STM32L431RBI3Alternatives & Equivalent Parts
About STM32L431RBI3
STM32L431RBI3 is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a BGA package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | STM32L431RBI3Source | STM32L431RCI6 | STM32L452REI3 | STM32L443RCI6 | STM32L462REI6 |
|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | BGA | BGA | BGA | BGA | BGA |
| Pin Count | 64 | 64 | 64 | 64 | 64 |
| Temperature Range | — | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $2.2837 | $2.5113 | $4.1430 | $3.1719 | $3.6367 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Factory Lead Time | 12 Weeks | 12 Weeks | 12 Weeks | — | 12 Weeks |
| YTEOL | 9 | 9 | 9 | 9 | 9 |
| Has ADC | YES | YES | YES | YES | YES |
| Bit Size | 32 | 32 | 32 | 32 | 32 |
| Clock Frequency-Max | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| DMA Channels | YES | YES | YES | YES | YES |
| Number of I/O Lines | 52 | 52 | 52 | 52 | 52 |
| PWM Channels | YES | YES | YES | YES | YES |
| Package Shape | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | NOT SPECIFIED | 260 | 260 |
| Speed | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Supply Voltage-Max | 3.6 V | 3.6 V | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage-Min | 1.8 V | 1.71 V | 1.71 V | 1.71 V | 1.71 V |
| Supply Voltage-Nom | 3 V | 3 V | 3 V | 1.8 V | 3 V |
| Surface Mount | YES | YES | YES | YES | YES |
| Terminal Form | BALL | BALL | BALL | BALL | BALL |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm |
| Terminal Position | BOTTOM | BOTTOM | BOTTOM | BOTTOM | BOTTOM |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| Manufacturer Package Code | — | UFBGA 5X5X0.6 64L P 0.5 MM | — | UFBGA 5X5X0.6 64L P 0.5 MM | — |
| Boundary Scan | — | YES | YES | — | YES |
| CPU Family | — | CORTEX-M4 | CORTEX-M4 | — | CORTEX-M4 |
| DAC Channels | — | YES | YES | YES | YES |
| Format | — | FLOATING POINT | FLOATING POINT | — | FLOATING POINT |
| Integrated Cache | — | YES | NO | — | YES |
| JESD-30 Code | — | S-PBGA-B64 | S-PBGA-B64 | S-PBGA-B64 | S-PBGA-B64 |
| Low Power Mode | — | YES | YES | — | YES |
| Number of DMA Channels | — | 14 | 14 | — | 14 |
| Number of External Interrupts | — | 16 | 16 | — | 16 |
| Number of Serial I/Os | — | 5 | 6 | — | 6 |
| Number of Timers | — | 9 | 9 | — | 9 |
| On Chip Data RAM Width | — | 8 | 8 | — | 8 |
| On Chip Program ROM Width | — | 8 | 8 | 8 | 8 |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | — | BGA64,8X8,20 | BGA64,8X8,20 | — | BGA64,8X8,20 |
| RAM (bytes) | — | 65536 | 163840 | — | 163840 |
| ROM (words) | — | 262144 | 524288 | — | 524288 |
| ROM Programmability | — | FLASH | FLASH | FLASH | FLASH |
| Supply Current-Max | — | 9.8 mA | 11.5 mA | — | 10.5 mA |
| Technology | — | CMOS | CMOS | CMOS | CMOS |
| Time@Peak Reflow Temperature-Max (s) | — | NOT SPECIFIED | NOT SPECIFIED | — | — |
| Date Of Intro | — | — | 2018-05-28 | — | — |
| Temperature Grade | — | — | — | INDUSTRIAL | — |
| Terminal Finish | — | — | — | Tin/Silver (Sn/Ag) | Tin/Silver (Sn/Ag) |
| JESD-609 Code | — | — | — | — | e2 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PBGA64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PBGA64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PBGA64
Why Look for Alternatives?
Finding alternatives for STM32L431RBI3 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating STM32L431RBI3 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to STM32L431RBI3?
Known equivalents for STM32L431RBI3 include STM32L431RCI6, STM32L452REI3, STM32L443RCI6. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32L431RBI3?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify STM32L431RBI3 alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.