STM8S105K4U6 STMicroelectronics Integrated Circuit (Quad Flat No-Lead) In Stock

STMicroelectronics STM8S105K4U6, 8bit STM8 Microcontroller, STM8S, 16MHz, 1.024 kB, 16 kB Flash, 32-Pin VFQFPN

ACTIVEIntegrated CircuitVerified May 2026
Package / Visual Reference
STM8S105K4U6Quad Flat No-Lead
Quick Facts
Manufacturer
STMicroelectronics
Package
Quad Flat No-Lead
Pin Count
32
Lifecycle
ACTIVE
Category
Integrated Circuit
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Manufacturer Package CodeVFQFPN
YTEOL6
Has ADCYES
Bit Size8
Boundary ScanNO
CPU FamilySTM8
Clock Frequency-Max16MHz
DAC ChannelsNO
DMA ChannelsNO
FormatFIXED POINT
Integrated CacheNO
JESD-30 CodeS-XQCC-N32
JESD-609 Codee3
Low Power ModeYES
Number of External Interrupts23
Number of I/O Lines25
Number of Serial I/Os1
Number of Timers5
On Chip Data RAM Width8
On Chip Program ROM Width8
PWM ChannelsYES
Package Body MaterialUNSPECIFIED
Package Equivalence CodeLCC32,.2SQ,20
Package ShapeSQUARE
Package StyleCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)260
Qualification StatusNot Qualified
RAM (bytes)2048
RAM (words)1024
ROM (words)16384
ROM ProgrammabilityFLASH
Speed16MHz
Supply Current-Max8mA
Supply Voltage-Max5.5V
Supply Voltage-Min3.3V
Supply Voltage-Nom3.3V
Surface MountYES
TechnologyCMOS
Temperature GradeINDUSTRIAL
Terminal FinishMatte Tin (Sn) - annealed
Terminal FormNO LEAD
Terminal Pitch0.5mm
Terminal PositionQUAD
Time@Peak Reflow Temperature-Max (s)30
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISC
PackageQuad Flat No-Lead

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 3
HTS Code8542.31.00.15

Datasheet

STM8S105K4U6 Datasheet Download

Official datasheet from STMicroelectronics

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for STM8S105K4U6:

Frequently Asked Questions

What is the price of STM8S105K4U6?

STM8S105K4U6 is priced from competitive USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is STM8S105K4U6 in stock?

STM8S105K4U6 is currently available at FindMyChip. We maintain stock from authorized distributors and ship worldwide with typical 3-7 business day lead time.

Where can I buy STM8S105K4U6?

You can buy STM8S105K4U6 from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for STM8S105K4U6 from STMicroelectronics.

What is the datasheet for STM8S105K4U6?

The official STM8S105K4U6 datasheet from STMicroelectronics contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does STM8S105K4U6 come in?

STM8S105K4U6 is available in Quad Flat No-Lead packaging. See the package diagram and pinout above for detailed dimensional information.

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About STMicroelectronics

STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.

AvailabilityIn Stock
Reference Price (USD)
Contact for Price
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pcs

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy