.hide-partial { max-height: none; } .show-more { display: none; }

256 kB ARM Microcontrollers - MCU

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 1,877

Applied Filters:

Program Memory Size = 256 kB

Manufacturer

Series

Mounting Style

Package/Case

Core

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

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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 QFNGREENIND ATSAM4S4AA-MU Microchip Technology 1: $4.87 128In Stock	Mfr. Part No. ATSAM4S4AA-MU Mouser Part No 556-ATSAM4S4AA-MU	Microchip Technology	ARM Microcontrollers - MCU QFNGREENIND Learn More about Microchip Technology atmelsam4s	Datasheet	128In Stock	$4.87 $4.43 $4.02	Min.: 1 Mult.: 1	SAM4S	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	120 MHz	34 I/O	64 kB	1.08 V	1.32 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 64TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R ATSAMC20J18A-AUT Microchip Technology 1: $3.31 467In Stock	Mfr. Part No. ATSAMC20J18A-AUT Mouser Part No 556-ATSAMC20J18A-AUT	Microchip Technology	ARM Microcontrollers - MCU 64TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R Learn More about Microchip Technology atmel smart samc mcu	Datasheet	467In Stock	Cut Tape $3.31 $3.19 Reel $2.72 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	ATSAMC20	SMD/SMT	TQFP-64	ARM Cortex M0+	256 kB	32 bit	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 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	SAMD1/2x	SMD/SMT	TQFP-32	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Cortx-M0+256KB FLASH ATSAMD20E18A-AU Microchip Technology 1: $3.14 259In Stock	Mfr. Part No. ATSAMD20E18A-AU Mouser Part No 556-ATSAMD20E18A-AU	Microchip Technology	ARM Microcontrollers - MCU Cortx-M0+256KB FLASH Learn More about Microchip Technology atmel samd20 mcu	Datasheet	259In Stock	$3.14 $2.87 $2.58	Min.: 1 Mult.: 1	SAMD1/2x	SMD/SMT	TQFP-32	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	1.95 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 32QFN 105C, GREEN,1.6-3.6V,48MHz ATSAMD20E18A-MN Microchip Technology 1: $3.23 243In Stock	Mfr. Part No. ATSAMD20E18A-MN Mouser Part No 556-ATSAMD20E18A-MN	Microchip Technology	ARM Microcontrollers - MCU 32QFN 105C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology atmel samd20 mcu	Datasheet	243In Stock	$3.23 $2.93 $2.67	Min.: 1 Mult.: 1	SAMD1/2x	SMD/SMT	QFN-32	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU 48TQFP 105C, GREEN,1.6-3.6V,48MHz ATSAMD20G18A-AN Microchip Technology 1: $3.47 177In Stock	Mfr. Part No. ATSAMD20G18A-AN Mouser Part No 556-ATSAMD20G18A-AN	Microchip Technology	ARM Microcontrollers - MCU 48TQFP 105C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology atmel samd20 mcu	Datasheet	177In Stock	$3.47 $3.14 $2.94 $2.93	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	3.63 V	- 40 C	+ 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	SAMD21	SMD/SMT	QFN-32	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 32QFN 125C, GREEN,1.6-3.6V,48MHz ATSAMD21E18A-MFT Microchip Technology 1: $4.35 1,002In Stock	Mfr. Part No. ATSAMD21E18A-MFT Mouser Part No 556-ATSAMD21E18A-MFT	Microchip Technology	ARM Microcontrollers - MCU 32QFN 125C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	1,002In Stock	Cut Tape $4.35 $4.20 Reel $3.58 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SAMD21	SMD/SMT	QFN-32	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU CM4, QFN 64, 256KFlash,Tray, USB,Extended Temp ATSAMD51J18A-MF Microchip Technology 1: $5.76 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	$5.76 $5.28 $4.78	Min.: 1 Mult.: 1	ATSAMD51	SMD/SMT	VQFN-64	ARM Cortex M4F	256 kB	32 bit	12 bit	120 MHz	51 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU CM4, QFN 64, 256KFlash,Tray, USB,Ethernet,Extended Temp ATSAME53J18A-MF Microchip Technology 1: $6.48 203In Stock	Mfr. Part No. ATSAME53J18A-MF Mouser Part No 556-ATSAME53J18A-MF	Microchip Technology	ARM Microcontrollers - MCU CM4, QFN 64, 256KFlash,Tray, USB,Ethernet,Extended Temp Learn More about Microchip Technology microchip sam e5 mcu	Datasheet	203In Stock	$6.48 $5.93 $5.40	Min.: 1 Mult.: 1	ATSAME53	SMD/SMT	VQFN-64	ARM Cortex M4F	256 kB	32 bit	12 bit	120 MHz	51 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU IOT-PSOC6 CY8C6244AZI-S4D92 Infineon Technologies 1: $6.27 297In Stock	Mfr. Part No. CY8C6244AZI-S4D92 Mouser Part No 727-CY8C6244AZIS4D92	Infineon Technologies	ARM Microcontrollers - MCU IOT-PSOC6 Learn More about Infineon Technologies infineon psoc 62 mcus	Datasheet	297In Stock	$6.27 $4.81 $4.22 $3.93 View $3.68 $3.55 Quote	Min.: 1 Mult.: 1	PSOC 62	SMD/SMT	TQFP-64	ARM Cortex M0+, ARM Cortex M4	256 kB	32 bit	12 bit	100 MHz, 150 MHz	54 I/O	128 kB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU CORTEX M4F 96MHZ ME11, TQFN 3X3 MAX32660GTG+ Analog Devices / Maxim Integrated 1: $6.76 414In Stock	Mfr. Part No. MAX32660GTG+ Mouser Part No 700-MAX32660GTG+	Analog Devices / Maxim Integrated	ARM Microcontrollers - MCU CORTEX M4F 96MHZ ME11, TQFN 3X3 Learn More about Analog Devices / Maxim Integrated maxim max32660 mcu	Datasheet	414In Stock	$6.76 $4.64 $4.33 $3.81 View $3.61 $3.04 $2.80 $2.76 Quote	Min.: 1 Mult.: 1	MAX32660	SMD/SMT	TQFN-24	ARM Cortex M4	256 kB	32 bit	No ADC	96 MHz	14 I/O	96 kB	1.045 V	1.155 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STMicroelectronics STM32H523ZCJ6 STM32H523ZCJ6 STMicroelectronics 1: $6.52 168In Stock	Mfr. Part No. STM32H523ZCJ6 Mouser Part No 511-STM32H523ZCJ6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	168In Stock	$6.52 $4.99 $4.38 $4.19 View $3.87 $3.72 $3.66 Quote	Min.: 1 Mult.: 1	STM32H5	SMD/SMT	UFBGA-144	ARM Cortex M33	256 kB	32 bit	12 bit	250 MHz		272 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU XMC4000 Infineon Technologies XMC4200F64F256BAXQMA1 XMC4200F64F256BAXQMA1 Infineon Technologies 1: $7.97 599In Stock	Mfr. Part No. XMC4200F64F256BAXQMA1 Mouser Part No 726-XMC4200F64F256BA	Infineon Technologies	ARM Microcontrollers - MCU XMC4000 Learn More about Infineon Technologies infineon xmc4000 mcus	Datasheet	599In Stock	$7.97 $6.14 $5.45 $5.12 View $5.04 $4.78 $4.77 Quote	Min.: 1 Mult.: 1	XMC4200	SMD/SMT	TQFP-64	ARM Cortex M4	256 kB	32 bit/16 bit	12 bit	80 MHz	35 I/O	40 kB	3 V	3.63 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU XMC4000 Infineon Technologies XMC4200F64K256BAXQSA1 XMC4200F64K256BAXQSA1 Infineon Technologies 1: $9.75 1,156In Stock	Mfr. Part No. XMC4200F64K256BAXQSA1 Mouser Part No 726-XMC4200F64K256BA	Infineon Technologies	ARM Microcontrollers - MCU XMC4000 Learn More about Infineon Technologies infineon xmc4000 mcus	Datasheet	1,156In Stock	$9.75 $7.56 $6.68 $6.26 View $6.02 Quote	Min.: 1 Mult.: 1	XMC4200	SMD/SMT	TQFP-64	ARM Cortex M4	256 kB	32 bit/16 bit	12 bit	80 MHz	35 I/O	40 kB	3 V	3.63 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU 32bit M0 Flash/RAM=256KB/32KB+SPROM 2048B+16xADC+6UART+USB M032SG6AE Nuvoton 1: $3.35 243In Stock	Mfr. Part No. M032SG6AE Mouser Part No 503-M032SG6AE	Nuvoton	ARM Microcontrollers - MCU 32bit M0 Flash/RAM=256KB/32KB+SPROM 2048B+16xADC+6UART+USB Learn More about Nuvoton m031 m032 mcus	Datasheet	243In Stock	$3.35 $2.80 $2.47 $2.33 View $2.28 $2.13 $2.11 $1.99	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	72 MHz	51 I/O	32 kB	1.8 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, USB, Triple CA M483KGCAE Nuvoton 1: $5.58 40In Stock 180Expected 2027/06/29	Mfr. Part No. M483KGCAE Mouser Part No 503-M483KGCAE	Nuvoton	ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, USB, Triple CA Learn More about Nuvoton m483 can mcus	Datasheet	40In Stock 180Expected 2027/06/29	$5.58 $4.64 $3.92 $3.73 View $3.59 $3.43 $3.34 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-128	ARM Cortex M4F	256 kB	32 bit	12 bit	192 MHz	100 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, Dual ADC, USB, M483SGCAE2A Nuvoton 1: $5.87 20In Stock	Mfr. Part No. M483SGCAE2A Mouser Part No 503-M483SGCAE2A	Nuvoton	ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, Dual ADC, USB, Learn More about Nuvoton m483 can mcus	Datasheet	20In Stock	$5.87 $4.68 $3.73 $3.54 View $3.33 $3.20	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	12 bit	192 MHz	52 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN STM32C542KCT6 STMicroelectronics 1: $3.33 11In Stock 1,500Expected 2026/12/24 New Product	Mfr. Part No. STM32C542KCT6 Mouser Part No 511-STM32C542KCT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN Learn More about STMicroelectronics st stm32c5 arm core mainstream mcus	Datasheet	11In Stock 1,500Expected 2026/12/24	$3.33 $2.17 $1.99	Min.: 1 Mult.: 1 Max.: 50	STM32C5	SMD/SMT	LQFP-32	ARM Cortex M33	256 kB	32 bit	12 bit	144 MHz	25 I/O	64 kB	2.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Value line MCU 256 Kbytes of Flash , 48 MHz CPU STM32F030RCT6 STMicroelectronics 1: $5.08 62In Stock 3,840On Order	Mfr. Part No. STM32F030RCT6 Mouser Part No 511-STM32F030RCT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Value line MCU 256 Kbytes of Flash , 48 MHz CPU Learn More about STMicroelectronics stm32f0	Datasheet	62In Stock 3,840On Order	$5.08 $3.73 $3.26 $2.83 View $2.76 $2.69 $2.67	Min.: 1 Mult.: 1	STM32F030RC	SMD/SMT	LQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	51 I/O	32 kB	2.4 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091CCT6TR STMicroelectronics 1: $7.33 41In Stock 2,400Expected 2026/12/07	Mfr. Part No. STM32F091CCT6TR Mouser Part No 511-STM32F091CCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C Learn More about STMicroelectronics stm32f0	Datasheet	41In Stock 2,400Expected 2026/12/07	Cut Tape $7.33 $5.59 $5.07 $4.63 View Reel $3.90 $4.51 $4.11 $3.90 $3.90 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32F091CC	SMD/SMT	LQFP-48	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	38 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091CCT7 STMicroelectronics 1: $8.06 38In Stock 1,500Expected 2027/08/23	Mfr. Part No. STM32F091CCT7 Mouser Part No 511-STM32F091CCT7	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C Learn More about STMicroelectronics stm32f0	Datasheet	38In Stock 1,500Expected 2027/08/23	$8.06 $5.97 $5.40 $4.90 View $4.78 $4.38	Min.: 1 Mult.: 1	STM32F091CC	SMD/SMT	LQFP-48	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	38 I/O	32 kB	2 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091RCT6 STMicroelectronics 1: $8.04 38In Stock 18,240On Order	Mfr. Part No. STM32F091RCT6 Mouser Part No 511-STM32F091RCT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C Learn More about STMicroelectronics stm32f0	Datasheet	38In Stock 18,240On Order	$8.04 $6.19 $5.45 $4.78 $4.77	Min.: 1 Mult.: 1	STM32F091RC	SMD/SMT	LQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	52 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091RCT6TR STMicroelectronics 1: $8.06 7In Stock 1,000On Order	Mfr. Part No. STM32F091RCT6TR Mouser Part No 511-STM32F091RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C Learn More about STMicroelectronics stm32f0	Datasheet	7In Stock 1,000On Order	Cut Tape $8.06 $5.87 $5.40 $4.90 View Reel $4.26 $4.78 $4.38 $4.26 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F091RC	SMD/SMT	LQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	52 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091VCT6TR STMicroelectronics 1: $9.18 36In Stock	Mfr. Part No. STM32F091VCT6TR Mouser Part No 511-STM32F091VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C Learn More about STMicroelectronics stm32f0	Datasheet	36In Stock	Cut Tape $9.18 $6.41 $6.11 $5.31 View Reel $4.71 $5.07 $4.84 $4.71	Min.: 1 Mult.: 1 : 1,000	STM32F091VCT6	SMD/SMT	LQFP-100	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	88 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape