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STMicroelectronics STM32G431KBU6 Microcontrollers

Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration

1,497 ActiveSTMicroelectronicsSTM32G4STM32G32-UFQFN Exposed Pad$13.11
STM32G431KBU6 32-UFQFN Exposed Pad package illustration

Same model may have multiple batches, images only for reference.

STM32G431KBU6
Manufacturer
Part Number (MPN)
STM32G431KBU6
Series
Base Model
Detailed Description
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
Package
32-UFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
PDF STM32G431KBU6 Datasheet
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Ordering Code Family

STM32G groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

88 ordering variants listed on the family page.

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Technical Specifications

STMicroelectronics STM32G431KBU6 Microcontrollers technical specifications.

General

Series
STM32G4
RAM Size
32K x 8
RoHS
Yes
Package / Case
32-UFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.71V ~ 3.6V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number of I/O
26

Related Parts Comparison (STM32G431KBU6 vs STM32G030F6P6TR vs STM32G030C8T6 vs STM32G071CBT6)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
SeriesSTM32G4STM32G0STM32G0STM32G0
Package / Case32-UFQFN Exposed Pad20-TSSOP48-LQFP48-LQFP
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage1.71V ~ 3.6V3 V3 V1.8 V
Core ProcessorARM® Cortex®-M4FARM® Cortex®-M0+ARM® Cortex®-M0+ARM® Cortex®-M0+
Core Size32-Bit Single-Core32-Bit32-Bit32-Bit Single-Core
RAM Size32K x 88 kB8 kB36 kB
RoHSYesCompliantCompliantCompliant
Lifecycle StatusActiveProductionProductionProduction
ConnectivityCANbus, I²C, IrDA, LINbus, SPI, UART/USARTI2C, IrDA, LINbus, SPI, SmartCard, UART/USARTI2C, IrDA, LINbus, SPI, SmartCard, UART/USARTHDMI-CEC, I²C, IrDA, LINbus, SPI, UART/USART, USB
CoreArm Cortex-M4ARM Cortex-M0+ARM Cortex-M0+ARM Cortex-M0+
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Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

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