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Integrated Circuits (ICs)

STM8S903F3M3TR

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

The STMicroelectronics Mainstream Application Specific 8-bit MCU is a versatile microcontroller designed for a wide range of applications requiring efficient processing and reliable performance. With an 8 Kbytes Flash memory and a 16 MHz CPU, this microcontroller is ideal for embedded systems that demand low power consumption and high operational reliability. Its compact 20-pin SO package makes it suitable for space-constrained designs, while its extended temperature range ensures functionality

BrandSTMicroelectronics
PackageSO
Device TypeMicrocontrollers

Full Specifications

Number of I/Os16
Min Supply Voltage2.95V
Max Supply Voltage5.5V
Lifecycle StatusProduction
Max Operating Temperature125°C
Min Operating Temperature-40°C
Nominal Supply Current5µA
Number of A/D Converters5
Number of I2C Channels1
Number of SPI Channels1
Number of Timers/Counters1
Number of UART Channels1
RoHSNon-Compliant
Number of Pins20

About This Product

The STMicroelectronics Mainstream Application Specific 8-bit MCU is a versatile microcontroller designed for a wide range of applications requiring efficient processing and reliable performance. With an 8 Kbytes Flash memory and a 16 MHz CPU, this microcontroller is ideal for embedded systems that demand low power consumption and high operational reliability. Its compact 20-pin SO package makes it suitable for space-constrained designs, while its extended temperature range ensures functionality in harsh environments.

What is this product used for?

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

Key Features

  • Case/Package: SO
  • Number of Pins: 20
  • Lifecycle Status: Production
  • Number of I/Os: 16
  • Min Supply Voltage: 2.95V
  • Max Supply Voltage: 5.5V

Typical Use Cases

Embedded Processors and Controllers Microcontrollers SO Microcontrollers

Sourcing Support for This MPN

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

  • MPN and package verification against your BOM or approved vendor list
  • 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

STM8S903F3M3TR

STMicroelectronics

The STMicroelectronics Mainstream Application Specific 8-bit MCU is a versatile microcontroller designed for a wide range of applications requiring efficient processing and reliable performance. With an 8 Kbytes Flash memory and a 16 MHz CPU, this microcontroller is ideal for embedded systems that demand low power consumption and high operational reliability. Its compact 20-pin SO package makes it suitable for space-constrained designs, while its extended temperature range ensures functionality

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  • Sample to production quantities
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