STMicroelectronics STM8S105K4U6ATR
Regular price
$4.63
Regular price
$1.16
Sale price
$4.63
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.63 | $4.63 |
| 15+ | $1.07 | $16.05 |
| 25+ | $1.04 | $26.00 |
| 50+ | $0.99 | $49.50 |
| 100+ | $0.87 | $87.00 |
| N+ | $0.17 | 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 | 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 STM8S105K4U6ATR from STMicroelectronics is an 8-bit STM8 MCU in a compact 32-UFQFN package. It runs at 16MHz with 16KB flash and 2KB RAM. With a 2.95V to 5.5V supply range and integrated BOR, POR, PWM, and WDT, it is designed for cost-sensitive industrial and consumer control applications.
- Proven STM8 core – mature toolchain and extensive community support.
- Integrated Brown-out Reset – prevents erratic behavior during power dips.
- Compact UFQFN package – saves board space in miniaturized designs.
- Wide voltage range – simplifies direct 5V logic interfacing.
Automotive Aftermarket Sensors
5.5V operation and BOR ensure stable readings in noisy vehicle power lines.
Industrial Timers
16MHz with PWM and WDT suits simple timing and sequencing tasks.
Consumer Appliances
16KB flash and 2KB RAM handle basic UI and motor control in blenders or fans.
Battery Management
Low quiescent current and POR support safe shutdown in Li-ion packs.
LED Lighting Controllers
PWM outputs drive dimming circuits with minimal external logic.
HVAC Zone Controllers
85°C rating and robust reset circuitry work in thermostat environments.
- Q: What is the core architecture?
- A: It uses the STM8 8-bit core running at 16MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.95V to 5.5V.
- Q: Does it have brown-out detection?
- A: Yes, it includes Brown-out Detect/Reset, POR, PWM, and WDT.
- Q: What package is this variant?
- A: It is in a 32-UFQFN exposed pad package.
Base Product Number ：
STM8S105K4U6A
STM8S105K4U6ATR.pdf
- Q: What is the core architecture?
- A: It uses the STM8 8-bit core running at 16MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.95V to 5.5V.
- Q: Does it have brown-out detection?
- A: Yes, it includes Brown-out Detect/Reset, POR, PWM, and WDT.
- Q: What package is this variant?
- A: It is in a 32-UFQFN exposed pad package.
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