STMicroelectronics STM32L431RB Series ARM Microcontrollers - MCU

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	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: ¥1,051.4 670In 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	670In Stock 1,920Expected 2/22/2027	¥1,051.4 ¥742.5 ¥692.6 ¥609.6	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: ¥867 225In 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	225In Stock 2,940On Order	¥867 ¥642.8 ¥581.4 ¥531.5	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: ¥965 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 ¥965 ¥754.1 ¥656.1 ¥602.9 View Reel ¥544.8 ¥584.7 ¥544.8 ¥544.8 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: ¥543.1 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	¥543.1	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: ¥458.4 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 ¥458.4	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: ¥415.3 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 ¥415.3	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