For Reference Only
| Part Number | STM8S105K4U3ATR |
| LIXINC Part # | STM8S105K4U3ATR |
| Manufacturer | STMicroelectronics |
| Category | Integrated Circuits › Embedded - Microcontrollers |
| Description | IC MCU 8BIT 16KB FLASH 32UFQFPN |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | STM8S105K4U3ATR PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 23 - Jan 27 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | STM8S105K4U3ATR |
| Brand: | STMicroelectronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | Embedded - Microcontrollers |
| Manufacturer: | STMicroelectronics |
| Series: | STM8S |
| Package: | Tape & Reel (TR) |
| Part Status: | Active |
| Core Processor: | STM8A |
| 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 ~ 125°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 32-UFQFN Exposed Pad |
| Supplier Device Package: | 32-UFQFPN (5x5) |
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| In Stock | 10926 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $1.10355 | $1.10355 |
| 3000 | $0.99915 | $2997.45 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
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