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256 kB Embedded Processors & Controllers

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Program Memory Size = 256 kB

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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	Number of I/Os	Data Bus Width	ADC Resolution
ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F401CCU7 STMicroelectronics 1: $6.76 2,179In Stock	Mfr. Part # STM32F401CCU7 Mouser Part # 511-STM32F401CCU7	STMicroelectronics	ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm32f4	Datasheet	2,179In Stock	$6.76 $5.17 $4.54 $4.34 View $4.32 $3.78 $3.76 $3.75	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-48	ARM Cortex M4	36 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Cost effective DSP FPU ARM CortexM4 MCU STM32F401VCT6 STMicroelectronics 1: $7.33 741In Stock 1,080On Order	Mfr. Part # STM32F401VCT6 Mouser Part # 511-STM32F401VCT6	STMicroelectronics	ARM Microcontrollers - MCU Cost effective DSP FPU ARM CortexM4 MCU Learn More about STMicroelectronics stm32f4	Datasheet	741In Stock 1,080On Order	$7.33 $5.29 $4.98 $4.63 View $4.39 $4.29 $4.23 $4.17 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	81 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F411CCU6TR STMicroelectronics 1: $6.83 1,438In Stock	Mfr. Part # STM32F411CCU6TR Mouser Part # 511-STM32F411CCU6TR	STMicroelectronics	ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm32f4	Datasheet	1,438In Stock	Cut Tape $6.83 $5.23 $4.59 $4.39 View Reel $3.48 $4.35 $3.84 $3.52 $3.48	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	UFQFPN-48	ARM Cortex M4	36 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F411VCT6 STMicroelectronics 1: $7.63 922In Stock	Mfr. Part # STM32F411VCT6 Mouser Part # 511-STM32F411VCT6	STMicroelectronics	ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm32f4	Datasheet	922In Stock	$7.63 $5.45 $4.98 $4.97 View $4.60 $4.49 $4.29 $4.24 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	81 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 256 Kbytes of Flash 216 MHz CPU, A STM32F722RCT6 STMicroelectronics 1: $11.83 344In Stock	Mfr. Part # STM32F722RCT6 Mouser Part # 511-STM32F722RCT6	STMicroelectronics	ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 256 Kbytes of Flash 216 MHz CPU, A Learn More about STMicroelectronics stm stm32f7 mcu fpu	Datasheet	344In Stock	$11.83 $9.60 $8.79 $8.19 View $8.00 $7.71 $7.70	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M7	50 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 512KB Flash 144KB RAM STM32G0B1CET6N STMicroelectronics 1: $5.56 3,702In Stock 15,000On Order	Mfr. Part # STM32G0B1CET6N Mouser Part # 511-STM32G0B1CET6N	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 512KB Flash 144KB RAM Learn More about STMicroelectronics stm stm32g0b1 stm32g0c1 mcus	Datasheet	3,702In Stock 15,000On Order	$5.56 $4.24 $3.71 $3.54 View $3.37 $3.33	Min.: 1 Mult.: 1 Max.: 1,000	SMD/SMT		ARM Cortex M0+	42 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 256KB 144KB RAM 6x USART timers ADC D STM32G0B1KCU7 STMicroelectronics 1: $4.78 1,185In Stock 2,940On Order	Mfr. Part # STM32G0B1KCU7 Mouser Part # 511-STM32G0B1KCU7	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 256KB 144KB RAM 6x USART timers ADC D Learn More about STMicroelectronics stm stm32g0b1 stm32g0c1 mcus	Datasheet	1,185In Stock 2,940On Order	$4.78 $3.62 $3.16 $3.01	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	UFQFPN-32	ARM Cortex M0+	30 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz STM32L100RCT6 STMicroelectronics 1: $8.18 728In Stock	Mfr. Part # STM32L100RCT6 Mouser Part # 511-STM32L100RCT6	STMicroelectronics	ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	728In Stock	$8.18 $6.32 $5.57 $5.20 View $4.89 $4.88	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151CCT6TR STMicroelectronics 1: $8.84 353In Stock	Mfr. Part # STM32L151CCT6TR Mouser Part # 511-STM32L151CCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp Learn More about STMicroelectronics stm32l1	Datasheet	353In Stock	Cut Tape $8.84 $6.77 $6.02 $5.65 View Reel $4.28 $5.47 $4.95 $4.51 $4.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151CCU6TR STMicroelectronics 1: $8.34 3,005In Stock	Mfr. Part # STM32L151CCU6TR Mouser Part # 511-STM32L151CCU6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp Learn More about STMicroelectronics stm32l1	Datasheet	3,005In Stock	Cut Tape $8.34 $6.44 $5.68 $5.44 View Reel $4.35 $5.31 $4.85 $4.40 $4.35 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	UFQPFN-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz STM32L152CCT6 STMicroelectronics 1: $8.19 1,085In Stock	Mfr. Part # STM32L152CCT6 Mouser Part # 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	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz STM32L152RCT6 STMicroelectronics 1: $8.94 780In Stock	Mfr. Part # STM32L152RCT6 Mouser Part # 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	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
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 # 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	1,903In Stock	$5.81 $4.43 $3.88 $3.71	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	UFBGA-64	ARM Cortex M4	52 I/O	32 bit	12 bit
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 # STM32L433CCT3 Mouser Part # 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	SMD/SMT	LQFP-48	ARM Cortex M4	38 I/O	32 bit	12 bit
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 # 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	2,892In Stock	$6.11 $4.67 $4.09 $3.91 $3.61	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-48	ARM Cortex M4	38 I/O	32 bit	12 bit
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 # 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	893In Stock	$6.72 $5.16 $4.53 $4.33	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	QFN-48	ARM Cortex M4	38 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433CCU6 STMicroelectronics 1: $5.93 3,046In Stock 3,120On Order	Mfr. Part # STM32L433CCU6 Mouser Part # 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	3,046In Stock 3,120On Order	$5.93 $4.53 $3.97 $3.79 $3.49	Min.: 1 Mult.: 1 Max.: 750	SMD/SMT	UFQFPN-48	ARM Cortex M4	38 I/O	32 bit	12 bit
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 # STM32L433CCY6TR Mouser Part # 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	SMD/SMT	WLCSP-48	ARM Cortex M4	38 I/O	32 bit	12 bit
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 # STM32L433RCI6 Mouser Part # 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	SMD/SMT	UFBGA-64	ARM Cortex M4	52 I/O	32 bit	12 bit
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 # STM32L433RCT3 Mouser Part # 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. #: STM32L433RCT3 Stock: 476 Can Ship Immediately On Order: 604 Expected 9/28/2026 960 TBD Factory Lead-Time: 52 Weeks	$7.91 $6.01 $5.35 $5.01	Min.: 1 Mult.: 1 Max.: 100	SMD/SMT	LQFP-64	ARM Cortex M4	52 I/O	32 bit	12 bit
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 # 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	$8.16 $5.99 $5.58 $4.91 View $4.66 $4.18	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-64	ARM Cortex M4	52 I/O	32 bit	12 bit
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 # STM32L451RCT6 Mouser Part # 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	SMD/SMT	LQFP-64	ARM Cortex M4	52 I/O	32 bit	12 bit
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 # 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	1,731In Stock	$7.59 $5.42 $4.99 $4.71 $4.58	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-100	ARM Cortex M4	83 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS STM32L452CCU6 STMicroelectronics 1: $6.36 2,567In 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	2,567In Stock	$6.36 $4.86 $4.27 $4.08 $3.77	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	QFN-48	ARM Cortex M4	38 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash USB OTG, DFSDM STM32L475RCT3 STMicroelectronics 1: $8.80 491In Stock 960Expected 10/15/2026	Mfr. Part # STM32L475RCT3 Mouser Part # 511-STM32L475RCT3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash USB OTG, DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	491In Stock 960Expected 10/15/2026	$8.80 $6.81 $6.01 $5.76 $5.69	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	LQFP-64	ARM Cortex M4	51 I/O	32 bit	3 x 12 bit