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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 256KB 32KB 64QFN GRN1.6-3.6V48MHz ATSAMD21J18A-MUT Microchip Technology 1: $4.38 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 $4.38 $4.23 $4.09 $4.07 View Reel $3.58 $4.05 $4.00 $3.58 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: $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 $9.03 View $8.46 $8.45 $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 1,854In 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 $7.13 $5.49 $4.83 $4.63 View Reel $3.89 $4.53 $4.28 $4.24 $3.89 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: $6.24 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 $6.24 $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 5,800In 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	$14.43 $11.56 $10.74 $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: $9.03 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	$9.03 $7.02 $6.21 $5.96 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 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 $12.03 View $11.11 $11.06	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: $10.81 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	$10.81 $10.53 $9.90 $9.87 $9.19	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: $3.58 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 $3.58 Reel $3.48 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: $4.89 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 $4.89 $4.75 $4.58 $4.55 View Reel $3.99 $4.50 $4.49 $3.99 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 $2.68 $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 PSoC 4 L-Series 256 kb Flash CY8C4248LTI-L485 Infineon Technologies 1: $13.55 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	$13.55 $10.65 $9.49 $9.13 View $8.73 $8.50 $8.43 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: $14.09 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	$14.09 $11.09 $9.89 $9.52 View $9.11 $8.17	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 $3.39 $3.07 $3.02 View $2.79 $2.78	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 $3.00	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: $11.24 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	$11.24 $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 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 $4.03 $3.56 Reel $3.41 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 $4.67 $4.41 Reel $3.96 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: $25.43 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 $25.43 $24.87 $24.33 $23.84 View $23.48 $23.12 $22.78 $22.78 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: $23.62 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	$23.62 $19.09 $18.30 $16.12 View $15.08 $14.82 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: $10.29 1,248In Stock	Mfr. Part No. MKE14F256VLH16 Mouser Part No 841-MKE14F256VLH16	NXP Semiconductors	ARM Microcontrollers - MCU MT512P 64LQFP	Datasheet	1,248In Stock	$10.29 $7.96 $7.59 $6.59 View $6.29 $5.76 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: $9.21 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	$9.21 $7.12 $6.34 $6.09 View $5.84 $4.07 $3.96 $3.82 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: $28.19 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	$28.19 $24.63 $20.57 $20.40 $19.60	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: $14.80 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	$14.80 $11.68 $10.42 $10.03 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