STM8S105S4T6CTR STMicroelectronics Integrated Circuit (Quad Flat Packages) In Stock

Access line, 16 MHz STM8S 8-bit MCU, up to 32 Kbyte Flash, integrated EEPROM, 10-bit ADC, timers, UART, SPI, I²C

ACTIVEIntegrated CircuitVerified May 2026
Package / Visual Reference
STM8S105S4T6CTRQuad Flat Packages
Quick Facts
Manufacturer
STMicroelectronics
Package
Quad Flat Packages
Pin Count
44
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $1.3731(MOQ 100)
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

YTEOL9
Has ADCYES
Bit Size8
Boundary ScanNO
CPU FamilySTM8
Clock Frequency-Max16MHz
DAC ChannelsNO
DMA ChannelsNO
FormatFIXED POINT
Integrated CacheNO
JESD-30 CodeS-PQFP-G44
JESD-609 Codee3
Low Power ModeYES
Number of External Interrupts31
Number of I/O Lines34
Number of Serial I/Os1
Number of Timers5
On Chip Data RAM Width8
On Chip Program ROM Width8
PWM ChannelsYES
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeQFP44,.47SQ,32
Package ShapeSQUARE
Package StyleFLATPACK, LOW 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 FormGULL WING
Terminal Pitch0.8mm
Terminal PositionQUAD
Time@Peak Reflow Temperature-Max (s)30
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISC
PackageQuad Flat Packages

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 3
ECCNEAR99
HTS Code8542.31.00.15
Country of OriginMalaysia

Datasheet

STM8S105S4T6CTR Datasheet Download

Official datasheet from STMicroelectronics

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for STM8S105S4T6CTR:

STM8S105S6T6CTRSTMicroelectronics

RISC Microcontroller, 8-Bit, FLASH, STM8 CPU, 16MHz, CMOS, PQFP44

View Part →
STM8S105S6T6CSTMicroelectronics

RISC Microcontroller, 8-Bit, FLASH, STM8 CPU, 16MHz, CMOS, PQFP44

View Part →

Frequently Asked Questions

What is the price of STM8S105S4T6CTR?

STM8S105S4T6CTR is priced from $1.3731 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is STM8S105S4T6CTR in stock?

STM8S105S4T6CTR is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.

Where can I buy STM8S105S4T6CTR?

You can buy STM8S105S4T6CTR from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for STM8S105S4T6CTR from STMicroelectronics.

What is the datasheet for STM8S105S4T6CTR?

The official STM8S105S4T6CTR 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 STM8S105S4T6CTR come in?

STM8S105S4T6CTR is available in Quad Flat Packages packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
$
Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

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)
From $1.3731
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
100+$1.6700$167.00
250+$1.5786$394.64
500+$1.5280$764.01
1000+$1.3800$1380.00
7000+$1.3731$9611.70
pcs
Unit price: $1.6700 · Total: $167.00

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