STMicroelectronics STM8S105K6U6ATR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.51 | $3.51 |
| 15+ | $2.31 | $34.65 |
| 25+ | $2.26 | $56.50 |
| 50+ | $2.13 | $106.50 |
| 100+ | $1.88 | $188.00 |
| N+ | $0.38 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM8S |
| Packaging | Cut Tape (CT) | 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 | 32KB (32K 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 STMicroelectronics STM8S105K6U6ATR is an 8-bit MCU based on the STM8 core, running at 16MHz. It includes 32KB of flash and 2KB of RAM, with a supply range of 2.95V to 5.5V. The 32-UFQFN package with exposed pad enhances thermal dissipation, making it suitable for power-oriented applications.
- Thermal Efficiency: Exposed pad package improves heat dissipation for high-current applications.
- Robust Safety: Brown-out reset, POR, and WDT enhance system reliability.
- Wide Voltage: 2.95V-5.5V range supports both 3.3V and 5V logic.
- Compact Footprint: 32-UFQFN saves PCB space while offering sufficient I/O.
Motor Control in Appliances
PWM outputs and 16MHz speed enable efficient BLDC motor control in washing machines and fans.
Power Supply Management
Brown-out detection and WDT ensure stable operation in switch-mode power supplies.
Automotive Body Modules
The 5.5V operation and 85°C rating suit window lift and mirror control modules.
Industrial Sensors
2KB RAM supports data buffering for pressure and flow sensors in factory automation.
Consumer Electronics
Compact UFQFN package fits into smart plugs and lighting controllers.
Battery Management Systems
POR and WDT provide reliable monitoring in multi-cell battery packs.
- Q: What is the core and speed?
- A: It uses the STM8 core at 16MHz, offering efficient 8-bit performance.
- Q: What is the voltage range?
- A: It operates from 2.95V to 5.5V, suitable for 3.3V and 5V systems.
- Q: How much flash and RAM?
- A: It provides 32KB of flash and 2KB of RAM for moderate applications.
- Q: What package is available?
- A: It comes in a 32-UFQFN package with exposed pad for better thermal performance.
- Q: Is it suitable for industrial use?
- A: Yes, with -40°C to 85°C operation and robust safety features.
- Q: What is the core and speed?
- A: It uses the STM8 core at 16MHz, offering efficient 8-bit performance.
- Q: What is the voltage range?
- A: It operates from 2.95V to 5.5V, suitable for 3.3V and 5V systems.
- Q: How much flash and RAM?
- A: It provides 32KB of flash and 2KB of RAM for moderate applications.
- Q: What package is available?
- A: It comes in a 32-UFQFN package with exposed pad for better thermal performance.
- Q: Is it suitable for industrial use?
- A: Yes, with -40°C to 85°C operation and robust safety features.

STM8S105K6U6ATR.pdf