For Reference Only
| Part Number | STM32L431RBI3 |
| LIXINC Part # | STM32L431RBI3 |
| Manufacturer | STMicroelectronics |
| Category | Integrated Circuits › Embedded - Microcontrollers |
| Description | IC MCU 32BIT 128KB FLASH 64UFBGA |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | STM32L431RBI3 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 23 - Jan 27 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | STM32L431RBI3 |
| Brand: | STMicroelectronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | Embedded - Microcontrollers |
| Manufacturer: | STMicroelectronics |
| Series: | STM32L4 |
| Package: | Tray |
| Part Status: | Active |
| Core Processor: | ARM® Cortex®-M4 |
| Core Size: | 32-Bit |
| Speed: | 80MHz |
| Connectivity: | CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART |
| Peripherals: | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O: | 52 |
| Program Memory Size: | 128KB (128K x 8) |
| Program Memory Type: | FLASH |
| EEPROM Size: | - |
| RAM Size: | 64K x 8 |
| Voltage - Supply (Vcc/Vdd): | 1.71V ~ 3.6V |
| Data Converters: | A/D 16x12b; D/A 2x12b |
| Oscillator Type: | Internal |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 64-UFBGA |
| Supplier Device Package: | 64-UFBGA (5x5) |
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| In Stock | 10920 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $3.51260 | $3.5126 |
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