STMicroelectronics STM8S903F3P6
| 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 |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM8S |
| Packaging | Tray | Tray |
| 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-TSSOP |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| ROHS |
The STMicroelectronics STM8S903F3P6 is a cost-effective 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 20-TSSOP package. With a 2.95V-5.5V supply range and -40°C to 85°C operation, it is designed for motor control, lighting, and industrial applications.
- Cost-Effective 8-bit Solution: Low unit price for high-volume consumer products.
- Integrated PWM Timers: Simplifies motor and lighting control without external PWM ICs.
- Wide Voltage Range: Supports both 3.3V and 5V logic systems.
- Compact TSSOP-20: Fits space-limited PCBs.
Small Motor Control
The 16MHz STM8 core and PWM timers enable efficient control of DC or stepper motors in toys and small appliances.
Power Supply Monitoring
With brown-out detect and POR, it can safely manage power sequencing in SMPS units.
Automotive Lighting
Operating at 2.95V-5.5V and -40°C to 85°C, it suits LED daytime running lights with PWM dimming.
Industrial Timer
The WDT and 8KB flash allow reliable timing sequences for industrial equipment.
Consumer Electronics Remote
Low pin count and small TSSOP package make it ideal for IR remote controllers.
Sensor Interface
It can read analog sensors and output PWM signals for actuator control in HVAC systems.
- Q: What is the core architecture?
- A: It uses the STM8 8-bit core running at up to 16MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.95V to 5.5V, ideal for 3.3V and 5V systems.
- Q: How much flash memory is available?
- A: It has 8KB of program flash and 1K x 8 RAM.
- Q: Does it include PWM?
- A: Yes, it has multiple PWM timers suitable for motor control.
- Q: What is the package?
- A: It comes in a 20-TSSOP package with 0.173" width.
- Q: What is the core architecture?
- A: It uses the STM8 8-bit core running at up to 16MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.95V to 5.5V, ideal for 3.3V and 5V systems.
- Q: How much flash memory is available?
- A: It has 8KB of program flash and 1K x 8 RAM.
- Q: Does it include PWM?
- A: Yes, it has multiple PWM timers suitable for motor control.
- Q: What is the package?
- A: It comes in a 20-TSSOP package with 0.173" width.

STM8S903F3P6.pdf