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STM8S105K4U6A The STMicroelectronics STM8S105K4U6A is an 8-bit microcontroller featuring 16KB of Flash program memory and 2KB of RAM. It operates at speeds up to 16MHz.
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STM8S105K4U6A

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics STM8S105K4U6A is an 8-bit microcontroller featuring 16KB of Flash program memory and 2KB of RAM. It operates at speeds up to 16MHz.
✓ Total Stock: 16,256 pcs
$ Price Range: $6.40

STM8S105K4U6A Available from 2 distributors

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14,700 pcs
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1,556 pcs
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STM8S105K4U6A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Supplier Package
Voltage
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STM8S105K4U6A Description

Short technical summary and product information.

The STMicroelectronics STM8S105K4U6A is an 8-bit microcontroller designed for embedded applications. It offers 16KB of Flash program memory and 2KB of RAM, with an additional 1KB of EEPROM for data storage. This device operates at a speed of 16MHz and supports a wide voltage range from 2.95V to 5.5V.

 

Key peripherals include a 7-channel 10-bit Analog-to-Digital converter, I²C, IrDA, LINbus, SPI, and UART/USART communication interfaces. It also features brown-out detection, POR, PWM, and WDT functionalities. The microcontroller is housed in a 32-UFQFPN (5x5) package and is designed for surface mounting.

 

With an operating temperature range of -40°C to 85°C (TA), the STM8S105K4U6A is suitable for various environmental conditions. Its 32-UFQFN exposed pad package ensures reliable mounting and thermal performance.

STM8S105K4U6A Quick Information

Product Type: Microcontroller
Canonical Name: STMicroelectronics STM8S105K4U6A 8-Bit Microcontroller

STM8S105K4U6A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

STM8S105K4U6A Estimated Pricing

Qty Low High
1+ $6.40 $6.40

Estimated market price range - modelled values for guidance only, not live distributor offers.

STM8S105K4U6A Features

  • 16KB Flash program memory.
  • 2KB RAM and 1KB EEPROM.
  • 8-Bit STM8 core at 16MHz.
  • Wide 2.95V to 5.5V operating voltage.
  • Surface Mount 32-UFQFPN package.

STM8S105K4U6A Applications

  • Suitable for embedded control systems.
  • Ideal for applications requiring serial communication.
  • Used in devices with analog input needs.
  • Designed for general-purpose microcontroller tasks.

STM8S105K4U6A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the program memory size of the STM8S105K4U6A?

The program memory size is 16KB (16K x 8).

What type of program memory does the STM8S105K4U6A use?

It uses FLASH program memory.

How much RAM does the STM8S105K4U6A have?

The RAM size is 2K x 8.

What is the operating voltage range for this microcontroller?

The operating voltage is between 2.95V and 5.5V.

What is the operating temperature range?

The operating temperature is -40°C to 85°C (TA).

What package type is the STM8S105K4U6A supplied in?

It is supplied in a 32-UFQFPN (5x5) package.

What mounting type is required for the STM8S105K4U6A?

The mounting type is Surface Mount.

STM8S105K4U6A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
STM8S105K4U6ATR
STM8S105K4U6ATR
STMicroelectronics
The STM8S105K4U6ATR is an 8-bit microcontroller from STMicroelectronics featuring 16KB of FLASH program memory and 2KB of RAM. It operates at speeds up to 16MHz.
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