Part No :

STM8S903K3U3

Manufacturer
STMicroelectronics
VIGOR # :

3642142

Description
IC MCU 8BIT 8KB FLASH 32UFQFPN
Catalog
Embedded - Microcontrollers
DataSheet
STM8S903K3U3 PDF
Country of origin
-
Date code
-
ads
Type Description
Series:STM8S
Package:Tray
Part Status:Active
Core Processor:STM8
Core Size:8-Bit
Speed:16MHz
Connectivity:I²C, IrDA, LINbus, SPI, UART/USART
Peripherals:Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:28
Program Memory Size:8KB (8K x 8)
Program Memory Type:FLASH
EEPROM Size:640 x 8
RAM Size:1K x 8
Voltage - Supply (Vcc/Vdd):2.95V ~ 5.5V
Data Converters:A/D 7x10b
Oscillator Type:Internal
Operating Temperature:-40°C ~ 125°C (TA)
Mounting Type:Surface Mount
Package / Case:32-UFQFN Exposed Pad
Supplier Device Package:32-UFQFPN (5x5)
  • Please confirm the specifications of the products when ordering.
  • MOQ means the minimum order quantity required to purchase each parts.
  • If you have special order instructions,please note it on the ordering pages.
  • The Pre-Shipment Inspection (PSI) will be applied.
  • You can email us to change the order details before shipment.
  • Orders cannot be canceled after shipping the packages.
  • TT in advance (bank transfer), Credit Card, PayPal can be chosen.
  • Cash transfer only. (Transfer with checks and bills are not accepted.)
  • Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
  • If you need the detailed invoice or tax ID,please email us.
  • FedEx, DHL, and UPS can be selected.
  • You can select whether to charge shipping fee by your shipping account or to charge by our side.
  • Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
  • The shopping cart will automatically calculate the shipping cost.
  • Delivery time: At the same day (Order deadline is 2pm, HK Time).
  • Delivery date: usually 2 to 7 working days.
  • It is unable to appoint a date of delivery.
  • Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)
Shipped from
HK warehouse
Expected Shipping Date
Jan 18 - Jan 22 2026
Pricing(USD)
Quantity Unit Price Ext. Price
1 $1.90 $1.90
10 $1.71 $17.13
490 $1.32 $647.37
980 $1.17 $1 146.95
1470 $0.99 $1 454.39

Current price of STM8S903K3U3 is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

PIC16LF18425T-I/ST

PIC16LF18425T-I/ST

IC MCU 8BIT 14KB FLASH 14TSSOP

SPC5643LK0MLQ8

SPC5643LK0MLQ8

IC MCU 32BIT 1MB FLASH 144LQFP

MC9S08PT60AVLF

MC9S08PT60AVLF

IC MCU 8BIT 60KB FLASH 48LQFP

SPC56EL60L3CBFQR

SPC56EL60L3CBFQR

IC MCU 32BIT 1MB FLASH 100LQFP

STM8S903K3U3

STM8S903K3U3

IC MCU 8BIT 8KB FLASH 32UFQFPN

Z86E144PZ016SC

Z86E144PZ016SC

8-BIT, OTPROM, Z8 CPU, 16MHZ

CS4202-JQZ

CS4202-JQZ

IC AUDIO CODEC 97 48TQFP

Top