.hide-partial { max-height: none; } .show-more { display: none; }

256 kB ARM Microcontrollers - MCU

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 1,878

Applied Filters:

Program Memory Size = 256 kB

Manufacturer

Series

Mounting Style

Package/Case

Core

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

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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 256KB 32KB 64QFN GRN1.6-3.6V48MHz ATSAMD21J18A-MUT Microchip Technology 1: £3.29 11,894In Stock	Mfr. Part No. ATSAMD21J18A-MUT Mouser Part No 556-ATSAMD21J18A-MUT	Microchip Technology	ARM Microcontrollers - MCU 256KB 32KB 64QFN GRN1.6-3.6V48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	11,894In Stock	Cut Tape £3.29 £3.18 £3.07 £3.06 View Reel £2.69 £3.04 £3.00 £2.69 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SAMD21	SMD/SMT	QFN-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 32Bit MCU 256KB Flash MK22FN256VLL12 NXP Semiconductors 1: £9.15 2,375In Stock	Mfr. Part No. MK22FN256VLL12 Mouser Part No 841-MK22FN256VLL12	NXP Semiconductors	ARM Microcontrollers - MCU 32Bit MCU 256KB Flash Learn More about NXP Semiconductors nxp kinetis k2x mcu	Datasheet	2,375In Stock	£9.15 £7.39 £6.82 £6.78 View £6.36 £6.35 £6.34 Quote	Min.: 1 Mult.: 1	K22_120	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	16 bit	120 MHz	66 I/O	48 kB	1.71 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU USB-C HV MCU CYPM132197BZXITXUMA1 Infineon Technologies 1: £5.35 1,854In Stock	Mfr. Part No. CYPM132197BZXITXUMA1 Mouser Part No 726-CYPM132197BZXITX	Infineon Technologies	ARM Microcontrollers - MCU USB-C HV MCU Learn More about Infineon Technologies infineon usb c ez pd pmg1 s3	Datasheet	1,854In Stock	Cut Tape £5.35 £4.12 £3.62 £3.47 View Reel £2.92 £3.40 £3.21 £3.19 £2.92 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000	EZ-PD PMG1-S3	SMD/SMT	BGA-97	ARM Cortex M0+	256 kB	32 bit	No ADC	48 MHz	50 I/O		1.71 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU ARM Cortex-M0+ 256KBFlash 24KB SRAM ATSAML21G18B-MUT Microchip Technology 1: £4.69 6,202In Stock	Mfr. Part No. ATSAML21G18B-MUT Mouser Part No 556-ATSAML21G18B-MUT	Microchip Technology	ARM Microcontrollers - MCU ARM Cortex-M0+ 256KBFlash 24KB SRAM Learn More about Microchip Technology microchip sam l21 mcus	Datasheet	6,202In Stock	Cut Tape £4.69 £4.54 Reel £3.87 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SAML21	SMD/SMT	VQFN-48	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	37 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, USB, LQFP100 package LPC1765FBD100K NXP Semiconductors 1: £10.83 5,800In Stock	Mfr. Part No. LPC1765FBD100K Mouser Part No 771-LPC1765FBD100K	NXP Semiconductors	ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, USB, LQFP100 package Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	5,800In Stock	£10.83 £8.68 £8.07 £7.76 View £7.29 £7.11 Quote	Min.: 1 Mult.: 1	LPC1700	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	100 MHz	70 I/O	64 kB	3.3 V	3.3 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 72MHz, 5V Main Stream CM0+ MCU with NXP Touch (TSI) MKE17Z256VLL7 NXP Semiconductors 1: £6.78 3,527In Stock	Mfr. Part No. MKE17Z256VLL7 Mouser Part No 771-MKE17Z256VLL7	NXP Semiconductors	ARM Microcontrollers - MCU 72MHz, 5V Main Stream CM0+ MCU with NXP Touch (TSI) Learn More about NXP Semiconductors nxp kinetis ke1xz microcontrollers	Datasheet	3,527In Stock	£6.78 £5.27 £4.66 £4.48 View £4.16 £4.10 Quote	Min.: 1 Mult.: 1	KE17Z	SMD/SMT	LQFP-100	ARM Cortex M0+	256 kB	32 bit	12 bit	72 MHz	89 I/O	48 kB	2.7 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU TFBGA GRN IND TEMP MRL C AT91SAM7X256C-CU Microchip Technology 1: £10.03 541In Stock	Mfr. Part No. AT91SAM7X256C-CU Mouser Part No 556-AT91SAM7X256C-CU	Microchip Technology	ARM Microcontrollers - MCU TFBGA GRN IND TEMP MRL C	Datasheet	541In Stock	£10.03 £9.93 £9.11 £9.04 £8.41	Min.: 1 Mult.: 1	SAM7X/XC	SMD/SMT	TFBGA-100	ARM7TDMI	256 kB	32 bit	10 bit	20 MHz	62 I/O	64 kB	1.65 V	1.95 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A ATSAM3A4CA-AU Microchip Technology 1: £8.12 334In Stock	Mfr. Part No. ATSAM3A4CA-AU Mouser Part No 556-ATSAM3A4CA-AU	Microchip Technology	ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A Learn More about Microchip Technology microchip sam3a mcu	Datasheet	334In Stock	£8.12 £7.91 £7.43 £7.41 £6.95	Min.: 1 Mult.: 1	SAM3A	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	84 MHz	63 I/O	64 kB	1.62 V	1.95 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 48TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R ATSAMC20G18A-AUT Microchip Technology 1: £2.69 2,111In Stock	Mfr. Part No. ATSAMC20G18A-AUT Mouser Part No 556-ATSAMC20G18A-AUT	Microchip Technology	ARM Microcontrollers - MCU 48TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R Learn More about Microchip Technology atmel smart samc mcu	Datasheet	2,111In Stock	Cut Tape £2.69 Reel £2.61 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	ATSAMC20	SMD/SMT	TQFP-48	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	38 I/O	32 kB	2.7 V	5.5 V	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 64TQFP 125C, GREEN,1.6-3.6V,48MHz ATSAMD21J18A-AFT Microchip Technology 1: £3.68 824In Stock	Mfr. Part No. ATSAMD21J18A-AFT Mouser Part No 556-ATSAMD21J18A-AFT	Microchip Technology	ARM Microcontrollers - MCU 64TQFP 125C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	824In Stock	Cut Tape £3.68 £3.57 £3.44 £3.41 View Reel £3.03 £3.38 £3.37 £3.03 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SAMD21	SMD/SMT	TQFP-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	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU EFM32PG23B210F256IM48-CR Silicon Labs 1: £2.95 4,650In Stock	Mfr. Part No. EFM32PG23B210F256IM48-CR Mouser Part No 634-PG2321F256IM48CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	4,650In Stock	Cut Tape £2.95 £2.20 £2.01 £1.81 Reel £1.53 View £1.70 £1.67 £1.58 £1.50	Min.: 1 Mult.: 1 : 2,500	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		Reel, Cut Tape
ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash CY8C4248LTI-L485 Infineon Technologies 1: £10.17 537In Stock	Mfr. Part No. CY8C4248LTI-L485 Mouser Part No 727-CY8C4248LTI-L485	Infineon Technologies	ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash Learn More about Infineon Technologies cypress psoc 4l soc	Datasheet	537In Stock	£10.17 £8.00 £7.12 £6.85 View £6.56 £6.38 £6.33 Quote	Min.: 1 Mult.: 1	PSOC 4200	SMD/SMT	QFN-68	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	57 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU HMI-LEGACY PSOC4 CY8C4248LTQ-L485 Infineon Technologies 1: £10.58 1,018In Stock	Mfr. Part No. CY8C4248LTQ-L485 Mouser Part No 727-CY8C4248LTQ-L485	Infineon Technologies	ARM Microcontrollers - MCU HMI-LEGACY PSOC4 Learn More about Infineon Technologies cypress psoc 4l soc	Datasheet	1,018In Stock	£10.58 £8.33 £7.43 £7.15 View £6.84 £6.14	Min.: 1 Mult.: 1	PSOC 4200L	SMD/SMT	QFN-68	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	57 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU 48QFN 105C, GREEN,1.6-3.6V,48MHz ATSAMD20G18A-MN Microchip Technology 1: £2.56 490In Stock	Mfr. Part No. ATSAMD20G18A-MN Mouser Part No 556-ATSAMD20G18A-MN	Microchip Technology	ARM Microcontrollers - MCU 48QFN 105C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology atmel samd20 mcu	Datasheet	490In Stock	£2.56 £2.55 £2.30 £2.27 £2.10	Min.: 1 Mult.: 1	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	3.63 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU 64TQFP 105C, GREEN,1.6-3.6V,48MHz ATSAMD20J18A-AN Microchip Technology 1: £2.72 1,129In Stock	Mfr. Part No. ATSAMD20J18A-AN Mouser Part No 556-ATSAMD20J18A-AN	Microchip Technology	ARM Microcontrollers - MCU 64TQFP 105C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology atmel samd20 mcu	Datasheet	1,129In Stock	£2.72 £2.68 £2.48 £2.45 £2.26	Min.: 1 Mult.: 1	SAMD1/2x	SMD/SMT	TQFP-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	+ 105 C		Tray
ARM Microcontrollers - MCU PSoC4 CY8C4248BZI-L469 Infineon Technologies 1: £8.44 643In Stock	Mfr. Part No. CY8C4248BZI-L469 Mouser Part No 727-CY8C4248BZI-L469	Infineon Technologies	ARM Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc 4l soc	Datasheet	643In Stock	£8.44 £6.60 £5.86 £5.63 View £5.38 £4.98 Quote	Min.: 1 Mult.: 1	PSOC 4200	SMD/SMT	VFBGA-124	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	96 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU IOT-PSOC6 CY8C6244LQI-S4D92 Infineon Technologies 1: £4.54 640In Stock	Mfr. Part No. CY8C6244LQI-S4D92 Mouser Part No 727-CY8C6244LQIS4D92	Infineon Technologies	ARM Microcontrollers - MCU IOT-PSOC6 Learn More about Infineon Technologies infineon psoc 62 mcus	Datasheet	640In Stock	£4.54 £3.62 £3.20 £3.09 View £2.99 £2.91 £2.90 Quote	Min.: 1 Mult.: 1	PSOC 62	SMD/SMT	QFN-68	ARM Cortex M0+, ARM Cortex M4	256 kB	32 bit	12 bit	100 MHz, 150 MHz	52 I/O	128 kB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 48QFN,85C TEMP, GREEN, 5V, 48MHZ, T&R ATSAMC20G18A-MUT Microchip Technology 1: £3.13 6,257In Stock	Mfr. Part No. ATSAMC20G18A-MUT Mouser Part No 556-ATSAMC20G18A-MUT	Microchip Technology	ARM Microcontrollers - MCU 48QFN,85C TEMP, GREEN, 5V, 48MHZ, T&R Learn More about Microchip Technology atmel smart samc mcu	Datasheet	6,257In Stock	Cut Tape £3.13 £3.03 £2.67 Reel £2.57 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	ATSAMC20	SMD/SMT	QFN-48	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	38 I/O	32 kB	2.7 V	5.5 V	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 64QFN,105C TEMP, GREEN, 5V, 48MHZ, T&R ATSAMC21J18A-MNT Microchip Technology 1: £3.63 7,118In Stock	Mfr. Part No. ATSAMC21J18A-MNT Mouser Part No 556-ATSAMC21J18A-MNT	Microchip Technology	ARM Microcontrollers - MCU 64QFN,105C TEMP, GREEN, 5V, 48MHZ, T&R Learn More about Microchip Technology atmel smart samc mcu	Datasheet	7,118In Stock	Cut Tape £3.63 £3.51 £3.31 Reel £2.98 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	ATSAMC21	SMD/SMT	VQFN-64	ARM Cortex M0+	256 kB	32 bit	2 x 12 bit	48 MHz	52 I/O	32 kB	2.7 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Lumentum Part to Reserve Buffer Die ADUCM320BBCZ-RL Analog Devices 1: £19.09 1,588In Stock	Mfr. Part No. ADUCM320BBCZ-RL Mouser Part No 584-ADUCM320BBCZ-RL	Analog Devices	ARM Microcontrollers - MCU Lumentum Part to Reserve Buffer Die Learn More about Analog Devices adi microcontrollers	Datasheet	1,588In Stock	Cut Tape £19.09 £18.67 £18.61 £18.61 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,270	ADUCM320	SMD/SMT	BGA-96	ARM Cortex M3	256 kB	32 bit	14 bit	80 MHz	40 I/O	32 kB	2.9 V	3.6 V	- 40 C	+ 105 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU K82-256 MK82FN256VLL15 NXP Semiconductors 1: £17.73 228In Stock	Mfr. Part No. MK82FN256VLL15 Mouser Part No 841-MK82FN256VLL15	NXP Semiconductors	ARM Microcontrollers - MCU K82-256 Learn More about NXP Semiconductors nxp kinetis k8x mcu	Datasheet	228In Stock	£17.73 £14.33 £13.74 £12.10 View £11.32 £11.13 £10.98 Quote	Min.: 1 Mult.: 1	K82_150	SMD/SMT	LQFP-100	ARM Cortex M4F	256 kB	32 bit	16 bit	150 MHz	66 I/O	256 kB	1.71 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU MT512P 64LQFP MKE14F256VLH16 NXP Semiconductors 1: £7.73 1,248In Stock	Mfr. Part No. MKE14F256VLH16 Mouser Part No 841-MKE14F256VLH16	NXP Semiconductors	ARM Microcontrollers - MCU MT512P 64LQFP	Datasheet	1,248In Stock	£7.73 £5.98 £5.70 £4.95 View £4.72 £4.32 £3.95 Quote	Min.: 1 Mult.: 1	KE1xF	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit	168 MHz	58 I/O	32 kB	2.7 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F401RCT7 STMicroelectronics 1: £6.91 1,996In Stock	Mfr. Part No. STM32F401RCT7 Mouser Part No 511-STM32F401RCT7	STMicroelectronics	ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm32f4	Datasheet	1,996In Stock	£6.91 £5.34 £4.76 £4.57 View £4.38 £3.06 £2.98 £2.87 Quote	Min.: 1 Mult.: 1	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	+ 105 C		Tray
ARM Microcontrollers - MCU Cortex M3 + 24K/256K + Dual 24bit SD AFE ADUCM362BCPZ256 Analog Devices 1: £21.16 741In Stock	Mfr. Part No. ADUCM362BCPZ256 Mouser Part No 584-ADUCM362BCPZ256	Analog Devices	ARM Microcontrollers - MCU Cortex M3 + 24K/256K + Dual 24bit SD AFE Learn More about Analog Devices analog aducm36x mcus	Datasheet	741In Stock	£21.16 £18.49 £15.44 £15.31 £14.72	Min.: 1 Mult.: 1 Max.: 592	ADUCM362	SMD/SMT	LFCSP-48	ARM Cortex M3	256 kB	32 bit	24 bit	16 MHz	19 I/O	24 kB	1.8 V	3.6 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP CY8C5288LTI-LP090 Infineon Technologies 1: £11.11 253In Stock 520Expected 20/11/2026	Mfr. Part No. CY8C5288LTI-LP090 Mouser Part No 727-CY8C5288LTILP090	Infineon Technologies	ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	253In Stock 520Expected 20/11/2026	£11.11 £8.76 £7.82 £7.53 View £7.21 £6.87 £6.70 Quote	Min.: 1 Mult.: 1	CY8C52LPxxx	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