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256 kB 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.	RoHS	Mounting Style	Package/Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Maximum Operating Temperature	Qualification	Packaging
32-bit Microcontrollers - MCU 32BIT MCU RX24T 256K/16K QFP64 R5F524TAADFM#31 Renesas Electronics 1: $6.74 348In Stock	Mfr. Part No. R5F524TAADFM#31 Mouser Part No 968-R5F524TAADFM#31	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX24T 256K/16K QFP64 Learn More about Renesas Electronics renesas rx24t 32 bit mcus	Datasheet	348In Stock	$6.74 $4.63 $4.32 $3.80 View $3.60 $3.23 $2.97 $2.93 Quote	Min.: 1 Mult.: 1		SMD/SMT	LFQFP-64	RXv2	32 bit	80 MHz	256 kB	16 kB	12 bit	48 I/O	2.7 V	5.5 V	+ 85 C		Tray
32-bit Microcontrollers - MCU 32BIT MCU RX24TH,U 256K/32K QFP100 R5F524TBADFP#31 Renesas Electronics 1: $6.53 243In Stock	Mfr. Part No. R5F524TBADFP#31 Mouser Part No 968-R5F524TBADFP#31	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX24TH,U 256K/32K QFP100 Learn More about Renesas Electronics renesas rx24t 32 bit mcus	Datasheet	243In Stock	$6.53 $5.02 $4.24 $4.23 View $4.07 $3.88 $3.86 $3.76 Quote	Min.: 1 Mult.: 1		SMD/SMT	LFQFP-100	RXv2	32 bit	80 MHz	256 kB	32 kB	12 bit	80 I/O	2.7 V	5.5 V	+ 85 C		Tray
32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 R5F566TAAGFN#30 Renesas Electronics 1: $8.25 2In Stock	Mfr. Part No. R5F566TAAGFN#30 Mouser Part No 968-R5F566TAAGFN30	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80 Learn More about Renesas Electronics renesas rx66t mcus	Datasheet	2In Stock	$8.25 $6.37 $5.90 $5.33 View $5.29 $5.00 $4.88 Quote	Min.: 1 Mult.: 1		SMD/SMT	LFQFP-80	RXv3	32 bit	160 MHz	256 kB	64 kB	12 bit	52 I/O	2.7 V	5.5 V	+ 105 C		Tray
ARM Microcontrollers - MCU MCU RA2L1 ARM CM23 48MHz 256K/32K QFP48 R7FA2L1AB2DFL#BA0 Renesas Electronics 1: $3.62 1,965In Stock	Mfr. Part No. R7FA2L1AB2DFL#BA0 Mouser Part No 968-R7FA2L1AB2DFLBA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA2L1 ARM CM23 48MHz 256K/32K QFP48	Datasheet	1,965In Stock	$3.62 $2.72 $2.50 $2.25 View $2.13 $2.06 $1.95 $1.94 $1.92	Min.: 1 Mult.: 1		SMD/SMT	LQFP-48	ARM Cortex M23	32 bit	48 MHz	256 kB	32 kB	12 bit	34 I/O	1.6 V	5.5 V	+ 85 C		Tray
ARM Microcontrollers - MCU MCU RA2L1 ARM CM23 48MHz 256K/32K QFP64 R7FA2L1AB2DFM#AA0 Renesas Electronics 1: $4.02 645In Stock 30,720On Order	Mfr. Part No. R7FA2L1AB2DFM#AA0 Mouser Part No 968-R7FA2L1AB2DFMAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA2L1 ARM CM23 48MHz 256K/32K QFP64 Learn More about Renesas Electronics renesas ra2l1 mcus	Datasheet	645In Stock 30,720On Order On Order Ship Dates Mfr. No: R7FA2L1AB2DFM#AA0 Stock: 645 Can Dispatch Immediately On Order: 12,800 Expected 26/11/2026 17,920 Expected 11/02/2027 Factory Lead Time: 18 Weeks	$4.02 $3.03 $2.63 $2.44 View $2.43 $2.26 $2.13 $2.11 $1.99	Min.: 1 Mult.: 1		SMD/SMT	QFP-64	ARM Cortex M23	32 bit	48 MHz	256 kB	32 kB	12 bit	53 I/O	1.6 V	5.5 V	+ 85 C		Tray
ARM Microcontrollers - MCU MCU RA2L1 ARM CM23 48MHz 256K/32K QFP100 R7FA2L1AB2DFP#AA0 Renesas Electronics 1: $4.16 433In Stock	Mfr. Part No. R7FA2L1AB2DFP#AA0 Mouser Part No 968-R7FA2L1AB2DFPAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA2L1 ARM CM23 48MHz 256K/32K QFP100 Learn More about Renesas Electronics renesas ra2l1 mcus	Datasheet	433In Stock	$4.16 $3.14 $2.63 $2.51 View $2.38 $2.33 $2.32 $2.26	Min.: 1 Mult.: 1		SMD/SMT	QFP-100	ARM Cortex M23	32 bit	48 MHz	256 kB	32 kB	12 bit	87 I/O	1.6 V	5.5 V	+ 85 C		Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHZ 256K/32K QFN40 R7FA4M1AB3CNF#AA0 Renesas Electronics 1: $5.78 93In Stock 887Expected 22/01/2027	Mfr. Part No. R7FA4M1AB3CNF#AA0 Mouser Part No 968-R7FA4M1AB3CNFAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHZ 256K/32K QFN40 Learn More about Renesas Electronics renesas ra4m1 mcu	Datasheet	93In Stock 887Expected 22/01/2027	$5.78 $4.42 $3.88 $3.71 View $3.42 $3.32 $3.26 Quote	Min.: 1 Mult.: 1		SMD/SMT	QFN-40	ARM Cortex M4	32 bit	48 MHz	256 kB	32 kB	14 bit	28 I/O	1.6 V	5.5 V	+ 105 C		Tray
ARM Microcontrollers - MCU MCU RA6 ARM CM33 200MHz 256K/40K BGA36 R7FA6E2BB2CBC#BC0 Renesas Electronics 1: $4.83 3,920In Stock	Mfr. Part No. R7FA6E2BB2CBC#BC0 Mouser Part No 968-R7FA6E2BB2CBCBC0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA6 ARM CM33 200MHz 256K/40K BGA36 Learn More about Renesas Electronics renesas ra6e2 microcontrollers	Datasheet	3,920In Stock	$4.83 $3.67 $3.38 $3.06 View $2.91 $2.82 $2.69 $2.66 $2.65	Min.: 1 Mult.: 1		SMD/SMT	BGA-36	ARM Cortex M33	32 bit	200 MHz	256 kB	40 kB	12 bit	20 I/O	2.7 V	3.6 V	+ 85 C		Tray
ARM Microcontrollers - MCU MCU RA6T1 ARM CM4 120MHz 256K/64K QFP64 R7FA6T1AB3CFM#AA0 Renesas Electronics 1: $5.26 10In Stock	Mfr. Part No. R7FA6T1AB3CFM#AA0 Mouser Part No 968-R7FA6T1AB3CFMAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA6T1 ARM CM4 120MHz 256K/64K QFP64 Learn More about Renesas Electronics renesas ra6t1 32 bit mcus	Datasheet	10In Stock	$5.26 $4.00 $3.50 $3.34 $3.08	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	120 MHz	256 kB	64 kB	12 bit	40 I/O	2.7 V	3.6 V	+ 105 C		Tray
ARM Microcontrollers - MCU MCU RA6T2 ARM CM33 240MHz 256K/64K QFP100 R7FA6T2BB3CFP#AA1 Renesas Electronics 1: $9.75 82In Stock 90On Order	Mfr. Part No. R7FA6T2BB3CFP#AA1 Mouser Part No 968-R7FA6T2BB3CFPAA1	Renesas Electronics	ARM Microcontrollers - MCU MCU RA6T2 ARM CM33 240MHz 256K/64K QFP100	Datasheet	82In Stock 90On Order	$9.75 $7.31 $6.97 $6.05 View $5.78 $5.27 $5.01 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-100	ARM Cortex M33	32 bit	240 MHz	256 kB	64 kB	2 x 16 bit	84 I/O	2.7 V	3.6 V	+ 105 C		Tray
ARM Microcontrollers - MCU MCU RA6T3 ARM CM33 200MHz 256K/40K QFP64 R7FA6T3BB3CFM#AA0 Renesas Electronics 1: $5.17 296In Stock	Mfr. Part No. R7FA6T3BB3CFM#AA0 Mouser Part No 968-R7FA6T3BB3CFMAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA6T3 ARM CM33 200MHz 256K/40K QFP64 Learn More about Renesas Electronics renesas ra6t3 arm mcus	Datasheet	296In Stock	$5.17 $3.94 $3.44 $3.20 View $3.19 $2.99	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M33	32 bit	200 MHz	256 kB	40 kB	12 bit	45 I/O	2.7 V	3.6 V	+ 105 C		Tray
8-bit Microcontrollers - MCU AVR XMEGA 256KB FLSH 4KB EE 16K-64QFN ATXMEGA256A3BU-MHR Microchip Technology 1: $9.04 534In Stock	Mfr. Part No. ATXMEGA256A3BU-MHR Mouser Part No 556-XMEGA256A3BU-MHR	Microchip Technology	8-bit Microcontrollers - MCU AVR XMEGA 256KB FLSH 4KB EE 16K-64QFN	Datasheet	534In Stock	Cut Tape $9.04 $8.83 Reel $7.51 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	No	SMD/SMT	VQFN-64	AVR	8 bit/16 bit	32 MHz	256 kB	16 kB	12 bit	47 I/O	1.6 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU M451RG6AE Nuvoton 1: $5.05 150In Stock NRND	Mfr. Part No. M451RG6AE Mouser Part No 503-M451RG6AE NRND	Nuvoton	ARM Microcontrollers - MCU	Datasheet	150In Stock	$5.05 $4.20 $3.69 $3.51 View $3.50 $3.31 $3.16 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M4F	32 bit	72 MHz	256 kB	32 kB	12 bit	53 I/O	2.5 V	5.5 V	+ 105 C		Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM STM32F100RCT6TR STMicroelectronics 1: $9.25 121In Stock NRND	Mfr. Part No. STM32F100RCT6TR Mouser Part No 511-STM32F100RCT6TR NRND	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	121In Stock	Cut Tape $9.25 $6.94 $6.62 $5.75 Reel $4.78 View $5.54 $5.20 $4.70 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		SMD/SMT	LQFP-64	ARM Cortex M3	32 bit	24 MHz	256 kB	24 kB	12 bit	51 I/O	2 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU 16Bit Ultra-Low-Pwr Microcontroller R 59 R 595-MSP430F5438AIPZ MSP430F5438IPZ Texas Instruments 1: $19.91 27In Stock NRND	Mfr. Part No. MSP430F5438IPZ Mouser Part No 595-MSP430F5438IPZ NRND	Texas Instruments	16-bit Microcontrollers - MCU 16Bit Ultra-Low-Pwr Microcontroller R 59 R 595-MSP430F5438AIPZ	Datasheet	27In Stock	$19.91 $15.85 $13.37	Min.: 1 Mult.: 1		SMD/SMT	LQFP-100	MSP430	16 bit	25 MHz	256 kB	16 kB	12 bit	87 I/O	1.8 V	3.6 V	+ 85 C		Tray
32-bit Microcontrollers - MCU 32BIT MCU RX631 256K/64K QFP48 R5F5631MDDFL#V0 Renesas Electronics 1: $12.77 32In Stock NRND	Mfr. Part No. R5F5631MDDFL#V0 Mouser Part No 968-R5F5631MDDFL#V0 NRND	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX631 256K/64K QFP48	Datasheet	32In Stock	$12.77 $10.38 $9.90 $8.60 View $7.42 $7.38 $7.15 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-48	RX	32 bit	100 MHz	256 kB	64 kB	10 bit, 12 bit	30 I/O	2.7 V	3.6 V	+ 85 C		Tray
ARM Microcontrollers - MCU TQFP, Green, IND TEMP, CRYPTO, MRL A ATSAM4LC4BA-AU Microchip Technology 1: $7.34 24In Stock	Mfr. Part No. ATSAM4LC4BA-AU Mouser Part No 556-ATSAM4LC4BA-AU	Microchip Technology	ARM Microcontrollers - MCU TQFP, Green, IND TEMP, CRYPTO, MRL A Learn More about Microchip Technology atmel atsam4l	Datasheet	24In Stock	$7.34 $6.68 $6.04	Min.: 1 Mult.: 1		SMD/SMT	TQFP-64	ARM Cortex M4	32 bit	48 MHz	256 kB	32 kB	12 bit	43 I/O	1.62 V	1.98 V	+ 85 C		Tray
ARM Microcontrollers - MCU 32TQFP 105C, GREEN,1.6-3.6V,48MHz ATSAMD20E18A-AN Microchip Technology 1: $3.28 238In Stock	Mfr. Part No. ATSAMD20E18A-AN Mouser Part No 556-ATSAMD20E18A-AN	Microchip Technology	ARM Microcontrollers - MCU 32TQFP 105C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology atmel samd20 mcu	Datasheet	238In Stock	$3.28 $2.99 $2.72	Min.: 1 Mult.: 1		SMD/SMT	TQFP-32	ARM Cortex M0+	32 bit	48 MHz	256 kB	32 kB	12 bit	26 I/O	1.62 V	3.63 V	+ 105 C		Tray
ARM Microcontrollers - MCU 32QFN 125C, GREEN,1.6-3.6V,48MHz ATSAMD21E18A-MF Microchip Technology 1: $4.27 119In Stock	Mfr. Part No. ATSAMD21E18A-MF Mouser Part No 556-ATSAMD21E18A-MF	Microchip Technology	ARM Microcontrollers - MCU 32QFN 125C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	119In Stock	$4.27 $3.87 $3.51	Min.: 1 Mult.: 1		SMD/SMT	QFN-32	ARM Cortex M0+	32 bit	48 MHz	256 kB	32 kB	12 bit	26 I/O	1.62 V	3.63 V	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU CM4, QFN 64, 256KFlash,Tray, USB,Extended Temp ATSAMD51J18A-MF Microchip Technology 1: $5.75 83In Stock	Mfr. Part No. ATSAMD51J18A-MF Mouser Part No 556-ATSAMD51J18A-MF	Microchip Technology	ARM Microcontrollers - MCU CM4, QFN 64, 256KFlash,Tray, USB,Extended Temp Learn More about Microchip Technology microchip sam d5 e5	Datasheet	83In Stock	$5.75 $5.28 $4.78	Min.: 1 Mult.: 1		SMD/SMT	VQFN-64	ARM Cortex M4F	32 bit	120 MHz	256 kB	128 kB	12 bit	51 I/O	1.71 V	3.6 V	+ 125 C	AEC-Q100	Tray
RF Microcontrollers - MCU SAMR21 48pin 256K ATSAMR21G18A-MU Microchip Technology 1: $6.67 58In Stock	Mfr. Part No. ATSAMR21G18A-MU Mouser Part No 556-ATSAMR21G18A-MU	Microchip Technology	RF Microcontrollers - MCU SAMR21 48pin 256K Learn More about Microchip Technology microchip r21 microcontrollers	Datasheet	58In Stock	$6.67 $6.22	Min.: 1 Mult.: 1		SMD/SMT	QFN-48	ARM Cortex M0+	32 bit	48 MHz	256 kB	32 kB	12 bit	28 I/O	3.3 V	3.3 V	+ 85 C		Tray
32-bit Microcontrollers - MCU UC3L-256KB Flash 64QFN 85C green T&R ATUC256L3U-Z3UR Microchip Technology 1: $10.65 10In Stock	Mfr. Part No. ATUC256L3U-Z3UR Mouser Part No 556-ATUC256L3U-Z3UR	Microchip Technology	32-bit Microcontrollers - MCU UC3L-256KB Flash 64QFN 85C green T&R Learn More about Microchip Technology microchip l series mcus	Datasheet	10In Stock	Cut Tape $10.65 $10.29 Reel $8.77 MouseReel Available	Min.: 1 Mult.: 1 : 4,000		SMD/SMT	QFN-64	AVR	32 bit	50 MHz	256 kB	32 kB	12 bit	51 I/O	1.8 V	1.8 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8/16 bit 1.6V-3.6V 256KB + 8KB ATXMEGA256A3-MH Microchip Technology 1: $11.81 42In Stock	Mfr. Part No. ATXMEGA256A3-MH Mouser Part No 556-ATXMEGA256A3-MH	Microchip Technology	8-bit Microcontrollers - MCU 8/16 bit 1.6V-3.6V 256KB + 8KB Learn More about Microchip Technology atmel_xmega	Datasheet	42In Stock	$11.81 $10.83 $9.79	Min.: 1 Mult.: 1		SMD/SMT	QFN-64	AVR	8 bit/16 bit	32 MHz	256 kB	16 kB	12 bit	50 I/O	1.6 V	3.6 V	+ 85 C		Tray
32-bit Microcontrollers - MCU 256KB Flash 64KB RAM 40MHz, 10-bit ADC PIC32MX270F256B-I/SO Microchip Technology 1: $5.21 36In Stock	Mfr. Part No. PIC32MX270F256B-I/SO Mouser Part No 579-32MX270F256BI/SO	Microchip Technology	32-bit Microcontrollers - MCU 256KB Flash 64KB RAM 40MHz, 10-bit ADC Learn More about Microchip Technology microchip pic32mx mcu	Datasheet	36In Stock	$5.21 $4.78 $4.32	Min.: 1 Mult.: 1		SMD/SMT	SOIC-28	MIPS32 M4K	32 bit	50 MHz	256 kB	64 kB	10 bit	21 I/O	2.3 V	3.6 V	+ 85 C		Tube
32-bit Microcontrollers - MCU 256KB 64KBRM USB-OTG 2 CAN ETH 80MHz 10b PIC32MX775F256H-80V/PT Microchip Technology 1: $10.63 70In Stock	Mfr. Part No. PIC32MX775F256H-80V/PT Mouser Part No 579-32MX775F256H80VT	Microchip Technology	32-bit Microcontrollers - MCU 256KB 64KBRM USB-OTG 2 CAN ETH 80MHz 10b Learn More about Microchip Technology microchip pic32mxx mcus	Datasheet	70In Stock	$10.63 $9.73 $8.84	Min.: 1 Mult.: 1		SMD/SMT	TQFP-64	MIPS32 M4K	32 bit	80 MHz	256 kB	64 kB	10 bit	53 I/O	2.3 V	3.6 V	+ 85 C		Tray