STM8S903F3M3TR STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock

16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM, 640 bytes EEPROM,10-bit ADC, 2 timers, UART, SPI, I²C

ACTIVEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
STM8S903F3M3TRSmall Outline Packages
Quick Facts
Manufacturer
STMicroelectronics
Package
Small Outline Packages
Pin Count
20
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $1.2552(MOQ 1000)
Temp Range
-40.0°C to 125.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Factory Lead Time10Weeks
YTEOL9
Has ADCYES
Bit Size8
Boundary ScanYES
Clock Frequency-Max16MHz
DAC ChannelsNO
DMA ChannelsNO
JESD-30 CodeR-PDSO-G20
Number of I/O Lines16
On Chip Program ROM Width32
PWM ChannelsYES
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOP20,.4
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Peak Reflow Temperature (Cel)NOT SPECIFIED
Qualification StatusNot Qualified
RAM (bytes)1024
ROM (words)2048
ROM ProgrammabilityFLASH
Speed16MHz
Supply Current-Max4.75mA
Supply Voltage-Max5.5V
Supply Voltage-Min2.95V
Supply Voltage-Nom3.3V
Surface MountYES
TechnologyCMOS
Temperature GradeAUTOMOTIVE
Terminal FormGULL WING
Terminal Pitch1.27mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
ECCNEAR99
HTS Code8542.31.00.15
Country of OriginMalaysia

Datasheet

STM8S903F3M3TR Datasheet Download

Official datasheet from STMicroelectronics

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for STM8S903F3M3TR:

STM8S903F3M6TRSTMicroelectronics

Microcontroller, 8-Bit, FLASH, 16MHz, CMOS, PDSO20

View Part →
STM8S903F3M3STMicroelectronics

Microcontroller, 8-Bit, FLASH, 16MHz, CMOS, PDSO20

View Part →
STM8S903F3M6STMicroelectronics

Microcontroller, 8-Bit, FLASH, 16MHz, CMOS, PDSO20

View Part →

Frequently Asked Questions

What is the price of STM8S903F3M3TR?

STM8S903F3M3TR is priced from $1.2552 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is STM8S903F3M3TR in stock?

STM8S903F3M3TR 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 STM8S903F3M3TR?

You can buy STM8S903F3M3TR from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for STM8S903F3M3TR from STMicroelectronics.

What is the datasheet for STM8S903F3M3TR?

The official STM8S903F3M3TR 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 STM8S903F3M3TR come in?

STM8S903F3M3TR is available in Small Outline 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
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Competitive Pricing
Factory-direct from China distributors, low MOQ
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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)
From $1.2552
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1000+$1.3000$1300.00
4000+$1.2682$5072.72
8000+$1.2617$10093.68
16000+$1.2552$20083.84
pcs
Unit price: $1.3000 · Total: $1300.00

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