STM8S903K3U3TR
Manufacturer package reference image
Mainstream Application specific line 8-bit MCU with 8 Kbytes Flash, 16 MHz CPU, integrated EEPROM
Key Specifications
| Complete manufacturer part number | STM8S903K3U3TR |
|---|---|
| Manufacturer | STMicroelectronics |
| Description | Mainstream Application specific line 8-bit MCU with 8 Kbytes Flash, 16 MHz CPU, integrated EEPROM |
| Package / case | UFQFPN 32 5x5x0.55 mm |
| Product category | Microcontrollers |
| Pins | 32 |
| MCU series | STM8S |
| Operating temperature (manufacturer ordering record) | -40.0 °C to 125.0 °C |
| Core | STM8 |
| Maximum CPU frequency (ordering overview) | 16 MHz |
| Operating supply voltage | 2.95 V to 5.5 V |
| Packing type | Tape And Reel |
| RoHS compliant | Ecopack2 |
| Grade | Industrial |
| In stock | 4,469 pcs |
| Unit price | Request a quote |
| Lead time | To be confirmed |
Technical documentation and image source
Exact ST ordering page verified on 2026-11-04. Temperature labels preserve manufacturer ordering scope; ambient or junction basis is not inferred. Package reference image is not a stock-lot photograph. Consult the datasheet for electrical limits and test conditions.
Manufacturer package reference image for UFQFPN 32 5x5x0.55 mm. Confirm electrical pin functions in the datasheet. Actual lot appearance and top marking require current-lot confirmation.