STM32G431KBU3Alternatives & Equivalent Parts
About STM32G431KBU3
STM32G431KBU3 is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Quad Flat No-Lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Need pricing on these alternatives?
Get one quote covering all 6 alternatives for STM32G431KBU3 — response within 24 hours.
Specification Comparison
| Parameter | STM32G431KBU3Source | STM32G441CBT6 | STM32G474RET3 | STM32G491VCT6 | STM32G491MES6 | STM32G473VBH6 | STM32G474CEU6 |
|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat No-Lead | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | BGA | Quad Flat No-Lead |
| Pin Count | 33 | 48 | 64 | 100 | 80 | 100 | 49 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | — | — | — | -40.0°C ~ 85.0°C |
| Price | $2.9101 | $2.9819 | $4.7611 | $3.7878 | $5.1571 | $3.8400 | $3.9924 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| Factory Lead Time | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks |
| YTEOL | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Has ADC | YES | YES | YES | — | — | — | YES |
| Bit Size | 32 | 32 | 32 | — | — | — | 32 |
| Boundary Scan | YES | YES | YES | — | — | — | YES |
| CPU Family | CORTEX-M4 | CORTEX-M4 | CORTEX-M4 | — | — | — | CORTEX-M4 |
| Clock Frequency-Max | 48 MHz | 48 MHz | 48 MHz | — | — | — | 48 MHz |
| DAC Channels | YES | YES | YES | — | — | — | YES |
| DMA Channels | YES | YES | YES | — | — | — | YES |
| Format | FLOATING POINT | FLOATING POINT | FLOATING POINT | — | — | — | FLOATING POINT |
| Integrated Cache | YES | NO | YES | — | — | — | YES |
| JESD-30 Code | S-XQCC-N32 | S-PQFP-G48 | S-PQFP-G64 | — | — | — | S-XQCC-N48 |
| Low Power Mode | YES | YES | YES | — | — | — | YES |
| Number of DMA Channels | 12 | 12 | 16 | — | — | — | 16 |
| Number of External Interrupts | 16 | 16 | 16 | — | — | — | 16 |
| Number of I/O Lines | 26 | 38 | 52 | — | — | — | 42 |
| Number of Serial I/Os | 4 | 5 | 9 | — | — | — | 7 |
| Number of Timers | 12 | 12 | 15 | — | — | — | 15 |
| On Chip Data RAM Width | 8 | 8 | 8 | — | — | — | 8 |
| On Chip Program ROM Width | 8 | 8 | 8 | — | — | — | 8 |
| PWM Channels | YES | YES | YES | — | — | — | YES |
| Package Body Material | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | — | UNSPECIFIED |
| Package Equivalence Code | LCC32,.2SQ,20 | QFP48,.35SQ,20 | QFP64,.47SQ,20 | — | — | — | LCC48,.27SQ,20 |
| Package Shape | SQUARE | SQUARE | SQUARE | — | — | — | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | — | — | — | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| RAM (bytes) | 32768 | 32768 | 131072 | — | — | — | 131072 |
| ROM (words) | 131072 | 131072 | 524288 | — | — | — | 524288 |
| ROM Programmability | FLASH | FLASH | FLASH | — | — | — | FLASH |
| Speed | 170 MHz | 150 MHz | 170 MHz | — | — | — | 170 MHz |
| Supply Current-Max | 34 mA | 24 mA | 42 mA | — | — | — | 34 mA |
| Supply Voltage-Max | 3.6 V | 3.6 V | 3.6 V | — | — | — | 3.6 V |
| Supply Voltage-Min | 1.71 V | 1.71 V | 1.71 V | — | — | — | 3 V |
| Supply Voltage-Nom | 3 V | 3 V | 3 V | — | — | — | 3 V |
| Surface Mount | YES | YES | YES | — | — | — | YES |
| Technology | CMOS | CMOS | CMOS | — | — | — | CMOS |
| Terminal Form | NO LEAD | GULL WING | GULL WING | — | — | — | NO LEAD |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm | — | — | — | 0.5 mm |
| Terminal Position | QUAD | QUAD | QUAD | — | — | — | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| Peak Reflow Temperature (Cel) | — | NOT SPECIFIED | 260 | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | NOT SPECIFIED | — | — | — | — | — |
| JESD-609 Code | — | — | e3 | — | — | — | — |
| Terminal Finish | — | — | Matte Tin (Sn) | — | — | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 6 alternatives for STM32G431KBU3 — response within 24 hours.
Quick Links
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 150MHz, CMOS, PQFP48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP64
Why Look for Alternatives?
Finding alternatives for STM32G431KBU3 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 STM32G431KBU3 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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for STM32G431KBU3. Get expert recommendations within 24 hours.
FAQ
What is equivalent to STM32G431KBU3?
Known equivalents for STM32G431KBU3 include STM32G441CBT6, STM32G474RET3, STM32G491VCT6. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32G431KBU3?
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 STM32G431KBU3 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.