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Integrated Circuits (ICs)

STM8S903F3U6TR

Mainstream Application specific line 8-bit MCU with 8 Kbytes Flash, 16 MHz CPU, integrated EEPROM

The STMicroelectronics 8-bit MCU is a versatile and efficient microcontroller designed for mainstream applications, featuring an 8 Kbytes Flash memory and a robust 16 MHz CPU. This compact solution, housed in a UFQFPN package, is ideal for a variety of embedded systems requiring reliable performance and low power consumption. With a wide operating temperature range from -40°C to 85°C and multiple communication interfaces, this MCU is perfect for applications in automotive, industrial, and consum

BrandSTMicroelectronics
PackageUFQFPN
Device TypeMicrocontrollers

Full Specifications

Data Bus Width8b
Max Frequency16MHz
Number of I/Os16
InterfaceI2C, IrDA, LIN, SPI, UART, USART
Memory TypeFLASH
Memory Size8kB
Min Supply Voltage2.95V
Max Supply Voltage5.5V
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
Lifecycle StatusProduction
Frequency16MHz
Max Operating Temperature85°C
Min Operating Temperature-40°C
Nominal Supply Current5µA

About This Product

The STMicroelectronics 8-bit MCU is a versatile and efficient microcontroller designed for mainstream applications, featuring an 8 Kbytes Flash memory and a robust 16 MHz CPU. This compact solution, housed in a UFQFPN package, is ideal for a variety of embedded systems requiring reliable performance and low power consumption. With a wide operating temperature range from -40°C to 85°C and multiple communication interfaces, this MCU is perfect for applications in automotive, industrial, and consumer electronics.

What is this product used for?

Suitable for design, repair, and production programs using Microcontrollers devices.

Key Features

  • Case/Package: UFQFPN
  • Number of Pins: 20
  • Interface: I2C, IrDA, LIN, SPI, UART, USART
  • Lifecycle Status: Production
  • Data Bus Width: 8b
  • Max Frequency: 16MHz

Typical Use Cases

Embedded Processors and Controllers Microcontrollers UFQFPN Microcontrollers

Sourcing Support for This MPN

Contact JaronSemi to confirm package, date code, and traceability requirements.

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  • Approved-alternate and cross-reference review when the requested line is constrained
  • Availability, lifecycle, and supply-risk discussion for procurement planning
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RFQ Checklist

Part number Confirm the target MPN or suggest approved alternates
Target Quantity Sample, pilot run, or mass production volume
Project stage Prototype, NPI, or ongoing production
Target price Budget or target price range if available
Mainstream Application specific line 8-bit MCU with 8 Kbytes Flash, 16 MHz CPU, integrated EEPROM

STM8S903F3U6TR

STMicroelectronics

The STMicroelectronics 8-bit MCU is a versatile and efficient microcontroller designed for mainstream applications, featuring an 8 Kbytes Flash memory and a robust 16 MHz CPU. This compact solution, housed in a UFQFPN package, is ideal for a variety of embedded systems requiring reliable performance and low power consumption. With a wide operating temperature range from -40°C to 85°C and multiple communication interfaces, this MCU is perfect for applications in automotive, industrial, and consum

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