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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.	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
16-bit Microcontrollers - MCU 16B 256KB FL 32KBR 60MHz 64P OpAmps PIC24EP256MC206-I/PT Microchip Technology 1: $4.92 340In Stock	Mfr. Part # PIC24EP256MC206-I/PT Mouser Part # 579-PIC24256MC206IPT	Microchip Technology	16-bit Microcontrollers - MCU 16B 256KB FL 32KBR 60MHz 64P OpAmps Learn More about Microchip Technology microchip dspic33e dscs pic24e mcus	Datasheet	340In Stock	$4.92 $4.53 $4.09	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	PIC24E	256 kB	16 bit	10 bit, 12 bit	60 MHz	53 I/O	32 kB	3 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tray
16-bit Microcontrollers - MCU 100P 256KB 28KB RAM 60 MHz USB PIC24EP256GU810-I/PT Microchip Technology 1: $10.22 232In Stock	Mfr. Part # PIC24EP256GU810-I/PT Mouser Part # 579-PIC24EPGU810IPT	Microchip Technology	16-bit Microcontrollers - MCU 100P 256KB 28KB RAM 60 MHz USB Learn More about Microchip Technology microchip dspic33e dscs pic24e mcus	Datasheet	232In Stock	$10.22 $9.38 $8.48	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	PIC24E	256 kB	16 bit	10 bit, 12 bit	60 MHz	83 I/O	28 kB	3 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tray
32-bit Microcontrollers - MCU 256 KB Flash 32KBRAM 80MHz 10B ADC PIC32MX440F256H-80I/PT Microchip Technology 1: $7.70 447In Stock	Mfr. Part # PIC32MX440F256H-80I/PT Mouser Part # 579-PIC324F256H80IPT	Microchip Technology	32-bit Microcontrollers - MCU 256 KB Flash 32KBRAM 80MHz 10B ADC Learn More about Microchip Technology microchip pic32mx mcu	Datasheet	447In Stock	$7.70 $7.05 $6.38	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	MIPS32 M4K	256 kB	32 bit	10 bit	80 MHz	51 I/O	32 kB	2.3 V	3.6 V	- 40 C	+ 85 C		Tray
32-bit Microcontrollers - MCU 256Kb FLASH 32Kb RAM 80MHz 10-B ADC PIC32MX340F256H-80I/PT Microchip Technology 1: $7.26 304In Stock 1,440On Order	Mfr. Part # PIC32MX340F256H-80I/PT Mouser Part # 579-PIC32MF256H80IPT	Microchip Technology	32-bit Microcontrollers - MCU 256Kb FLASH 32Kb RAM 80MHz 10-B ADC Learn More about Microchip Technology microchip pic32mx mcu	Datasheet	304In Stock 1,440On Order On Order Ship Dates Mfr. #: PIC32MX340F256H-80I/PT Stock: 304 Can Ship Immediately On Order: 480 Expected 11/4/2026 960 Expected 12/4/2026 Factory Lead-Time: 9 Weeks	$7.26 $6.65 $6.02	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	MIPS32 M4K	256 kB	32 bit	10 bit	80 MHz	53 I/O	32 kB	2.3 V	3.6 V	- 40 C	+ 85 C		Tray
32-bit Microcontrollers - MCU 256KB Flash 32KB RAM 80 MHz 10-B ADC PIC32MX360F256L-80I/PT Microchip Technology 1: $8.07 374In Stock	Mfr. Part # PIC32MX360F256L-80I/PT Mouser Part # 579-PIC32MX36F256L80	Microchip Technology	32-bit Microcontrollers - MCU 256KB Flash 32KB RAM 80 MHz 10-B ADC Learn More about Microchip Technology microchip pic32mx mcu	Datasheet	374In Stock	$8.07 $7.39 $6.70	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	MIPS32 M4K	256 kB	32 bit	10 bit	80 MHz	85 I/O	32 kB	2.3 V	3.6 V	- 40 C	+ 85 C		Tray
32-bit Microcontrollers - MCU 256KB Flash 64KB USB 1xCAN PIC32MX575F256H-80I/PT Microchip Technology 1: $9.26 379In Stock	Mfr. Part # PIC32MX575F256H-80I/PT Mouser Part # 579-PIC32MX575F256IP	Microchip Technology	32-bit Microcontrollers - MCU 256KB Flash 64KB USB 1xCAN Learn More about Microchip Technology microchip pic32mxx mcus	Datasheet	379In Stock	$9.26 $8.49 $7.69	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	MIPS32 M4K	256 kB	32 bit	10 bit	80 MHz	53 I/O	64 kB	2.3 V	3.6 V	- 40 C	+ 85 C		Tray
32-bit Microcontrollers - MCU 256KB Flash 64KB USB ENET PIC32MX675F256H-80I/PT Microchip Technology 1: $9.71 827In Stock	Mfr. Part # PIC32MX675F256H-80I/PT Mouser Part # 579-PIC32MX675F256PT	Microchip Technology	32-bit Microcontrollers - MCU 256KB Flash 64KB USB ENET Learn More about Microchip Technology microchip pic32mxx mcus	Datasheet	827In Stock	$9.71 $8.90 $8.07	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	MIPS32 M4K	256 kB	32 bit	10 bit	80 MHz	51 I/O	64 kB	2.3 V	3.6 V	- 40 C	+ 85 C		Tray
32-bit Microcontrollers - MCU 256KB Flash 64KB USB ENET PIC32MX775F256H-80I/PT Microchip Technology 1: $10.13 450In Stock	Mfr. Part # PIC32MX775F256H-80I/PT Mouser Part # 579-PIC32MX775F256PT	Microchip Technology	32-bit Microcontrollers - MCU 256KB Flash 64KB USB ENET Learn More about Microchip Technology microchip pic32mxx mcus	Datasheet	450In Stock	$10.13 $9.28 $8.41	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	MIPS32 M4K	256 kB	32 bit	10 bit	80 MHz	51 I/O	64 kB	2.3 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG330F256G-F-QFN64 Silicon Labs 1: $12.07 1,407In Stock	Mfr. Part # EFM32LG330F256G-F-QFN64 Mouser Part # 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	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-M4 32-bit 40 MHz 256 kB MCU EFM32PG1B100F256GM32-C0 Silicon Labs 1: $5.97 436In Stock 2,450Expected 11/17/2026	Mfr. Part # EFM32PG1B100F256GM32-C0 Mouser Part # 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 11/17/2026	$5.97 $4.73 $4.26 $3.92 View $3.62 $3.60 $3.50	Min.: 1 Mult.: 1	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: $3.94 3,374In Stock	Mfr. Part # EFM32PG23B200F256IM40-C Mouser Part # 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	$3.94 $3.19 $2.90 $2.61 View $2.25 $2.18 $2.17	Min.: 1 Mult.: 1	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 # EFM32PG23B210F256IM48-C Mouser Part # 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	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
ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash CY8C4248AZI-L475 Infineon Technologies 1: $12.52 580In Stock	Mfr. Part # CY8C4248AZI-L475 Mouser Part # 727-CY8C4248AZI-L475	Infineon Technologies	ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash Learn More about Infineon Technologies cypress psoc 4l soc	Datasheet	580In Stock	$12.52 $9.82 $8.74 $8.21 View $8.17 $7.77 $7.68 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	53 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash CY8C4248AZI-L485 Infineon Technologies 1: $13.48 986In Stock	Mfr. Part # CY8C4248AZI-L485 Mouser Part # 727-CY8C4248AZI-L485	Infineon Technologies	ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash Learn More about Infineon Technologies cypress psoc 4l soc	Datasheet	986In Stock	$13.48 $10.60 $9.44 $8.88 View $8.85 $8.32 $8.13 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	53 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU IOT-PSOC6 CY8C6244AZI-S4D93 Infineon Technologies 1: $6.38 1,697In Stock	Mfr. Part # CY8C6244AZI-S4D93 Mouser Part # 727-CY8C6244AZIS4D93	Infineon Technologies	ARM Microcontrollers - MCU IOT-PSOC6 Learn More about Infineon Technologies infineon psoc 62 mcus	Datasheet	1,697In Stock	$6.38 $4.89 $4.29 $4.07 View $4.06 $3.85 $3.57 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-80	ARM Cortex M0+, ARM Cortex M4	256 kB	32 bit	12 bit	100 MHz, 150 MHz	62 I/O	128 kB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
32-bit Microcontrollers - MCU 32 Bit MCU Rev C ETH,CAN,Camera,SD FT900Q-C-T Bridgetek 1: $13.09 246In Stock	Mfr. Part # FT900Q-C-T Mouser Part # 895-FT900Q-C-T	Bridgetek	32-bit Microcontrollers - MCU 32 Bit MCU Rev C ETH,CAN,Camera,SD Learn More about Bridgetek ftdi ft90x microcontrollers	Datasheet	246In Stock	$13.09 $9.94 $9.53 $8.40 View $7.85 $7.77 $7.64 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-100	FT32	256 kB	32 bit	8 bit/10 bit	100 MHz	66 I/O	256 kB	1.08 V	1.32 V	- 40 C	+ 85 C		Tray
32-bit Microcontrollers - MCU MCF51AC 32-bit MCU, ColdFire V1 core, 256KB Flash, 50MHz, QFP 64 MCF51AC256AVPUE NXP Semiconductors 1: $25.27 382In Stock End of Life	Mfr. Part # MCF51AC256AVPUE Mouser Part # 841-MCF51AC256AVPUE End of Life	NXP Semiconductors	32-bit Microcontrollers - MCU MCF51AC 32-bit MCU, ColdFire V1 core, 256KB Flash, 50MHz, QFP 64	Datasheet	382In Stock	$25.27 $19.87 $18.91 $17.21 View $16.67 $16.00 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ColdFire V1	256 kB	32 bit	12 bit	50.33 MHz	54 I/O	32 kB	2.7 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Smart Sensor ASSP/ASIC with 256kB Flash ADUCM356BCCZ Analog Devices 1: $32.61 153In Stock	Mfr. Part # ADUCM356BCCZ Mouser Part # 584-ADUCM356BCCZ	Analog Devices	ARM Microcontrollers - MCU Smart Sensor ASSP/ASIC with 256kB Flash Learn More about Analog Devices adi aducm356 microcontrollers	Datasheet	153In Stock	$32.61 $27.47 $26.23 $23.46 View $21.92 $21.73 Quote	Min.: 1 Mult.: 1	SMD/SMT	LGA-72	ARM Cortex M3	256 kB	32 bit	16 bit	26 MHz	17 I/O	64 kB	2.8 V	3.6 V	- 40 C	+ 85 C		Tray
16-bit Microcontrollers - MCU 16-bit MCU, S12X core, 256KB Flash, 80MHz, -40/+105degC, Automotive Qualified, QFP 144 S912XHZ256F1VAG NXP Semiconductors 1: $42.15 299In Stock	Mfr. Part # S912XHZ256F1VAG Mouser Part # 841-S912XHZ256F1VAG	NXP Semiconductors	16-bit Microcontrollers - MCU 16-bit MCU, S12X core, 256KB Flash, 80MHz, -40/+105degC, Automotive Qualified, QFP 144	Datasheet	299In Stock	$42.15 $35.50 $33.90 $30.32 View $29.60 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	HCS12X	256 kB	16 bit	10 bit	80 MHz	49 I/O	16 kB	2.35 V	2.75 V	- 40 C	+ 105 C	AEC-Q100	Tray
ARM Microcontrollers - MCU LPC55S16JEV59 NXP Semiconductors LPC55S16JEV59E LPC55S16JEV59E NXP Semiconductors 1: $7.77 465In Stock	Mfr. Part # LPC55S16JEV59E Mouser Part # 771-LPC55S16JEV59E	NXP Semiconductors	ARM Microcontrollers - MCU LPC55S16JEV59	Datasheet	465In Stock	$7.77 $6.01 $5.30 $5.08 View $4.71 $4.59 $4.50 Quote	Min.: 1 Mult.: 1	SMD/SMT	VFBGA-59	ARM Cortex M33	256 kB	32 bit	16 bit	150 MHz	37 I/O	96 kB	1.8 V	3.6 V	- 40 C	+ 105 C		Tray
16-bit Microcontrollers - MCU 16BIT MCU3/5V 256K 100-QFP Renesas Electronics M30624FGPGP#33C M30624FGPGP#33C Renesas Electronics 1: $40.86 98In Stock	Mfr. Part # M30624FGPGP#33C Mouser Part # 968-M30624FGPGP#33C	Renesas Electronics	16-bit Microcontrollers - MCU 16BIT MCU3/5V 256K 100-QFP	Datasheet	98In Stock	$40.86 $34.41 $30.36 $23.92	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	M16C/60	256 kB	16 bit	10 bit	24 MHz	87 I/O	20 kB	2.7 V	5.5 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU STM32U073MCT6 STMicroelectronics 1: $5.19 152In Stock 714Expected 6/7/2027	Mfr. Part # STM32U073MCT6 Mouser Part # 511-STM32U073MCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU Learn More about STMicroelectronics stm stm32u0 low power mcus	Datasheet	152In Stock 714Expected 6/7/2027	$5.19 $3.40 $3.04 $2.82	Min.: 1 Mult.: 1 Max.: 250			ARM Cortex M0	256 kB			48 MHz								Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU STM32U083RCT6 STMicroelectronics 1: $4.39 72In Stock 14,400On Order	Mfr. Part # STM32U083RCT6 Mouser Part # 511-STM32U083RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU Learn More about STMicroelectronics stm stm32u0 low power mcus	Datasheet	72In Stock 14,400On Order On Order Ship Dates Mfr. #: STM32U083RCT6 Stock: 72 Can Ship Immediately On Order: 6,720 Expected 11/12/2026 7,680 Expected 10/28/2027 Factory Lead-Time: 52 Weeks	$4.39 $3.31 $2.88 $2.67 View $2.65 $2.45 $2.44	Min.: 1 Mult.: 1 Max.: 960			ARM Cortex M0	256 kB			48 MHz								Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash STM32U535CCU6Q STMicroelectronics 1: $7.30 70In Stock	Mfr. Part # STM32U535CCU6Q Mouser Part # 511-STM32U535CCU6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	70In Stock	$7.30 $5.60 $4.92 $4.71 View $4.67 $4.24 $3.96 $3.90 Quote	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-48	ARM Cortex M33	256 kB	32 bit	12 bit, 14 bit	160 MHz	33 I/O	574 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash STM32U535RCI6Q STMicroelectronics 1: $8.40 76In Stock	Mfr. Part # STM32U535RCI6Q Mouser Part # 511-STM32U535RCI6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	76In Stock	$8.40 $6.15 $5.65 $5.13 View $5.01 $4.71 $4.65 Quote	Min.: 1 Mult.: 1	SMD/SMT	UFBGA-64	ARM Cortex M33	256 kB	32 bit	12 bit	160 MHz		274 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray