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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 32Bit MCU 256KB Flash MK22FN256VLL12 NXP Semiconductors 1: $12.19 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	$12.19 $9.84 $9.08 $9.04 View $8.47 $8.46 $8.44 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: $7.13 1,860In 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	1,860In Stock	Cut Tape $7.13 $5.49 $4.83 $4.63 View Reel $3.90 $4.54 $4.28 $4.24 $3.90 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 48TQFP 125C, GREEN,1.6-3.6V,48MHz ATSAMD21G18A-AF Microchip Technology 1: $4.51 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	$4.51 $4.16 $4.12 $3.77	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 ARM Cortex-M0+ 256KBFlash 24KB SRAM ATSAML21G18B-MUT Microchip Technology 1: $6.25 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 $6.25 $6.05 Reel $5.15 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: $14.43 5,500In 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	5,500In Stock	$14.43 $11.56 $10.75 $10.34 View $9.71 $9.48 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: $9.04 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	$9.04 $7.02 $6.21 $5.97 View $5.54 $5.47 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 Scalable Entry Level 32-bit Microcontroller (MCU) based on ARM Cortex-M0+/M0 Cores LPC11U68JBD64K NXP Semiconductors 1: $9.41 4,229In Stock	Mfr. Part No. LPC11U68JBD64K Mouser Part No 771-LPC11U68JBD64K	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	4,229In Stock	$9.41 $7.33 $6.48 $6.22 View $5.78 $5.77 $5.68 Quote	Min.: 1 Mult.: 1	LPC11Uxx	SMD/SMT	LQFP-64	ARM Cortex M0+	256 kB	32 bit	12 bit	50 MHz	48 I/O	36 kB	3.3 V	3.3 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU LPC55S06JBD64 LPC55S06JBD64E NXP Semiconductors 1: $6.30 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	$6.30 $4.84 $4.26 $3.97 View $3.95 $3.81 $3.78 $3.68 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
ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ,256K CY8C5668AXI-LP013 Infineon Technologies 1: $24.73 123In Stock	Mfr. Part No. CY8C5668AXI-LP013 Mouser Part No 727-CY8C5668AXILP013	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ,256K Learn More about Infineon Technologies cypress psoc5lp	Datasheet	123In Stock	$24.73 $21.09 $20.91 $20.90	Min.: 1 Mult.: 1	CY8C56LPxxx	SMD/SMT	TQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	67 MHz	72 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 64TQFP 125C, GREEN,1.6-3.6V,48MHz ATSAMD21J18A-AFT Microchip Technology 1: $4.90 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 $4.90 $4.76 $4.58 $4.55 View Reel $4.04 $4.50 $4.49 $4.04 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: $3.93 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 $3.93 $2.93 $2.67 $2.41 Reel $2.04 View $2.27 $2.22 $2.11 $2.00	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 HMI-LEGACY PSOC4 CY8C4248LTQ-L485 Infineon Technologies 1: $14.10 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	$14.10 $11.10 $9.90 $9.52 View $9.11 $8.18	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: $3.41 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	$3.41 $3.40 $3.07 $3.02 $2.80	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: $3.63 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	$3.63 $3.57 $3.30 $3.27 $3.01	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: $11.25 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	$11.25 $8.79 $7.80 $7.50 View $7.16 $6.64 $6.63 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 PSOC 5LP ANALOG LITE, 256K FLASH CY8C5468LTI-LP026 Infineon Technologies 1: $14.57 1,371In Stock	Mfr. Part No. CY8C5468LTI-LP026 Mouser Part No 727-CY8C5468LTILP026	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP ANALOG LITE, 256K FLASH Learn More about Infineon Technologies cypress psoc5lp	Datasheet	1,371In Stock	$14.57 $11.48 $10.26 $9.86 View $9.44 $9.07 $8.77	Min.: 1 Mult.: 1	CY8C54LPxxx	SMD/SMT	QFN-68	ARM Cortex M3	256 kB	32 bit	12 bit	67 MHz	48 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU IOT-PSOC6 CY8C6244LQI-S4D92 Infineon Technologies 1: $6.05 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	$6.05 $4.83 $4.27 $4.12 View $3.99 $3.87 $3.86 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: $4.16 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 $4.16 $4.04 $3.56 Reel $3.42 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: $4.84 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 $4.84 $4.68 $4.41 Reel $3.97 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 256KB Flash 64KBSRAM PSoC 5LP CY8C5288LTI-LP090 Infineon Technologies 1: $14.80 253In Stock 520Expected 2026/11/20	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 2026/11/20	$14.80 $11.68 $10.42 $10.04 View $9.61 $9.15 $8.93 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
ARM Microcontrollers - MCU USB-C HV MCU CYPM1311-48LDXI Infineon Technologies 1: $6.04 931In Stock	Mfr. Part No. CYPM1311-48LDXI Mouser Part No 727-CYPM1311-48LDXI	Infineon Technologies	ARM Microcontrollers - MCU USB-C HV MCU Learn More about Infineon Technologies infineon usb c ez pd pmg1 s3	Datasheet	931In Stock	$6.04 $4.62 $4.07 $3.88 View $3.59 $3.54 $3.49 $3.45 Quote	Min.: 1 Mult.: 1	EZ-PD PMG1-S3	SMD/SMT	QFN-48	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	2.8 V	5.5 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG842F256G-F-QFP64R Silicon Labs 1: $11.82 3,787In Stock	Mfr. Part No. EFM32LG842F256G-F-QFP64R Mouser Part No 634-32LG842256GFQFPR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	3,787In Stock	Cut Tape $11.82 $9.26 $8.61 $7.90 Reel $7.20 View $7.83 $7.37 $6.83	Min.: 1 Mult.: 1 : 1,000	EFM32LG	SMD/SMT	TQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	48 MHz	53 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Reel, Cut Tape
ARM Microcontrollers - MCU TFBGA GRN IND TEMP MRL C AT91SAM7X256C-CU Microchip Technology 1: $13.36 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	$13.36 $13.22 $12.14 $12.04 $11.20	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: $10.82 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	$10.82 $10.54 $9.90 $9.87 $9.26	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 PSoC4 CY8C4246AZI-L433T Infineon Technologies 1: $8.84 410In Stock	Mfr. Part No. CY8C4246AZI-L433T Mouser Part No 727-CY8C4246AZIL433T	Infineon Technologies	ARM Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc 4l soc	Datasheet	410In Stock	Cut Tape $8.84 $6.79 $6.12 $5.71 Reel $4.55 View $5.64 $5.19 $4.80 $4.42 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	PSOC 4200	SMD/SMT	TQFP-48	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	38 I/O	8 kB	1.8 V	1.8 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel