STMicroelectronics STM8S105K4U6A
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.16 | $3.16 |
| 15+ | $2.08 | $31.20 |
| 25+ | $2.03 | $50.75 |
| 50+ | $1.92 | $96.00 |
| 100+ | $1.70 | $170.00 |
| N+ | $0.34 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM8S |
| Packaging | Tray | 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 | 25 |
| Program Memory Size | 16KB (16K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.95V ~ 5.5V |
| Data Converters | A/D 7x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-UFQFPN (5x5) |
| Package / Case | 32-UFQFN Exposed Pad |
| ROHS |  |
The STM8S105K4U6A from STMicroelectronics is an 8-bit MCU based on the STM8 core, running at 16MHz. It provides 16KB flash and 2KB RAM in a compact 32-UFQFN package. With a supply range of 2.95V to 5.5V, it integrates brown-out reset, POR, PWM, and watchdog timer, making it suitable for cost-sensitive industrial and consumer applications.
- 5V tolerant I/O: Directly drives relays and logic without level shifters.
- High integration: Includes POR, BOR, and WDT for reliable standalone operation.
- Compact 32-UFQFN: Ideal for space-limited PCB designs.
- Cost-effective 8-bit core: Balances performance and budget for mass production.
Home Appliance Control Boards
5V operation and robust I/O simplify interfacing with relays and triacs in washing machines and microwaves.
Industrial Sensors (4-20mA)
16MHz speed and integrated PWM enable precise current loop control for pressure and temperature transmitters.
Automotive Aftermarket Modules
Wide voltage tolerance and -40°C to 85°C range suit car alarm and window control systems.
Power Tools
16KB flash stores motor control algorithms for variable-speed drills and saws.
Smart Lighting Ballasts
PWM outputs drive LED drivers with high resolution for dimming and color control.
HVAC Zone Controllers
Multiple timers and WDT ensure reliable scheduling and fault detection in building automation.
- Q: What is the core architecture?
- A: STM8 8-bit core.
- Q: What is the maximum frequency?
- A: 16MHz.
- Q: What is the flash size?
- A: 16KB.
- Q: What is the supply voltage range?
- A: 2.95V to 5.5V.
- Q: What package is available?
- A: 32-UFQFN exposed pad.
STM8S105K4U6A.pdf
- Q: What is the core architecture?
- A: STM8 8-bit core.
- Q: What is the maximum frequency?
- A: 16MHz.
- Q: What is the flash size?
- A: 16KB.
- Q: What is the supply voltage range?
- A: 2.95V to 5.5V.
- Q: What package is available?
- A: 32-UFQFN exposed pad.
