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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: $5.62 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	$5.62 $4.24 $3.69 $3.52 View $3.33 $3.22 $3.20	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: $5.06 2,765In 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	2,765In Stock	$5.06 $3.81 $3.30 $3.15 $2.89	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: $4.81 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	$4.81 $3.61 $3.13 $2.99 $2.73	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: $6.47 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	$6.47 $4.29 $3.78 $3.56 View $3.26 $3.17	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: $7.10 2,210In 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	2,210In Stock	$7.10 $5.16 $4.71 $4.24 View $4.13 $3.81	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: $6.70 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	$6.70 $5.08 $4.43 $4.23	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: $5.25 4,040In 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	4,040In Stock	Cut Tape $5.25 $3.97 $3.45 $3.28 View Reel $2.98 $3.00 $2.98 $2.98 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: $6.38 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	$6.38 $4.81 $4.25 $3.99 View $3.77 $3.35 $3.33	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: $8.23 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	$8.23 $5.81 $5.42 $4.77	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: $7.55 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	$7.55 $5.76 $5.04 $4.82	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: $6.54 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	$6.54 $4.97 $4.33 $4.13 $3.81	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: $6.77 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	$6.77 $5.15 $4.50 $4.29 View $3.95 $3.90	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: $7.94 1,726In 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	1,726In Stock 1,500On Order	$7.94 $6.07 $5.32 $5.08 $4.69	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: $7.94 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 $7.94 $6.07 $5.32 $5.08 Reel $5.08 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: $9.65 525In 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	525In Stock 1,560On Order	$9.65 $7.22 $6.55 $5.97 $5.80	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: $9.52 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	$9.52 $6.99 $6.51 $5.73 $5.43	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: $8.93 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	$8.93 $6.85 $6.02 $5.76 $5.33	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: $10.39 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	$10.39 $7.85 $7.03 $6.55 View $6.38 $6.01	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: $10.78 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 $10.78 $7.53 $7.19 $6.27 Reel $6.27 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: $10.18 1,672In 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	1,672In Stock	$10.18 $7.27 $6.70 $6.51 $6.28	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: $9.72 1,149In 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	1,149In Stock	$9.72 $7.15 $6.66 $5.85 View $5.55 $4.98	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: $9.70 2,415In 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	2,415In Stock	$9.70 $7.24 $6.66 $6.11 View $5.85 $5.81	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: $11.45 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	$11.45 $8.58 $8.19 $7.11 $6.79	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: $11.73 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	$11.73 $8.20 $7.81 $7.23 View $6.96 $6.15	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: $11.88 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 $11.88 $9.46 $9.02 $7.84 Reel $7.84 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