STM8S105K4U3ATR The STM8S105K4U3ATR is an 8-bit microcontroller from STMicroelectronics featuring 16KB of Flash program memory and 2KB of RAM. It operates within a voltage range of 2.95V to 5.5V.
Mfr Part #:

STM8S105K4U3ATR

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STM8S105K4U3ATR is an 8-bit microcontroller from STMicroelectronics featuring 16KB of Flash program memory and 2KB of RAM. It operates within a voltage range of 2.95V to 5.5V.
✓ Total Stock: 1,000 pcs
$ Price Range: $6.40

STM8S105K4U3ATR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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1,000 pcs
1000 pcs On Request 1 On Request On Request On Request On Request On Request

STM8S105K4U3ATR 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

STM8S105K4U3ATR Description

Short technical summary and product information.

This STMicroelectronics STM8S105K4U3ATR is an 8-bit microcontroller designed for embedded applications. It offers 16KB of Flash program memory and 2KB of RAM, with a core speed of 16MHz. The device supports a wide operating voltage range from 2.95V to 5.5V.

 

Key peripherals include Brown-out Detect/Reset, POR, PWM, and WDT. It also features A/D data converters and various connectivity options such as I²C, IrDA, LINbus, SPI, and UART/USART. The internal oscillator type simplifies external component requirements.

 

The microcontroller is housed in a 32-UFQFPN (5x5) package, suitable for surface mount applications. It operates within a temperature range of -40°C to 125°C (TA). The package is a 32-UFQFN with an exposed pad, designed for efficient thermal management.

STM8S105K4U3ATR Quick Information

Product Type: Microcontroller
Canonical Name: STM8S105K4U3ATR 8-Bit Microcontroller
Subcategory: MCU

STM8S105K4U3ATR Compliance

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

STM8S105K4U3ATR Estimated Pricing

Qty Low High
1+ $6.40 $6.40

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

STM8S105K4U3ATR Features

  • 8-Bit STM8A Core Microcontroller
  • 16KB Flash Program Memory
  • 2KB RAM and 1KB EEPROM
  • 16MHz Operating Speed
  • 32-UFQFPN Surface Mount Package

STM8S105K4U3ATR Applications

  • Embedded control systems
  • Industrial automation
  • Consumer electronics
  • IoT devices

STM8S105K4U3ATR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the program memory size of the STM8S105K4U3ATR?

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

What is the operating voltage range for this microcontroller?

The operating voltage range is 2.95V to 5.5V.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C (TA).

What package type is the STM8S105K4U3ATR supplied in?

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

Does this microcontroller support surface mounting?

Yes, the mounting type is Surface Mount.

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