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STM32L431KBU6 The STM32L431KBU6 is a 32-bit ARM Cortex-M4 microcontroller from STMicroelectronics. It offers 128KB of Flash memory and 64KB of RAM, operating at speeds up to 80MHz.
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STM32L431KBU6

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STM32L431KBU6 is a 32-bit ARM Cortex-M4 microcontroller from STMicroelectronics. It offers 128KB of Flash memory and 64KB of RAM, operating at speeds up to 80MHz.
✓ Total Stock: 1,960 pcs
$ Price Range: $6.40

STM32L431KBU6 Available from 1 distributor

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✓ Non-Authorised
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1,960 pcs
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STM32L431KBU6 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Voltage
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STM32L431KBU6 Description

Short technical summary and product information.

The STM32L431KBU6 is a high-performance 32-bit microcontroller based on the ARM Cortex-M4 core. It features 128KB of Flash program memory and 64KB of RAM, enabling efficient execution of complex applications.

 

With an operating speed of 80MHz and a wide voltage range of 1.71V to 3.6V, this microcontroller is suitable for various embedded systems. It includes essential peripherals such as Brown-out Detect/Reset, DMA, PWM, and WDT, along with data converters (10x12b A/D, 2x12b D/A).

 

The STM32L431KBU6 supports multiple connectivity options including CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, and UART/USART. It is housed in a compact 32-UFQFPN exposed pad package and designed for surface mount installation.

 

This device operates within a temperature range of -40°C to 85°C (TA), making it robust for demanding environments. Its RoHS3 compliance and Moisture Sensitivity Level 1 rating further enhance its suitability for industrial applications.

STM32L431KBU6 Quick Information

Product Type: Microcontroller
Canonical Name: STM32L431KBU6 ARM Cortex-M4 Microcontroller
Subcategory: Embedded

STM32L431KBU6 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

STM32L431KBU6 Estimated Pricing

Qty Low High
1+ $6.40 $6.40

Estimated market price range - modelled values for guidance only, not live distributor offers.

STM32L431KBU6 Features

  • 32-bit ARM Cortex-M4 core processor.
  • Operates at a speed of 80MHz.
  • 128KB Flash program memory.
  • 64KB RAM size.
  • 32-UFQFPN surface mount package.

STM32L431KBU6 Applications

  • Suitable for embedded control applications.
  • Supports various industrial communication protocols.
  • Designed for low-voltage operation.
  • Wide operating temperature range.

STM32L431KBU6 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the STM32L431KBU6?

The operating voltage is 1.71V to 3.6V.

What package type is the STM32L431KBU6 microcontroller?

It is available in a 32-UFQFPN exposed pad package and a 32-UFQFPN (5x5) supplier device package.

What is the operating temperature range for this microcontroller?

The operating temperature range is -40°C to 85°C (TA).

Is the STM32L431KBU6 RoHS compliant?

Yes, it is RoHS3 Compliant.

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