STMicroelectronics STM8S903F3U6TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.45 | $2.45 |
| 15+ | $1.61 | $24.15 |
| 25+ | $1.58 | $39.50 |
| 50+ | $1.49 | $74.50 |
| 100+ | $1.31 | $131.00 |
| N+ | $0.26 | 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 | 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 5x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 20-UFQFPN (3x3) |
| Package / Case | 20-UFQFN |
| ROHS |  |
The STMicroelectronics STM8S903F3U6TR is a compact 8-bit MCU with a 16MHz STM8 core, 8KB flash, and 1K x 8 RAM. It integrates brown-out detect, POR, PWM, and WDT in a tiny 20-UFQFN package. With a 2.95V-5.5V supply range and -40°C to 85°C operation, it is ideal for space-constrained motor control and lighting applications.
- Ultra-Small UFQFN Package: Minimizes PCB footprint for portable devices.
- Integrated PWM: Direct motor and LED control without extra ICs.
- Wide Voltage Range: Compatible with 3.3V and 5V systems.
- Reliable Protection: Brown-out detect and WDT enhance system stability.
Miniature Drone ESC
The UFQFN package saves weight, and PWM timers enable precise motor commutation for small drones.
Wearable Vibration Motor
Low pin count and small size fit into smartwatches for haptic feedback.
Automotive Window Lift
With 5V operation and brown-out detect, it can control window motors reliably.
Industrial Valve Actuator
The WDT ensures safe operation in process control systems.
LED Strip Controller
PWM outputs allow color and brightness control for decorative lighting.
Portable Power Tool
Operating at 2.95V-5.5V, it can manage battery protection and motor speed in drills.
- Q: What is the package type?
- A: It is a 20-UFQFN package, very small for space-constrained designs.
- Q: What is the supply voltage?
- A: It operates from 2.95V to 5.5V.
- Q: Does it have a watchdog timer?
- A: Yes, it includes a WDT for system reliability.
- Q: What is the flash size?
- A: It has 8KB of program memory.
- Q: Is it suitable for motor control?
- A: Yes, with PWM timers and 16MHz speed, it can drive small motors.
STM8S903F3U6TR.pdf
- Q: What is the package type?
- A: It is a 20-UFQFN package, very small for space-constrained designs.
- Q: What is the supply voltage?
- A: It operates from 2.95V to 5.5V.
- Q: Does it have a watchdog timer?
- A: Yes, it includes a WDT for system reliability.
- Q: What is the flash size?
- A: It has 8KB of program memory.
- Q: Is it suitable for motor control?
- A: Yes, with PWM timers and 16MHz speed, it can drive small motors.
