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STM32 ARM 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.	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 Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, LCD, USB STM32L152C6U6A STMicroelectronics 1: $6.40 1,068In Stock	Mfr. Part No. STM32L152C6U6A Mouser Part No 511-STM32L152C6U6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, LCD, USB Learn More about STMicroelectronics stm32l1	Datasheet	1,068In Stock	$6.40 $4.78 $4.34 $4.12 View $3.91 $3.51	Min.: 1 Mult.: 1	STM32L152C6-A	SMD/SMT	UFQPFN-48	ARM Cortex M3	32 kB	32 bit	12 bit	32 MHz	37 I/O	10 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, LCD, USB STM32L152C8T6A STMicroelectronics 1: $6.61 806In Stock 1,500On Order	Mfr. Part No. STM32L152C8T6A Mouser Part No 511-STM32L152C8T6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, LCD, USB Learn More about STMicroelectronics stm32l1	Datasheet	806In Stock 1,500On Order	$6.61 $5.06 $4.44 $4.25 View $4.05 $4.01 $3.70 $3.64 Quote	Min.: 1 Mult.: 1	STM32L152C8-A	SMD/SMT	LQFP-48	ARM Cortex M3	64 kB	32 bit	12 bit	32 MHz	37 I/O	10 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz STM32L152CCT6 STMicroelectronics 1: $8.19 1,085In Stock	Mfr. Part No. STM32L152CCT6 Mouser Part No 511-STM32L152CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	1,085In Stock	$8.19 $6.34 $5.88 $5.37 View $5.15 $4.86 $4.63 $4.46	Min.: 1 Mult.: 1	STM32L152CC	SMD/SMT	LQFP-48	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	37 I/O	32 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz STM32L152RCT6 STMicroelectronics 1: $8.94 780In Stock	Mfr. Part No. STM32L152RCT6 Mouser Part No 511-STM32L152RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	780In Stock	$8.94 $6.92 $6.11 $5.71 View $5.49 $5.15 Quote	Min.: 1 Mult.: 1	STM32L152RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	51 I/O	32 kB	1.65 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 , USB STM32L412CBU6 STMicroelectronics 1: $4.32 6,049In Stock 7,800On Order	Mfr. Part No. STM32L412CBU6 Mouser Part No 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	6,049In Stock 7,800On Order	$4.32 $3.26 $2.84 $2.71 View $2.56 $2.48 $2.46	Min.: 1 Mult.: 1 Max.: 1,000	STM32L412CB	SMD/SMT		ARM Cortex M4	128 kB	32 bit	2 x 12 bit	80 MHz	38 I/O	40 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 64 Kbytes of Flash , USB STM32L412K8U6 STMicroelectronics 1: $3.70 2,874In Stock	Mfr. Part No. STM32L412K8U6 Mouser Part No 511-STM32L412K8U6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB	Datasheet	2,874In Stock	$3.70 $2.78 $2.41 $2.30 $2.10	Min.: 1 Mult.: 1 Max.: 750	STM32L412K8	SMD/SMT	QFN-32	ARM Cortex M4	64 kB	32 bit	2 x 12 bit	80 MHz	26 I/O	40 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 64 Kbytes of Flash , USB STM32L412R8T6 STMicroelectronics 1: $4.56 930In Stock	Mfr. Part No. STM32L412R8T6 Mouser Part No 511-STM32L412R8T6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB	Datasheet	930In Stock	$4.56 $3.45 $3.01 $2.87	Min.: 1 Mult.: 1 Max.: 300	STM32L412R8	SMD/SMT	LQFP-64	ARM Cortex M4	64 kB	32 bit	2 x 12 bit	80 MHz	52 I/O	40 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 , USB STM32L412RBT6 STMicroelectronics 1: $5.53 2,726In Stock	Mfr. Part No. STM32L412RBT6 Mouser Part No 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	2,726In Stock	$5.53 $3.86 $3.52 $3.20 View $3.11 $2.87	Min.: 1 Mult.: 1 Max.: 750	STM32L412RB	SMD/SMT		ARM Cortex M4	128 kB	32 bit	2 x 12 bit	80 MHz	52 I/O	40 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 , USB STM32L412RBT6P STMicroelectronics 1: $4.99 899In Stock	Mfr. Part No. STM32L412RBT6P Mouser Part No 511-STM32L412RBT6P	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB	Datasheet	899In Stock	$4.99 $3.79 $3.30 $3.15	Min.: 1 Mult.: 1 Max.: 250	STM32L412RB	SMD/SMT	LQFP-64	ARM Cortex M4	128 kB	32 bit	2 x 12 bit	80 MHz	52 I/O	40 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 , USB STM32L412TBY6TR STMicroelectronics 1: $4.04 4,652In Stock	Mfr. Part No. STM32L412TBY6TR Mouser Part No 511-STM32L412TBY6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB	Datasheet	4,652In Stock	Cut Tape $4.04 $3.05 $2.65 $2.52 View Reel $2.15 $2.31 $2.15 $2.15 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,000 : 5,000	STM32L412TB						12 bit								Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash STM32L431RCI6 STMicroelectronics 1: $5.81 1,903In Stock	Mfr. Part No. STM32L431RCI6 Mouser Part No 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	1,903In Stock	$5.81 $4.43 $3.88 $3.71	Min.: 1 Mult.: 1 Max.: 300	STM32L431RC	SMD/SMT	UFBGA-64	ARM Cortex M4	256 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 ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash STM32L432KBU6 STMicroelectronics 1: $5.03 2,266In Stock 2,940Expected 28/09/2026	Mfr. Part No. STM32L432KBU6 Mouser Part No 511-STM32L432KBU6	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,266In Stock 2,940Expected 28/09/2026	$5.03 $3.82 $3.33 $3.18 View $3.11 $2.84	Min.: 1 Mult.: 1 Max.: 500	STM32L432KB	SMD/SMT	UFQFPN-32	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	26 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 256 Kbytes of Flash , LCD, USB STM32L433CCT3 STMicroelectronics 1: $6.93 454In Stock 1,500On Order	Mfr. Part No. STM32L433CCT3 Mouser Part No 511-STM32L433CCT3	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	454In Stock 1,500On Order	$6.93 $5.32 $4.67 $4.47 $4.39	Min.: 1 Mult.: 1 Max.: 250	STM32L433CC	SMD/SMT	LQFP-48	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	38 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 256 Kbytes of Flash , LCD, USB STM32L433CCT6 STMicroelectronics 1: $6.11 2,892In Stock	Mfr. Part No. STM32L433CCT6 Mouser Part No 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	2,892In Stock	$6.11 $4.67 $4.09 $3.91 $3.61	Min.: 1 Mult.: 1 Max.: 500	STM32L433CC	SMD/SMT	LQFP-48	ARM Cortex M4	256 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 256 Kbytes of Flash , LCD, USB STM32L433CCT6TR STMicroelectronics 1: $6.11 1,257In Stock	Mfr. Part No. STM32L433CCT6TR Mouser Part No 511-STM32L433CCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB	Datasheet	1,257In Stock	Cut Tape $6.11 $4.67 $4.09 $3.91 Reel $3.91 MouseReel Available	Min.: 1 Mult.: 1 Max.: 300 : 2,400	STM32		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: $6.72 893In Stock	Mfr. Part No. STM32L433CCU3 Mouser Part No 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	893In Stock	$6.72 $5.16 $4.53 $4.33	Min.: 1 Mult.: 1 Max.: 250	STM32L433CC	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	38 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 256 Kbytes of Flash , LCD, USB STM32L433CCU6 STMicroelectronics 1: $5.93 2,631In Stock 3,120On Order	Mfr. Part No. STM32L433CCU6 Mouser Part No 511-STM32L433CCU6	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	2,631In Stock 3,120On Order	$5.93 $4.53 $3.97 $3.79 $3.49	Min.: 1 Mult.: 1 Max.: 750	STM32L433CC	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 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 256 Kbytes of Flash , LCD, USB STM32L433CCY6TR STMicroelectronics 1: $6.82 2,043In Stock	Mfr. Part No. STM32L433CCY6TR Mouser Part No 511-STM32L433CCY6TR	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	2,043In Stock	Cut Tape $6.82 $5.01 $4.67 $4.11 View Reel $3.50 $3.90 $3.50 $3.50 MouseReel Available	Min.: 1 Mult.: 1 Max.: 500 : 5,000	STM32L433CC	SMD/SMT	WLCSP-48	ARM Cortex M4	256 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, MouseReel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433RCI6 STMicroelectronics 1: $6.40 2,125In Stock	Mfr. Part No. STM32L433RCI6 Mouser Part No 511-STM32L433RCI6	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	2,125In Stock	$6.40 $4.90 $4.30 $4.11 $3.79	Min.: 1 Mult.: 1 Max.: 500	STM32L433RC	SMD/SMT	UFBGA-64	ARM Cortex M4	256 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 256 Kbytes of Flash , LCD, USB STM32L433RCT3 STMicroelectronics 1: $7.91 476In Stock 1,564On Order	Mfr. Part No. STM32L433RCT3 Mouser Part No 511-STM32L433RCT3	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	476In Stock 1,564On Order On Order Ship Dates Mfr. No: STM32L433RCT3 Stock: 476 Can Dispatch Immediately On Order: 604 Expected 28/09/2026 960 TBD Factory Lead Time: 52 Weeks	$7.91 $6.01 $5.35 $5.01	Min.: 1 Mult.: 1 Max.: 100	STM32L433RC	SMD/SMT	LQFP-64	ARM Cortex M4	256 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 256 Kbytes of Flash LCD, USB, AES-2 STM32L443RCT6 STMicroelectronics 1: $8.16 2,488In Stock	Mfr. Part No. STM32L443RCT6 Mouser Part No 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	$8.16 $5.99 $5.58 $4.91 View $4.66 $4.18	Min.: 1 Mult.: 1 Max.: 500	STM32L443RC	SMD/SMT	LQFP-64	ARM Cortex M4	256 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 512 kbytes of Flash , DFSDM STM32L451CEU6TR STMicroelectronics 1: $8.29 1,622In Stock	Mfr. Part No. STM32L451CEU6TR Mouser Part No 511-STM32L451CEU6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM	Datasheet	1,622In Stock	Cut Tape $8.29 $5.79 $5.53 $4.82 Reel $4.82 MouseReel Available	Min.: 1 Mult.: 1 Max.: 300 : 2,500	STM32L451CE	SMD/SMT	QFN-48	ARM Cortex M4	512 kB	32 bit	12 bit	80 MHz	38 I/O	160 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 256 kbytes of Flash , DFSDM STM32L451RCT6 STMicroelectronics 1: $5.60 3,447In Stock	Mfr. Part No. STM32L451RCT6 Mouser Part No 511-STM32L451RCT6	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	3,447In Stock	$5.60 $4.47 $4.17 $3.89 View $3.81 $3.51 $3.50	Min.: 1 Mult.: 1 Max.: 960	STM32L451RC	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	52 I/O	160 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 256 kbytes of Flash , DFSDM STM32L451VCT6 STMicroelectronics 1: $7.59 1,731In Stock	Mfr. Part No. STM32L451VCT6 Mouser Part No 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	1,731In Stock	$7.59 $5.42 $4.99 $4.71 $4.58	Min.: 1 Mult.: 1 Max.: 500	STM32L451VC	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	83 I/O	160 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 512 kbytes of Flash , DFSDM STM32L451VET6 STMicroelectronics 1: $8.79 358In Stock	Mfr. Part No. STM32L451VET6 Mouser Part No 511-STM32L451VET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	358In Stock	$8.79 $6.32 $5.83 $5.52 $5.37	Min.: 1 Mult.: 1 Max.: 250	STM32L451VE	SMD/SMT	LQFP-100	ARM Cortex M4	512 kB	32 bit	12 bit	80 MHz	83 I/O	160 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray