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STMicroelectronics STM32L431CB Series ARM Microcontrollers - MCU

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Manufacturer = STMicroelectronics Series = STM32L431CB

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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 STM32L431CBU6 STMicroelectronics 1: S/ 19.11 206In Stock 9,360On Order	Mfr. Part # STM32L431CBU6 Mouser Part # 511-STM32L431CBU6	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	206In Stock 9,360On Order On Order Ship Dates Mfr. #: STM32L431CBU6 Stock: 206 Can Ship Immediately On Order: 3,120 Expected 2/22/2027 6,240 TBD Factory Lead-Time: 52 Weeks	S/ 19.11 S/ 14.40 S/ 12.73 S/ 11.64 View S/ 11.29 S/ 10.04 S/ 9.96	Min.: 1 Mult.: 1 Max.: 1,560			STM32L431CB	SMD/SMT	UFQFPN-48	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	38 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 STM32L431CBT6 STMicroelectronics 1: S/ 21.37 10,500On Order	Mfr. Part # STM32L431CBT6 Mouser Part # 511-STM32L431CBT6	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	10,500On Order On Order Ship Dates Mfr. #: STM32L431CBT6 Stock: 0 On Order: 4,500 Expected 2/22/2027 6,000 TBD Factory Lead-Time: 52 Weeks	S/ 21.37 S/ 14.79 S/ 13.00 S/ 12.42 View S/ 12.26 S/ 11.52	Min.: 1 Mult.: 1 Max.: 1,500			STM32L431CB	SMD/SMT	LQFP-48	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	38 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 STM32L431CBU6TR STMicroelectronics 1: S/ 21.80 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L431CBU6TR Mouser Part # 511-STM32L431CBU6TR	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	Cut Tape S/ 21.80 S/ 14.99 S/ 13.97 S/ 12.26 View Reel S/ 9.81 S/ 11.64 S/ 10.47 S/ 10.08 S/ 9.81	Min.: 1 Mult.: 1 : 2,500			STM32L431CB	SMD/SMT	QFN-48	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape
	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431CBY6TR STMicroelectronics 5,000: S/ 9.38 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L431CBY6TR Mouser Part # 511-STM32L431CBY6TR	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/ 9.38	Min.: 5,000 Mult.: 5,000 : 5,000			STM32L431CB	SMD/SMT	WLCSP-48	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	38 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 STM32L431CBY7TR STMicroelectronics 5,000: S/ 10.28 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L431CBY7TR Mouser Part # 511-STM32L431CBY7TR	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/ 10.28	Min.: 5,000 Mult.: 5,000 : 5,000			STM32L431CB	SMD/SMT	WLCSP-48	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	39 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 105 C	Reel