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STM32L431KBU3 by:
STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQCC32

Part Details for STM32L431KBU3 by STMicroelectronics

Results Overview of STM32L431KBU3 by STMicroelectronics

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STM32L431KBU3 Information

STM32L431KBU3 by STMicroelectronics is a Microcontroller.
Microcontrollers are under the broader part category of Microcontrollers and Processors.

Microcontrollers (MCUs) are small, low-power integrated circuits used to control embedded systems. Microcontrollers are primarily used to automate and control devices. Read more about Microcontrollers and Processors on our Microcontrollers and Processors part category page.

Price & Stock for STM32L431KBU3

Part # Distributor Description Stock Price Buy
DISTI # 17AC7164
Newark Mcu, Arm Cortex-M4F, 80Mhz, Ufqfpn-32, Product Range:Stm32 Family Stm32L4 Series Microcontrollers, Architecture:Arm Cortex-M4, No. Of Bits:32Bit, Cpu Speed:80Mhz, Program Memory Size:128Kb, Ram Memory Size:64Kb, No. Of Pins:32Pins, Rohs Compliant: Yes |Stmicroelectronics STM32L431KBU3 RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 6230
  • 1 $5.2800
  • 10 $4.2700
  • 25 $4.0200
  • 50 $3.8800
  • 100 $3.7400
  • 250 $3.6000
  • 980 $3.5200
$3.5200 / $5.2800 Buy Now
DISTI # 497-18594-ND
DigiKey IC MCU 32BIT 128KB FLSH 32UFQFPN Min Qty: 1 Lead time: 12 Weeks Container: Tray 3155
In Stock
  • 1 $4.1700
  • 10 $3.1600
  • 25 $2.9064
  • 100 $2.6277
  • 250 $2.4948
  • 500 $2.4147
  • 1,000 $2.3488
  • 2,940 $2.2687
$2.2687 / $4.1700 Buy Now
DISTI # STM32L431KBU3
Avnet Americas MCU 32-Bit STM32L ARM Cortex M4 RISC 128KB Flash 1.8V/2.5V/3.3V 32-Pin UFQFPN Tray - Bulk (Alt: STM32L431KBU3) COO: Taiwan (Province of China) RoHS: Compliant Min Qty: 2940 Package Multiple: 2940 Lead time: 12 Weeks, 0 Days Container: Bulk 0
  • 2,940 $2.3920
  • 5,880 $2.2627
  • 11,760 $2.2233
  • 17,640 $2.2120
  • 23,520 $2.2006
$2.2006 / $2.3920 Buy Now
DISTI # STM32L431KBU3
Avnet Americas MCU 32-Bit STM32L ARM Cortex M4 RISC 128KB Flash 1.8V/2.5V/3.3V 32-Pin UFQFPN Tray - Bulk (Alt: STM32L431KBU3) COO: Taiwan (Province of China) RoHS: Compliant Min Qty: 2940 Package Multiple: 2940 Lead time: 12 Weeks, 0 Days Container: Bulk 0
  • 2,940 $2.3920
  • 5,880 $2.2627
  • 11,760 $2.2233
  • 17,640 $2.2120
  • 23,520 $2.2006
$2.2006 / $2.3920 Buy Now
DISTI # 511-STM32L431KBU3
Mouser Electronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash RoHS: Compliant 5880
  • 1 $4.1700
  • 10 $3.1600
  • 25 $2.9100
  • 100 $2.6300
  • 250 $2.5000
  • 500 $2.4200
  • 1,000 $2.3500
  • 2,940 $2.2600
$2.2600 / $4.1700 Buy Now
STMicroelectronics Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 128 Kbytes of Flash memory COO: France RoHS: Compliant Min Qty: 1 5880
  • 1 $4.0900
  • 10 $3.1000
  • 25 $2.8500
  • 100 $2.5800
  • 250 $2.4500
  • 500 $2.3700
$2.3700 / $4.0900 Buy Now
DISTI # STM32L431KBU3
Avnet Silica MCU 32Bit STM32L ARM Cortex M4 RISC 128KB Flash 18V25V33V 32Pin UFQFPN Tray (Alt: STM32L431KBU3) RoHS: Compliant Min Qty: 490 Package Multiple: 490 Lead time: 13 Weeks, 0 Days Silica - 0
Buy Now
DISTI # STM32L431KBU3
EBV Elektronik MCU 32Bit STM32L ARM Cortex M4 RISC 128KB Flash 18V25V33V 32Pin UFQFPN Tray (Alt: STM32L431KBU3) RoHS: Compliant Min Qty: 490 Package Multiple: 490 Lead time: 13 Weeks, 0 Days EBV - 1960
Buy Now
LCSC ARM Cortex-M4 80MHz 26 UFQFPN-32(5x5) Microcontrollers RoHS 6
  • 1 $4.6459
  • 10 $4.5385
  • 30 $4.4653
  • 100 $4.3936
$4.3936 / $4.6459 Buy Now

US Tariff Estimator: STM32L431KBU3 by STMicroelectronics

Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.

STM32L431KBU3
STMicroelectronics
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Part Details for STM32L431KBU3

STM32L431KBU3 CAD Models

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STM32L431KBU3 Part Data Attributes

Parametric Data
STM32L431KBU3 STMicroelectronics
Buy Now Datasheet
Compare Parts:
STM32L431KBU3 STMicroelectronics RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQCC32
Rohs Code Yes
Part Life Cycle Code Active
Package Description Hvqccn, Lcc32,.2sq,20
Reach Compliance Code Compliant
ECCN Code 3A991.A.2
HTS Code 8542.31.00.01
Factory Lead Time 12 Weeks
Has ADC Yes
Address Bus Width
Bit Size 32
Boundary Scan Yes
CPU Family Cortex-M4
Clock Frequency-Max 48 Mhz
DAC Channels Yes
DMA Channels Yes
External Data Bus Width
Format Floating Point
Integrated Cache Yes
JESD-30 Code S-PQCC-N32
Length 5 Mm
Low Power Mode Yes
Number of DMA Channels 14
Number of External Interrupts 16
Number of I/O Lines 26
Number of Serial I/Os 4
Number of Terminals 32
Number of Timers 9
On Chip Data RAM Width 8
On Chip Program ROM Width 8
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
PWM Channels Yes
Package Body Material Plastic/Epoxy
Package Code HVQCCN
Package Equivalence Code LCC32,.2SQ,20
Package Shape Square
Package Style Chip Carrier, Heat Sink/Slug, Very Thin Profile
Peak Reflow Temperature (Cel) Not Specified
RAM (bytes) 65536
ROM (words) 131072
ROM Programmability Flash
Seated Height-Max 0.6 Mm
Speed 80 Mhz
Supply Current-Max 10.3 Ma
Supply Voltage-Max 3.6 V
Supply Voltage-Min 1.71 V
Supply Voltage-Nom 3 V
Surface Mount Yes
Technology Cmos
Terminal Form No Lead
Terminal Pitch 0.5 Mm
Terminal Position Quad
Time@Peak Reflow Temperature-Max (s) Not Specified
Width 5 Mm
uPs/uCs/Peripheral ICs Type Microcontroller, Risc
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STM32L431KBU3 Frequently Asked Questions (FAQ)

  • The maximum clock frequency of the STM32L431KBU3 is 32 MHz.

  • The STM32L431KBU3 has 128 KB of flash memory.

  • Yes, the STM32L431KBU3 can operate at 1.8V, but it is not recommended for new designs. The recommended operating voltage is 3.3V.

  • No, the STM32L431KBU3 does not have a built-in USB interface. However, it has a USB device peripheral that can be used to implement a USB interface with an external transceiver.

  • The STM32L431KBU3 has 3 UARTs.

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