coordinated control loops, while four comparator channels can monitor limits or feedback signals. The 3 V to 5 V operating range aligns with common embedded power systems, and the 5 mm by 5 mm 28-HWQFN package supports compact multi-axis or distributed controller layouts.

📡

Digital Monitoring and Threshold Control

Use the R5F21194NP#U0 in monitoring modules that compare sensed voltages against configurable limits and report events through embedded serial interfaces. Four integrated comparators reduce the need for discrete threshold channels, while the 16-bit processor core supports filtering, debouncing, state management, and fault logging. Its 16 KB flash memory provides a defined firmware budget for these tasks. The package and supply range suit compact instrumentation, although external protection remains necessary for long cable runs or harsh industrial inputs.

🖥️

Laboratory Embedded Instruments

The R5F21194NP#U0 can serve as the control processor in a compact laboratory instrument that coordinates threshold comparison, data acquisition sequencing, and user commands. A 20 MHz R8C core is suitable for deterministic peripheral orchestration, while data-flash capability can support retained configuration or operational records. The 28-HWQFN footprint limits panel-board area, but designers should verify pin multiplexing and programming access in the datasheet before finalizing the control board.

🔋

Battery-Powered Embedded Modules

The R5F21194NP#U0 is appropriate for small battery-powered modules that need local sensing, comparator-based supervision, and modest processing without a large application processor. Its compact 28-HWQFN package supports board miniaturization, and the 3 V to 5 V operating range permits use with common regulated or battery-derived rails. Firmware should use low-power modes, disable unused peripherals, and account for comparator, oscillator, and communication activity in the final energy budget.

🧩

Programmable Logic and Peripheral Control

The R5F21194NP#U0 can act as a supervisory controller in a mixed embedded board where it evaluates comparator inputs, sequences peripheral devices, and manages fault-safe states. Its 20 MHz 16-bit core provides responsive control without requiring a larger FPGA or high-power processor. Sixteen kilobytes of flash must be allocated carefully across boot logic, application firmware, and update features. The dense HWQFN land pattern should be reviewed for assembly yield, inspection access, and adequate copper thermal support.

What is the R5F21194NP#U0?
The R5F21194NP#U0 is a Renesas Electronics 16-bit R8C microcontroller with a maximum clock frequency of 20 MHz and 16 KB of flash memory. It also includes four comparator channels, a watchdog timer, data-flash capability, and a 28-HWQFN package measuring 5 mm by 5 mm. According to the Renesas product page, the device belongs to the R8C/1x/19 group and is classified as a non-promotion product.
What is the operating voltage of R5F21194NP#U0?
The R5F21194NP#U0 operates from 3 V to 5 V, with an alternative listed operating range of 2.7 V to 5.5 V. These figures identify the device as suitable for conventional low-voltage embedded-control systems. The 5 V maximum should be treated as the principal design limit, and transient, absolute-maximum, and decoupling requirements should be checked in the manufacturer datasheet before the supply rail is finalized.
What is the maximum clock frequency of R5F21194NP#U0?
The maximum clock frequency of the R5F21194NP#U0 is 20 MHz. This clock rate supports responsive embedded-control functions while retaining the resource profile of a compact 16-bit R8C microcontroller. Actual operating performance depends on the selected clock source, configured peripheral clocks, flash wait states, and firmware workload, so timing-critical designs should use the clock and wait-state guidance in the manufacturer datasheet.
How much flash memory does R5F21194NP#U0 have?
The R5F21194NP#U0 contains 16 KB of flash memory, organized as 16K x 8. This provides storage for control firmware, configuration routines, interrupt handlers, and application logic in a compact embedded system. Because flash capacity is limited, projects should include a firmware-size review during architecture planning and avoid reserving unnecessary storage for duplicated libraries, logging, or rarely used features.
Where can I download the R5F21194NP#U0 datasheet PDF?
The R5F21194NP#U0 datasheet PDF is available through the Renesas product page and the linked R5F21194NP documentation. The documentation describes the device as a 16-bit single-chip MCU in the R8C/1x series and is 257 pages long according to the document listing. Use the manufacturer document for authoritative pin descriptions, electrical limits, timing, peripheral operation, and programming instructions.
Where can I find the R5F21194NP#U0 pinout?
The R5F21194NP#U0 pinout is defined in the manufacturer datasheet for the 28-HWQFN, or PWQN0028KA-B, package. The package has 28 terminals in a 5 mm by 5 mm surface-mount land pattern. Before assigning PCB tracks, consult the pin-description table and package drawing for exact terminal numbering, exposed-pad treatment, and functions that vary with peripheral multiplexing.
Is R5F21194NP#U0 suitable for industrial sensor interfaces?
Yes, the R5F21194NP#U0 is suitable for compact industrial sensor interfaces when the design stays within its 3 V to 5 V nominal operating range and -20 °C to 85 °C temperature range. Its four comparator channels can perform threshold monitoring, while the 20 MHz R8C core supports local control and communication tasks. Signal conditioning, isolation, surge protection, and environmental requirements must be addressed separately.
R5F21194NP#U0 vs R5F21194NP — what is the difference?
The available part listing identifies R5F21194NP#U0 as the complete orderable designation, while R5F21194NP identifies the underlying device family or base name. The listing associates the complete part with a 20 MHz R8C core, 16 KB flash, four comparators, and 28-HWQFN package. Confirm ordering suffixes, package code, temperature marking, and programming configuration against the manufacturer ordering information before treating either designation as interchangeable.
When should I choose R5F21194NP#U0 over another R8C microcontroller?
Choose the R5F21194NP#U0 when a design needs a 16-bit R8C core at 20 MHz, exactly 16 KB of flash, four comparator channels, and a compact 28-HWQFN footprint. It is especially suitable for local sensing, threshold supervision, and embedded-control blocks requiring a 3 V to 5 V supply. Choose another member when greater memory, different peripheral mix, larger package, wider temperature range, or a different cost target is required.
What can replace R5F21194NP#U0?
A true drop-in replacement for the R5F21194NP#U0 must use the same 28-HWQFN land pattern, preserve pin-to-pin signal assignments, and match the critical memory, clock, voltage, and peripheral requirements. No verified candidate meeting all of those conditions is identified in the available cross-reference results. Treat the manufacturer and distributor records as the starting point, then validate any candidate electrically, in firmware, and through PCB compatibility review.
Is R5F21194NP#U0 the same as an equivalent Renesas R8C device?
No equivalent Renesas R8C device should be considered identical without a documented pin and parameter comparison. Matching the R8C family name alone does not establish compatibility because flash size, comparator count, timers, serial interfaces, pin multiplexing, and package construction can differ. A valid equivalent must preserve the 28-HWQFN footprint and the functions used by the target PCB, including the four comparator channels and 16 KB flash requirement.
What are the key specifications of R5F21194NP#U0 that engineers should know?
The key specifications of the R5F21194NP#U0 are its 16-bit R8C CPU core, 20 MHz maximum operating frequency, 16 KB of flash memory, four comparator channels, 3 V to 5 V nominal supply range, and 28-HWQFN package. The device also includes a watchdog timer and data-flash capability. These parameters define its core suitability for compact embedded-control and mixed-signal monitoring designs.
What is the best cross-brand equivalent for R5F21194NP#U0?
No cross-brand equivalent can be identified as a verified drop-in replacement from the available cross-reference results. The R5F21194NP#U0 uses a Renesas-specific R8C architecture, 28-HWQFN package, 20 MHz clock, 16 KB flash configuration, and four-channel comparator arrangement, so a superficially similar MCU may require firmware, pinout, and peripheral changes. Validate any cross-brand proposal against the complete manufacturer pin and electrical tables.
Where to buy R5F21194NP#U0 online?
Use the Request a Quote form on this page to request the R5F21194NP#U0 and confirm current availability, quantity, and delivery information. The manufacturer product page identifies the part as orderable, but purchasing terms can change by region, quantity, and inventory. Share the required quantity, target date, and packaging preference with the quote team so the correct suffix is confirmed before ordering.
What is the price of R5F21194NP#U0?
Current commercial pricing for the R5F21194NP#U0 should be requested through the Request a Quote form on this page. The available product listings identify the exact device and package, but they do not expose a qualifying quantity-break price table for copying into a static price record. The quote team can confirm the applicable commercial terms and current lead time for the quantity and package needed by the project.
What is the lead time for R5F21194NP#U0?
Request the current R5F21194NP#U0 lead time through the Request a Quote form on this page. Lead time depends on order quantity, package format, production allocation, and the requested delivery date, so it should be confirmed for the specific procurement plan. The device is presented as orderable, but an orderable listing does not by itself guarantee immediate shipment of every quantity.

के लिए इंजीनियरिंग संदर्भ डेटा R5F21194NP#U0 — तुलना, डिज़ाइन मार्गदर्शन और अनुपालन जानकारी।

चयन गाइड

Choose the R5F21194NP#U0 when the design requires a 16-bit R8C microcontroller operating at up to 20 MHz, 16 KB of flash, four comparator channels, and a compact 28-HWQFN package. Its 3 V to 5 V nominal supply range is appropriate for conventional embedded-control systems, and its -20 °C to 85 °C range covers commercial and extended industrial environments. Consider another R8C device when more flash, additional timers, different serial-interface resources, a larger package, or a wider temperature range is needed. Do not select a cross-brand MCU solely by core speed or package dimensions; verify pin-to-pin compatibility, peripheral functions, programming, memory layout, and electrical limits. Likewise, a same-package MCU with a different architecture may require firmware and board changes even when its headline specifications appear similar.

विकल्पों के साथ तुलना

पैरामीटर यह उत्पाद
Brand Renesas Electronics
Package 28-HWQFN (PWQN0028KA-B), 5 mm x 5 mm
Product Type 16-bit R8C microcontroller
CPU Core R8C
Maximum Clock Frequency 20 MHz
Flash Memory 16 KB (16K x 8)
Comparator Count 4 channels
Nominal Operating Voltage 3 V to 5 V
Operating Temperature Range -20 °C to 85 °C
Data Flash Supported

मुख्य विशेषताएँ

  • Integrated four-channel comparator capability (बनामNo verified drop-in alternative is available for comparison)
  • Compact 5 mm by 5 mm surface-mount package (बनामNo verified drop-in alternative is available for comparison)
  • Defined low-voltage embedded-control configuration (बनामNo verified drop-in alternative is available for comparison)

डिज़ाइन नोट्स

Treat the 28-HWQFN as a fine-pitch, thermal-sensitive land pattern rather than a generic QFN footprint. Assign the exact package code PWQN0028KA-B from the manufacturer drawing, including its exposed-pad dimensions and mask-aperture details. Verify pin numbering, terminal pitch, paste volume, and solder mask geometry against the current package specification before releasing artwork.

Design the 3 V to 5 V supply rail with enough local decoupling for the R8C core, comparators, and active peripherals. Follow the manufacturer’s recommended input and output capacitor values, ESR range, and voltage rating rather than selecting capacitors by capacitance alone. Check startup current, analog-reference behavior, and brownout requirements against the specific operating mode used in the design.

Provide a thermal path beneath the exposed package area and populate thermal vias according to the manufacturer land-pattern guidance. The 20 MHz operating rate and enabled peripherals determine actual dissipation, so assess worst-case activity rather than an idle condition. Keep analog and power-loop routing away from exposed thermal structures where copper isolation is required by the package drawing.

Do not assume that every R8C/1x/19-family device has identical pins or peripheral options. The four comparator channels, flash capacity, pin multiplexing, programming mode, and package assignments must be checked in the R5F21194NP datasheet. Confirm that the programming interface, reset behavior, clock sources, and unused pins are terminated according to the device requirements before fabrication.

Separate analog comparator inputs from fast digital clocks and switching outputs to reduce coupling into threshold measurements. Keep the MCU supply path compact and follow the recommended placement of decoupling components. If the board combines sensitive sensing with clocked digital circuitry, establish a practical ground strategy during schematic review rather than relying on a single split-plane decision made after routing.

अनुपालन जानकारी

RoHS
Unknown
REACH
Unknown
AEC-Q100
Unknown
लीड फ्री
Yes
हैलोजन फ्री
Unknown
कॉन्फ्लिक्ट मिनरल्स
Unknown

The product listing identifies R5F21194NP#U0 as Pb-free. RoHS, REACH, AEC-Q100, halogen-free, and conflict-minerals status require confirmation from the manufacturer product documentation.

डेटा सत्यापन तिथि: 2026-11-05 — डेटा XAIPART की कंपोनेंट इंजीनियरिंग टीम द्वारा सत्यापित और क्यूरेट किया गया

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संबंधित कंपोनेंट्स और शब्द

Renesas Electronics R5F21194NP#U0 R5F21194NP R8C CPU core R8C/1x/19 series 16-bit microcontroller embedded controller microcontroller semiconductor 20 MHz clock 16 KB flash memory 16K x 8 organization four-channel comparator watchdog timer data flash 28-HWQFN PWQN0028KA-B QFN family surface mount SMD package 3 V to 5 V operating voltage -20 °C to 85 °C operating temperature industrial sensor interface actuator control embedded monitoring Pb-free
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