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256 kB ARM Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU EFM32PG23B210F256IM48-C Silicon Labs 1: £2.95 2,501In Stock	Mfr. Part No. EFM32PG23B210F256IM48-C Mouser Part No 634-PG23210F256IM48C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	2,501In Stock	£2.95 £2.20 £2.01 £1.81 View £1.70 £1.67 £1.58 £1.53 £1.50	Min.: 1 Mult.: 1	PG23	SMD/SMT	QFN-48	ARM Cortex M33	256 kB	32 bit	12 bit/16 bit/20 bit	80 MHz	34 I/O	64 kB	1.71 V	3.8 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash CY8C4248AZI-L475 Infineon Technologies 1: £9.40 580In Stock	Mfr. Part No. CY8C4248AZI-L475 Mouser Part No 727-CY8C4248AZI-L475	Infineon Technologies	ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash Learn More about Infineon Technologies cypress psoc 4l soc	Datasheet	580In Stock	£9.40 £7.38 £6.56 £6.16 View £6.14 £5.83 £5.76 £5.73 Quote	Min.: 1 Mult.: 1	PSOC 4200	SMD/SMT	TQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	53 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash CY8C4248AZI-L485 Infineon Technologies 1: £10.12 986In Stock	Mfr. Part No. CY8C4248AZI-L485 Mouser Part No 727-CY8C4248AZI-L485	Infineon Technologies	ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash Learn More about Infineon Technologies cypress psoc 4l soc	Datasheet	986In Stock	£10.12 £7.96 £7.09 £6.67 View £6.64 £6.25 £6.10 Quote	Min.: 1 Mult.: 1	PSOC 4200	SMD/SMT	TQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	53 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU IOT-PSOC6 CY8C6244AZI-S4D93 Infineon Technologies 1: £4.79 1,697In Stock	Mfr. Part No. CY8C6244AZI-S4D93 Mouser Part No 727-CY8C6244AZIS4D93	Infineon Technologies	ARM Microcontrollers - MCU IOT-PSOC6 Learn More about Infineon Technologies infineon psoc 62 mcus	Datasheet	1,697In Stock	£4.79 £3.68 £3.22 £3.06 View £3.05 £2.89 £2.68 Quote	Min.: 1 Mult.: 1	PSOC 62	SMD/SMT	TQFP-80	ARM Cortex M0+, ARM Cortex M4	256 kB	32 bit	12 bit	100 MHz, 150 MHz	62 I/O	128 kB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Smart Sensor ASSP/ASIC with 256kB Flash ADUCM356BCCZ Analog Devices 1: £24.48 153In Stock	Mfr. Part No. ADUCM356BCCZ Mouser Part No 584-ADUCM356BCCZ	Analog Devices	ARM Microcontrollers - MCU Smart Sensor ASSP/ASIC with 256kB Flash Learn More about Analog Devices adi aducm356 microcontrollers	Datasheet	153In Stock	£24.48 £20.62 £19.69 £17.62 View £16.46 £16.32 Quote	Min.: 1 Mult.: 1	ADUCM356	SMD/SMT	LGA-72	ARM Cortex M3	256 kB	32 bit	16 bit	26 MHz	17 I/O	64 kB	2.8 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU LPC55S16JEV59 NXP Semiconductors LPC55S16JEV59E LPC55S16JEV59E NXP Semiconductors 1: £5.83 465In Stock	Mfr. Part No. LPC55S16JEV59E Mouser Part No 771-LPC55S16JEV59E	NXP Semiconductors	ARM Microcontrollers - MCU LPC55S16JEV59	Datasheet	465In Stock	£5.83 £4.51 £3.98 £3.82 View £3.54 £3.45 £3.40	Min.: 1 Mult.: 1	LPC55S1x	SMD/SMT	VFBGA-59	ARM Cortex M33	256 kB	32 bit	16 bit	150 MHz	37 I/O	96 kB	1.8 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU XMC4000 Infineon Technologies XMC4200Q48K256BAXUMA1 XMC4200Q48K256BAXUMA1 Infineon Technologies 1: £6.89 4,555In Stock 12,500On Order	Mfr. Part No. XMC4200Q48K256BAXUMA1 Mouser Part No 726-XMC4200Q48K256BA	Infineon Technologies	ARM Microcontrollers - MCU XMC4000 Learn More about Infineon Technologies infineon xmc4000 mcus	Datasheet	4,555In Stock 12,500On Order On Order Ship Dates Mfr. No: XMC4200Q48K256BAXUMA1 Stock: 4,555 Can Dispatch Immediately On Order: 5,000 Expected 03/12/2026 7,500 TBD Factory Lead Time: 13 Weeks	Cut Tape £6.89 £5.34 £4.72 £4.53 View Reel £3.75 £4.49 £4.00 £3.92 £3.75 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	XMC4200	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit/16 bit	12 bit	80 MHz	21 I/O	40 kB	3 V	3.63 V	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU STM32U073MCT6 STMicroelectronics 1: £3.31 66In Stock 714Expected 07/06/2027	Mfr. Part No. STM32U073MCT6 Mouser Part No 511-STM32U073MCT6	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	66In Stock 714Expected 07/06/2027	£3.31 £2.28 £2.10 £1.99	Min.: 1 Mult.: 1 Max.: 250	STM32U0			ARM Cortex M0	256 kB			48 MHz								Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash STM32U535CCU6Q STMicroelectronics 1: £5.12 70In Stock	Mfr. Part No. STM32U535CCU6Q Mouser Part No 511-STM32U535CCU6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	70In Stock	£5.12 £3.94 £3.46 £3.30 View £3.06 £2.85 £2.79 Quote	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	UFQFPN-48	ARM Cortex M33	256 kB	32 bit	12 bit, 14 bit	160 MHz	33 I/O	574 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash STM32U535RCI6Q STMicroelectronics 1: £5.90 76In Stock	Mfr. Part No. STM32U535RCI6Q Mouser Part No 511-STM32U535RCI6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	76In Stock	£5.90 £4.48 £4.00 £3.73 View £3.64 £3.43 £3.38 £3.33 Quote	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	UFBGA-64	ARM Cortex M33	256 kB	32 bit	12 bit	160 MHz		274 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash STM32U535VCI6 STMicroelectronics 1: £6.59 150In Stock	Mfr. Part No. STM32U535VCI6 Mouser Part No 511-STM32U535VCI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	150In Stock	£6.59 £5.04 £4.48 £4.21 View £4.10 £3.86 £3.81 £3.63	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	UFBGA-100	ARM Cortex M33	256 kB	32 bit	12 bit	160 MHz		274 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM STM32WL33CCV6 STMicroelectronics 1: £4.91 40In Stock 5,880Expected 22/10/2027	Mfr. Part No. STM32WL33CCV6 Mouser Part No 511-STM32WL33CCV6	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	40In Stock 5,880Expected 22/10/2027	£4.91 £3.87 £3.68 £3.35 View £3.22 £3.13 £3.06 Quote	Min.: 1 Mult.: 1	STM32WL33	SMD/SMT	VFQFPN-48	ARM Cortex M0+	256 kB	32 bit	12 bit	64 MHz	32 I/O	32 KB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM STM32WL33KCV7 STMicroelectronics 1: £4.84 141In Stock	Mfr. Part No. STM32WL33KCV7 Mouser Part No 511-STM32WL33KCV7	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	141In Stock	£4.84 £3.84 £3.68 £3.35 View £3.26 £3.14 £3.13 £3.09 Quote	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	+ 105 C		Tray
ARM Microcontrollers - MCU BLIZZARD 157 BGA TM4C123BH6NMRI7R Texas Instruments 1: £11.72 950In Stock	Mfr. Part No. TM4C123BH6NMRI7R Mouser Part No 595-TM4C123BH6NMRI7R	Texas Instruments	ARM Microcontrollers - MCU BLIZZARD 157 BGA Learn More about Texas Instruments ti tiva C	Datasheet	950In Stock	Cut Tape £11.72 £8.91 £8.55 £7.53 View Reel £6.70 £7.16 £6.92 £6.70 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000		SMD/SMT	NFBGA-157	ARM Cortex M4	256 kB	32 bit	2 x 12 bit	80 MHz	120 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU BLIZZARD 157 BGA TM4C123GH6NMRI7R Texas Instruments 1: £14.23 990In Stock	Mfr. Part No. TM4C123GH6NMRI7R Mouser Part No 595-TM4C123GH6NMRI7R	Texas Instruments	ARM Microcontrollers - MCU BLIZZARD 157 BGA Learn More about Texas Instruments ti tiva C	Datasheet	990In Stock	£14.23 £10.81 £10.36 £9.13 View £8.68 £8.39 £8.13 Quote	Min.: 1 Mult.: 1		SMD/SMT	NFBGA-157	ARM Cortex M4	256 kB	32 bit	2 x 12 bit	80 MHz	120 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4148AZS-S545 Infineon Technologies 1: £7.11 800In Stock	Mfr. Part No. CY8C4148AZS-S545 Mouser Part No 726-CY8C4148AZS-S545	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies infineon psoc 4100s max	Datasheet	800In Stock	£7.11 £5.33 £5.08 £4.41 View £4.21 £3.83 £3.65 £3.60 Quote	Min.: 1 Mult.: 1	PSOC 4100S Max	SMD/SMT	TQFP-64	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	54 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Tray
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4148AZSS565XQLA1 Infineon Technologies 1: £7.43 800In Stock	Mfr. Part No. CY8C4148AZSS565XQLA1 Mouser Part No 726-CY8C4148AZSS565X	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies infineon psoc 4100s max	Datasheet	800In Stock	£7.43 £5.57 £5.32 £4.61 View £4.41 £4.02 £3.82 £3.76 Quote	Min.: 1 Mult.: 1	PSOC 4100S Max	SMD/SMT	TQFP-64	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	54 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Tray
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4148AZSS585XQLA1 Infineon Technologies 1: £7.66 800In Stock	Mfr. Part No. CY8C4148AZSS585XQLA1 Mouser Part No 726-CY8C4148AZSS585X	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies infineon psoc 4100s max	Datasheet	800In Stock	£7.66 £5.93 £5.65 £4.91 View £4.69 £4.27 £4.05 £3.95 Quote	Min.: 1 Mult.: 1	PSOC 4100S Max	SMD/SMT	TQFP-64	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	54 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Tray
ARM Microcontrollers - MCU TRAVEO-2 BODY HIGH-END CYT3BB7CEBQ1AEEGS Infineon Technologies 1: £12.51 300In Stock	Mfr. Part No. CYT3BB7CEBQ1AEEGS Mouser Part No 726-CYT3BB7CEBQ1AEEG	Infineon Technologies	ARM Microcontrollers - MCU TRAVEO-2 BODY HIGH-END Learn More about Infineon Technologies infineon cyt3bb cyt4bb auto mcus	Datasheet	300In Stock	£12.51 £9.90 £7.96 £7.87 View Quote	Min.: 1 Mult.: 1	CYT3BB	SMD/SMT	TEQFP-144	ARM Cortex M7	256 kB	32 bit	12 bit			768 kB	2.7 V	5.5 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU EMBEDDED_POWER TLE98932QKW62SXUMA1 Infineon Technologies 1: £8.86 178In Stock 1,900On Order	Mfr. Part No. TLE98932QKW62SXUMA1 Mouser Part No 726-TLE98932QKW62SXU	Infineon Technologies	ARM Microcontrollers - MCU EMBEDDED_POWER Learn More about Infineon Technologies infineon motix tle989x microcontrollers	Datasheet	178In Stock 1,900On Order	Cut Tape £8.86 £6.89 £6.57 £5.71 View Reel £4.60 £5.45 £4.97 £4.70 £4.60 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,900	TLE989x	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	10 bit, 12 bit	60 MHz	25 I/O	32 kB	5.5 V	28 V	- 40 C	+ 175 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU EMBEDDED_POWER TLE9893QKW62SXUMA1 Infineon Technologies 1: £8.68 152In Stock	Mfr. Part No. TLE9893QKW62SXUMA1 Mouser Part No 726-TLE9893QKW62SXUM	Infineon Technologies	ARM Microcontrollers - MCU EMBEDDED_POWER Learn More about Infineon Technologies infineon motix tle989x microcontrollers	Datasheet	152In Stock	Cut Tape £8.68 £6.75 £6.44 £5.60 View Reel £4.24 £5.33 £4.87 £4.60 £4.24 Quote	Min.: 1 Mult.: 1 : 1,900	TLE989x	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	10 bit, 12 bit	60 MHz	25 I/O	32 kB	5.5 V	28 V	- 40 C	+ 175 C		Reel, Cut Tape
ARM Microcontrollers - MCU MCX A14 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 64 BGA MCXA144VMP NXP Semiconductors 1: £3.26 536In Stock	Mfr. Part No. MCXA144VMP Mouser Part No 771-MCXA144VMP	NXP Semiconductors	ARM Microcontrollers - MCU MCX A14 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 64 BGA Learn More about NXP Semiconductors nxp mcx a mcus	Datasheet	536In Stock	£3.26 £2.47 £2.16 £2.03 View £1.98 £1.79 £1.68	Min.: 1 Mult.: 1	MCX A	SMD/SMT	LFBGA-64	ARM Cortex M33	256 kB		16 bit	48 MHz	50 I/O	64 kB			- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU MCX A14 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 112 BGA MCXA144VPJ NXP Semiconductors 1: £3.95 260In Stock	Mfr. Part No. MCXA144VPJ Mouser Part No 771-MCXA144VPJ	NXP Semiconductors	ARM Microcontrollers - MCU MCX A14 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 112 BGA Learn More about NXP Semiconductors nxp mcx a mcus	Datasheet	260In Stock	£3.95 £2.44 £2.23 £2.21 View £2.19 £1.85 £1.74 £1.72 £1.69	Min.: 1 Mult.: 1	MCX A	SMD/SMT	VFBGA-112	ARM Cortex M33	256 kB		16 bit	48 MHz	82 I/O	64 kB			- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU MCX A15 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 64 BGA MCXA154VMP NXP Semiconductors 1: £3.40 638In Stock	Mfr. Part No. MCXA154VMP Mouser Part No 771-MCXA154VMP	NXP Semiconductors	ARM Microcontrollers - MCU MCX A15 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 64 BGA Learn More about NXP Semiconductors nxp mcx a mcus	Datasheet	638In Stock	£3.40 £2.58 £2.25 £2.12 View £2.06 £1.87 £1.82 £1.77 £1.74	Min.: 1 Mult.: 1	MCX A	SMD/SMT	LFBGA-64	ARM Cortex M33	256 kB		16 bit	96 MHz	50 I/O	64 kB			- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU MCX A15 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 112 BGA MCXA154VPJ NXP Semiconductors 1: £3.06 258In Stock	Mfr. Part No. MCXA154VPJ Mouser Part No 771-MCXA154VPJ	NXP Semiconductors	ARM Microcontrollers - MCU MCX A15 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 112 BGA Learn More about NXP Semiconductors nxp mcx a mcus	Datasheet	258In Stock	£3.06 £2.31 £2.02 £1.92 View £1.82 £1.75 £1.68 £1.65	Min.: 1 Mult.: 1	MCX A	SMD/SMT	VFBGA-112	ARM Cortex M33	256 kB		16 bit	96 MHz	82 I/O	64 kB			- 40 C	+ 125 C		Tray