STMicroelectronics STM8S903F3U3TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.26 | $4.26 |
| 15+ | $0.98 | $14.70 |
| 25+ | $0.95 | $23.75 |
| 50+ | $0.90 | $45.00 |
| 100+ | $0.80 | $80.00 |
| N+ | $0.16 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM8S |
| Packaging | Tape & Reel (TR) | NULL |
| 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 ~ 125°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 20-UFQFPN (3x3) |
| Package / Case | 20-UFQFN |
| ROHS |  |
The STM8S903F3U3TR from STMicroelectronics is a robust 8-bit MCU featuring the STM8 core at 16MHz. It provides 8KB flash and 1KB RAM, operating from 2.95V to 5.5V. Housed in a 20-UFQFN package, it includes PWM, WDT, and brown-out detection, making it ideal for automotive and industrial applications requiring extended temperature ranges up to 125°C.
- Extended temperature range (-40°C to 125°C): Enables use in engine compartments and industrial ovens.
- Wide supply voltage (2.95-5.5V): Directly interfaces with 5V sensors and actuators.
- Compact 20-UFQFN: Saves board space in dense designs.
- Integrated PWM and WDT: Reduces external component count for motor control.
Automotive Lighting Control
With 125°C rating and 5.5V operation, it directly drives LED arrays in engine bays or headlamp modules.
Industrial Actuators
16MHz STM8 core with 1KB RAM handles valve position control with PWM-driven stepper motors.
Power Tools
Wide voltage range (2.95-5.5V) tolerates battery voltage sag during high-load operation.
HVAC Zone Controllers
Robust WDT and brown-out detection ensure fail-safe operation in building management systems.
White Goods
Cost-effective 8-bit solution for washing machine drum speed control with 8KB flash for complex routines.
E-bike Controllers
High-temperature tolerance and PWM outputs suit motor drive stages in e-bike hubs.
- Q: What is the core architecture?
- A: It uses the STM8 8-bit core running at 16MHz.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 125°C, suitable for harsh environments.
- Q: How much flash memory is available?
- A: It has 8KB of flash program memory.
- Q: What is the supply voltage?
- A: It requires 2.95V to 5.5V.
- Q: Does it have PWM and watchdog?
- A: Yes, it includes PWM, WDT, and brown-out reset.
STM8S903F3U3TR.pdf
- Q: What is the core architecture?
- A: It uses the STM8 8-bit core running at 16MHz.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 125°C, suitable for harsh environments.
- Q: How much flash memory is available?
- A: It has 8KB of flash program memory.
- Q: What is the supply voltage?
- A: It requires 2.95V to 5.5V.
- Q: Does it have PWM and watchdog?
- A: Yes, it includes PWM, WDT, and brown-out reset.
