STMicroelectronics STM8S903F3P3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.18 | $4.18 |
| 15+ | $0.96 | $14.40 |
| 25+ | $0.94 | $23.50 |
| 50+ | $0.88 | $44.00 |
| 100+ | $0.78 | $78.00 |
| N+ | $0.16 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM8S |
| Packaging | Tube | 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-TSSOP |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| ROHS |  |
The STM8S903F3P3 from STMicroelectronics is an 8-bit MCU built on the efficient STM8 core. It delivers 8KB flash and 1KB RAM in a compact 20-TSSOP, running at 16MHz. With a 2.95V to 5.5V supply range and robust features like POR, brown-out reset, PWM, and WDT, it is engineered for reliable operation in industrial and consumer control applications.
- High-temperature tolerance: -40°C to 125°C rating ensures operation in harsh environments.
- Integrated safety features: Brown-out reset and WDT improve system reliability without external components.
- Compact footprint: 20-TSSOP saves PCB space for space-constrained designs.
- Wide voltage range: 2.95V-5.5V simplifies power supply design.
Industrial Sensor Interfaces
With 8KB flash and 16MHz STM8 core, it handles sensor conditioning and simple control loops in compact 20-TSSOP.
Power Management Units
Integrated PWM and brown-out detection enable reliable voltage monitoring and switching for DC-DC converters.
Automotive Body Electronics
Operating from -40°C to 125°C, it suits under-hood modules like window lift or light controllers.
Consumer Appliances
Low pin count and 5V compatibility simplify motor control for fans, pumps, and small kitchen appliances.
Battery-Powered Devices
Wide voltage range and low-power WDT extend battery life in portable monitoring tools.
LED Lighting Control
PWM outputs drive dimming circuits with precise duty-cycle control at 16MHz.
- Q: What is the operating voltage range of the STM8S903F3P3?
- A: It operates from 2.95V to 5.5V, suitable for 3.3V and 5V systems.
- Q: What is the maximum CPU speed?
- A: The STM8 core runs at up to 16 MHz.
- Q: How much flash memory does it have?
- A: It includes 8 KB of program flash memory.
- Q: What package is available?
- A: It comes in a 20-pin TSSOP package.
- Q: Does it have a watchdog timer?
- A: Yes, it includes a WDT along with POR and brown-out reset.
STM8S903F3P3.pdf
- Q: What is the operating voltage range of the STM8S903F3P3?
- A: It operates from 2.95V to 5.5V, suitable for 3.3V and 5V systems.
- Q: What is the maximum CPU speed?
- A: The STM8 core runs at up to 16 MHz.
- Q: How much flash memory does it have?
- A: It includes 8 KB of program flash memory.
- Q: What package is available?
- A: It comes in a 20-pin TSSOP package.
- Q: Does it have a watchdog timer?
- A: Yes, it includes a WDT along with POR and brown-out reset.
