STM32WB55VEY7TR
Manufacturer package reference image
Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz with 512 Kbytes of Flash memory, Bluetooth LE 5.3, 802.15.4, Zigbee, Thread, Matter, USB, LCD, AES-256
Key Specifications
| Complete manufacturer part number | STM32WB55VEY7TR |
|---|---|
| Manufacturer | STMicroelectronics |
| Description | Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz with 512 Kbytes of Flash memory, Bluetooth LE 5.3, 802.15.4, Zigbee, Thread, Matter, USB, LCD, AES-256 |
| Package / case | WLCSP 100 4.4x4.4x0.6 P 0.4 mm |
| Product category | Microcontrollers |
| Pins | 100 |
| Core | Arm Cortex-M4 |
| Flash memory (ST overview) | 512 Kbytes |
| Grade | Industrial |
| MCU series | STM32WB |
| Operating temperature (manufacturer ordering record) | -40.0 °C to 105.0 °C |
| Core (manufacturer record) | Arm Cortex-M4 |
| Operating Voltage Min Volt (manufacturer ordering record) | 1.71 |
| Operating Voltage Max Volt (manufacturer ordering record) | 3.6 |
| Core (manufacturer ordering record) | Arm Cortex-M4 |
| Flash memory (exact ordering overview) | 512 KB |
| Operating supply voltage | 1.71 V to 3.6 V |
| Packing type | Tape And Reel |
| RoHS compliant | Ecopack2 |
| In stock | 12,196 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 WLCSP 100 4.4x4.4x0.6 P 0.4 mm. Confirm electrical pin functions in the datasheet. Actual lot appearance and top marking require current-lot confirmation.