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256 kB 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	Qualification	Packaging
ARM Microcontrollers - MCU MCX A15 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 64 QFP MCXA154VLH NXP Semiconductors 1: $3.76 800Expected 2026/11/17 New Product	Mfr. Part No. MCXA154VLH Mouser Part No 771-MCXA154VLH New Product	NXP Semiconductors	ARM Microcontrollers - MCU MCX A15 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 64 QFP Learn More about NXP Semiconductors nxp mcx a mcus	Datasheet	800Expected 2026/11/17	$3.76 $2.83 $2.47 $2.28 View $2.27 $2.12 $2.11 $2.05	Min.: 1 Mult.: 1	MCX A	SMD/SMT	LQFP-64	ARM Cortex M33	256 kB	32 bit	12 bit	96 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU KINETIS 256K Flex USB MK20DX256VLK10 NXP Semiconductors 1: $15.65 416Expected 2026/11/09	Mfr. Part No. MK20DX256VLK10 Mouser Part No 841-MK20DX256VLK10	NXP Semiconductors	ARM Microcontrollers - MCU KINETIS 256K Flex USB Learn More about NXP Semiconductors nxp kinetis k2x mcu	Datasheet	416Expected 2026/11/09	$15.65 $12.37 $10.68 $10.34 View $10.06 $9.71 $9.49 Quote	Min.: 1 Mult.: 1	K20_100	SMD/SMT	LQFP-80	ARM Cortex M4	256 kB	32 bit	2 x 16 bit	100 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Kinetis L 32-bit MCU, ARM Cortex-M0+ core, 256KB Flash, 48MHz, USB, QFP 64 MKL26Z256VLH4 NXP Semiconductors 1: $12.15 799Expected 2026/11/04	Mfr. Part No. MKL26Z256VLH4 Mouser Part No 841-MKL26Z256VLH4	NXP Semiconductors	ARM Microcontrollers - MCU Kinetis L 32-bit MCU, ARM Cortex-M0+ core, 256KB Flash, 48MHz, USB, QFP 64 Learn More about NXP Semiconductors nxp kinetis kl2x mcu	Datasheet	799Expected 2026/11/04	$12.15 $9.69 $8.62 $8.09 View $8.04 $7.51 $7.07 Quote	Min.: 1 Mult.: 1	KL2x	SMD/SMT	LQFP-64	ARM Cortex M0+	256 kB	32 bit	16 bit	48 MHz	50 I/O	32 kB	1.71 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFP48 R7FA4M1AB3CFL#AA0 Renesas Electronics 1: $5.86 3,040Expected 2027/01/29	Mfr. Part No. R7FA4M1AB3CFL#AA0 Mouser Part No 968-7FA4M1AB3CFL#AA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFP48 Learn More about Renesas Electronics renesas ra4m1 mcu	Datasheet	3,040Expected 2027/01/29	$5.86 $4.48 $3.93 $3.76 View $3.56 $3.45 $3.44 Quote	Min.: 1 Mult.: 1	RA4M1	SMD/SMT	LQFP-48	ARM Cortex M4	256 kB	32 bit	14 bit	48 MHz	36 I/O	32 kB	1.6 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 256K/128K QFP100 R7FA4M2AB3CFP#AA0 Renesas Electronics 1: $6.00 990Expected 2026/11/11	Mfr. Part No. R7FA4M2AB3CFP#AA0 Mouser Part No 968-7FA4M2AB3CFP#AA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 256K/128K QFP100 Learn More about Renesas Electronics renesas ra4m2 mcus	Datasheet	990Expected 2026/11/11	$6.00 $4.59 $3.87 $3.72 View $3.54 Quote	Min.: 1 Mult.: 1	RA4M2	SMD/SMT	LQFP-100	ARM Cortex M33	256 kB	32 bit	12 bit	100 MHz	77 I/O	128 kB	2.7 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHZ 256K/32K QFN40 R7FA4M1AB3CNF#AA0 Renesas Electronics 1: $5.78 980On Order	Mfr. Part No. R7FA4M1AB3CNF#AA0 Mouser Part No 968-R7FA4M1AB3CNFAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHZ 256K/32K QFN40 Learn More about Renesas Electronics renesas ra4m1 mcu	Datasheet	980On Order On Order Ship Dates Mfr. No: R7FA4M1AB3CNF#AA0 Stock: 0 On Order: 93 Expected 2026/11/10 887 Expected 2027/02/18 Factory Lead Time: 18 Weeks	$5.78 $4.42 $3.88 $3.71 View $3.42 $3.33 $3.26 Quote	Min.: 1 Mult.: 1	RA4M1	SMD/SMT	QFN-40	ARM Cortex M4	256 kB	32 bit	14 bit	48 MHz	28 I/O	32 kB	1.6 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Stellaris Cortex M-3 CAN 10-Bit ADC LM3S2965-IQC50-A2 Texas Instruments 1: $54.57 88Expected 2027/02/25 NRND	Mfr. Part No. LM3S2965-IQC50-A2 Mouser Part No 868-LM3S2965-IQC50 NRND	Texas Instruments	ARM Microcontrollers - MCU Stellaris Cortex M-3 CAN 10-Bit ADC Learn More about Texas Instruments ti processors solutions	Datasheet	88Expected 2027/02/25	$54.57 $44.80 $43.37	Min.: 1 Mult.: 1	LM3S2965	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	10 bit	50 MHz	56 I/O	64 kB	2.25 V	2.75 V	- 40 C	+ 85 C		Tube
ARM Microcontrollers - MCU VA42630 - ARM Cortex M4 MCU - Rad. Tolerant - 256KB NVM - 176 Plastic QFP VA42620-PQ176P0EAA-ES VORAGO 1: $558.82 1Expected 2026/11/04 New At Mouser	Mfr. Part No. VA42620-PQ176P0EAA-ES Mouser Part No 466-2620PQ176P0EAAES New At Mouser	VORAGO	ARM Microcontrollers - MCU VA42630 - ARM Cortex M4 MCU - Rad. Tolerant - 256KB NVM - 176 Plastic QFP Learn More about VORAGO va4 radiation hardened mcus This product may require additional documentation to export from the United States.		1Expected 2026/11/04	$558.82 $488.38	Min.: 1 Mult.: 1		SMD/SMT	PQFP-176	ARM Cortex M4	256 kB	32 bit	12 bit		104 I/O	64 kB	1.35 V	1.65 V	- 40 C	+ 85 C
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091CCU7 STMicroelectronics 1: $8.02 61In Stock	Mfr. Part No. STM32F091CCU7 Mouser Part No 511-STM32F091CCU7	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C Learn More about STMicroelectronics stm32f0	Datasheet	61In Stock	$8.02 $5.61 $5.35 $4.64 View $4.43 $4.23 $4.02 $3.95 Quote	Min.: 1 Mult.: 1	STM32F091CC	SMD/SMT	UFQFPN-48	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	38 I/O	32 kB	2 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Mainstream Value line Arm Cortex-M3 MCU 256 Kbytes 24 MHz CPU motor control CEC STM32F100RCT7B STMicroelectronics 1: $9.44 260In Stock	Mfr. Part No. STM32F100RCT7B Mouser Part No 511-STM32F100RCT7B	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Value line Arm Cortex-M3 MCU 256 Kbytes 24 MHz CPU motor control CEC Learn More about STMicroelectronics stm32f1	Datasheet	260In Stock	$9.44 $7.08 $6.76 $5.86 View $5.61 $5.11 $5.04 Quote	Min.: 1 Mult.: 1	STM32F1	SMD/SMT		ARM Cortex M3	256 kB	32 bit	12 bit	24 MHz	51 I/O	24 kB	2 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU ARM 32Bit Value Line 144-Pin 256kB Flash STM32F100ZCT6B STMicroelectronics 1: $9.87 25In Stock	Mfr. Part No. STM32F100ZCT6B Mouser Part No 511-STM32F100ZCT6B	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 144-Pin 256kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	25In Stock	$9.87 $7.66 $6.44 $6.11 View $5.78 $5.70 Quote	Min.: 1 Mult.: 1	STM32F100ZC	SMD/SMT	LQFP-144	ARM Cortex M3	256 kB	32 bit	12 bit	24 MHz	112 I/O	24 kB	2 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 512KB 144KB RAM 6x USART timers ADC D STM32G0C1RCT3 STMicroelectronics Restricted Availability	Mfr. Part No. STM32G0C1RCT3 Mouser Part No 511-STM32G0C1RCT3	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 512KB 144KB RAM 6x USART timers ADC D Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability		SMD/SMT	LQFP-64	ARM Cortex M0+	256 kB	32 bit	12 bit	64 MHz	60 I/O	144 kB	1.7 V	3.6 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 256 Kbytes STM32WB35CCU7A STMicroelectronics 1: $8.57 147In Stock	Mfr. Part No. STM32WB35CCU7A Mouser Part No 511-STM32WB35CCU7A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 256 Kbytes Learn More about STMicroelectronics stm stm32wb wireless mcu	Datasheet	147In Stock	$8.57 $6.47 $6.18 $5.51 View $5.13 $4.94 $4.65 $4.64	Min.: 1 Mult.: 1	STM32WB	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 kB	32 bit	12 bit	32 MHz	72 I/O	256 kB	1.71 V	3.6 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 256 Kbytes STM32WB55CCU7 STMicroelectronics 1: $8.40 44In Stock	Mfr. Part No. STM32WB55CCU7 Mouser Part No 511-STM32WB55CCU7	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 256 Kbytes Learn More about STMicroelectronics stm stm32wb wireless mcu	Datasheet	44In Stock	$8.40 $6.76 $6.40 $5.69 View $5.42 $5.18 $5.07	Min.: 1 Mult.: 1	STM32WB	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 kB	32 bit	12 bit	64 MHz	30 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU M23-256Kflash+32KRAM+UART+SPI+I2C+PWM+ADC+USB+RTC M252SG6AE Nuvoton 1: $4.58 250Expected 2027/06/18	Mfr. Part No. M252SG6AE Mouser Part No 503-M252SG6AE	Nuvoton	ARM Microcontrollers - MCU M23-256Kflash+32KRAM+UART+SPI+I2C+PWM+ADC+USB+RTC Learn More about Nuvoton m251 m252 mcus	Datasheet	250Expected 2027/06/18	$4.58 $3.04 $2.76 $2.35 View $2.05 $1.97	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M23	256 kB	32 bit	12 bit	48 MHz	49 I/O	32 kB	1.75 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, USB, AES, TRNG M482SGCAE Nuvoton 1: $5.98 250Expected 2027/06/29	Mfr. Part No. M482SGCAE Mouser Part No 503-M482SGCAE	Nuvoton	ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, USB, AES, TRNG Learn More about Nuvoton m482 usb fs otg mcus	Datasheet	250Expected 2027/06/29	$5.98 $4.42 $4.04 $3.65 View $3.45 $3.02	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	12 bit	192 MHz	52 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, USB, Dual CAN, M483SGCAE Nuvoton 1: $5.23 250Expected 2026/11/05	Mfr. Part No. M483SGCAE Mouser Part No 503-M483SGCAE	Nuvoton	ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, USB, Dual CAN, Learn More about Nuvoton m483 can mcus	Datasheet	250Expected 2026/11/05	$5.23 $4.35 $3.83 $3.64 View $3.54 $3.29	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	12 bit	192 MHz	52 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU M0-256Kflash+20KRAM+UART+SPI+I2C+PWM+ADC+USB+RTC NUC029SGE Nuvoton 1: $5.50 250Expected 2027/08/11	Mfr. Part No. NUC029SGE Mouser Part No 503-NUC029SGE	Nuvoton	ARM Microcontrollers - MCU M0-256Kflash+20KRAM+UART+SPI+I2C+PWM+ADC+USB+RTC	Datasheet	250Expected 2027/08/11	$5.50 $3.64 $3.33 $2.93 View $2.43 $2.20	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	72 MHz	49 I/O	20 kB	2.5 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN STM32C542RCT6 STMicroelectronics 1: $2.71 951Expected 2027/10/11 New Product	Mfr. Part No. STM32C542RCT6 Mouser Part No 511-STM32C542RCT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN Learn More about STMicroelectronics st stm32c5 arm core mainstream mcus	Datasheet	951Expected 2027/10/11	$2.71 $2.01 $1.73 $1.60	Min.: 1 Mult.: 1 Max.: 100	STM32C5	SMD/SMT	LQFP-64	ARM Cortex M33	256 kB	32 bit	12 bit	144 MHz	52 I/O	64 kB	2.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU MCU, Cortex M4F, 120MHz, 256KB Flash/ 18KB RAM, LQFP44 TMPM4H1FYUG(DBB) Toshiba 1: $4.49 160Expected 2027/03/01 New Product	Mfr. Part No. TMPM4H1FYUG(DBB) Mouser Part No 757-TMPM4H1FYUGDBB New Product	Toshiba	ARM Microcontrollers - MCU MCU, Cortex M4F, 120MHz, 256KB Flash/ 18KB RAM, LQFP44 Learn More about Toshiba txz plus tmpm4h mcus	Datasheet	160Expected 2027/03/01	$4.49 $4.18 $4.04 $3.95 View $3.85 $3.72 $3.63	Min.: 1 Mult.: 1	TMPM4H	SMD/SMT	LQFP-44	ARM Cortex M4F	256 kB	32 bit	9 bit	120 MHz	33	18 kB	2.7 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU MCU, Cortex M4F, 120MHz, 256KB Flash/ 18KB RAM, LQFP48 TMPM4H2FYDUG(DBB) Toshiba 1: $4.49 250Expected 2027/03/01 New Product	Mfr. Part No. TMPM4H2FYDUG(DBB) Mouser Part No 757-TMPM4H2FYDUGDBB New Product	Toshiba	ARM Microcontrollers - MCU MCU, Cortex M4F, 120MHz, 256KB Flash/ 18KB RAM, LQFP48 Learn More about Toshiba txz plus tmpm4h mcus	Datasheet	250Expected 2027/03/01	$4.49 $4.18 $4.04 $3.95 View $3.85 $3.72 $3.63	Min.: 1 Mult.: 1	TMPM4H	SMD/SMT	LQFP-48	ARM Cortex M4F	256 kB	32 bit	10 bit	120 MHz	37	18 kB	2.7 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU MCU, Cortex M4F, 120MHz, 256KB Flash/ 18KB RAM, LQFP64 TMPM4H4FYUG(DBB) Toshiba 1: $4.59 160Expected 2027/03/01 New Product	Mfr. Part No. TMPM4H4FYUG(DBB) Mouser Part No 757-TMPM4H4FYUGDBB New Product	Toshiba	ARM Microcontrollers - MCU MCU, Cortex M4F, 120MHz, 256KB Flash/ 18KB RAM, LQFP64 Learn More about Toshiba txz plus tmpm4h mcus	Datasheet	160Expected 2027/03/01	$4.59 $4.26 $4.13 $4.04 View $3.93 $3.80 $3.70	Min.: 1 Mult.: 1	TMPM4H	SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	12 bit	120 MHz	51	18 kB	2.7 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU S32K142, 256K Flash, 32K RAM FS32K142HAT0VLFT NXP Semiconductors 1: $8.51 25Expected 2026/10/29	Mfr. Part No. FS32K142HAT0VLFT Mouser Part No 771-FS32K142HAT0VLFT	NXP Semiconductors	ARM Microcontrollers - MCU S32K142, 256K Flash, 32K RAM Learn More about NXP Semiconductors nxp ev traction inverters	Datasheet	25Expected 2026/10/29	$8.51 $6.47 $5.97 $5.40 View $5.26 $4.83 $4.69	Min.: 1 Mult.: 1	S32K14x	SMD/SMT	LQFP-48	ARM Cortex M4F	256 kB	32 bit	2 x 12 bit	80 MHz	43 I/O	32 kB	2.7 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Tray
ARM Microcontrollers - MCU S32K142 32-bit MCU, ARM Cortex-M4F FS32K142HAT0VLHT NXP Semiconductors 1: $8.40 25Expected 2027/02/04	Mfr. Part No. FS32K142HAT0VLHT Mouser Part No 771-FS32K142HAT0VLHT	NXP Semiconductors	ARM Microcontrollers - MCU S32K142 32-bit MCU, ARM Cortex-M4F Learn More about NXP Semiconductors nxp s32k mcus	Datasheet	25Expected 2027/02/04	$8.40 $6.49 $5.73 $5.49 $4.81	Min.: 1 Mult.: 1	S32K14x	SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	2 x 12 bit	80 MHz	58 I/O	32 kB	2.7 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Tray
ARM Microcontrollers - MCU S32K142, M4F, Flash 256K, RAM 32KB FS32K142HAT0VLLT NXP Semiconductors 1: $9.35 25Expected 2026/10/29	Mfr. Part No. FS32K142HAT0VLLT Mouser Part No 771-FS32K142HAT0VLLT	NXP Semiconductors	ARM Microcontrollers - MCU S32K142, M4F, Flash 256K, RAM 32KB Learn More about NXP Semiconductors nxp s32k mcus	Datasheet	25Expected 2026/10/29	$9.35 $7.11 $6.57 $5.94 $5.18	Min.: 1 Mult.: 1	S32K14x	SMD/SMT	LQFP-100	ARM Cortex M4F	256 kB	32 bit	2 x 12 bit	80 MHz	89 I/O	32 kB	2.7 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Tray