8-Bit MCU, 16KB Flash, 16MHz, 25 I/O, 5V, 32-Pin QFN Product overview: STM8S105K4U3ATR from STMicroelectronics is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 16KB, 16MHz, 5V, QFN. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 16KB, 16MHz, 5V. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-STM8S105K4U3ATR can be used for catalog matching and distributor lookup.
STM8A STM8S Microcontroller IC 8-Bit 16MHz 16KB (16K x 8) FLASH 32-UFQFPN (5x5)
Manufacturer: STMicroelectronics
Win Source Part Number: 802711-STM8S105K4U3A
Packaging: Reel
Mounting Style: SMD
Core Processor: STM8A
Speed: 16MHz
Core Size: 8-Bit
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
Data Converters: A/D 7x10b
Oscillator Type: Internal
Supplier Device Package: 32-UFQFPN (5x5)
Temperature Range - Operating: -40°C ~ 125°C
Manufacturer Package: 32-UFQFN Exposed Pad
Popularity: High
Fake Threat In the Open Market: 83 pct.
Supply and Demand Status: Balance
Manufacturer Pack Quantity: 3,000
MSL Level: 3 (168 Hours)
Part Number Series: STM8S105
Voltage - Supply (Vcc/Vdd): 2.95V ~ 5.5V
IC MCU 8BIT 16KB FLASH 32UFQFPN
8-bit Microcontrollers - MCU Mainstream Access line 8-bit MCU with 16 Kbytes Flash, 16 MHz CPU, integrated EEPROM
STM8A STM8S Microcontroller IC 8-Bit 16MHz 16KB (16K x 8) FLASH 32-UFQFPN (5x5)
IC MCU 8BIT 16KB FLASH 32UFQFPN
| ERSAELECTRONICS PTE. LTD. | DigiKey | Win Source Electronics | Lingto Electronic Limited | VAST STOCK CO., LIMITED | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-STM8S105K4U3ATR | STM8S105K4U3ATR-ND | 802711-STM8S105K4U3ATR | STM8S105K4U3ATR | STM8S105K4U3ATR | STM8S105K4U3ATR | STM8S105K4U3ATR |
| Product Name | 8-bit 16KB 16MHz 5V Embedded Microcontroller MCU | Microcontrollers | Embedded - Embedded - Microcontrollers - STM8S105K4U3ATR | Embedded - Microcontrollers | 8-bit Microcontrollers - MCU | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | 8 Bit | |
| Clock Speed | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz | ||
| Supply Voltage | 2.95 to ? volts | 2.95 to 5.5 volts | 2.95 to 5.5 volts | 5.5 volts | |||
| Operating Temperature | -40 C (-40 F) | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | ||
| Bits | Other; A/D 7x10b |
