STM32L4 32-Bit Low-Power Microcontrollers +FPU

STMicroelectronics STM32L4 32-Bit Low-Power Microcontrollers +FPU are ultralow-power MCUs based on the high-performance Arm® Cortex®-M4 32-bit RISC core operating at a frequency of up to 80MHz. The Cortex-M4 core features a Floating point unit (FPU) single precision which supports all ARM single-precision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security.

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Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
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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
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STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash
Datasheet
1,377In Stock
2,940On Order
Min.: 1
Mult.: 1

STM32L431KC SMD/SMT UFQFPN-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 Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash
Datasheet
951In Stock
1,370Expected 2026-03-12
Min.: 1
Mult.: 1

STM32L431RC 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
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash
Datasheet
2,133In Stock
Min.: 1
Mult.: 1

STM32L431VC SMD/SMT LQFP-100 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 83 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash
Datasheet
2,735In Stock
Min.: 1
Mult.: 1

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
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB
Datasheet
1,723In Stock
Min.: 1
Mult.: 1

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
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB
Datasheet
2,401In Stock
Min.: 1
Mult.: 1

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
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB
Datasheet
3,412In Stock
Min.: 1
Mult.: 1

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
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD
Datasheet
878In Stock
Min.: 1
Mult.: 1

STM32L433RB SMD/SMT LQFP-64 ARM Cortex M4 128 kB 32 bit 12 bit 80 MHz 52 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB
Datasheet
646In Stock
Min.: 1
Mult.: 1

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
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB
Datasheet
596In Stock
Min.: 1
Mult.: 1

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 + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB
Datasheet
696In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

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 + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB
Datasheet
1,053In Stock
Min.: 1
Mult.: 1

STM32L433VC SMD/SMT LQFP-100 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 83 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash USB, AES-256, D
Datasheet
530In Stock
Min.: 1
Mult.: 1

STM32L442KC 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 Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2
Datasheet
861In Stock
Min.: 1
Mult.: 1

STM32L443CC 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
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2
Datasheet
1,405In Stock
Min.: 1
Mult.: 1

STM32L443CC 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 + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2
Datasheet
1,273In Stock
1,920Expected 2026-02-12
Min.: 1
Mult.: 1

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
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM
Datasheet
1,006In Stock
Min.: 1
Mult.: 1

STM32L451RE SMD/SMT LQFP-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 + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS
Datasheet
1,966In Stock
Min.: 1
Mult.: 1

STM32L452CC SMD/SMT QFN-48 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 38 I/O 160 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, DFS
Datasheet
1,800In Stock
Min.: 1
Mult.: 1

STM32L452CE 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 Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS
Datasheet
745In Stock
Min.: 1
Mult.: 1

STM32L452RC 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
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, DFS
Datasheet
2,198In Stock
Min.: 1
Mult.: 1

STM32L452RE SMD/SMT UFBGA-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 + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS
Datasheet
571In Stock
Min.: 1
Mult.: 1

STM32L452VC 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
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, DFS
Datasheet
845In Stock
Min.: 1
Mult.: 1

STM32L452VE 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
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, AES
Datasheet
1,135In Stock
Min.: 1
Mult.: 1

STM32L462RE SMD/SMT LQFP-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 + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash , DFSDM
Datasheet
1,418In Stock
Min.: 1
Mult.: 1

STM32L471RG SMD/SMT LQFP-64 ARM Cortex M4 1 MB 32 bit 3 x 12 bit 80 MHz 51 I/O 128 kB 1.71 V 3.6 V - 40 C + 85 C Tray