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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 Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash STM32L431KCU6TR STMicroelectronics 1: £4.76 5,632In Stock 51,000On Order	Mfr. Part No. STM32L431KCU6TR Mouser Part No 511-STM32L431KCU6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash	Datasheet	5,632In Stock 51,000On Order	Cut Tape £4.76 £3.27 £3.05 £2.44 View Reel £2.11 £2.25 £2.23 £2.11 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	STM32L4	SMD/SMT	QFN-32	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	26 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM STM32L451CCU3 STMicroelectronics 1: £5.47 4,847In Stock	Mfr. Part No. STM32L451CCU3 Mouser Part No 511-STM32L451CCU3	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	4,847In Stock	£5.47 £4.20 £3.68 £3.53	Min.: 1 Mult.: 1 Max.: 100	STM32L451CC	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	38 I/O	160 kB	1.71 V	3.6 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 256 kbytes of Flash STM32L552CCU6 STMicroelectronics 1: £7.10 7,457In Stock	Mfr. Part No. STM32L552CCU6 Mouser Part No 511-STM32L552CCU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 256 kbytes of Flash Learn More about STMicroelectronics stm stm32 l5 mcus	Datasheet	7,457In Stock	£7.10 £5.59 £5.10 £4.73 View £4.52 £4.32	Min.: 1 Mult.: 1 Max.: 750	STM32L5	SMD/SMT	UFQFPN-48	ARM Cortex M33	256 kB	32 bit	2 x 12 bit	110 MHz	38 I/O	256 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU AT91SAM7S256D-AU Microchip Technology 1: £8.45 3,691In Stock	Mfr. Part No. AT91SAM7S256D-AU Mouser Part No 556-AT91SAM7S256D-AU	Microchip Technology	ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU	Datasheet	3,691In Stock	£8.45 £7.69 £6.95	Min.: 1 Mult.: 1	SAM7S/SE	SMD/SMT	LQFP-64	ARM7TDMI	256 kB	32 bit/16 bit	10 bit	55 MHz	32 I/O	64 kB	1.65 V	1.95 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Cortex-M0+ 256KB FLASH 32KB SRAM ATSAMD20G18A-MUT Microchip Technology 1: £2.49 5,347In Stock	Mfr. Part No. ATSAMD20G18A-MUT Mouser Part No 556-ATSAMD20G18A-MUT	Microchip Technology	ARM Microcontrollers - MCU Cortex-M0+ 256KB FLASH 32KB SRAM Learn More about Microchip Technology atmel samd20 mcu	Datasheet	5,347In Stock	Cut Tape £2.49 £2.40 Reel £2.04 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SAMD1/2x	SMD/SMT	QFN-48	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	38 I/O	32 kB	1.62 V	1.95 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32TQFP 125C, GREEN,1.6-3.6V,48MHz ATSAMD21E18A-AFT Microchip Technology 1: £3.32 6,087In Stock	Mfr. Part No. ATSAMD21E18A-AFT Mouser Part No 556-ATSAMD21E18A-AFT	Microchip Technology	ARM Microcontrollers - MCU 32TQFP 125C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	6,087In Stock	Cut Tape £3.32 £3.20 Reel £2.74 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SAMD21	SMD/SMT	TQFP-32	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Low-Power, 32-bit Cortex-M0+ MCU with Advanced Analog and PWM ATSAMD21E18A-MUT Microchip Technology 1: £2.98 14,313In Stock	Mfr. Part No. ATSAMD21E18A-MUT Mouser Part No 556-ATSAMD21E18A-MUT	Microchip Technology	ARM Microcontrollers - MCU Low-Power, 32-bit Cortex-M0+ MCU with Advanced Analog and PWM Learn More about Microchip Technology sam d21 mcus	Datasheet	14,313In Stock	Cut Tape £2.98 £2.87 Reel £2.44 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SAMD21	SMD/SMT	VQFN-32	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 48TQFP 125C, GREEN,1.6-3.6V,48MHz ATSAMD21G18A-AF Microchip Technology 1: £3.39 4,310In Stock	Mfr. Part No. ATSAMD21G18A-AF Mouser Part No 556-ATSAMD21G18A-AF	Microchip Technology	ARM Microcontrollers - MCU 48TQFP 125C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	4,310In Stock	£3.39 £3.13 £3.09 £2.83	Min.: 1 Mult.: 1	SAMD21	SMD/SMT	TQFP-48	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	38 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 64BGA 85C, GREEN,1.6-3.6V,48MHz ATSAMD21J18A-CUT Microchip Technology 1: £3.55 3,788In Stock	Mfr. Part No. ATSAMD21J18A-CUT Mouser Part No 556-ATSAMD21J18A-CUT	Microchip Technology	ARM Microcontrollers - MCU 64BGA 85C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	3,788In Stock	Cut Tape £3.55 £3.44 Reel £3.44 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	SAMD21	SMD/SMT	UFBGA-64	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	52 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 100 TQFP,105C TEMP, GREEN, 5V, 48MHZ,T&R ATSAMC21N18A-ANT Microchip Technology 1: £3.80 3,908In Stock	Mfr. Part No. ATSAMC21N18A-ANT Mouser Part No 579-ATSAMC21N18A-ANT	Microchip Technology	ARM Microcontrollers - MCU 100 TQFP,105C TEMP, GREEN, 5V, 48MHZ,T&R Learn More about Microchip Technology atmel smart samc mcu	Datasheet	3,908In Stock	Cut Tape £3.80 £3.70 Reel £3.15 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	ATSAMC21	SMD/SMT	TQFP-100	ARM Cortex M0+	256 kB	32 bit	2 x 12 bit	48 MHz	84 I/O	32 kB	2.7 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123GH6PGEIR A 595-TM4C123GH6PGEIR TM4C123GH6PGEI Texas Instruments 1: £15.65 1,114In Stock	Mfr. Part No. TM4C123GH6PGEI Mouser Part No 595-TM4C123GH6PGEI	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123GH6PGEIR A 595-TM4C123GH6PGEIR Learn More about Texas Instruments ti tiva C	Datasheet	1,114In Stock	£15.65 £12.48 £10.69 £10.68 View £10.11 £9.93 Quote	Min.: 1 Mult.: 1	TM4C123GH6PGE	SMD/SMT	LQFP-144	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	105 I/O	32 kB	1.2 V	1.2 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123GH6PMIR A A 595-TM4C123GH6PMIR TM4C123GH6PMI Texas Instruments 1: £13.86 5,491In Stock 7,200Expected 29/04/2027	Mfr. Part No. TM4C123GH6PMI Mouser Part No 595-TM4C123GH6PMI	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123GH6PMIR A A 595-TM4C123GH6PMIR Learn More about Texas Instruments ti tiva C	Datasheet	5,491In Stock 7,200Expected 29/04/2027	£13.86 £10.99 £9.84 £9.28 View £9.27 £8.80	Min.: 1 Mult.: 1	TM4C123GH6PM	SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	43 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123GH6PMI A A 595-TM4C123GH6PMI TM4C123GH6PMIR Texas Instruments 1: £12.26 3,866In Stock	Mfr. Part No. TM4C123GH6PMIR Mouser Part No 595-TM4C123GH6PMIR	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123GH6PMI A A 595-TM4C123GH6PMI Learn More about Texas Instruments ti tiva C	Datasheet	3,866In Stock	Cut Tape £12.26 £9.70 £8.68 £8.35 View Reel £7.38 £7.99 £7.38 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	TM4C123GH6PM	SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	43 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU MM-LEGACY PSOC135 CY8C5488FNI-LP212T Infineon Technologies 1: £13.49 1,997In Stock	Mfr. Part No. CY8C5488FNI-LP212T Mouser Part No 727-CY8C5488FNIP212T	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY PSOC135 Learn More about Infineon Technologies cypress psoc 5lp socs	Datasheet	1,997In Stock	Cut Tape £13.49 £10.25 £9.82 £8.66 View Reel £7.76 £8.23 £7.96 £7.77 £7.76 Quote	Min.: 1 Mult.: 1 : 2,000		SMD/SMT	WLCSP-99	ARM Cortex M3	256 kB	32 bit	12 bit	80 MHz	62 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C		Reel, Cut Tape
ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP CY8C5868AXI-LP035 Infineon Technologies 1: £24.05 2,069In Stock 11,700On Order	Mfr. Part No. CY8C5868AXI-LP035 Mouser Part No 727-CY8C5868AXILP035	Infineon Technologies	ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	2,069In Stock 11,700On Order On Order Ship Dates Mfr. No: CY8C5868AXI-LP035 Stock: 2,069 Can Dispatch Immediately On Order: 4,500 Expected 31/12/2026 7,200 Expected 15/04/2027 Factory Lead Time: 18 Weeks	£24.05 £19.42 £17.09 £16.60 View £16.42 £16.27 Quote	Min.: 1 Mult.: 1	CY8C58LPxxx	SMD/SMT	TQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	67 MHz	62 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP CY8C5888AXI-LP096 Infineon Technologies 1: £24.80 1,666In Stock 4,500On Order	Mfr. Part No. CY8C5888AXI-LP096 Mouser Part No 727-CY8C5888AXILP096	Infineon Technologies	ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	1,666In Stock 4,500On Order	£24.80 £20.05 £17.66 £17.16 View £16.96 £16.63 Quote	Min.: 1 Mult.: 1	CY8C58LPxx	SMD/SMT	TQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	80 MHz	62 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP CY8C5888LTI-LP097 Infineon Technologies 1: £22.18 3,514In Stock	Mfr. Part No. CY8C5888LTI-LP097 Mouser Part No 727-CY8C5888LTILP097	Infineon Technologies	ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	3,514In Stock	£22.18 £17.59 £16.67 £15.58 View £15.03 £14.68 Quote	Min.: 1 Mult.: 1	CY8C58LPxx	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 USB-C HV MCU CYPM1322-97BZXI Infineon Technologies 1: £5.35 6,065In Stock	Mfr. Part No. CYPM1322-97BZXI Mouser Part No 727-CYPM1322-97BZXI	Infineon Technologies	ARM Microcontrollers - MCU USB-C HV MCU Learn More about Infineon Technologies infineon usb c ez pd pmg1 s3	Datasheet	6,065In Stock	£5.35 £4.12 £3.62 £3.47 View £3.21 £3.13 £3.09 Quote	Min.: 1 Mult.: 1	EZ-PD PMG1-S3	SMD/SMT	BGA-97	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	50 I/O	32 kB	2.8 V	5.5 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Scalable Entry Level 32-bit Microcontroller (MCU) based on ARM Cortex-M0+/M0 Cores LPC11U68JBD48K NXP Semiconductors 1: £6.89 3,586In Stock	Mfr. Part No. LPC11U68JBD48K Mouser Part No 771-LPC11U68JBD48K	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Entry Level 32-bit Microcontroller (MCU) based on ARM Cortex-M0+/M0 Cores Learn More about NXP Semiconductors nxp lpc11u6x	Datasheet	3,586In Stock	£6.89 £5.34 £4.73 £4.54 View £4.34 £4.22 £4.15 Quote	Min.: 1 Mult.: 1	LPC11Uxx	SMD/SMT		ARM Cortex M0+	256 kB	32 bit	12 bit	50 MHz	34 I/O	36 kB	3.3 V	3.3 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1756FBD80Y NXP Semiconductors 1: £10.50 2,432In Stock	Mfr. Part No. LPC1756FBD80Y Mouser Part No 771-LPC1756FBD80Y	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	2,432In Stock	Cut Tape £10.50 £7.98 £7.65 £6.74 £6.55 Reel £5.55	Min.: 1 Mult.: 1 : 1,000	LPC1700	SMD/SMT	LQFP-80	ARM Cortex M3	256 kB	32 bit	12 bit	100 MHz	52 I/O	32 kB	2.4 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape
ARM Microcontrollers - MCU Single-chip 16/32-bit microcontrollers; 32/64/128/256/512 kB ISP/IAP flash with 10-bit ADC and DAC LPC2138FBD64/01EL NXP Semiconductors 1: £21.03 904In Stock	Mfr. Part No. LPC2138FBD64/01EL Mouser Part No 771-LPC2138FBD6401EL	NXP Semiconductors	ARM Microcontrollers - MCU Single-chip 16/32-bit microcontrollers; 32/64/128/256/512 kB ISP/IAP flash with 10-bit ADC and DAC	Datasheet	904In Stock	£21.03 £16.94 £15.30 £14.79 View £14.70 £14.08 Quote	Min.: 1 Mult.: 1	LPC2100	SMD/SMT		ARM7TDMI-S	256 kB	32 bit/16 bit	10 bit	60 MHz	47 I/O	32 kB	3.3 V	3.3 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU ARM7 with 256 kB flash, 58 kB SRAM, Ethernet, USB 2.0 Device, CAN, and 10-bit ADC LPC2366FBD100K NXP Semiconductors 1: £15.23 1,464In Stock	Mfr. Part No. LPC2366FBD100K Mouser Part No 771-LPC2366FBD100K	NXP Semiconductors	ARM Microcontrollers - MCU ARM7 with 256 kB flash, 58 kB SRAM, Ethernet, USB 2.0 Device, CAN, and 10-bit ADC Learn More about NXP Semiconductors nxp lpc23xx arm7 mcus	Datasheet	1,464In Stock	£15.23 £11.73 £10.87 £10.22 View £9.88 £9.57	Min.: 1 Mult.: 1	LPC2300	SMD/SMT	LQFP-100	ARM7TDMI-S	256 kB	32 bit/16 bit	10 bit	72 MHz	70 I/O	58 kB	3.3 V	3.3 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU LPC54113J256BD64 LPC54113J256BD64QL NXP Semiconductors 1: £8.39 2,551In Stock	Mfr. Part No. LPC54113J256BD64QL Mouser Part No 771-LPC54113J256BD64	NXP Semiconductors	ARM Microcontrollers - MCU LPC54113J256BD64 Learn More about NXP Semiconductors nxp lpc5411x microcontrollers	Datasheet	2,551In Stock	£8.39 £6.48 £6.18 £5.37 View £5.12 £4.67 £4.43 Quote	Min.: 1 Mult.: 1	LPC5411x	SMD/SMT	LQFP-64	ARM Cortex M0+, ARM Cortex M4	256 kB	32 bit	12 bit	150 MHz	48 I/O	192 kB	1.62 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU LPC5506JBD64 LPC5506JBD64E NXP Semiconductors 1: £4.36 5,151In Stock	Mfr. Part No. LPC5506JBD64E Mouser Part No 771-LPC5506JBD64E	NXP Semiconductors	ARM Microcontrollers - MCU LPC5506JBD64 Learn More about NXP Semiconductors nxp semi lpc550x s0x mcus	Datasheet	5,151In Stock	£4.36 £3.33 £2.92 £2.72 View £2.71 £2.60	Min.: 1 Mult.: 1	LPC550x	SMD/SMT	HTQFP-64	ARM Cortex M33	256 kB	32 bit	16 bit	96 MHz	45 I/O	96 kB	1.8 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU LPC55S06JBD64 LPC55S06JBD64E NXP Semiconductors 1: £4.73 4,166In Stock	Mfr. Part No. LPC55S06JBD64E Mouser Part No 771-LPC55S06JBD64E	NXP Semiconductors	ARM Microcontrollers - MCU LPC55S06JBD64 Learn More about NXP Semiconductors nxp semi lpc550x s0x mcus	Datasheet	4,166In Stock	£4.73 £3.63 £3.20 £2.98 View £2.97 £2.86 £2.84 £2.76 Quote	Min.: 1 Mult.: 1	LPC55S0x	SMD/SMT	HTQFP-64	ARM Cortex M33	256 kB	32 bit	16 bit	96 MHz	45 I/O	96 kB	1.8 V	3.6 V	- 40 C	+ 105 C		Tray