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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	Packaging
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU EFM32PG1B200F256GM48-C0 Silicon Labs 1: £5.19 11In Stock	Mfr. Part No. EFM32PG1B200F256GM48-C0 Mouser Part No 634-PG1B200F256G48C0	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU Learn More about Silicon Labs silabs efm32 pearl gecko mcu	Datasheet	11In Stock	£5.19 £3.98 £3.68 £3.34 View £3.19 £3.08 £3.05 £3.01	Min.: 1 Mult.: 1	EFM32PG	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	40 MHz	32 I/O	32 kB	1.85 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU EFM32PG1B200F256GM32-C0 Silicon Labs 1: £4.98 2In Stock	Mfr. Part No. EFM32PG1B200F256GM32-C0 Mouser Part No 634-PG1B200F256GM32C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU Learn More about Silicon Labs silabs efm32 pearl gecko mcu	Datasheet	2In Stock	£4.98 £3.82 £3.52 £3.20 View £3.05 £2.96 £2.92 £2.89	Min.: 1 Mult.: 1	EFM32PG	SMD/SMT	QFN-32	ARM Cortex M4	256 kB	32 bit	12 bit	40 MHz	20 I/O	32 kB	1.85 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU LowPwr Cortex M3w/256kEmbedded Flash/ADC ADUCM3029BCPZ Analog Devices 1: £24.14 1In Stock	Mfr. Part No. ADUCM3029BCPZ Mouser Part No 584-ADUCM3029BCPZ	Analog Devices	ARM Microcontrollers - MCU LowPwr Cortex M3w/256kEmbedded Flash/ADC Learn More about Analog Devices adi aducm3027 aducm3029 ulp mcu	Datasheet	1In Stock	£24.14 £20.78 £17.29 £16.42 View £16.12 £15.90 Quote	Min.: 1 Mult.: 1	ADUCM3029	SMD/SMT	LFCSP-64	ARM Cortex M3	256 kB	32 bit	12 bit	26 MHz	44 I/O	64 kB	1.74 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU CORTEX M4F 96MHZ ME11, TQFN 3X3 MAX32660GTG+T Analog Devices / Maxim Integrated 1: £3.73 4In Stock	Mfr. Part No. MAX32660GTG+T Mouser Part No 700-MAX32660GTG+T	Analog Devices / Maxim Integrated	ARM Microcontrollers - MCU CORTEX M4F 96MHZ ME11, TQFN 3X3 Learn More about Analog Devices / Maxim Integrated maxim max32660 mcu	Datasheet	4In Stock	Cut Tape £3.73 £3.11 £2.73 £2.60 View £2.23 £2.17 Quote MouseReel Available	Min.: 1 Mult.: 1	MAX32660	SMD/SMT	TQFN-24	ARM Cortex M4	256 kB	32 bit	No ADC	96 MHz	14 I/O	96 kB	1.045 V	1.155 V	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU M4 CORE 96MHZ, 256KB/96KB, TQFN 3X3 MAX32660GTGBL+ Analog Devices / Maxim Integrated 1: £5.88 13In Stock	Mfr. Part No. MAX32660GTGBL+ Mouser Part No 700-MAX32660GTGBL+	Analog Devices / Maxim Integrated	ARM Microcontrollers - MCU M4 CORE 96MHZ, 256KB/96KB, TQFN 3X3 Learn More about Analog Devices / Maxim Integrated maxim max32660 mcu	Datasheet	13In Stock	£5.88 £4.11 £3.92 £3.40 View £3.25 £2.80 £2.74 £2.63 Quote	Min.: 1 Mult.: 1	MAX32660	SMD/SMT	TQFN-24	ARM Cortex M4	256 kB	32 bit	No ADC	96 MHz	14 I/O	96 kB	1.045 V	1.155 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU K32 L2A 64LQFP NXP Semiconductors K32L2A31VLH1A K32L2A31VLH1A NXP Semiconductors 1: £7.21 17In Stock	Mfr. Part No. K32L2A31VLH1A Mouser Part No 771-K32L2A31VLH1A	NXP Semiconductors	ARM Microcontrollers - MCU K32 L2A 64LQFP Learn More about NXP Semiconductors nxp k32 l2 mcus	Datasheet	17In Stock	£7.21 £5.40 £5.15 £4.48 View £4.26 £3.88 £3.69 £3.64 Quote	Min.: 1 Mult.: 1	K32 L2	SMD/SMT		ARM Cortex M0+	256 kB	32 bit	16 bit	72 MHz	50 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 48QFN 85C, GREEN,1.6-3.6V,32MHz ATSAML22G18A-MUT Microchip Technology 1: £3.98 1In Stock	Mfr. Part No. ATSAML22G18A-MUT Mouser Part No 556-ATSAML22G18A-MUT	Microchip Technology	ARM Microcontrollers - MCU 48QFN 85C, GREEN,1.6-3.6V,32MHz Learn More about Microchip Technology atmel sam l22	Datasheet	1In Stock	Cut Tape £3.98 £3.84 Reel £3.27 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SAML22	SMD/SMT	VQFN-48	ARM Cortex M0+	256 kB	32 bit	12 bit	32 MHz	36 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU CM23, ULP, Touch, Security, 256K Flash, 100 Pin TQFP PIC32CM2532LS00100-I/PF Microchip Technology 1: £3.32 145In Stock	Mfr. Part No. PIC32CM2532LS00100-I/PF Mouser Part No 579-2532LS00100IPF	Microchip Technology	ARM Microcontrollers - MCU CM23, ULP, Touch, Security, 256K Flash, 100 Pin TQFP Learn More about Microchip Technology microchip pic32cm lx mcus	Datasheet	145In Stock	£3.32 £3.04 £2.76	Min.: 1 Mult.: 1		SMD/SMT	TQFP-100	ARM Cortex M23	256 kB	32 bit	12 bit	48 MHz	80 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C1230H6PMI7R TM4C1230H6PMI7 Texas Instruments 1: £11.34 57In Stock	Mfr. Part No. TM4C1230H6PMI7 Mouser Part No 595-TM4C1230H6PMI7	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C1230H6PMI7R Learn More about Texas Instruments ti tiva C	Datasheet	57In Stock	£11.34 £8.61 £8.26 £6.35 View £6.34 £6.29 Quote	Min.: 1 Mult.: 1	TM4C1230H6PM	SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	49 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C1233H6PGEI7 TM4C1233H6PGEI7R Texas Instruments 1: £14.14 6In Stock	Mfr. Part No. TM4C1233H6PGEI7R Mouser Part No 595-TM4C1233H6PGEI7R	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C1233H6PGEI7 Learn More about Texas Instruments ti tiva C	Datasheet	6In Stock	Cut Tape £14.14 £10.75 £10.30 £9.08 View Reel £7.71 £8.63 £7.71 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	TM4C1233H6PGE	SMD/SMT	LQFP-144		256 kB								- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C1236H6PMIR A A 595-TM4C1236H6PMIR TM4C1236H6PMI Texas Instruments 1: £14.05 33In Stock	Mfr. Part No. TM4C1236H6PMI Mouser Part No 595-TM4C1236H6PMI	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C1236H6PMIR A A 595-TM4C1236H6PMIR Learn More about Texas Instruments ti tiva C	Datasheet	33In Stock	£14.05 £11.35 £10.89 £9.07 View £8.83 £8.64 £8.55 Quote	Min.: 1 Mult.: 1	TM4C1236H6PM	SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	49 I/O	32 kB	3.3 V	3.3 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C123AH6PMI7R TM4C123AH6PMI7 Texas Instruments 1: £13.01 39In Stock	Mfr. Part No. TM4C123AH6PMI7 Mouser Part No 595-TM4C123AH6PMI7	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C123AH6PMI7R Learn More about Texas Instruments ti tiva C	Datasheet	39In Stock	£13.01 £9.87 £9.46 £7.25 View £7.24 £7.20 Quote	Min.: 1 Mult.: 1	TM4C123AH6PM	SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	49 I/O	32 kB	1.08 V	3.63 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C123BH6PGEI7R TM4C123BH6PGEI7 Texas Instruments 1: £14.38 5In Stock	Mfr. Part No. TM4C123BH6PGEI7 Mouser Part No 595-TM4C123BH6PGEI7	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C123BH6PGEI7R Learn More about Texas Instruments ti tiva C	Datasheet	5In Stock	£14.38 £10.92 £10.48 £7.84 Quote Quote	Min.: 1 Mult.: 1	TM4C123BH6PGE	SMD/SMT	LQFP-144	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	105 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123BH6PZI A A 595-TM4C123BH6PZI TM4C123BH6PZIR Texas Instruments 1: £11.53 6In Stock	Mfr. Part No. TM4C123BH6PZIR Mouser Part No 595-TM4C123BH6PZIR	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123BH6PZI A A 595-TM4C123BH6PZI Learn More about Texas Instruments ti tiva C	Datasheet	6In Stock	Cut Tape £11.53 £8.76 £8.40 £7.40 View Reel £6.58 £7.04 £6.80 £6.58 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	TM4C123BH6PZ	SMD/SMT	LQFP-100	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	69 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU LPC55S66JEV98 LPC55S66JEV98E NXP Semiconductors 1: £8.20 247In Stock	Mfr. Part No. LPC55S66JEV98E Mouser Part No 771-LPC55S66JEV98E	NXP Semiconductors	ARM Microcontrollers - MCU LPC55S66JEV98 Learn More about NXP Semiconductors nxp lpc55s6x mcu	Datasheet	247In Stock	£8.20 £6.34 £6.04 £5.25 View £5.01 £4.57 £4.32 Quote	Min.: 1 Mult.: 1	LPC55S6x	SMD/SMT	VFBGA-98	ARM Cortex M33	256 kB	32 bit	16 bit	150 MHz	64 I/O	144 kB	1.8 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU Cortex M0+Core,Flex USB & Segment LCD MKL17Z256VMP4R NXP Semiconductors 1: £7.73 245In Stock	Mfr. Part No. MKL17Z256VMP4R Mouser Part No 841-MKL17Z256VMP4R	NXP Semiconductors	ARM Microcontrollers - MCU Cortex M0+Core,Flex USB & Segment LCD Learn More about NXP Semiconductors nxp kinetis kl1x mcu	Datasheet	245In Stock	Cut Tape £7.73 £5.98 £5.71 £4.96 View Reel £4.09 £4.73 £4.31 £4.10 £4.09 Quote	Min.: 1 Mult.: 1 : 2,500	KL1x	SMD/SMT	MAPBGA-64	ARM Cortex M0+	256 kB	32 bit	16 bit	48 MHz	54 I/O	32 kB	1.71 V	3.6 V	- 40 C	+ 105 C	Reel, Cut Tape
ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN STM32C542KCT6 STMicroelectronics 1: £2.50 1In Stock 1,500Expected 28/12/2026 New Product	Mfr. Part No. STM32C542KCT6 Mouser Part No 511-STM32C542KCT6 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	1In Stock 1,500Expected 28/12/2026	£2.50 £1.63 £1.49	Min.: 1 Mult.: 1 Max.: 50	STM32C5	SMD/SMT	LQFP-32	ARM Cortex M33	256 kB	32 bit	12 bit	144 MHz	25 I/O	64 kB	2.7 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU VA42630 - ARM Cortex M4 MCU - Rad. Tolerant - 256KB NVM - 176 Plastic QFP VA42630-PQ176P0PBA VORAGO 1: £1,643.37 25On Order New At Mouser	Mfr. Part No. VA42630-PQ176P0PBA Mouser Part No 466-A42630PQ176P0PBA 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.	Datasheet	25On Order	£1,643.37	Min.: 1 Mult.: 1		SMD/SMT	PQFP-176	ARM Cortex M4	256 kB	32 bit							- 40 C	+ 85 C
ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, STM32F105VCT6V STMicroelectronics 1: £12.56 515In Stock NRND	Mfr. Part No. STM32F105VCT6V Mouser Part No 511-STM32F105VCT6V NRND	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, Learn More about STMicroelectronics stm32f105	Datasheet	515In Stock	£12.56 £9.84 £9.11 £8.42 View £8.13 £7.93 £7.44 Quote	Min.: 1 Mult.: 1	STM32F105VC	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	80 I/O	64 kB	2 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 STM32L433RCI3 STMicroelectronics 1: £5.78 1,448In Stock	Mfr. Part No. STM32L433RCI3 Mouser Part No 511-STM32L433RCI3	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	1,448In Stock	£5.78 £4.37 £3.90 £3.66 View £3.57 £3.27 £3.22 £3.17 Quote	Min.: 1 Mult.: 1	STM32L433RC	SMD/SMT	UFBGA-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
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 STM32L443RCI6 STMicroelectronics 1: £5.98 518In Stock	Mfr. Part No. STM32L443RCI6 Mouser Part No 511-STM32L443RCI6	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	518In Stock	£5.98 £4.48 £4.05 £3.73 View £3.49 £3.26 £3.19 £3.13 Quote	Min.: 1 Mult.: 1	STM32L443RC	SMD/SMT	UFBGA-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
ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB EFM32WG380F256-B-QFP100 Silicon Labs 1: £11.57 1,800Expected 27/11/2026 NRND	Mfr. Part No. EFM32WG380F256-B-QFP100 Mouser Part No 634-WG380F256BQFP100 NRND	Silicon Labs	ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB Learn More about Silicon Labs silabs efm32 wonder gecko mcu	Datasheet	1,800Expected 27/11/2026	£11.57 £9.06 £8.43 £7.74 View £7.67 £7.21 £7.05 Quote	Min.: 1 Mult.: 1	EFM32WG	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	83 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Value line MCU 256 Kbytes of Flash , 48 MHz CPU STM32F030CCT6TR STMicroelectronics 1: £4.24 38,110On Order	Mfr. Part No. STM32F030CCT6TR Mouser Part No 511-STM32F030CCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Value line MCU 256 Kbytes of Flash , 48 MHz CPU Learn More about STMicroelectronics stm32f0	Datasheet	38,110On Order On Order Ship Dates Mfr. No: STM32F030CCT6TR Stock: 0 On Order: 9,310 Expected 02/12/2026 28,800 Expected 20/09/2027 Factory Lead Time: 40 Weeks	Cut Tape £4.24 £2.42 £2.23 £2.01 View Reel £1.74 £1.84 £1.74 £1.74 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32F030CC	SMD/SMT	LQFP-48	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	37 I/O	32 kB	2.4 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU STM32F303CCT6 STMicroelectronics 1: £7.11 3,000On Order	Mfr. Part No. STM32F303CCT6 Mouser Part No 511-STM32F303CCT6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU Learn More about STMicroelectronics stm 32f3	Datasheet	3,000On Order	£7.11 £5.51 £4.86 £4.37 £4.32	Min.: 1 Mult.: 1	STM32F3	SMD/SMT	LQFP-48	ARM Cortex M4	256 kB	32 bit	4 x 6 bit/8 bit/10 bit/12 bit	72 MHz	37 I/O	40 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F401RCT6TR STMicroelectronics 1: £4.73 9,974On Order	Mfr. Part No. STM32F401RCT6TR Mouser Part No 511-STM32F401RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm32f4	Datasheet	9,974On Order On Order Ship Dates Mfr. No: STM32F401RCT6TR Stock: 0 On Order: 7,974 Expected 09/03/2027 2,000 TBD Factory Lead Time: 52 Weeks	Cut Tape £4.73 £3.62 £3.17 £3.03 £2.80 Reel £2.72 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F401RC	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit	84 MHz	50 I/O	64 kB	1.7 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel