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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 High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl STM32F446ZCJ6 STMicroelectronics 1: $11.06 2,016Expected 2027/02/22	Mfr. Part No. STM32F446ZCJ6 Mouser Part No 511-STM32F446ZCJ6	STMicroelectronics	ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl Learn More about STMicroelectronics stm32f4	Datasheet	2,016Expected 2027/02/22	$11.06 $8.61 $7.62 $7.21 View $7.04 $6.42 $6.28	Min.: 1 Mult.: 1	STM32F446ZC	SMD/SMT	LFBGA-144	ARM Cortex M4	256 kB	32 bit	3 x 12 bit	180 MHz	114 I/O	128 kB	3.3 V	3.3 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl STM32F446ZCT6 STMicroelectronics 1: $10.70 358Expected 2027/02/26	Mfr. Part No. STM32F446ZCT6 Mouser Part No 511-STM32F446ZCT6	STMicroelectronics	ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl Learn More about STMicroelectronics stm32f4	Datasheet	358Expected 2027/02/26	$10.70 $8.30 $7.63 $7.04 $6.84	Min.: 1 Mult.: 1	STM32F446ZC	SMD/SMT	LQFP-144	ARM Cortex M4	256 kB	32 bit	3 x 12 bit	180 MHz	114 I/O	128 kB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 256 Kbytes of Flash 216 MHz CPU, A STM32F722VCT6 STMicroelectronics 1: $13.70 540Expected 2027/03/03	Mfr. Part No. STM32F722VCT6 Mouser Part No 511-STM32F722VCT6	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	540Expected 2027/03/03	$13.70 $10.44 $9.93 $9.51 View $9.33 $8.91	Min.: 1 Mult.: 1	STM32F722VC	SMD/SMT	LQFP-100	ARM Cortex M7	256 kB	32 bit	3 x 12 bit	216 MHz	82 I/O	256 kB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 256KB Flash 144KB RAM STM32G0B1KCT6 STMicroelectronics 1: $5.13 6,000On Order	Mfr. Part No. STM32G0B1KCT6 Mouser Part No 511-STM32G0B1KCT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 256KB Flash 144KB RAM Learn More about STMicroelectronics stm stm32g0 microcontrollers	Datasheet	6,000On Order On Order Ship Dates Mfr. No: STM32G0B1KCT6 Stock: 0 On Order: 1,500 Expected 2027/02/22 3,000 Expected 2027/10/25 1,500 TBD Factory Lead Time: 52 Weeks	$5.13 $3.72 $3.34 $3.07 View $2.92 $2.74	Min.: 1 Mult.: 1 Max.: 750	STM32G0	SMD/SMT		ARM Cortex M0+	256 kB	32 bit	12 bit	64 MHz	30 I/O	144 kB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 256Kbytes of Flash Math Accel, High Analog l STM32G473CCU6 STMicroelectronics 1: $7.73 1,560On Order	Mfr. Part No. STM32G473CCU6 Mouser Part No 511-STM32G473CCU6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 256Kbytes of Flash Math Accel, High Analog l Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	1,560On Order	$7.73 $5.97 $5.34 $5.02	Min.: 1 Mult.: 1 Max.: 150	STM32G4	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 kB	32 bit	5 x 12 bit	170 MHz	42 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523CCT6 STMicroelectronics 1: $5.18 1,481Expected 2026/12/24	Mfr. Part No. STM32H523CCT6 Mouser Part No 511-STM32H523CCT6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	1,481Expected 2026/12/24	$5.18 $3.70 $3.35 $3.05 View $3.02 $2.77	Min.: 1 Mult.: 1	STM32H5	SMD/SMT	LQFP-48	ARM Cortex M33	256 kB	32 bit	12 bit	250 MHz		272 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523RCT6 STMicroelectronics 1: $5.28 1,910Expected 2027/03/24	Mfr. Part No. STM32H523RCT6 Mouser Part No 511-STM32H523RCT6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	1,910Expected 2027/03/24	$5.28 $4.01 $3.56 $3.34 $3.07	Min.: 1 Mult.: 1	STM32H5	SMD/SMT	LQFP-64	ARM Cortex M33	256 kB	32 bit	12 bit	250 MHz		272 kB	1.71 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523VCI6 STMicroelectronics 1: $6.54 2,486Expected 2027/05/10	Mfr. Part No. STM32H523VCI6 Mouser Part No 511-STM32H523VCI6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	2,486Expected 2027/05/10	$6.54 $4.87 $4.42 $4.04 View $3.97 $3.65	Min.: 1 Mult.: 1	STM32H5	SMD/SMT	UFBGA-100	ARM Cortex M33	256 kB	32 bit	12 bit	250 MHz		272 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523VCT6 STMicroelectronics 1: $5.98 540Expected 2027/04/26	Mfr. Part No. STM32H523VCT6 Mouser Part No 511-STM32H523VCT6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	540Expected 2027/04/26	$5.98 $4.56 $3.99 $3.81 View $3.78 $3.31	Min.: 1 Mult.: 1	STM32H5	SMD/SMT	LQFP-100	ARM Cortex M33	256 kB	32 bit	12 bit	250 MHz		272 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz STM32L151CCT6 STMicroelectronics 1: $8.84 1,987Expected 2027/02/26	Mfr. Part No. STM32L151CCT6 Mouser Part No 511-STM32L151CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	1,987Expected 2027/02/26	$8.84 $6.77 $6.02 $5.65 View $5.40 $5.34	Min.: 1 Mult.: 1	STM32L151CC	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 128 Kbytes 32 MHz STM32L151RCT6 STMicroelectronics 1: $8.91 1,920Expected 2027/03/01	Mfr. Part No. STM32L151RCT6 Mouser Part No 511-STM32L151RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	1,920Expected 2027/03/01	$8.91 $6.77 $6.25 $5.59 View $5.47 $5.13	Min.: 1 Mult.: 1	STM32L151RC	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 256 Kbytes of Flash , LCD, USB STM32L433CCT3 STMicroelectronics 1: $7.34 2,660On 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	2,660On Order On Order Ship Dates Mfr. No: STM32L433CCT3 Stock: 0 On Order: 1,160 Expected 2027/02/22 1,500 Expected 2027/10/25 Factory Lead Time: 52 Weeks	$7.34 $5.54 $4.95 $4.62 $4.51	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 USB Device, DFS STM32L452VCT6 STMicroelectronics 1: $8.35 2,700On Order	Mfr. Part No. STM32L452VCT6 Mouser Part No 511-STM32L452VCT6	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	2,700On Order	$8.35 $6.02 $5.59 $5.11	Min.: 1 Mult.: 1 Max.: 200	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
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash USB OTG, DFSDM STM32L475RCT6 STMicroelectronics 1: $7.77 1,920On Order	Mfr. Part No. STM32L475RCT6 Mouser Part No 511-STM32L475RCT6	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	1,920On Order	$7.77 $5.98 $5.48 $5.04	Min.: 1 Mult.: 1 Max.: 300	STM32L475RC	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	3 x 12 bit	80 MHz	51 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU STM32U073CCT6 STMicroelectronics 1: $4.02 7,483On Order	Mfr. Part No. STM32U073CCT6 Mouser Part No 511-STM32U073CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU Learn More about STMicroelectronics stm stm32u0 low power mcus	Datasheet	7,483On Order On Order Ship Dates Mfr. No: STM32U073CCT6 Stock: 0 On Order: 2,983 Expected 2026/11/12 4,500 Expected 2027/01/25 Factory Lead Time: 52 Weeks	$4.02 $3.02 $2.62 $2.49 View $2.36 $2.28 $2.27	Min.: 1 Mult.: 1 Max.: 1,500	STM32U0			ARM Cortex M0	256 kB			48 MHz								Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU STM32U083CCT6 STMicroelectronics 1: $4.42 2,928Expected 2027/01/25	Mfr. Part No. STM32U083CCT6 Mouser Part No 511-STM32U083CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU Learn More about STMicroelectronics stm stm32u0 low power mcus	Datasheet	2,928Expected 2027/01/25	$4.42 $3.34 $2.90 $2.67 $2.54	Min.: 1 Mult.: 1 Max.: 500	STM32U0			ARM Cortex M0	256 kB			48 MHz								Tray
ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM STM32WL33KCV6 STMicroelectronics 1: $6.42 2,940Expected 2027/01/29	Mfr. Part No. STM32WL33KCV6 Mouser Part No 511-STM32WL33KCV6	STMicroelectronics	ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM Learn More about STMicroelectronics stm32wl33x mcus	Datasheet	2,940Expected 2027/01/29	$6.42 $5.50 $5.19 $4.71 View $4.61 $4.43	Min.: 1 Mult.: 1	STM32WL33	SMD/SMT	VFQFPN-32	ARM Cortex M0+	256 kB	32 bit	12 bit	64 MHz	17 I/O	32 KB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 ATSAM3U4EA-CU Microchip Technology 1: $9.96 184Expected 2027/03/11	Mfr. Part No. ATSAM3U4EA-CU Mouser Part No 556-ATSAM3U4EA-CU	Microchip Technology	ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 Learn More about Microchip Technology microchip sam3u mcus	Datasheet	184Expected 2027/03/11	$9.96 $9.04 $8.19	Min.: 1 Mult.: 1	SAM3U	SMD/SMT	LFBGA-144	ARM Cortex M3	256 kB	32 bit	12 bit	96 MHz	96 I/O	52 kB	1.62 V	1.95 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU QFN,GREEN,IND TEMP,MRL A ATSAM4LS4AA-MU Microchip Technology 1: $6.61 416Expected 2027/01/26	Mfr. Part No. ATSAM4LS4AA-MU Mouser Part No 556-ATSAM4LS4AA-MU	Microchip Technology	ARM Microcontrollers - MCU QFN,GREEN,IND TEMP,MRL A Learn More about Microchip Technology atmel atsam4l	Datasheet	416Expected 2027/01/26	$6.61 $6.02 $5.45	Min.: 1 Mult.: 1	SAM4L	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	32 I/O	32 kB	1.62 V	1.98 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU TQFP, Green, IND TEMP, CRYPTO, MRL A ATSAM4LS4BA-AU Microchip Technology 1: $6.78 636On Order	Mfr. Part No. ATSAM4LS4BA-AU Mouser Part No 556-ATSAM4LS4BA-AU	Microchip Technology	ARM Microcontrollers - MCU TQFP, Green, IND TEMP, CRYPTO, MRL A Learn More about Microchip Technology atmel atsam4l	Datasheet	636On Order On Order Ship Dates Mfr. No: ATSAM4LS4BA-AU Stock: 0 On Order: 156 Expected 2026/11/09 480 Expected 2027/01/21 Factory Lead Time: 18 Weeks	$6.78 $6.16 $5.59	Min.: 1 Mult.: 1	SAM4L	SMD/SMT	TQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	48 I/O	32 kB	1.62 V	1.98 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU LQFP,GREEN,IND TEMP,MRL A ATSAM4S4CA-AUR Microchip Technology 1: $5.58 981Expected 2026/12/21	Mfr. Part No. ATSAM4S4CA-AUR Mouser Part No 556-ATSAM4S4CA-AUR	Microchip Technology	ARM Microcontrollers - MCU LQFP,GREEN,IND TEMP,MRL A Learn More about Microchip Technology atmelsam4s	Datasheet	981Expected 2026/12/21	Cut Tape $5.58 $5.38 Reel $4.61	Min.: 1 Mult.: 1 : 1,000	SAM4S	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	120 MHz	79 I/O	64 kB	1.62 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape
ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123GH6PZTR A A 595-TM4C123GH6PZTR TM4C123GH6PZT Texas Instruments 1: $20.00 180Expected 2026/11/16	Mfr. Part No. TM4C123GH6PZT Mouser Part No 595-TM4C123GH6PZT	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123GH6PZTR A A 595-TM4C123GH6PZTR Learn More about Texas Instruments ti tiva C	Datasheet	180Expected 2026/11/16	$20.00 $14.91 $13.82 $12.92	Min.: 1 Mult.: 1	TM4C123GH6PZ	SMD/SMT	LQFP-100	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	69 I/O	32 kB	1.2 V	1.2 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU PSoC5LP CY8C5888LTQ-LP097 Infineon Technologies 1: $29.25 468Expected 2026/11/05	Mfr. Part No. CY8C5888LTQ-LP097 Mouser Part No 727-CY8C5888LTQLP097	Infineon Technologies	ARM Microcontrollers - MCU PSoC5LP Learn More about Infineon Technologies cypress psoc 5lp socs	Datasheet	468Expected 2026/11/05	$29.25 $23.62 $21.43 $19.81 View $19.63 $19.62	Min.: 1 Mult.: 1		SMD/SMT	QFN-68	ARM Cortex M3	256 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU S32K118, 48LQFP FS32K118LFT0MLFR NXP Semiconductors 1: $6.11 1,997In Stock	Mfr. Part No. FS32K118LFT0MLFR Mouser Part No 771-FS32K118LFT0MLFR	NXP Semiconductors	ARM Microcontrollers - MCU S32K118, 48LQFP Learn More about NXP Semiconductors nxp s32k mcus	Datasheet	1,997In Stock	Cut Tape $6.11 $4.55 $4.14 $3.76 View Reel $2.93 $3.65 $3.31 $3.16 $2.93	Min.: 1 Mult.: 1 : 2,000	S32K11x	SMD/SMT	LQFP-48	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	43 I/O	25 kB	2.7 V	5.5 V	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape
ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3 LPC1549JBD48QL NXP Semiconductors 1: $16.01 250Expected 2027/05/03	Mfr. Part No. LPC1549JBD48QL Mouser Part No 771-LPC1549JBD48QL	NXP Semiconductors	ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp lpc1500 series	Datasheet	250Expected 2027/05/03	$16.01 $12.18 $11.66 $10.70 View $9.09 Quote	Min.: 1 Mult.: 1	LPC1500	SMD/SMT	LQFP-48	ARM Cortex M3	256 kB	32 bit	2 x 12 bit	72 MHz	30 I/O	36 kB	2.4 V	3.6 V	- 40 C	+ 105 C		Tray