STM8 STM8S Microcontroller IC 8-Bit 16MHz 8KB (8K x 8) FLASH 32-UFQFPN (5x5)
8-bit MCU, 8KB Flash, 16MHz, 28 I/O, I2C, SPI, UART, USART, LIN Product overview: STM8S903K3U6 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, 8KB, 16MHz. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8KB, 16MHz, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-STM8S903K3U6 can be used for catalog matching and distributor lookup.
Manufacturer: STMicroelectronics
Win Source Part Number: 795756-STM8S903K3U6
Series: STM8S
Packaging: Tray
Operating Temperature Range: -40°C ~ 85°C (TA)
Core Processor: STM8
Speed: 16MHz
Package: 32-UFQFN Exposed Pad
Core Size: 8-Bit
Connectivity: I2C, IrDA, LIN, SPI, UART/USART
Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O: 28
Program Memory Size: 8KB (8K x 8)
Program Memory Type: FLASH
EEPROM Size: 640 x 8
RAM Size: 1K x 8
Data Converters: A/D 7x10b
Oscillator Type: Internal
Supply Voltage: 2.95 V ~ 5.5 V
Family Name: STM8S903
Categories: Integrated Circuits (ICs)
Manufacturer Package: 32-UFQFPN (5x5)
Alternative Parts (Cross-Reference): UPD78F0746K8(S)-3B4-
Introduction Date: June 03, 2009
ECCN: EAR99
Country of Origin: China, Philippines
Estimated EOL Date: 2029
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 56 pct.
Supply and Demand Status: Limited
IC MCU 8BIT 8KB FLASH 32UFQFPN
IC MCU 8BIT 8KB FLASH 32UFQFPN
8-bit Microcontrollers - MCU 8BIT Ultralow MCU 8KB Flash 1KB RAM
STM8 STM8S Microcontroller IC 8-Bit 16MHz 8KB (8K x 8) FLASH 32-UFQFPN (5x5)
| DigiKey | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | VAST STOCK CO., LIMITED | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 497-11598-ND | 685-STM8S903K3U6 | 795756-STM8S903K3U6 | STM8S903K3U6 | STM8S903K3U6 | STM8S903K3U6 | STM8S903K3U6 |
| Product Name | Microcontrollers | 8-bit 8KB 16MHz Embedded Microcontroller MCU | Embedded - Embedded - Microcontrollers - STM8S903K3U6 | Integrated Circuits (ICs) - Embedded - Microcontrollers | Embedded - Microcontrollers | 8-bit Microcontrollers - MCU | 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 | |||
| Bits | Other; A/D 7x10b | ||||||
| RAM | 1 KB | 1 KB | 8 KB | 1 KB | 1 KB | ||
| ROM | 8 KB | 640 KB |