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STMicroelectronics STM32L431RB Series ARM Microcontrollers - MCU

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Manufacturer = STMicroelectronics Series = STM32L431RB

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Series	Mounting Style	Package / Case	Core	Program Memory Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Data RAM Size	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBT6 STMicroelectronics 1: S/ 23.36 700In Stock 1,920Expected 2/22/2027	Mfr. Part # STM32L431RBT6 Mouser Part # 511-STM32L431RBT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	700In Stock 1,920Expected 2/22/2027	S/ 23.36 S/ 17.05 S/ 15.41 S/ 14.17	Min.: 1 Mult.: 1 Max.: 150			STM32L431RB	SMD/SMT	LQFP-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBI6 STMicroelectronics 1: S/ 20.32 425In Stock 2,940On Order	Mfr. Part # STM32L431RBI6 Mouser Part # 511-STM32L431RBI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	425In Stock 2,940On Order	S/ 20.32 S/ 15.06 S/ 13.62 S/ 12.46	Min.: 1 Mult.: 1 Max.: 200			STM32L431RB	SMD/SMT	UFBGA-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBT6TR STMicroelectronics 1: S/ 22.54 2,000Expected 2/22/2027	Mfr. Part # STM32L431RBT6TR Mouser Part # 511-STM32L431RBT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,000Expected 2/22/2027	Cut Tape S/ 22.54 S/ 17.59 S/ 15.34 S/ 14.05 View Reel S/ 12.69 S/ 13.66 S/ 12.69 S/ 12.69 MouseReel Available	Min.: 1 Mult.: 1 Max.: 500 : 1,000			STM32L431RB	SMD/SMT	LQFP-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBI3 STMicroelectronics 2,940: S/ 12.49 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L431RBI3 Mouser Part # 511-STM32L431RBI3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash	Datasheet	Non-Stocked Lead-Time 52 Weeks	S/ 12.49	Min.: 2,940 Mult.: 2,940			STM32L431RB	SMD/SMT	UFBGA-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 125 C	Tray
	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBI6TR STMicroelectronics 5,000: S/ 10.74 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L431RBI6TR Mouser Part # 511-STM32L431RBI6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel S/ 10.74	Min.: 5,000 Mult.: 5,000 : 5,000			STM32L431RB	SMD/SMT	UFBGA-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Reel
	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBY6TR STMicroelectronics 5,000: S/ 9.73 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L431RBY6TR Mouser Part # 511-STM32L431RBY6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel S/ 9.73	Min.: 5,000 Mult.: 5,000 : 5,000			STM32L431RB	SMD/SMT	WLCSP-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Reel