STMicroelectronics STM8S103F2P3TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.59 | $2.59 |
| 15+ | $1.70 | $25.50 |
| 25+ | $1.67 | $41.75 |
| 50+ | $1.57 | $78.50 |
| 100+ | $1.39 | $139.00 |
| N+ | $0.28 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM8S |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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 | 16 |
| Program Memory Size | 4KB (4K 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 5x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 20-TSSOP |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| ROHS |
The STM8S103F2P3TR from STMicroelectronics is a cost-effective 8-bit microcontroller built on the robust STM8 core. It delivers 16MHz performance with 4KB flash and 1KB RAM in a compact 20-TSSOP package. Designed for industrial and consumer applications, it operates across a wide voltage range and includes essential safety features like brown-out reset and watchdog timer.
- Wide voltage range (2.95V-5.5V): Simplifies power supply design and supports legacy 5V logic.
- High-temperature tolerance (-40°C to 125°C): Enables use in demanding automotive and industrial environments.
- Integrated safety features (BOR, POR, WDT): Improves system reliability without external components.
- Compact TSSOP-20 package: Saves PCB space for space-constrained designs.
Industrial Sensor Interfaces
With a 16MHz STM8 core and 5V tolerant I/O, this MCU can directly interface with industrial sensors and actuators without level shifting, simplifying BOM.
Power Management Controllers
The integrated PWM and brown-out reset ensure reliable operation in power supply sequencing and monitoring applications, maintaining system stability during voltage dips.
Consumer Appliance Control
Its 4KB flash and 1KB RAM are sufficient for motor control loops in small appliances, while the WDT enhances safety compliance.
Automotive Body Electronics
Rated for -40°C to 125°C, it handles harsh under-hood environments for lighting or window lift control modules.
Battery-Powered Devices
The low-power STM8 core with multiple sleep modes extends battery life in portable monitoring tools.
Simple Human-Machine Interfaces
GPIO and PWM capabilities drive LEDs and buzzers for user feedback in control panels.
- Q: What is the operating voltage range of the STM8S103F2P3TR?
- A: It operates from 2.95V to 5.5V, making it suitable for 3.3V and 5V systems.
- Q: What is the maximum clock speed?
- A: The core runs at up to 16MHz.
- Q: How much flash memory does it have?
- A: It includes 4KB of program flash memory.
- Q: What package is available?
- A: It comes in a 20-pin TSSOP package.
- Q: What are the key integrated features?
- A: It features brown-out detection, power-on reset, PWM, and a watchdog timer.
- Q: What is the operating voltage range of the STM8S103F2P3TR?
- A: It operates from 2.95V to 5.5V, making it suitable for 3.3V and 5V systems.
- Q: What is the maximum clock speed?
- A: The core runs at up to 16MHz.
- Q: How much flash memory does it have?
- A: It includes 4KB of program flash memory.
- Q: What package is available?
- A: It comes in a 20-pin TSSOP package.
- Q: What are the key integrated features?
- A: It features brown-out detection, power-on reset, PWM, and a watchdog timer.

STM8S103F2P3TR.pdf