STMicroelectronics STM32F303R8T7TR, 72MHz ARM Cortex-M4 MCU, 64KB Flash, 64-LQFP
STMicroelectronics STM32F3 series ARM Cortex-M4 mixed-signal MCU; STM32F303R8T7TR in 64-LQFP T&R; 72MHz, 64KB Flash, 12KB RAM, 21x12b A/D and 3x12b D/A, CAN/LIN/I2C/SPI/UART, 2–3.6 V supply, -40°C to 105°C ambient.
Specifications
| Parameter | Value |
|---|---|
| Series | STM32F3 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2V ~ 3.6V |
| Operating temperature | -40°C ~ 105°C (TA) |
| Speed | 72MHz |
| Package | Tape & Reel (TR) |
| RAM size | 12K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | DMA, I²S, POR, PWM, WDT |
| Connectivity | CANbus, I²C, IrDA, LINbus, SPI, UART/USART |
| Number of i (O) | 51 |
| Core processor | ARM® Cortex®-M4 |
| Case | 64-LQFP |
| Data converters | A/D 21x12b; D/A 3x12b |
| Program memory size | 64KB (64K x 8) |
Frequently asked questions
The application ambient runs at 95 °C. Does the 105 °C TA rating give enough thermal margin for the 64-LQFP?
The 10 °C margin above a 95 °C ambient is tight. Verify the actual θJA for your PCB layout and confirm the worst-case junction temperature against your I/O loading and switching frequencies — the datasheet thermal curves are required for that check, not a generic derating assumption.
Can we source 10–50 units for a panel build in the next four weeks?
With an EOL-hot lifecycle classification, standard distribution lead times are not reliable. Initiate an RFQ now — the realistic path for short-lead orders on this part is allocated or broker stock, not shelf inventory.
Does the STM32F303R8T7TR meet the creepage and clearance requirements for industrial panel compliance?
The RoHS/REACH CoC is available in the distributor document pack for this part. Full creepage and clearance dimensions for the 64-LQFP pin pitch are in the datasheet — request the datasheet directly to verify against your specific IEC 61131-2 or UL 508 compliance requirement.