8-bit CISC microcontroller featuring an STM8 core and 16 MHz clock speed. 8KB Flash program memory and 1KB RAM. 32-pin UFQFPN EP package with 0.5mm pitch, 5x5mm dimensions, and surface mount capability. Supports I2C, SPI, and UART interfaces, with 28 programmable I/Os and 8 ADC channels. Operates from 3.3V to 5.5V over a -40°C to 85°C temperature range.
Checking distributor stock and pricing after the page loads.
Sign in to ask questions about the Stmicroelectronics STM8S903K3U6TR datasheet using AI. Get instant answers about specifications, features, and technical details, ideal for finding information in larger documents.
Sign In to ChatWidest selection of semiconductors and electronic components in stock and ready to ship ™
Stmicroelectronics STM8S903K3U6TR technical specifications.
| Basic Package Type | Non-Lead-Frame SMT |
| Package Family Name | QFN |
| Package/Case | UFQFPN EP |
| Package Description | Ultra Thin Fine Pitch Quad Flat Package No Lead, Exposed Pad |
| Lead Shape | No Lead |
| Pin Count | 32 |
| PCB | 32 |
| Package Length (mm) | 5 |
| Package Width (mm) | 5 |
| Package Height (mm) | 0.53 |
| Seated Plane Height (mm) | 0.55 |
| Pin Pitch (mm) | 0.5 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Family Name | STM8S |
| Data Bus Width | 8bit |
| Instruction Set Architecture | CISC |
| Maximum Clock Rate | 16MHz |
| Maximum CPU Frequency | 16MHz |
| Device Core | STM8 |
| Program Memory Type | Flash |
| Program Memory Size | 8KB |
| RAM Size | 1KB |
| Number of Programmable I/Os | 28 |
| Core Architecture | STM8 |
| Programmability | Yes |
| Number of Timers | 3 |
| Interface Type | I2C/SPI/UART |
| CAN | 0 |
| I2C | 1 |
| SPI | 1 |
| Ethernet | 0 |
| UART | 1 |
| USART | 0 |
| USB | 0 |
| I2S | 0 |
| Max Operating Supply Voltage | 5.5V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| ADC Channels | 8 |
| Number of ADCs | Single |
| Cage Code | SCR76 |
| EU RoHS | Yes |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
Download the complete datasheet for Stmicroelectronics STM8S903K3U6TR to view detailed technical specifications.
The embedded preview will load automatically when this section scrolls into view.
