About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

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

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersMC908LK24CPKE
MC908LK24CPKE Image
MC908LK24CPKE Image - 1
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

MC908LK24CPKE - NXP USA Inc.

Manufacturer Part Number
MC908LK24CPKE
Manufacturer
NXP Semiconductors
Allelco Part Number
98D-MC908LK24CPKE
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
14,946 pcs available, New & Original
Parts Description
IC MCU 8BIT 24KB FLASH 80FQFP
Package
80-FQFP (12x12)
Data sheet
MC908LK24CPKE.pdf

PCN Packaging

2.73KHz.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 14946

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

MC908LK24CPKE Tech Specifications
NXP USA Inc. - MC908LK24CPKE technical specifications, attributes, parameters and parts with similar specifications to NXP USA Inc. - MC908LK24CPKE

Product Attribute Attribute Value
Manufacturer NXP Semiconductors
Voltage - Supply (Vcc/Vdd) 3V ~ 5.5V
Supplier Device Package 80-FQFP (12x12)
Speed 8MHz
Series HC08
RAM Size 768 x 8
Program Memory Type FLASH
Program Memory Size 24KB (24K x 8)
Peripherals LCD, LVD, POR, PWM
Package / Case 80-LQFP
Package Tray
Product Attribute Attribute Value
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Number of I/O 40
Mounting Type Surface Mount
EEPROM Size -
Data Converters A/D 6x10b
Core Size 8-Bit
Core Processor HC08
Connectivity I²C, IRSCI, SPI
Base Product Number MC908

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.31.0001

Frequently Asked Questions(FAQ)

What are the key electrical characteristics and operating conditions for the MC908LK24CPKE microcontroller, and how do they influence system design in industrial control applications?
The MC908LK24CPKE operates over a supply voltage range of 3V to 5.5V, which supports compatibility with both 3.3V and 5V logic systems commonly used in industrial environments. With an internal oscillator providing a maximum clock speed of 8MHz, this MCU delivers sufficient processing bandwidth for real-time control tasks such as motor regulation or sensor data acquisition. Its 768-byte RAM size limits multitasking complexity but is adequate for single-loop control algorithms. When designing power-sensitive systems, the wide voltage tolerance allows flexibility in battery-powered or legacy 5V installations without requiring additional voltage regulation stages.
How does the memory architecture of the MC908LK24CPKE compare to other HC08 series microcontrollers when selecting components for embedded firmware development?
Compared to smaller HC08 variants like the MC908GP32, the MC908LK24CPKE offers significantly larger program memory at 24KB FLASH versus 32KB in some models—though note that the LK24 specifically provides exactly 24KB, making it suitable for moderately complex firmware including protocol stacks and user interfaces. Unlike devices with integrated EEPROM, this model relies solely on FLASH memory for code storage, which simplifies write cycles but requires careful handling during firmware updates due to sector erase limitations. This trade-off favors code density over data retention needs.
What peripheral interfaces does the MC908LK24CPKE support, and what design considerations arise when integrating it into communication-heavy systems?
The MC908LK24CPKE includes I²C, IRSCI (Infrared Serial Communication Interface), and SPI peripherals, enabling flexible connectivity with sensors, displays, and wireless modules. The inclusion of IRSCI supports infrared-based remote control protocols common in consumer electronics, while standard I²C and SPI facilitate daisy-chaining multiple slaves efficiently. However, with only one instance each of these serial interfaces available, designers must allocate them carefully—for example, assigning SPI exclusively to high-speed ADC interfacing and reserving I²C for configuration-only devices to avoid bus contention.
What is the impact of the MC908LK24CPKE’s operating temperature range on reliability in automotive or outdoor applications?
Rated for operation from -40°C to +85°C, the MC908LK24CPKE meets industrial-grade thermal requirements and can function reliably in harsh environments such as engine compartments or factory floors. This extended range exceeds commercial-grade (-20°C to +70°C) parts and ensures stable performance even under thermal cycling stress. However, junction temperature calculations should still account for local PCB heating effects; in high-power scenarios, additional thermal management may be necessary despite the device's inherent robustness.
How many general-purpose I/O pins does the MC908LK24CPKE offer, and what constraints exist when mapping application functions to GPIO?
The MC908LK24CPKE provides 40 programmable I/O lines, offering substantial flexibility for interfacing switches, LEDs, relays, and analog sensors. However, certain pins serve dual purposes—for instance, some function as alternate inputs for PWM outputs or ADC channels—limiting independent usage. Designers must consult the pinout diagram to avoid conflicts; for example, if using all six ADC channels, only four of the corresponding ports can be used simultaneously for digital I/O.
Can the MC908LK24CPKE be used in low-power battery-operated devices, and what architectural features affect its energy efficiency?
While the MC908LK24CPKE lacks advanced sleep modes found in modern ultra-low-power MCUs, it does support basic STOP and WAIT modes that reduce current draw to microamp levels during idle periods. Given its 8MHz maximum frequency and lack of dynamic voltage scaling, continuous operation at full speed consumes more power than newer architectures. For battery applications requiring days of runtime, external wake-up circuitry combined with duty-cycled software execution is recommended to offset higher baseline consumption.
How does the package type of the MC908LK24CPKE influence PCB layout decisions compared to through-hole alternatives?
Mounted in an 80-pin FQFP (12x12mm), the MC908LK24CPKE requires careful attention to trace routing density and decoupling capacitor placement near the VDD/VSS pins. The compact surface-mount form factor saves board space but increases susceptibility to noise coupling due to shorter ground return paths. In contrast to DIP packages, reworkability is reduced, so initial soldering accuracy is critical—especially since the fine-pitch leads demand precise alignment during reflow soldering processes.
What are the implications of the MC908LK24CPKE’s internal oscillator accuracy for timing-critical applications such as UART baud rate generation?
The internal oscillator typically has a tolerance of ±2% or worse depending on manufacturing variation and temperature drift, which may exceed the acceptable error budget for high-speed UART communications beyond 9600 bps. For reliable serial communication at higher rates (e.g., 115200 bps), an external crystal or ceramic resonator is strongly advised to maintain sub-0.5% clock stability. This limitation underscores why many production systems using this MCU opt for external timing references despite the convenience of internal clocking.
How does the absence of onboard EEPROM in the MC908LK24CPKE affect non-volatile data storage strategies in field-deployed systems?
Without dedicated EEPROM, the MC908LK24CPKE stores persistent data only in FLASH memory sectors, which endure limited write cycles (~10k–100k per sector). Consequently, frequent logging or parameter tuning would degrade reliability over time. To mitigate this, firmware should implement wear-leveling algorithms or redirect writes to unused FLASH regions. Alternatively, an external FRAM or serial EEPROM chip connected via I²C/SPI can provide unlimited write endurance while adding minimal cost and complexity.
In what scenarios would the MC908LK24CPKE outperform a newer ARM Cortex-M0+ MCU despite its lower processing capability?
For simple automation loops involving discrete I/O, basic PWM generation, and minimal data buffering, the MC908LK24CPKE remains competitive due to its deterministic interrupt response times and proven legacy toolchain support. Projects prioritizing long-term availability, backward compatibility with existing HC08 codebases, or ultra-low BOM cost benefit from choosing this MCU over more powerful but expensive alternatives. Additionally, in regulated industries where certification costs outweigh performance gains, the simplicity of the 8-bit architecture reduces validation effort.
What considerations apply when sourcing the MC908LK24CPKE regarding lead-free compliance and supply chain sustainability?
As a RoHS3-compliant part, the MC908LK24CPKE contains no restricted hazardous substances, aligning with global environmental regulations. Its Moisture Sensitivity Level (MSL) of 3 indicates it can withstand one 168-hour exposure window before bake-out is required, simplifying handling in high-volume assembly lines. Furthermore, being classified as EAR99, it faces minimal export restrictions, facilitating international procurement. These attributes make it suitable for long-lifecycle products requiring compliance documentation and stable sourcing.
How does the integration of LCD controller hardware within the MC908LK24CPKE simplify display-driven user interface designs?
Embedded LCD peripheral support eliminates the need for external drivers when connecting segment or multiplexed LCD displays directly to the MCU. This reduces component count and PCB footprint, particularly beneficial in handheld meters or instrumentation panels. However, LCD operation requires precise timing and dedicated pins, potentially limiting I/O availability elsewhere. Developers must balance display functionality against other peripheral demands during initial system architecture planning.

Parts with Similar Specifications

The three parts on the right have similar specifications to NXP USA Inc. MC908LK24CPKE

Product Attribute MC908LK24CPKER MC908LK24CPKR2 MC908LJ24CPKE MC908LJ24CPKE
Part Number MC908LK24CPKER MC908LK24CPKR2 MC908LJ24CPKE MC908LJ24CPKE
Manufacturer NXP USA Inc. Freescale Semiconductor Freescale Semiconductor NXP USA Inc.
Core Size - - - -
Speed - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Peripherals - - - -
Data Converters - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Core Processor - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
RAM Size - - - -
Oscillator Type - - - -
EEPROM Size - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Connectivity - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Program Memory Size - - - -
Series - - - -
Number of I/O - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Supply (Vcc/Vdd) - - - -
Program Memory Type - - - -

MC908LK24CPKE Datasheet PDF

Download MC908LK24CPKE pdf datasheets and NXP USA Inc. documentation for MC908LK24CPKE - NXP USA Inc..

Datasheets
Cylindrical Battery Holders.pdf
PCN Packaging
2.73KHz.pdf
Environmental Information
NXP USA Inc REACH.pdf NXP USA Inc RoHS Cert.pdf

Customers Also Interested in

Recommended Products

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.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
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.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
Quality Inspection Image - 01
Quality Inspection Image - 02
Quality Inspection Image - 03
Quality Inspection Image - 04

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

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.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
MC908LK24CPKE Image

MC908LK24CPKE

NXP USA Inc.
98D-MC908LK24CPKE

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB