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STMicroelectronics Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package / Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Maximum Operating Temperature	Packaging
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412CBU6 STMicroelectronics 1: $4.32 4,439In Stock 7,800Expected 2/22/2027	Mfr. Part # STM32L412CBU6 Mouser Part # 511-STM32L412CBU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	4,439In Stock 7,800Expected 2/22/2027	$4.32 $3.26 $2.84 $2.71 View $2.56 $2.48 $2.46	Min.: 1 Mult.: 1 Max.: 1,000	SMD/SMT		ARM Cortex M4	32 bit	80 MHz	128 kB	40 kB	2 x 12 bit	38 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB STM32L412K8T6 STMicroelectronics 1: $3.89 2,766In Stock	Mfr. Part # STM32L412K8T6 Mouser Part # 511-STM32L412K8T6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB	Datasheet	2,766In Stock	$3.89 $2.93 $2.54 $2.42 $2.22	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-32	ARM Cortex M4	32 bit	80 MHz	64 kB	40 kB	2 x 12 bit	26 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB STM32L412K8U6 STMicroelectronics 1: $3.70 1,115In Stock 2,940On Order	Mfr. Part # STM32L412K8U6 Mouser Part # 511-STM32L412K8U6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB	Datasheet	1,115In Stock 2,940On Order	$3.70 $2.78 $2.41 $2.30 $2.10	Min.: 1 Mult.: 1 Max.: 750	SMD/SMT	QFN-32	ARM Cortex M4	32 bit	80 MHz	64 kB	40 kB	2 x 12 bit	26 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412KBU6 STMicroelectronics 1: $4.98 1,676In Stock 11,760On Order	Mfr. Part # STM32L412KBU6 Mouser Part # 511-STM32L412KBU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,676In Stock 11,760On Order On Order Ship Dates Mfr. #: STM32L412KBU6 Stock: 1,676 Can Ship Immediately On Order: 5,880 Expected 2/22/2027 5,880 TBD Factory Lead-Time: 52 Weeks	$4.98 $3.30 $2.91 $2.74 View $2.51 $2.44	Min.: 1 Mult.: 1 Max.: 2,940	SMD/SMT	UFQFPN-32	ARM Cortex M4	32 bit	80 MHz	128 kB	40 kB	2 x 12 bit	26 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412RBT6 STMicroelectronics 1: $5.46 2,329In Stock	Mfr. Part # STM32L412RBT6 Mouser Part # 511-STM32L412RBT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,329In Stock	$5.46 $3.97 $3.62 $3.26 View $3.18 $2.93	Min.: 1 Mult.: 1 Max.: 750	SMD/SMT		ARM Cortex M4	32 bit	80 MHz	128 kB	40 kB	2 x 12 bit	52 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412RBT6P STMicroelectronics 1: $5.15 995In Stock	Mfr. Part # STM32L412RBT6P Mouser Part # 511-STM32L412RBT6P	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB	Datasheet	995In Stock	$5.15 $3.91 $3.41 $3.25	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	80 MHz	128 kB	40 kB	2 x 12 bit	52 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412TBY6TR STMicroelectronics 1: $4.04 4,047In Stock	Mfr. Part # STM32L412TBY6TR Mouser Part # 511-STM32L412TBY6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB	Datasheet	4,047In Stock	Cut Tape $4.04 $3.05 $2.65 $2.52 View Reel $2.29 $2.31 $2.29 $2.29 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,000 : 5,000								12 bit					Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431CBU6 STMicroelectronics 1: $4.91 842In 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	842In Stock 9,360On Order On Order Ship Dates Mfr. #: STM32L431CBU6 Stock: 842 Can Ship Immediately On Order: 3,120 Expected 2/22/2027 6,240 TBD Factory Lead-Time: 52 Weeks	$4.91 $3.70 $3.27 $3.07 View $2.90 $2.58 $2.56	Min.: 1 Mult.: 1 Max.: 1,560	SMD/SMT	UFQFPN-48	ARM Cortex M4	32 bit	80 MHz	128 kB	64 kB	12 bit	38 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBT6 STMicroelectronics 1: $6.33 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	$6.33 $4.47 $4.17 $3.67	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	80 MHz	128 kB	64 kB	12 bit	52 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash STM32L431RCI6 STMicroelectronics 1: $5.81 1,840In Stock	Mfr. Part # STM32L431RCI6 Mouser Part # 511-STM32L431RCI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,840In Stock	$5.81 $4.43 $3.88 $3.71	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	UFBGA-64	ARM Cortex M4	32 bit	80 MHz	256 kB	64 kB	12 bit	52 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash STM32L432KBU6 STMicroelectronics 1: $5.03 5,316In Stock	Mfr. Part # STM32L432KBU6 Mouser Part # 511-STM32L432KBU6	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	5,316In Stock	$5.03 $3.82 $3.33 $3.18 $2.93	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	UFQFPN-32	ARM Cortex M4	32 bit	80 MHz	128 kB	64 kB	12 bit	26 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD STM32L433CBU6 STMicroelectronics 1: $5.21 1,961In Stock 3,120On Order	Mfr. Part # STM32L433CBU6 Mouser Part # 511-STM32L433CBU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,961In Stock 3,120On Order	$5.21 $3.96 $3.46 $3.30 View $3.04 $3.00	Min.: 1 Mult.: 1 Max.: 1,560	SMD/SMT	UFQFPN-48	ARM Cortex M4	32 bit	80 MHz	128 kB	64 kB	12 bit	38 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433CCT6 STMicroelectronics 1: $6.11 2,050In Stock 1,500On Order	Mfr. Part # STM32L433CCT6 Mouser Part # 511-STM32L433CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,050In Stock 1,500On Order	$6.11 $4.67 $4.09 $3.91 $3.61	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-48	ARM Cortex M4	32 bit	80 MHz	256 kB	64 kB	12 bit	38 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433CCT6TR STMicroelectronics 1: $6.11 1,323In Stock	Mfr. Part # STM32L433CCT6TR Mouser Part # 511-STM32L433CCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB	Datasheet	1,323In Stock	Cut Tape $6.11 $4.67 $4.09 $3.91 Reel $3.91 MouseReel Available	Min.: 1 Mult.: 1 Max.: 300 : 2,400		LQFP-48											Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433CCU3 STMicroelectronics 1: $7.42 783In Stock 1,560On Order	Mfr. Part # STM32L433CCU3 Mouser Part # 511-STM32L433CCU3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	783In Stock 1,560On Order	$7.42 $5.55 $5.04 $4.59 $4.46	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	QFN-48	ARM Cortex M4	32 bit	80 MHz	256 kB	64 kB	12 bit	38 I/O	1.71 V	3.6 V	+ 125 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 STM32L443CCU6 STMicroelectronics 1: $7.32 1,022In Stock	Mfr. Part # STM32L443CCU6 Mouser Part # 511-STM32L443CCU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,022In Stock	$7.32 $5.38 $5.01 $4.41 $4.18	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	QFN-48	ARM Cortex M4	32 bit	80 MHz	256 kB	64 kB	12 bit	38 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 STM32L443RCT6 STMicroelectronics 1: $6.87 2,488In Stock	Mfr. Part # STM32L443RCT6 Mouser Part # 511-STM32L443RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,488In Stock	$6.87 $5.27 $4.63 $4.43 $4.10	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	80 MHz	256 kB	64 kB	12 bit	52 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power w/FPU Arm Cortex-M4 MCU 80 MHz w/512 kbytes STM32L451CET6 STMicroelectronics 1: $7.99 2,482In Stock 4,500On Order	Mfr. Part # STM32L451CET6 Mouser Part # 511-STM32L451CET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power w/FPU Arm Cortex-M4 MCU 80 MHz w/512 kbytes	Datasheet	2,482In Stock 4,500On Order	$7.99 $6.04 $5.41 $5.04 View $4.91 $4.62	Min.: 1 Mult.: 1 Max.: 500													Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM STM32L451CEU6TR STMicroelectronics 1: $8.29 1,058In Stock 2,500On Order	Mfr. Part # STM32L451CEU6TR Mouser Part # 511-STM32L451CEU6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM	Datasheet	1,058In Stock 2,500On Order	Cut Tape $8.29 $5.79 $5.53 $4.82 Reel $4.82 MouseReel Available	Min.: 1 Mult.: 1 Max.: 300 : 2,500	SMD/SMT	QFN-48	ARM Cortex M4	32 bit	80 MHz	512 kB	160 kB	12 bit	38 I/O	1.71 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM STM32L451VCT6 STMicroelectronics 1: $7.83 1,671In Stock	Mfr. Part # STM32L451VCT6 Mouser Part # 511-STM32L451VCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,671In Stock	$7.83 $5.59 $5.15 $5.01 $4.83	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-100	ARM Cortex M4	32 bit	80 MHz	256 kB	160 kB	12 bit	83 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS STM32L452CCU6 STMicroelectronics 1: $7.48 974In Stock	Mfr. Part # STM32L452CCU6 Mouser Part # 511-STM32L452CCU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	974In Stock	$7.48 $5.50 $5.12 $4.50 View $4.27 $3.83	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	QFN-48	ARM Cortex M4	32 bit	80 MHz	256 kB	160 kB	12 bit	38 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, DFS STM32L452CEU6 STMicroelectronics 1: $7.46 2,124In Stock	Mfr. Part # STM32L452CEU6 Mouser Part # 511-STM32L452CEU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, DFS Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,124In Stock	$7.46 $5.57 $5.12 $4.70 View $4.50 $4.47	Min.: 1 Mult.: 1 Max.: 750	SMD/SMT	QFN-48	ARM Cortex M4	32 bit	80 MHz	512 kB	160 kB	12 bit	38 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, DFS STM32L452RET6P STMicroelectronics 1: $8.81 1,641In Stock	Mfr. Part # STM32L452RET6P Mouser Part # 511-STM32L452RET6P	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, DFS Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,641In Stock	$8.81 $6.60 $6.30 $5.47 $5.22	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	80 MHz	512 kB	160 kB	12 bit	52 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, AES STM32L462CEU6 STMicroelectronics 1: $9.02 2,590In Stock 6,240On Order	Mfr. Part # STM32L462CEU6 Mouser Part # 511-STM32L462CEU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, AES Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,590In Stock 6,240On Order	$9.02 $6.31 $6.01 $5.56 View $5.35 $4.73	Min.: 1 Mult.: 1 Max.: 750	SMD/SMT	QFN-48	ARM Cortex M4	32 bit	80 MHz	512 kB	160 kB	12 bit	38 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash USB OTG, DFSDM STM32L475RET6TR STMicroelectronics 1: $9.14 319In Stock 1,000On Order	Mfr. Part # STM32L475RET6TR Mouser Part # 511-STM32L475RET6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash USB OTG, DFSDM	Datasheet	319In Stock 1,000On Order	Cut Tape $9.14 $7.28 $6.94 $6.03 Reel $6.03 MouseReel Available	Min.: 1 Mult.: 1 Max.: 100 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	80 MHz	512 kB	128 kB	3 x 12 bit	51 I/O	1.71 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel