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STM32L4 Series ARM Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) 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 , USB STM32L412KBU3 STMicroelectronics 1: S/15.84 2,497In Stock	Mfr. Part # STM32L412KBU3 Mouser Part # 511-STM32L412KBU3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB	Datasheet	2,497In Stock	S/15.84 S/12.34 S/11.44 S/10.94 View S/10.67 S/10.04	Min.: 1 Mult.: 1 Max.: 500	STM32L4	SMD/SMT	QFN-32	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	26 I/O	40 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 STM32L431KCU6TR STMicroelectronics 1: S/24.68 56In Stock 69,000On Order	Mfr. Part # STM32L431KCU6TR Mouser Part # 511-STM32L431KCU6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash	Datasheet	56In Stock 69,000On Order On Order Ship Dates Mfr. #: STM32L431KCU6TR Stock: 56 Can Ship Immediately On Order: 12,000 Expected 10/1/2026 6,000 Expected 10/2/2026 51,000 TBD Factory Lead-Time: 52 Weeks	Cut Tape S/24.68 S/16.97 S/15.80 S/13.90 View Reel S/11.09 S/13.20 S/11.83 S/11.68 S/11.09 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	STM32L4	SMD/SMT	QFN-32	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	26 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 256 Kbytes of Flash memor STM32L432KCU6TR STMicroelectronics 1: S/25.07 48In Stock 9,000On Order	Mfr. Part # STM32L432KCU6TR Mouser Part # 511-STM32L432KCU6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 256 Kbytes of Flash memor	Datasheet	48In Stock 9,000On Order	Cut Tape S/25.07 S/18.68 S/16.97 S/15.45 View Reel S/12.38 S/15.03 S/13.27 S/12.96 S/12.38 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	STM32L4														Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash USB OTG, DFSDM STM32L475RET6TR STMicroelectronics 1: S/36.51 128In Stock	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	128In Stock	Cut Tape S/36.51 S/27.75 S/25.61 S/23.20 Reel S/23.20 MouseReel Available	Min.: 1 Mult.: 1 Max.: 100 : 1,000	STM32L4	SMD/SMT	LQFP-64	ARM Cortex M4	512 kB	32 bit	3 x 12 bit	80 MHz	51 I/O	128 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 512 Kbytes of Flash LCD, USB OTG, D STM32L476VET6TR STMicroelectronics 1: S/41.81 5In Stock	Mfr. Part # STM32L476VET6TR Mouser Part # 511-STM32L476VET6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash LCD, USB OTG, D	Datasheet	5In Stock	Cut Tape S/41.81 S/32.31 S/30.83 S/26.78 View Reel S/23.55 S/25.57 S/24.17 S/23.55	Min.: 1 Mult.: 1 : 1,000	STM32L4	SMD/SMT	LQFP-100	ARM Cortex M4	512 kB	32 bit	12 bit	80 MHz	82 I/O	128 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 512 kbytes of Flash USB Device, AES STM32L462VET6TR STMicroelectronics 1: S/36.59 993On Order	Mfr. Part # STM32L462VET6TR Mouser Part # 511-STM32L462VET6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, AES	Datasheet	993On Order	Cut Tape S/36.59 S/28.30 S/26.16 S/23.67 Reel S/23.67 MouseReel Available	Min.: 1 Mult.: 1 Max.: 150 : 1,000	STM32L4	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	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes Flash, USB STM32L412C8T6TR STMicroelectronics 2,400: S/8.49 Non-Stocked Lead-Time 52 Weeks New Product	Mfr. Part # STM32L412C8T6TR Mouser Part # 511-STM32L412C8T6TR New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes Flash, USB	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel S/8.49	Min.: 2,400 Mult.: 2,400 : 2,400	STM32L4	SMD/SMT	LQFP-48	ARM Cortex M4	64 kB	32 bit	12 bit	48 MHz	38 I/O	40 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 64 Kbytes of Flash, USB STM32L412T8Y6TR STMicroelectronics 5,000: S/7.36 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L412T8Y6TR Mouser Part # 511-STM32L412T8Y6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash, USB	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel S/7.36	Min.: 5,000 Mult.: 5,000 : 5,000	STM32L4														Reel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes Flash, USB STM32L412TBY3TR STMicroelectronics 5,000: S/9.54 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L412TBY3TR Mouser Part # 511-STM32L412TBY3TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes Flash, USB	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel S/9.54	Min.: 5,000 Mult.: 5,000 : 5,000	STM32L4	SMD/SMT	WLCSP-36	ARM Cortex M4F	128 kB	32 bit	12 bit	80 MHz	30 I/O	40 kB	1.71 V	3.6 V	- 40 C	+ 125 C	Reel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes Flash, USB Device, DFSDM STM32L452CEU3TR STMicroelectronics 2,500: S/19.23 Non-Stocked Lead-Time 52 Weeks New Product	Mfr. Part # STM32L452CEU3TR Mouser Part # 511-STM32L452CEU3TR New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes Flash, USB Device, DFSDM	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel S/19.23	Min.: 2,500 Mult.: 2,500 : 2,500	STM32L4	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	+ 125 C	Reel
ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 512 kbytes of Flash memory, USB Device, DFSDM STM32L452REY3TR STMicroelectronics 5,000: S/18.88 Non-Stocked Lead-Time 52 Weeks New Product	Mfr. Part # STM32L452REY3TR Mouser Part # 511-STM32L452REY3TR New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 512 kbytes of Flash memory, USB Device, DFSDM	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel S/18.88	Min.: 5,000 Mult.: 5,000 : 5,000	STM32L4	SMD/SMT	CSP-64	ARM Cortex M4	512 kB	32 bit	12 bit	80 MHz	52 I/O	160 kB	1.71 V	3.6 V	- 40 C	+ 125 C	Reel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash , DFSDM STM32L471QEI6TR STMicroelectronics 2,500: S/22.85 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L471QEI6TR Mouser Part # 511-STM32L471QEI6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash , DFSDM	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel S/22.85	Min.: 2,500 Mult.: 2,500 : 2,500	STM32L4	SMD/SMT	UFBGA-132	ARM Cortex M4	512 kB	32 bit	12 bit	80 MHz	109 I/O	128 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 512 Kbytes of Flash , DFSDM STM32L471QEI7TR STMicroelectronics 2,500: S/24.44 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L471QEI7TR Mouser Part # 511-STM32L471QEI7TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash , DFSDM	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel S/24.44	Min.: 2,500 Mult.: 2,500 : 2,500	STM32L4	SMD/SMT	UFBGA-132	ARM Cortex M4	512 kB	32 bit	12 bit	80 MHz	109 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 105 C	Reel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash , DFSDM STM32L471ZET6TR STMicroelectronics 500: S/25.57 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L471ZET6TR Mouser Part # 511-STM32L471ZET6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash , DFSDM	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel S/25.57	Min.: 500 Mult.: 500 : 500	STM32L4	SMD/SMT	LQFP-144	ARM Cortex M4	512 kB	32 bit	12 bit	80 MHz	114 I/O	128 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 1 Mbyte of Flash USB OTG, LCD, AES- STM32L4A6VGT6P STMicroelectronics 540: S/31.84 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L4A6VGT6P Mouser Part # 511-STM32L4A6VGT6P	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash USB OTG, LCD, AES- Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	Non-Stocked Lead-Time 52 Weeks	S/31.84	Min.: 540 Mult.: 540	STM32L4	SMD/SMT	LQFP-100	ARM Cortex M4	1 MB	32 bit	3 x 12 bit	80 MHz	136 I/O	320 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 STMicroelectronics STM32L412KBT6TR STM32L412KBT6TR STMicroelectronics 2,400: S/9.11 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L412KBT6TR Mouser Part # 511-STM32L412KBT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash, USB	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel S/9.11	Min.: 2,400 Mult.: 2,400 : 2,400	STM32L4														Reel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes Flash STMicroelectronics STM32L431CBT3 STM32L431CBT3 STMicroelectronics 1,500: S/11.87 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L431CBT3 Mouser Part # 511-STM32L431CBT3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes Flash	Datasheet	Non-Stocked Lead-Time 52 Weeks	S/11.87	Min.: 1,500 Mult.: 1,500	STM32L4	SMD/SMT	LQFP-48	ARM Cortex M4F	128 kB	32 bit	12 bit	80 MHz	39 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 Flash STMicroelectronics STM32L431CBT3TR STM32L431CBT3TR STMicroelectronics 2,400: S/11.72 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # STM32L431CBT3TR Mouser Part # 511-STM32L431CBT3TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes Flash	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel S/11.72	Min.: 2,400 Mult.: 2,400 : 2,400	STM32L4	SMD/SMT	LQFP-48	ARM Cortex M4F	128 kB	32 bit	12 bit	80 MHz	39 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 125 C	Reel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes Flash memory, DFSDM STMicroelectronics STM32L451VEI6TR STM32L451VEI6TR STMicroelectronics 2,500: S/19.31 Non-Stocked Lead-Time 52 Weeks New Product	Mfr. Part # STM32L451VEI6TR Mouser Part # 511-STM32L451VEI6TR New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes Flash memory, DFSDM	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel S/19.31	Min.: 2,500 Mult.: 2,500 : 2,500	STM32L4														Reel

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