STM8S105K4T6C Microcontroller: Features, Specifications and Applications

UTMEL

Published: 10 June 2025 | Last Updated: 10 June 2025

213

STM8S105K4T6C

STM8S105K4T6C

STMicroelectronics

16KB 16K x 8 FLASH STM8 8-Bit Microcontroller STM8S Series STM8S105 32 Pin 16MHz 5V 32-LQFP

Purchase Guide

16KB 16K x 8 FLASH STM8 8-Bit Microcontroller STM8S Series STM8S105 32 Pin 16MHz 5V 32-LQFP

The STM8S105K4T6C microcontroller offers 32 KB Flash, low-power modes, and robust interfaces like USB and CAN, making it ideal for embedded systems.

Product Introduction

When designing embedded systems, you need a reliable microcontroller that balances performance, versatility, and affordability. The STM8S105K4T6C microcontroller excels in these areas, making it a popular choice for engineers and developers. Its robust architecture and advanced features allow it to handle complex tasks efficiently. You can find detailed specifications in its datasheets, which highlight its ability to support diverse applications. Whether you are working on consumer electronics or industrial automation, this microcontroller offers the perfect combination of power and flexibility.

Key Features and Specifications of STM8S105K4T6C

Architecture and Processing Capabilities

The STM8S105K4T6C microcontroller is built on an advanced STM8 core with a Harvard architecture. This design separates program and data memory, allowing simultaneous access to both. The 3-stage pipeline ensures efficient instruction execution, enabling the microcontroller to operate at a clock frequency of 16 MHz. This speed is sufficient for handling a wide range of embedded applications, from simple control systems to more complex real-time operations.

One standout feature is its 8-bit core, which balances processing power and energy efficiency. The microcontroller also includes a nested interrupt controller with 32 interrupts, ensuring smooth and responsive performance in time-critical tasks. Whether you're designing an industrial control system or a consumer device, this architecture provides the reliability and speed you need.

FeatureSpecification
ArchitectureSTM8 advanced core with Harvard architecture and 3-stage pipeline running at 16 MHz
Core Size8-Bit
Interrupts32 interrupts, nested controller
Clock Sources4 master clock sources

Memory and Storage Details

The STM8S105K4T6C offers robust memory and storage capabilities, making it suitable for a variety of applications. It includes up to 32 Kbytes of Flash program memory, which allows you to store complex firmware and application code. Additionally, it features 2 Kbytes of RAM for data processing and up to 1 Kbyte of EEPROM for non-volatile data storage. This combination ensures that your system can handle both temporary and permanent data efficiently.

The microcontroller's Flash memory is programmable, providing flexibility during development and updates. Its EEPROM durability is rated for 300 write cycles, with data retention guaranteed for 20 years at 55°C after 10 cycles. These specifications highlight its reliability for long-term use in embedded systems.

MetricValue
RAM (bytes)2048
ROM (words)16384
ROM ProgrammabilityFLASH
EEPROM Durability300 cycles
Data Retention20 years at 55°C after 10 cycles

          

Communication Interfaces and Peripheral Support

The STM8S105K4T6C microcontroller excels in communication and peripheral support, making it a versatile choice for embedded systems. It supports multiple communication protocols, including USB, CAN, I2C, and SPI. These interfaces allow seamless integration with sensors, actuators, and other devices, enabling you to build complex systems with ease.

For example, the microcontroller is ideal for industrial control systems, where it can monitor and manage equipment efficiently. In home automation, it connects with sensors and devices to create smart home solutions. Its low power consumption and reliability also make it suitable for portable medical devices and consumer electronics like wearables.

  • USB: Provides connectivity for various applications.

  • CAN: Suitable for industrial and automotive systems.

  • I2C and SPI: Enable communication with multiple peripherals.

This broad range of interfaces ensures that the STM8S105K4T6C can adapt to diverse application requirements, making it a reliable choice for developers.

Operating voltage and temperature range

The STM8S105K4T6C microcontroller is designed to operate reliably across a wide range of environmental conditions. This makes it an excellent choice for embedded systems that need to function in diverse settings. Its operating voltage ranges from 2.95V to 5.5V, giving you flexibility when designing power supply circuits. Whether your system uses batteries or a regulated power source, this microcontroller adapts seamlessly.

Temperature tolerance is another critical factor for embedded systems, especially in industrial or outdoor applications. The STM8S105K4T6C operates within a temperature range of -40°C to +85°C. This ensures stable performance in both freezing and high-heat environments. For example, you can use it in automotive systems exposed to extreme weather or in consumer electronics that require consistent operation indoors.

Tip: When designing your system, ensure that the power supply and cooling mechanisms align with the microcontroller's operating specifications. This will help you maximize its lifespan and performance.

Here’s a quick summary of its operating conditions:

ParameterRange
Operating Voltage2.95V to 5.5V
Operating Temperature-40°C to +85°C

These specifications highlight the microcontroller's durability and adaptability. You can confidently use it in projects that demand reliable performance under challenging conditions. Its robust design also complements its memory features, such as flash and eeprom, which are critical for storing and retrieving data efficiently. This versatility makes it a valuable tool in your development process, whether you're working on industrial automation or IoT devices.

The STM8S105K4T6C's ability to handle varying voltages and temperatures ensures that your embedded systems remain functional and efficient. By incorporating this microcontroller into your designs, you can focus on innovation without worrying about environmental limitations.

Technical Advantages for Embedded Systems

Energy Efficiency with Low-Power Modes

Energy efficiency is a critical factor in embedded systems, especially for battery-powered devices. The STM8S105K4T6C microcontroller offers several low-power modes that help you optimize energy consumption without compromising performance. These modes allow the system to conserve power during idle periods and resume operation quickly when needed.

Here’s a breakdown of the available low-power modes:

Low-Power ModeDescription
Halt modeUses the least power; CPU and peripheral clocks stopped, main voltage regulator powered off.
Active halt mode with regulator onCPU and peripheral clocks stopped; regulator on, faster wakeup time.
Active halt mode with regulator offSimilar to active halt with regulator on, but regulator off, slower wakeup time.
Wait for modeCPU stopped, peripherals running; wakeup via interrupt or reset.

For example, in "Halt mode," the microcontroller consumes minimal power by stopping the CPU and peripheral clocks. This mode is ideal for systems that spend significant time in standby, such as remote sensors or IoT devices. If your application requires faster wakeup times, "Active halt mode with regulator on" provides a balanced solution by keeping the regulator active. These flexible options ensure that your system can adapt to different power requirements, extending battery life and reducing energy costs.

Clock Security System for Stable Operation

Stability is essential for embedded systems, especially in environments where external factors can disrupt operation. The STM8S105K4T6C microcontroller includes a Clock Security System (CSS) that ensures reliable performance by monitoring the clock source. If the primary clock fails, the CSS automatically switches to a backup clock, preventing system downtime.

This feature is particularly useful in industrial automation, where consistent operation is crucial. For instance, if your system controls machinery or monitors critical processes, the CSS ensures that it continues running smoothly even during clock-related issues. By incorporating this safeguard, you can build systems that are both robust and dependable.

Tip: Always test your system's clock configuration during development to ensure compatibility with the CSS. This will help you avoid unexpected behavior in real-world applications.

Interrupt Handling for Real-Time Applications

Real-time applications demand quick and precise responses to external events. The STM8S105K4T6C microcontroller excels in this area with its advanced interrupt handling capabilities. It features a nested interrupt controller that supports up to 32 interrupts, allowing your system to prioritize tasks effectively.

For example, in a home automation system, the microcontroller can handle multiple inputs simultaneously, such as detecting motion while adjusting lighting. The nested interrupt structure ensures that high-priority tasks, like safety alerts, are addressed immediately without delaying lower-priority functions. This level of responsiveness makes the STM8S105K4T6C an excellent choice for systems that require real-time performance.

To further enhance reliability, the microcontroller allows you to configure interrupt priorities. This flexibility ensures that your system operates efficiently, even under heavy workloads. Whether you're designing medical devices or automotive systems, the STM8S105K4T6C provides the tools you need to meet real-time requirements.

Durability and reliability in challenging environments

When designing embedded systems for harsh environments, you need a microcontroller that can withstand extreme conditions without compromising performance. The STM8S105K4T6C microcontroller excels in durability and reliability, making it a dependable choice for challenging applications.

Built to Handle Extreme Temperatures

The STM8S105K4T6C operates within a wide temperature range of -40°C to +85°C. This capability ensures stable performance in both freezing and high-heat environments. Whether you're developing systems for outdoor equipment or industrial machinery, this microcontroller adapts to temperature fluctuations effortlessly.

Tip: For applications in extreme climates, pair the STM8S105K4T6C with components rated for similar temperature ranges to ensure consistent system performance.

Robust Voltage Tolerance

This microcontroller supports an operating voltage range of 2.95V to 5.5V. It handles fluctuations in power supply effectively, reducing the risk of system failure. This feature is particularly useful in environments where power sources may be unstable, such as remote installations or battery-powered devices.

FeatureSpecification
Operating Temperature-40°C to +85°C
Operating Voltage Range2.95V to 5.5V

Resistance to Electrical Noise

In industrial settings, electrical noise from machinery can disrupt system operations. The STM8S105K4T6C includes built-in noise immunity features, ensuring reliable performance even in electrically noisy environments. This makes it ideal for factory automation, motor control, and other high-interference applications.

Long-Term Reliability

The STM8S105K4T6C is designed for long-term use. Its EEPROM retains data for up to 20 years, even after multiple write cycles. This durability ensures that your system remains functional and reliable over time, reducing maintenance costs and downtime.

Note: Regular testing and monitoring of your system can further enhance its reliability, especially in critical applications.

Applications in Harsh Environments

You can use the STM8S105K4T6C in a variety of challenging environments, including:

  • Automotive Systems: Withstand temperature extremes and electrical noise in vehicles.

  • Industrial Automation: Operate reliably in factories with high levels of interference.

  • Outdoor Equipment: Perform consistently in fluctuating weather conditions.

By choosing the STM8S105K4T6C, you ensure that your embedded systems can handle the toughest conditions. Its durability and reliability allow you to focus on innovation without worrying about environmental challenges.

Applications of STM8S105K4T6C Microcontroller   

Consumer Electronics and IoT Devices

The STM8S105K4T6C microcontroller plays a vital role in modern consumer electronics and IoT devices. Its low power consumption and versatile features make it ideal for applications requiring efficiency and reliability. You can find this microcontroller in devices like smart thermostats and lighting systems, where it enables seamless integration and control. It also powers wearables such as smartwatches and fitness trackers, enhancing functionality while conserving battery life.

In home automation, the microcontroller supports smart home devices by connecting sensors and actuators. For example, it helps manage temperature regulation in smart thermostats or automate lighting based on motion detection. Its adaptability extends to portable medical devices, ensuring precise control and monitoring. Whether you're designing a consumer gadget or an IoT solution, this microcontroller provides the performance and flexibility you need.

Industrial Automation and Control Systems

The STM8S105K4T6C excels in industrial automation, where reliability and precision are critical. It is commonly used in timer boards to control multiple relays, demonstrating its ability to manage complex systems. For instance, the XH-M194 timer board features this microcontroller, offering six relays, a real-time clock (RTC), and a clock display. These capabilities make it a valuable component in managing industrial processes.

Thermostat control systems also benefit from this microcontroller's adaptability. It ensures accurate temperature management, which is essential in manufacturing and other industrial settings. By incorporating this microcontroller, you can build systems that operate efficiently and withstand the demands of industrial environments.

Automotive Systems

The STM8S105K4T6C microcontroller is a trusted choice for automotive applications. Its compact size, low power consumption, and extensive peripheral support make it well-suited for vehicles. You can use it in systems like engine control units, dashboard displays, or sensor modules. These features reduce system costs and enable faster development cycles, which are crucial in the automotive industry.

This microcontroller's performance resilience ensures reliable operation in challenging conditions, such as fluctuating temperatures or electrical noise. Its adoption in automotive systems highlights its ability to meet the rigorous demands of this sector. Whether you're developing safety systems or infotainment solutions, this microcontroller offers the tools to succeed.

Medical instrumentation

Medical devices require precision, reliability, and efficiency. The STM8S105K4T6C microcontroller meets these demands, making it an excellent choice for medical instrumentation. Its low power consumption ensures that battery-powered devices, such as portable monitors, operate for extended periods without frequent recharging. This feature is crucial for devices used in remote or emergency settings.

The microcontroller’s robust performance supports precise control, which is essential in medical applications. For example, it can manage infusion pumps, ensuring accurate delivery of medication. Its ability to handle multiple sensors and peripherals enhances its versatility. You can use it in devices like patient monitoring systems, where it processes data from heart rate, blood pressure, and oxygen level sensors simultaneously.

Tip: When designing medical devices, prioritize components like the STM8S105K4T6C that offer both reliability and energy efficiency. This approach ensures better performance and longer device lifespan.

Here are some key reasons why this microcontroller excels in medical instrumentation:

  • Low Power Consumption: Ideal for portable and battery-operated devices.

  • Precise Control: Ensures accuracy in critical applications like infusion pumps.

  • Sensor Compatibility: Handles various sensors for comprehensive monitoring.

The STM8S105K4T6C also supports communication protocols like I2C and SPI, enabling seamless integration with other components. This capability simplifies the design of complex systems, such as diagnostic equipment or wearable health monitors. Its reliability and adaptability make it a trusted choice for developers working on innovative medical solutions.

By incorporating the STM8S105K4T6C into your designs, you can create medical devices that are efficient, accurate, and dependable. This microcontroller empowers you to meet the high standards required in healthcare technology.

Comparing STM8S105K4T6C with Other Microcontrollers

Unique Features within the STM8 Family

The STM8S105K4T6C stands out within the STM8 family due to its balance of performance and simplicity. While other STM8 microcontrollers may offer advanced features, this model focuses on delivering reliable functionality at an affordable price. For example, when compared to the STM8S207S8T6C, the STM8S105K4T6C provides a more compact and cost-effective solution for basic embedded systems.

FeatureSTM8S105K4T6CSTM8S207S8T6C
Memory Size8 KB16 KB
Clock Frequency16 MHz24 MHz
Pin Count2032
Peripheral CapabilitiesBasicAdvanced

This comparison highlights the STM8S105K4T6C's suitability for simpler applications where high performance or additional peripherals are unnecessary. Its smaller memory size and lower pin count make it ideal for compact designs, such as IoT devices or small-scale automation systems.

Performance Comparison with Competitors

When compared to other microcontrollers in the same category, the STM8S105K4T6C offers a competitive edge in energy efficiency and reliability. For instance, many 8-bit microcontrollers from other brands lack the advanced low-power modes available in this model. These modes allow you to optimize energy consumption, making it a better choice for battery-powered devices.

Additionally, the STM8S105K4T6C's Clock Security System ensures stable operation, even in environments prone to clock failures. Competing microcontrollers often lack this feature, which can lead to system instability. This makes the STM8S105K4T6C a dependable option for critical applications like industrial automation or medical devices.

Cost-to-Performance Analysis

The STM8S105K4T6C delivers excellent value for its price. Its combination of features, including low-power modes, robust memory, and versatile communication interfaces, ensures that you get the most out of your investment. While some competitors may offer higher clock speeds or more memory, they often come at a significantly higher cost.

For developers working on budget-sensitive projects, this microcontroller provides a perfect balance between cost and performance. Whether you're designing consumer electronics or industrial systems, the STM8S105K4T6C allows you to achieve your goals without exceeding your budget. Its affordability, combined with its reliability, makes it a smart choice for a wide range of applications.

Tip: Consider the specific requirements of your project when evaluating microcontrollers. The STM8S105K4T6C excels in scenarios where cost-efficiency and reliability are top priorities.


The STM8S105K4T6C microcontroller offers a powerful combination of features, including energy efficiency, robust memory, and versatile communication interfaces. Its ability to perform reliably in challenging environments makes it an excellent choice for embedded systems. Whether you are developing IoT devices, industrial automation, or medical instruments, this microcontroller adapts to your needs with ease.

To learn more about its capabilities, explore the datasheet. It provides detailed technical insights to help you make informed decisions. Consider this microcontroller for your next project and experience its unmatched reliability and performance.

FAQ

What makes the STM8S105K4T6C microcontroller energy efficient?

The STM8S105K4T6C offers multiple low-power modes, such as Halt and Active Halt. These modes reduce energy consumption during idle periods. You can optimize power usage by selecting the mode that best fits your application, making it ideal for battery-powered devices like IoT sensors or portable medical instruments.


Can the STM8S105K4T6C handle extreme environmental conditions?

Yes, it operates reliably between -40°C and +85°C and supports voltages from 2.95V to 5.5V. Its durability makes it suitable for automotive systems, industrial automation, and outdoor equipment. Pair it with components rated for similar conditions to ensure consistent performance in harsh environments.


How does the Clock Security System (CSS) improve reliability?

The CSS monitors the primary clock source and switches to a backup clock if it detects a failure. This feature ensures uninterrupted operation, especially in critical applications like industrial control systems or medical devices, where stability is essential.


What communication protocols does the STM8S105K4T6C support?

The microcontroller supports USB, CAN, I2C, and SPI protocols. These interfaces allow you to connect it with sensors, actuators, and other peripherals. This versatility makes it suitable for applications like smart home devices, industrial machinery, and automotive systems.


Is the STM8S105K4T6C cost-effective for small projects?

Absolutely! Its balance of features and affordability makes it a great choice for budget-sensitive projects. Whether you're designing a simple IoT device or a small-scale automation system, this microcontroller delivers reliable performance without exceeding your budget.

Tip: Review your project requirements to ensure this microcontroller meets your needs before committing.

Specifications

STMicroelectronics STM8S105K4T6C technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics STM8S105K4T6C.
  • Type
    Parameter
  • Lifecycle Status

    Lifecycle Status refers to the current stage of an electronic component in its product life cycle, indicating whether it is active, obsolete, or transitioning between these states. An active status means the component is in production and available for purchase. An obsolete status indicates that the component is no longer being manufactured or supported, and manufacturers typically provide a limited time frame for support. Understanding the lifecycle status is crucial for design engineers to ensure continuity and reliability in their projects.

    ACTIVE (Last Updated: 6 months ago)
  • Factory Lead Time
    8 Weeks
  • Mount

    In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.

    Surface Mount
  • Mounting Type

    The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

    Surface Mount
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    32-LQFP
  • Number of Pins
    32
  • Data Converters
    A/D 7x10b
  • Number of I/Os
    25
  • Watchdog Timers
    Yes
  • Operating Temperature

    The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

    -40°C~85°C TA
  • Packaging

    Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

    Tray
  • Series

    In electronic components, the "Series" refers to a group of products that share similar characteristics, designs, or functionalities, often produced by the same manufacturer. These components within a series typically have common specifications but may vary in terms of voltage, power, or packaging to meet different application needs. The series name helps identify and differentiate between various product lines within a manufacturer's catalog.

    STM8S
  • JESD-609 Code

    The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.

    e4
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Active
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    3 (168 Hours)
  • Number of Terminations
    32
  • Termination

    Termination in electronic components refers to the practice of matching the impedance of a circuit to prevent signal reflections and ensure maximum power transfer. It involves the use of resistors or other components at the end of transmission lines or connections. Proper termination is crucial in high-frequency applications to maintain signal integrity and reduce noise.

    SMD/SMT
  • ECCN Code

    An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.

    EAR99
  • Terminal Finish

    Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.

    Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)
  • Max Power Dissipation

    The maximum power that the MOSFET can dissipate continuously under the specified thermal conditions.

    360mW
  • Terminal Position

    In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.

    QUAD
  • Terminal Form

    Occurring at or forming the end of a series, succession, or the like; closing; concluding.

    GULL WING
  • Supply Voltage

    Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.

    5V
  • Frequency

    In electronic components, the parameter "Frequency" refers to the rate at which a signal oscillates or cycles within a given period of time. It is typically measured in Hertz (Hz) and represents how many times a signal completes a full cycle in one second. Frequency is a crucial aspect in electronic components as it determines the behavior and performance of various devices such as oscillators, filters, and communication systems. Understanding the frequency characteristics of components is essential for designing and analyzing electronic circuits to ensure proper functionality and compatibility with other components in a system.

    16MHz
  • Base Part Number

    The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.

    STM8S105
  • Pin Count

    a count of all of the component leads (or pins)

    32
  • Supply Voltage-Max (Vsup)

    The parameter "Supply Voltage-Max (Vsup)" in electronic components refers to the maximum voltage that can be safely applied to the component without causing damage. It is an important specification to consider when designing or using electronic circuits to ensure the component operates within its safe operating limits. Exceeding the maximum supply voltage can lead to overheating, component failure, or even permanent damage. It is crucial to adhere to the specified maximum supply voltage to ensure the reliable and safe operation of the electronic component.

    5.5V
  • Supply Voltage-Min (Vsup)

    The parameter "Supply Voltage-Min (Vsup)" in electronic components refers to the minimum voltage level required for the component to operate within its specified performance range. This parameter indicates the lowest voltage that can be safely applied to the component without risking damage or malfunction. It is crucial to ensure that the supply voltage provided to the component meets or exceeds this minimum value to ensure proper functionality and reliability. Failure to adhere to the specified minimum supply voltage may result in erratic behavior, reduced performance, or even permanent damage to the component.

    2.95V
  • Interface

    In electronic components, the term "Interface" refers to the point at which two different systems, devices, or components connect and interact with each other. It can involve physical connections such as ports, connectors, or cables, as well as communication protocols and standards that facilitate the exchange of data or signals between the connected entities. The interface serves as a bridge that enables seamless communication and interoperability between different parts of a system or between different systems altogether. Designing a reliable and efficient interface is crucial in ensuring proper functionality and performance of electronic components and systems.

    I2C, IrDA, LIN, SPI, UART, USART
  • Memory Size

    The memory capacity is the amount of data a device can store at any given time in its memory.

    16kB
  • Oscillator Type

    Wien Bridge Oscillator; RC Phase Shift Oscillator; Hartley Oscillator; Voltage Controlled Oscillator; Colpitts Oscillator; Clapp Oscillators; Crystal Oscillators; Armstrong Oscillator.

    Internal
  • RAM Size

    RAM size refers to the amount of random access memory (RAM) available in an electronic component, such as a computer or smartphone. RAM is a type of volatile memory that stores data and instructions that are actively being used by the device's processor. The RAM size is typically measured in gigabytes (GB) and determines how much data the device can store and access quickly for processing. A larger RAM size allows for smoother multitasking, faster loading times, and better overall performance of the electronic component. It is an important factor to consider when choosing a device, especially for tasks that require a lot of memory, such as gaming, video editing, or running multiple applications simultaneously.

    2K x 8
  • Voltage - Supply (Vcc/Vdd)

    Voltage - Supply (Vcc/Vdd) is a key parameter in electronic components that specifies the voltage level required for the proper operation of the device. It represents the power supply voltage that needs to be provided to the component for it to function correctly. This parameter is crucial as supplying the component with the correct voltage ensures that it operates within its specified limits and performance characteristics. It is typically expressed in volts (V) and is an essential consideration when designing and using electronic circuits to prevent damage and ensure reliable operation.

    2.95V~5.5V
  • uPs/uCs/Peripheral ICs Type

    The parameter "uPs/uCs/Peripheral ICs Type" refers to the classification of various integrated circuits used in electronic devices. It encompasses microprocessors (uPs), microcontrollers (uCs), and peripheral integrated circuits that provide additional functionalities. This classification helps in identifying the specific type of chip used for processing tasks, controlling hardware, or interfacing with other components in a system. Understanding this parameter is essential for selecting the appropriate electronic components for a given application.

    MICROCONTROLLER
  • Core Processor

    The term "Core Processor" typically refers to the central processing unit (CPU) of a computer or electronic device. It is the primary component responsible for executing instructions, performing calculations, and managing data within the system. The core processor is often considered the brain of the device, as it controls the overall operation and functionality. It is crucial for determining the speed and performance capabilities of the device, as well as its ability to handle various tasks and applications efficiently. In modern devices, core processors can have multiple cores, allowing for parallel processing and improved multitasking capabilities.

    STM8
  • Peripherals

    In the context of electronic components, "Peripherals" refer to devices or components that are connected to a main system or device to enhance its functionality or provide additional features. These peripherals can include input devices such as keyboards, mice, and touchscreens, as well as output devices like monitors, printers, and speakers. Other examples of peripherals include external storage devices, network adapters, and cameras. Essentially, peripherals are external devices that expand the capabilities of a main electronic system or device.

    Brown-out Detect/Reset, POR, PWM, WDT
  • Program Memory Type

    Program memory typically refers to flash memory when it is used to hold the program (instructions). Program memory may also refer to a hard drive or solid state drive (SSD). Contrast with data memory.

    FLASH
  • Core Size

    Core size in electronic components refers to the physical dimensions of the core material used in devices such as inductors and transformers. The core size directly impacts the performance characteristics of the component, including its inductance, saturation current, and frequency response. A larger core size typically allows for higher power handling capabilities and lower core losses, while a smaller core size may result in a more compact design but with limitations on power handling and efficiency. Designers must carefully select the core size based on the specific requirements of the application to achieve optimal performance and efficiency.

    8-Bit
  • Program Memory Size

    Program Memory Size refers to the amount of memory available in an electronic component, such as a microcontroller or microprocessor, that is used to store program instructions. This memory is non-volatile, meaning that the data stored in it is retained even when the power is turned off. The program memory size determines the maximum amount of code that can be stored and executed by the electronic component. It is an important parameter to consider when selecting a component for a specific application, as insufficient program memory size may limit the functionality or performance of the device.

    16KB 16K x 8
  • Connectivity

    In electronic components, "Connectivity" refers to the ability of a component to establish and maintain connections with other components or devices within a circuit. It is a crucial parameter that determines how easily signals can be transmitted between different parts of a circuit. Connectivity can be influenced by factors such as the number of input and output ports, the type of connectors used, and the overall design of the component. Components with good connectivity are essential for ensuring reliable and efficient operation of electronic systems.

    I2C, IrDA, LINbus, SPI, UART/USART
  • Bit Size

    In electronic components, "Bit Size" refers to the number of bits that can be processed or stored by a particular component. A bit is the smallest unit of data in computing and can have a value of either 0 or 1. The Bit Size parameter is commonly used to describe the capacity or performance of components such as microprocessors, memory modules, and data buses. A larger Bit Size generally indicates a higher processing capability or storage capacity, allowing for more complex operations and larger amounts of data to be handled efficiently. It is an important specification to consider when selecting electronic components for specific applications that require certain levels of performance and data processing capabilities.

    8
  • Has ADC

    Has ADC refers to the presence of an Analog-to-Digital Converter (ADC) in an electronic component. An ADC is a crucial component in many electronic devices as it converts analog signals, such as voltage or current, into digital data that can be processed by a digital system. Having an ADC allows the electronic component to interface with analog signals and convert them into a format that can be manipulated and analyzed digitally. This parameter is important for applications where analog signals need to be converted into digital form for further processing or control.

    YES
  • DMA Channels

    DMA (Direct Memory Access) Channels are a feature found in electronic components such as microcontrollers, microprocessors, and peripheral devices. DMA Channels allow data to be transferred directly between peripherals and memory without involving the CPU, thereby reducing the burden on the CPU and improving overall system performance. Each DMA Channel is typically assigned to a specific peripheral device or memory region, enabling efficient data transfer operations. The number of DMA Channels available in a system determines the concurrent data transfer capabilities and can vary depending on the specific hardware design. Overall, DMA Channels play a crucial role in optimizing data transfer efficiency and system performance in electronic devices.

    NO
  • Data Bus Width

    The data bus width in electronic components refers to the number of bits that can be transferred simultaneously between the processor and memory. It determines the amount of data that can be processed and transferred in a single operation. A wider data bus allows for faster data transfer speeds and improved overall performance of the electronic device. Common data bus widths include 8-bit, 16-bit, 32-bit, and 64-bit, with higher numbers indicating a larger capacity for data transfer. The data bus width is an important specification to consider when evaluating the speed and efficiency of a computer system or other electronic device.

    8b
  • Number of Timers/Counters
    8
  • Density

    In electronic components, "Density" refers to the mass or weight of a material per unit volume. It is a physical property that indicates how tightly packed the atoms or molecules are within the material. The density of a component can affect its performance and characteristics, such as its strength, thermal conductivity, and electrical properties. Understanding the density of electronic components is important for designing and manufacturing processes to ensure optimal performance and reliability.

    128 kb
  • EEPROM Size

    EEPROM Size refers to the amount of memory capacity available in an Electrically Erasable Programmable Read-Only Memory (EEPROM) chip. This parameter indicates the total storage space in bytes or bits that can be used to store data in a non-volatile manner. The EEPROM size determines the maximum amount of information that can be written, read, and erased from the memory chip. It is an important specification to consider when selecting an EEPROM for a particular application, as it directly impacts the amount of data that can be stored and accessed by the electronic component.

    1K x 8
  • Boundary Scan

    Boundary scan is a testing technique used in electronic components to verify the interconnections between integrated circuits on a printed circuit board. It allows for the testing of digital circuits by providing a way to shift data in and out of devices through a serial interface. This method helps in identifying faults such as short circuits, open circuits, and incorrect connections without the need for physical access to the individual components. Boundary scan is commonly used during manufacturing, testing, and debugging processes to ensure the quality and reliability of electronic products.

    NO
  • Low Power Mode

    Low Power Mode is a feature found in electronic components, such as microcontrollers, processors, and devices, that allows them to operate at reduced power consumption levels. When activated, the component typically reduces its clock speed, voltage, or disables certain functions to conserve energy. This mode is often used to extend battery life in portable devices or reduce overall power consumption in energy-efficient systems. Low Power Mode can be triggered automatically based on certain conditions, such as low battery levels, or manually by the user or software. It is a crucial feature in modern electronics to balance performance with energy efficiency.

    YES
  • Format

    In electronic components, the parameter "Format" typically refers to the physical size, shape, and configuration of the component. It describes the overall dimensions and layout of the component, including factors such as package type, lead spacing, and mounting options. The format of an electronic component is important for determining how it can be installed, connected, and integrated into a circuit or system. Different formats are designed to meet specific requirements for space constraints, heat dissipation, electrical performance, and compatibility with other components. Manufacturers often provide detailed specifications for the format of their components to ensure proper selection and usage in electronic designs.

    FIXED-POINT
  • RAM (words)

    RAM (words) is a parameter used to describe the memory capacity of a random access memory (RAM) module in terms of the number of words it can store. In the context of electronic components, a word typically refers to the amount of data that can be processed or stored by the RAM module in a single operation. The RAM (words) specification indicates the total number of words that can be stored in the RAM module, with each word typically consisting of a fixed number of bits. This parameter is important for determining the overall memory capacity and performance of the RAM module in electronic devices.

    2000
  • Number of ADC Channels
    7
  • Number of External Interrupts
    23
  • Number of PWM Channels
    3
  • Number of I2C Channels
    1
  • Height
    1.45mm
  • Length
    7.2mm
  • Width
    7.2mm
  • REACH SVHC

    The parameter "REACH SVHC" in electronic components refers to the compliance with the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation regarding Substances of Very High Concern (SVHC). SVHCs are substances that may have serious effects on human health or the environment, and their use is regulated under REACH to ensure their safe handling and minimize their impact.Manufacturers of electronic components need to declare if their products contain any SVHCs above a certain threshold concentration and provide information on the safe use of these substances. This information allows customers to make informed decisions about the potential risks associated with using the components and take appropriate measures to mitigate any hazards.Ensuring compliance with REACH SVHC requirements is essential for electronics manufacturers to meet regulatory standards, protect human health and the environment, and maintain transparency in their supply chain. It also demonstrates a commitment to sustainability and responsible manufacturing practices in the electronics industry.

    No SVHC
  • Radiation Hardening

    Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation, especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.

    No
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    ROHS3 Compliant
  • Lead Free

    Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.

    Lead Free
0 Similar Products Remaining

Parts with Similar Specs

The three parts on the right have similar specifications to STMicroelectronics & STM8S105K4T6C.
STM8S105K4T6C

STMicroelectronics

In Stock: 51050

United States

China

Canada

Japan

Russia

Germany

United Kingdom

Singapore

Italy

Hong Kong(China)

Taiwan(China)

France

Korea

Mexico

Netherlands

Malaysia

Austria

Spain

Switzerland

Poland

Thailand

Vietnam

India

United Arab Emirates

Afghanistan

Åland Islands

Albania

Algeria

American Samoa

Andorra

Angola

Anguilla

Antigua & Barbuda

Argentina

Armenia

Aruba

Australia

Azerbaijan

Bahamas

Bahrain

Bangladesh

Barbados

Belarus

Belgium

Belize

Benin

Bermuda

Bhutan

Bolivia

Bonaire, Sint Eustatius and Saba

Bosnia & Herzegovina

Botswana

Brazil

British Indian Ocean Territory

British Virgin Islands

Brunei

Bulgaria

Burkina Faso

Burundi

Cabo Verde

Cambodia

Cameroon

Cayman Islands

Central African Republic

Chad

Chile

Christmas Island

Cocos (Keeling) Islands

Colombia

Comoros

Congo

Congo (DRC)

Cook Islands

Costa Rica

Côte d’Ivoire

Croatia

Cuba

Curaçao

Cyprus

Czechia

Denmark

Djibouti

Dominica

Dominican Republic

Ecuador

Egypt

El Salvador

Equatorial Guinea

Eritrea

Estonia

Eswatini

Ethiopia

Falkland Islands

Faroe Islands

Fiji

Finland

French Guiana

French Polynesia

Gabon

Gambia

Georgia

Ghana

Gibraltar

Greece

Greenland

Grenada

Guadeloupe

Guam

Guatemala

Guernsey

Guinea

Guinea-Bissau

Guyana

Haiti

Honduras

Hungary

Iceland

Indonesia

Iran

Iraq

Ireland

Isle of Man

Israel

Jamaica

Jersey

Jordan

Kazakhstan

Kenya

Kiribati

Kosovo

Kuwait

Kyrgyzstan

Laos

Latvia

Lebanon

Lesotho

Liberia

Libya

Liechtenstein

Lithuania

Luxembourg

Macao(China)

Madagascar

Malawi

Maldives

Mali

Malta

Marshall Islands

Martinique

Mauritania

Mauritius

Mayotte

Micronesia

Moldova

Monaco

Mongolia

Montenegro

Montserrat

Morocco

Mozambique

Myanmar

Namibia

Nauru

Nepal

New Caledonia

New Zealand

Nicaragua

Niger

Nigeria

Niue

Norfolk Island

North Korea

North Macedonia

Northern Mariana Islands

Norway

Oman

Pakistan

Palau

Palestinian Authority

Panama

Papua New Guinea

Paraguay

Peru

Philippines

Pitcairn Islands

Portugal

Puerto Rico

Qatar

Réunion

Romania

Rwanda

Samoa

San Marino

São Tomé & Príncipe

Saudi Arabia

Senegal

Serbia

Seychelles

Sierra Leone

Sint Maarten

Slovakia

Slovenia

Solomon Islands

Somalia

South Africa

South Sudan

Sri Lanka

St Helena, Ascension, Tristan da Cunha

St. Barthélemy

St. Kitts & Nevis

St. Lucia

St. Martin

St. Pierre & Miquelon

St. Vincent & Grenadines

Sudan

Suriname

Svalbard & Jan Mayen

Sweden

Syria

Tajikistan

Tanzania

Timor-Leste

Togo

Tokelau

Tonga

Trinidad & Tobago

Tunisia

Turkey

Turkmenistan

Turks & Caicos Islands

Tuvalu

U.S. Outlying Islands

U.S. Virgin Islands

Uganda

Ukraine

Uruguay

Uzbekistan

Vanuatu

Vatican City

Venezuela

Wallis & Futuna

Yemen

Zambia

Zimbabwe

Related Parts More