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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 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 $4.25 $3.96 View $3.95 $3.81 $3.78 $3.67 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 Kinetis 2.x 512K MK20DX256VLL10 NXP Semiconductors 1: $17.82 3,610In Stock	Mfr. Part No. MK20DX256VLL10 Mouser Part No 841-MK20DX256VLL10	NXP Semiconductors	ARM Microcontrollers - MCU Kinetis 2.x 512K Learn More about NXP Semiconductors nxp kinetis k2x mcu	Datasheet	3,610In Stock	$17.82 $13.54 $12.98 $11.44 View $10.87 $10.52 $10.18 Quote	Min.: 1 Mult.: 1	K20_100	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	2 x 16 bit	100 MHz	66 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU 32Bit MCU 256KB Flash MK22FN256VLH12 NXP Semiconductors 1: $13.69 2,224In Stock	Mfr. Part No. MK22FN256VLH12 Mouser Part No 841-MK22FN256VLH12	NXP Semiconductors	ARM Microcontrollers - MCU 32Bit MCU 256KB Flash Learn More about NXP Semiconductors nxp kinetis k2x mcu	Datasheet	2,224In Stock	$13.69 $10.40 $9.97 $8.78 View $8.35 $8.08 $7.81 Quote	Min.: 1 Mult.: 1	K22_120	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	16 bit	120 MHz	40 I/O	48 kB	1.71 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Stellaris Cortex-M3 Fury 32-Bit ARM LM3S1968-IQC50-A2 Texas Instruments 1: $42.58 171In Stock NRND	Mfr. Part No. LM3S1968-IQC50-A2 Mouser Part No 868-LM3S1968-IQC50 NRND	Texas Instruments	ARM Microcontrollers - MCU Stellaris Cortex-M3 Fury 32-Bit ARM Learn More about Texas Instruments ti processors solutions	Datasheet	171In Stock	$42.58 $32.91 $31.75 $30.68 View $29.55 Quote	Min.: 1 Mult.: 1	LM3S1968	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	10 bit	50 MHz	52 I/O	64 kB	2.25 V	2.75 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 ATSAM3U4EA-AU Microchip Technology 1: $9.21 1,649In Stock	Mfr. Part No. ATSAM3U4EA-AU Mouser Part No 556-ATSAM3U4EA-AU	Microchip Technology	ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 Learn More about Microchip Technology microchip sam3u mcus	Datasheet	1,649In Stock	$9.21 $8.39 $7.59	Min.: 1 Mult.: 1	SAM3U	SMD/SMT	LQFP-144	ARM Cortex M3	256 kB	32 bit	12 bit	96 MHz	96 I/O	52 kB	1.62 V	1.95 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A ATSAM3X4CA-AU Microchip Technology 1: $11.00 160In Stock	Mfr. Part No. ATSAM3X4CA-AU Mouser Part No 556-ATSAM3X4CA-AU	Microchip Technology	ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A Learn More about Microchip Technology microchip sam3x mcu	Datasheet	160In Stock	$11.00 $10.01 $9.05	Min.: 1 Mult.: 1	SAM3X	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 QFN,GREEN,IND TEMP CRYPTO MRL A ATSAM4LC4BA-MU Microchip Technology 1: $7.49 377In Stock	Mfr. Part No. ATSAM4LC4BA-MU Mouser Part No 556-ATSAM4LC4BA-MU	Microchip Technology	ARM Microcontrollers - MCU QFN,GREEN,IND TEMP CRYPTO MRL A Learn More about Microchip Technology atmel atsam4l	Datasheet	377In Stock	$7.49 $6.80 $6.16	Min.: 1 Mult.: 1	SAM4L	SMD/SMT	QFN-64	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	43 I/O	32 kB	1.62 V	1.98 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 32TQFP,105C TEMP, GREEN, 5V, 48MHZ, T&R ATSAMC21E18A-ANT Microchip Technology 1: $4.45 3,148In Stock	Mfr. Part No. ATSAMC21E18A-ANT Mouser Part No 556-ATSAMC21E18A-ANT	Microchip Technology	ARM Microcontrollers - MCU 32TQFP,105C TEMP, GREEN, 5V, 48MHZ, T&R Learn More about Microchip Technology atmel smart samc mcu	Datasheet	3,148In Stock	Cut Tape $4.45 $4.29 Reel $3.68 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	ATSAMC21	SMD/SMT	TQFP-32	ARM Cortex M0+	256 kB	32 bit	2 x 12 bit	48 MHz	26 I/O	32 kB	2.7 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R ATSAMC21E18A-AUT Microchip Technology 1: $4.24 1,915In Stock	Mfr. Part No. ATSAMC21E18A-AUT Mouser Part No 556-ATSAMC21E18A-AUT	Microchip Technology	ARM Microcontrollers - MCU 32TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R Learn More about Microchip Technology atmel smart samc mcu	Datasheet	1,915In Stock	Cut Tape $4.24 $3.85 $3.78 $3.77 $3.65 Reel $3.49 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	ATSAMC21	SMD/SMT	TQFP-32	ARM Cortex M0+	256 kB	32 bit	2 x 12 bit	48 MHz	26 I/O	32 kB	2.7 V	5.5 V	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 64TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R ATSAMC21J18A-AUT Microchip Technology 1: $4.68 1,741In Stock 7,500Expected 07/01/2027	Mfr. Part No. ATSAMC21J18A-AUT Mouser Part No 556-ATSAMC21J18A-AUT	Microchip Technology	ARM Microcontrollers - MCU 64TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R Learn More about Microchip Technology atmel smart samc mcu	Datasheet	1,741In Stock 7,500Expected 07/01/2027	Cut Tape $4.68 $4.53 Reel $3.85 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	ATSAMC21	SMD/SMT	TQFP-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	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Cortex-M0+ 256KB FLASH 32KB SRAM ATSAMD20G18A-AU Microchip Technology 1: $3.31 1,307In Stock	Mfr. Part No. ATSAMD20G18A-AU Mouser Part No 556-ATSAMD20G18A-AU	Microchip Technology	ARM Microcontrollers - MCU Cortex-M0+ 256KB FLASH 32KB SRAM Learn More about Microchip Technology atmel samd20 mcu	Datasheet	1,307In Stock	$3.31 $3.00 $2.72	Min.: 1 Mult.: 1	SAMD1/2x	SMD/SMT	TQFP-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		Tray
ARM Microcontrollers - MCU Cortex-M0+ 256KB FLASH 32KB SRAM ATSAMD20J18A-AU Microchip Technology 1: $3.48 1,503In Stock	Mfr. Part No. ATSAMD20J18A-AU Mouser Part No 556-ATSAMD20J18A-AU	Microchip Technology	ARM Microcontrollers - MCU Cortex-M0+ 256KB FLASH 32KB SRAM Learn More about Microchip Technology atmel samd20 mcu	Datasheet	1,503In Stock	$3.48 $3.15 $2.88	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	1.95 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Cortex-M0+ 256KB FLASH 32KB SRAM ATSAMD20J18A-AUT Microchip Technology 1: $3.55 1,763In Stock	Mfr. Part No. ATSAMD20J18A-AUT Mouser Part No 556-ATSAMD20J18A-AUT	Microchip Technology	ARM Microcontrollers - MCU Cortex-M0+ 256KB FLASH 32KB SRAM Learn More about Microchip Technology atmel samd20 mcu	Datasheet	1,763In Stock	Cut Tape $3.55 $3.43 Reel $2.92 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	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	1.95 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 48TQFP 125C, GREEN,1.6-3.6V,48MHz ATSAMD21G18A-AFT Microchip Technology 1: $4.65 1,265In Stock	Mfr. Part No. ATSAMD21G18A-AFT Mouser Part No 556-ATSAMD21G18A-AFT	Microchip Technology	ARM Microcontrollers - MCU 48TQFP 125C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	1,265In Stock	Cut Tape $4.65 $4.49 Reel $3.83 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 256KB 32KB 48TQFP GRN1.6-3.6V48MHz ATSAMD21G18A-AU Microchip Technology 1: $4.16 1,599In Stock	Mfr. Part No. ATSAMD21G18A-AU Mouser Part No 556-ATSAMD21G18A-AU	Microchip Technology	ARM Microcontrollers - MCU 256KB 32KB 48TQFP GRN1.6-3.6V48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	1,599In Stock	$4.16 $3.78 $3.43	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	+ 85 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 64TQFP 125C, GREEN,1.6-3.6V,48MHz ATSAMD21J18A-AF Microchip Technology 1: $4.82 2,202In Stock	Mfr. Part No. ATSAMD21J18A-AF Mouser Part No 556-ATSAMD21J18A-AF	Microchip Technology	ARM Microcontrollers - MCU 64TQFP 125C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	2,202In Stock	$4.82 $4.38 $3.97	Min.: 1 Mult.: 1	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	Tray
ARM Microcontrollers - MCU 256KB 32KB 64TQFP GRN1.6-3.6V48MHz ATSAMD21J18A-AU Microchip Technology 1: $4.38 2,175In Stock	Mfr. Part No. ATSAMD21J18A-AU Mouser Part No 556-ATSAMD21J18A-AU	Microchip Technology	ARM Microcontrollers - MCU 256KB 32KB 64TQFP GRN1.6-3.6V48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	2,175In Stock	$4.38 $3.99 $3.59	Min.: 1 Mult.: 1	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	+ 85 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 120MHZ 256KB FLASH 4 8 QFN PKG IN 85C ATSAMD51G18A-MUT Microchip Technology 1: $4.88 356In Stock	Mfr. Part No. ATSAMD51G18A-MUT Mouser Part No 556-ATSAMD51G18AMUT	Microchip Technology	ARM Microcontrollers - MCU 120MHZ 256KB FLASH 4 8 QFN PKG IN 85C Learn More about Microchip Technology microchip sam d5 e5	Datasheet	356In Stock	Cut Tape $4.88 $4.79 Reel $4.06	Min.: 1 Mult.: 1 : 4,000	ATSAMD51	SMD/SMT	QFN-48	ARM Cortex M4F	256 kB	32 bit	12 bit	120 MHz	37 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M0+ 256K Flash/32k SRAM ATSAML21E18B-AUT Microchip Technology 1: $6.05 1,729In Stock	Mfr. Part No. ATSAML21E18B-AUT Mouser Part No 556-ATSAML21E18B-AUT	Microchip Technology	ARM Microcontrollers - MCU ARM Cortex-M0+ 256K Flash/32k SRAM Learn More about Microchip Technology microchip sam l21 mcus	Datasheet	1,729In Stock	Cut Tape $6.05 $5.86 Reel $4.98 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SAML21	SMD/SMT	TQFP-32	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	25 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 100TQFP 85C, GREEN,1.6-3.6V,32MHz ATSAML22N18A-AUT Microchip Technology 1: $6.05 1,946In Stock	Mfr. Part No. ATSAML22N18A-AUT Mouser Part No 556-ATSAML22N18A-AUT	Microchip Technology	ARM Microcontrollers - MCU 100TQFP 85C, GREEN,1.6-3.6V,32MHz Learn More about Microchip Technology atmel sam l22	Datasheet	1,946In Stock	Cut Tape $6.05 $5.83 Reel $4.98	Min.: 1 Mult.: 1 : 1,000	SAML22	SMD/SMT	TQFP-100	ARM Cortex M0+	256 kB	32 bit	12 bit	32 MHz	82 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 85 C		Reel, Cut Tape
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG330F256G-F-QFN64 Silicon Labs 1: $12.07 1,407In Stock	Mfr. Part No. EFM32LG330F256G-F-QFN64 Mouser Part No 634-32LG330F256GFQFN	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	1,407In Stock	$12.07 $9.70 $8.83 $8.27 View $8.02 $7.65 $7.27 Quote	Min.: 1 Mult.: 1	EFM32LG	SMD/SMT	QFN-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		Tray
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU EFM32JG1B200F256GM48-C0 Silicon Labs 1: $5.32 Lead-Time 12 Weeks	Mfr. Part No. EFM32JG1B200F256GM48-C0 Mouser Part No 634-JG1B200F25648C0	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU Learn More about Silicon Labs silabs efm32 jade gecko mcu	Datasheet	Lead-Time 12 Weeks	$5.32 $4.20 $3.78 $3.50 View $3.30 $3.23 $3.17 $3.16	Min.: 1 Mult.: 1	EFM32JG	SMD/SMT	QFN-48	ARM Cortex M3	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 EFM32PG1B100F256GM32-C0 Silicon Labs 1: $5.97 436In Stock 2,450Expected 20/11/2026	Mfr. Part No. EFM32PG1B100F256GM32-C0 Mouser Part No 634-PG1B100F256GM320	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	436In Stock 2,450Expected 20/11/2026	$5.97 $4.73 $4.26 $3.92 View $3.62 $3.60 $3.50	Min.: 1 Mult.: 1	EFM32PG	SMD/SMT	QFN-32	ARM Cortex M4	256 kB	32 bit	12 bit	40 MHz	24 I/O	32 kB	1.85 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU EFM32PG23B200F256IM40-C Silicon Labs 1: $3.71 3,374In Stock	Mfr. Part No. EFM32PG23B200F256IM40-C Mouser Part No 634-PG23200F256IM40C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	3,374In Stock	$3.71 $2.76 $2.52 $2.26 View $2.14 $2.09 $1.99 $1.93 $1.89	Min.: 1 Mult.: 1	PG23	SMD/SMT	QFN-40	ARM Cortex M33	256 kB	32 bit	12 bit/16 bit/20 bit	80 MHz	29 I/O	64 kB	1.71 V	3.8 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU EFM32PG23B210F256IM48-C Silicon Labs 1: $3.93 2,501In Stock	Mfr. Part No. EFM32PG23B210F256IM48-C Mouser Part No 634-PG23210F256IM48C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	2,501In Stock	$3.93 $2.93 $2.68 $2.41 View $2.27 $2.22 $2.11 $2.04 $2.00	Min.: 1 Mult.: 1	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		Tray