STM32C091CBU6
Manufacturer package reference image
Mainstream Arm Cortex-M0+ MCU with 128 Kbytes of Flash memory, 36 Kbytes RAM, 48 MHz CPU, 4x USART, timers, ADC, comm. I/F, 2-3.6V
Key Specifications
| Complete manufacturer part number | STM32C091CBU6 |
|---|---|
| Manufacturer | STMicroelectronics |
| Description | Mainstream Arm Cortex-M0+ MCU with 128 Kbytes of Flash memory, 36 Kbytes RAM, 48 MHz CPU, 4x USART, timers, ADC, comm. I/F, 2-3.6V |
| Package / case | UFQFPN 48 7x7x0.55 mm |
| Product category | Microcontrollers |
| Pins | 48 |
| MCU series | STM32C0 |
| Core | Arm Cortex-M0+ |
| Flash memory (exact ordering overview) | 128 KB |
| Maximum CPU frequency (ordering overview) | 48 MHz |
| Operating supply voltage | 2.0 V to 3.6 V |
| Packing type | Tray |
| RoHS compliant | Ecopack2 |
| Grade | Industrial |
| In stock | 6,528 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 48 7x7x0.55 mm. Confirm electrical pin functions in the datasheet. Actual lot appearance and top marking require current-lot confirmation.
Some exact-order specifications remain to be confirmed in the manufacturer documentation.