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256 kB Microcontrollers - MCU

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Program Memory Size = 256 kB

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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	Packaging
ARM Microcontrollers - MCU 32bit M0 Flash/RAM=256KB/32KB+SPROM 2048B+16xADC+6UART+USB M032SG6AE Nuvoton 1: $3.35 243In Stock	Mfr. Part # M032SG6AE Mouser Part # 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 $2.46 $2.33 View $2.32 $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 6/29/2027	Mfr. Part # M483KGCAE Mouser Part # 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 6/29/2027	$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 # M483SGCAE2A Mouser Part # 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-M0 Value line MCU 256 Kbytes of Flash , 48 MHz CPU STM32F030CCT6TR STMicroelectronics 1: $5.65 615In Stock 37,495On Order	Mfr. Part # STM32F030CCT6TR Mouser Part # 511-STM32F030CCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Value line MCU 256 Kbytes of Flash , 48 MHz CPU Learn More about STMicroelectronics stm32f0	Datasheet	615In Stock 37,495On Order On Order Ship Dates Mfr. #: STM32F030CCT6TR Stock: 615 Can Ship Immediately On Order: 8,695 Expected 11/19/2026 28,800 Expected 9/20/2027 Factory Lead-Time: 40 Weeks	Cut Tape $5.65 $3.22 $2.96 $2.67 View Reel $2.31 $2.45 $2.31 $2.31 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	SMD/SMT	LQFP-48	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	37 I/O	32 kB	2.4 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
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 # STM32F030RCT6 Mouser Part # 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 $3.25 $2.82 View $2.75 $2.69 $2.68	Min.: 1 Mult.: 1	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: $7.32 41In Stock 2,400Expected 12/14/2026	Mfr. Part # STM32F091CCT6TR Mouser Part # 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 12/14/2026	Cut Tape $7.32 $5.59 $5.07 $4.63 View Reel $4.10 $4.51 $4.10 $4.10 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	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 8/23/2027	Mfr. Part # STM32F091CCT7 Mouser Part # 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 8/23/2027	$8.06 $5.96 $5.40 $4.90 View $4.78 $4.38	Min.: 1 Mult.: 1	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 # STM32F091RCT6 Mouser Part # 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	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 # STM32F091RCT6TR Mouser Part # 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	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 STM32F091VCT6 STMicroelectronics 1: $9.17 34In Stock 2,160Expected 11/1/2027	Mfr. Part # STM32F091VCT6 Mouser Part # 511-STM32F091VCT6	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	34In Stock 2,160Expected 11/1/2027	$9.17 $6.41 $6.11 $5.31 View $5.07 $4.84	Min.: 1 Mult.: 1	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	Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091VCT6TR STMicroelectronics 1: $9.17 36In Stock	Mfr. Part # STM32F091VCT6TR Mouser Part # 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 $9.17 $6.41 $6.11 $5.31 View Reel $4.71 $5.07 $4.84 $4.71	Min.: 1 Mult.: 1 : 1,000	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
ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 32kB Flash STM32F100VCT6BTR STMicroelectronics 1: $8.31 146In Stock	Mfr. Part # STM32F100VCT6BTR Mouser Part # 511-STM32F100VCT6BTR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 32kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	146In Stock	Cut Tape $8.31 $6.43 $5.67 $5.44 View Reel $5.04 $5.24 $5.04 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	24 MHz	80 I/O	24 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU STM32F101RCT6 STMicroelectronics 1: $9.64 31In Stock 960Expected 11/19/2026	Mfr. Part # STM32F101RCT6 Mouser Part # 511-STM32F101RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	31In Stock 960Expected 11/19/2026	$9.64 $7.23 $6.89 $6.35 View $6.21 $5.87 $5.65	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	36 MHz	51 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU STM32F101ZCT6 STMicroelectronics 1: $11.06 99In Stock	Mfr. Part # STM32F101ZCT6 Mouser Part # 511-STM32F101ZCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	99In Stock	$11.06 $8.62 $7.55 $7.27 View $6.98 $6.57 $6.49 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	256 kB	32 bit	12 bit	36 MHz	112 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m STM32F103ZCT7TR STMicroelectronics 1: $13.59 57In Stock 500On Order	Mfr. Part # STM32F103ZCT7TR Mouser Part # 511-STM32F103ZCT7TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m Learn More about STMicroelectronics stm32f1	Datasheet	57In Stock 500On Order	Cut Tape $13.59 $10.66 $9.70 $9.12 $8.94 Reel $8.49 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	LQFP-144	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	112 I/O	64 kB	2 V	3.6 V	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32-Bit ARM Cortex 256kb Connectivity STM32F105RCT6TR STMicroelectronics 1: $10.69 27In Stock 1,000On Order	Mfr. Part # STM32F105RCT6TR Mouser Part # 511-STM32F105RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 256kb Connectivity Learn More about STMicroelectronics stm32f1	Datasheet	27In Stock 1,000On Order	Cut Tape $10.69 $8.26 $7.88 $6.84 View Reel $6.03 $6.63 $6.18 $6.03 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Connective ARM 32Bit 256kB Flash USB OTG STM32F105VCT6TR STMicroelectronics 1: $10.85 24In Stock 1,000Expected 1/27/2027	Mfr. Part # STM32F105VCT6TR Mouser Part # 511-STM32F105VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Connective ARM 32Bit 256kB Flash USB OTG Learn More about STMicroelectronics stm32f105	Datasheet	24In Stock 1,000Expected 1/27/2027	Cut Tape $10.85 $8.59 $7.99 $7.32 View Reel $6.27 $7.15 $6.58 $6.27 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	80 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Connectivity Line STM32F105VCT7 STMicroelectronics 1: $12.56 5In Stock 540Expected 10/25/2027	Mfr. Part # STM32F105VCT7 Mouser Part # 511-STM32F105VCT7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Connectivity Line Learn More about STMicroelectronics stm32f105	Datasheet	5In Stock 540Expected 10/25/2027	$12.56 $9.57 $8.99 $8.42 View $7.83 $7.82	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	80 I/O	64 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM STM32F107RCT6TR STMicroelectronics 1: $11.74 24In Stock 4,000On Order	Mfr. Part # STM32F107RCT6TR Mouser Part # 511-STM32F107RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM Learn More about STMicroelectronics STM32F107	Datasheet	24In Stock 4,000On Order	Cut Tape $11.74 $9.14 $8.45 $7.66 View Reel $6.82 $7.47 $7.00 $6.82 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F107VCT6 STMicroelectronics 1: $14.37 11,880On Order	Mfr. Part # STM32F107VCT6 Mouser Part # 511-STM32F107VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics STM32F107	Datasheet	11,880On Order On Order Ship Dates Mfr. #: STM32F107VCT6 Stock: 0 On Order: 3,240 Expected 8/2/2027 8,640 Expected 8/30/2027 Factory Lead-Time: 52 Weeks	$14.37 $11.26 $8.43 $8.42	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	80 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB STM32F205RCT6 STMicroelectronics 1: $12.64 157In Stock 960Expected 2/22/2027	Mfr. Part # STM32F205RCT6 Mouser Part # 511-STM32F205RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB Learn More about STMicroelectronics stm32f2	Datasheet	157In Stock 960Expected 2/22/2027	$12.64 $9.87 $9.21 $8.21 View $8.01 $7.61 $7.44 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	120 MHz	51 I/O	96 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash , 120 MHz CPU, ART Accel STM32F205RCT6TR STMicroelectronics 1: $11.82 86In Stock 3,000Expected 2/22/2027	Mfr. Part # STM32F205RCT6TR Mouser Part # 511-STM32F205RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash , 120 MHz CPU, ART Accel Learn More about STMicroelectronics stm32f2	Datasheet	86In Stock 3,000Expected 2/22/2027	Cut Tape $11.82 $9.66 $9.21 $7.71 $7.17 Reel $7.01 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT		ARM Cortex M3	256 kB	32 bit	12 bit	120 MHz	51 I/O	96 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB STM32F205VCT6 STMicroelectronics 1: $13.60 203In Stock 540Expected 2/22/2027	Mfr. Part # STM32F205VCT6 Mouser Part # 511-STM32F205VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB Learn More about STMicroelectronics stm32f2	Datasheet	203In Stock 540Expected 2/22/2027	$13.60 $10.02 $9.34 $8.86 $8.52	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	120 MHz	82 I/O	96 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High Perf ARM 32Bit 256kB Flash 100-Pin STM32F205VCT6TR STMicroelectronics 1: $14.66 21In Stock	Mfr. Part # STM32F205VCT6TR Mouser Part # 511-STM32F205VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU High Perf ARM 32Bit 256kB Flash 100-Pin Learn More about STMicroelectronics stm32f2	Datasheet	21In Stock	Cut Tape $14.66 $11.48 $9.26 $8.78 View Reel $8.29 $8.77 $8.29 $8.29 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	120 MHz	82 I/O	96 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 128kB STM32F205ZCT6 STMicroelectronics 1: $16.89 45In Stock 360On Order	Mfr. Part # STM32F205ZCT6 Mouser Part # 511-STM32F205ZCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 128kB Learn More about STMicroelectronics stm32f2	Datasheet	45In Stock 360On Order	$16.89 $13.30 $11.73 $10.03 $10.02	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	256 kB	32 bit	12 bit	120 MHz	114 I/O	96 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray