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256 kB Embedded Processors & Controllers

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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	Number of I/Os	Data Bus Width	ADC Resolution
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Value line MCU 256 Kbytes of Flash , 48 MHz CPU STM32F030CCT6 STMicroelectronics 1: $5.34 3,527In Stock 60,000On Order	Mfr. Part # STM32F030CCT6 Mouser Part # 511-STM32F030CCT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Value line MCU 256 Kbytes of Flash , 48 MHz CPU Learn More about STMicroelectronics stm32f0	Datasheet	3,527In Stock 60,000On Order On Order Ship Dates Mfr. #: STM32F030CCT6 Stock: 3,527 Can Ship Immediately On Order: 19,500 Expected 11/30/2026 16,500 Expected 12/19/2026 24,000 Expected 3/24/2027 Factory Lead-Time: 40 Weeks	$5.34 $3.77 $3.60 $2.96 View $2.48 $2.41 $2.36	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M0	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091CCU6 STMicroelectronics 1: $7.04 2,313In Stock 3,120Expected 7/5/2027	Mfr. Part # STM32F091CCU6 Mouser Part # 511-STM32F091CCU6	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	2,313In Stock 3,120Expected 7/5/2027	$7.04 $5.31 $4.75 $4.44 View $4.32 $4.11 $4.02 $3.94 Quote	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-48	ARM Cortex M0	38 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit ARM Cortex 256kb Connectivity STM32F107RCT7 STMicroelectronics 1: $11.57 947In Stock	Mfr. Part # STM32F107RCT7 Mouser Part # 511-STM32F107RCT7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 256kb Connectivity Learn More about STMicroelectronics STM32F107	Datasheet	947In Stock	$11.57 $9.28 $8.34 $7.79 View $7.61 $7.22 $7.18	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU STM32F105 Conn Line M3 256kB 72 MHz MCU STM32F107VCT6TR STMicroelectronics 1: $11.46 407In Stock 1,000Expected 1/27/2027	Mfr. Part # STM32F107VCT6TR Mouser Part # 511-STM32F107VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU STM32F105 Conn Line M3 256kB 72 MHz MCU Learn More about STMicroelectronics STM32F107	Datasheet	407In Stock 1,000Expected 1/27/2027	Cut Tape $11.46 $9.33 $8.37 $7.95 View Reel $7.09 $7.77 $7.33 $7.09 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, STM32F107VCT7 STMicroelectronics 1: $13.21 373In Stock	Mfr. Part # STM32F107VCT7 Mouser Part # 511-STM32F107VCT7	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, Learn More about STMicroelectronics STM32F107	Datasheet	373In Stock	$13.21 $9.66 $8.90 $8.80 View $8.19 $7.69 $7.65 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash , 120 MHz CPU, ART Accel STM32F205RCT7 STMicroelectronics 1: $13.32 676In Stock 960On Order	Mfr. Part # STM32F205RCT7 Mouser Part # 511-STM32F205RCT7	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	676In Stock 960On Order	$13.32 $10.42 $9.85 $8.69 View $8.21 $7.42 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F302CCT7 STMicroelectronics 1: $8.60 894In Stock 3,000On Order	Mfr. Part # STM32F302CCT7 Mouser Part # 511-STM32F302CCT7	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm 32f3	Datasheet	894In Stock 3,000On Order On Order Ship Dates Mfr. #: STM32F302CCT7 Stock: 894 Can Ship Immediately On Order: 1,500 Expected 5/31/2027 1,500 Expected 11/8/2027 Factory Lead-Time: 40 Weeks	$8.60 $6.64 $5.86 $5.62 View $5.49 $5.31 $4.88 $4.80	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M4	37 I/O	32 bit	2 x 6 bit/8 bit/10 bit/12 bit
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F302VCT6TR STMicroelectronics 1: $9.92 363In Stock	Mfr. Part # STM32F302VCT6TR Mouser Part # 511-STM32F302VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm 32f3	Datasheet	363In Stock	Cut Tape $9.92 $7.71 $6.82 $6.54 View Reel $5.92 $6.48 $6.08 $5.92	Min.: 1 Mult.: 1 : 1,000	SMD/SMT		ARM Cortex M4	87 I/O	32 bit	2 x 6 bit/8 bit/10 bit/12 bit
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F303VCT7 STMicroelectronics 1: $12.29 1,299In Stock 540Expected 12/21/2026	Mfr. Part # STM32F303VCT7 Mouser Part # 511-STM32F303VCT7	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm 32f3	Datasheet	1,299In Stock 540Expected 12/21/2026	$12.29 $8.95 $8.23 $8.16 View $7.64 $7.17 $7.05 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	87 I/O	32 bit	4 x 6 bit/8 bit/10 bit/12 bit
ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU STM32F373CCT6 STMicroelectronics 1: $9.73 1,137In Stock	Mfr. Part # STM32F373CCT6 Mouser Part # 511-STM32F373CCT6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU Learn More about STMicroelectronics stm 32f3	Datasheet	1,137In Stock	$9.73 $7.55 $6.68 $6.36 View $6.08 $5.82 $5.79 $5.78	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M4	56 I/O	32 bit	12 bit, 3 x 16 bit
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 KBytes of Flash STM32F373RCT6TR STMicroelectronics 1: $9.86 745In Stock 1,000Expected 11/1/2027	Mfr. Part # STM32F373RCT6TR Mouser Part # 511-STM32F373RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 KBytes of Flash Learn More about STMicroelectronics stm 32f3	Datasheet	745In Stock 1,000Expected 11/1/2027	Cut Tape $9.86 $7.66 $6.77 $6.50 Reel $5.65 View $6.44 $6.04 $5.57 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M4	80 I/O	32 bit	12 bit, 3 x 16 bit
ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU STM32F373VCT6 STMicroelectronics 1: $9.86 1,257In Stock	Mfr. Part # STM32F373VCT6 Mouser Part # 511-STM32F373VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU Learn More about STMicroelectronics stm 32f3	Datasheet	1,257In Stock	$9.86 $7.72 $7.31 $6.47 View $6.46 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	129 I/O	32 bit	12 bit, 3 x 16 bit
ARM Microcontrollers - MCU Cost effective DSP FPU ARM CortexM4 MCU STM32F401CCU6 STMicroelectronics 1: $6.00 2,520In Stock 7,800On Order	Mfr. Part # STM32F401CCU6 Mouser Part # 511-STM32F401CCU6	STMicroelectronics	ARM Microcontrollers - MCU Cost effective DSP FPU ARM CortexM4 MCU Learn More about STMicroelectronics stm32f4	Datasheet	2,520In Stock 7,800On Order On Order Ship Dates Mfr. #: STM32F401CCU6 Stock: 2,520 Can Ship Immediately On Order: 4,680 Expected 2/22/2027 3,120 TBD Factory Lead-Time: 52 Weeks	$6.00 $4.58 $4.01 $3.84 View $3.64 $3.53 $3.49 $3.42 Quote	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-48	ARM Cortex M4	36 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F401CCU6TR STMicroelectronics 1: $6.37 1,421In Stock 10,000On Order	Mfr. Part # STM32F401CCU6TR Mouser Part # 511-STM32F401CCU6TR	STMicroelectronics	ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm32f4	Datasheet	1,421In Stock 10,000On Order On Order Ship Dates Mfr. #: STM32F401CCU6TR Stock: 1,421 Can Ship Immediately On Order: 5,000 Expected 3/15/2027 5,000 TBD Factory Lead-Time: 52 Weeks	Cut Tape $6.37 $4.87 $4.47 $4.11 View Reel $3.35 $4.07 $3.59 $3.54 $3.35 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	UFQFPN-48	ARM Cortex M4	36 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F401CCU7 STMicroelectronics 1: $6.38 2,171In Stock	Mfr. Part # STM32F401CCU7 Mouser Part # 511-STM32F401CCU7	STMicroelectronics	ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm32f4	Datasheet	2,171In Stock	$6.38 $4.88 $4.28 $4.09 View $3.78 $3.77	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-48	ARM Cortex M4	36 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F401VCT7 STMicroelectronics 1: $8.72 466In Stock	Mfr. Part # STM32F401VCT7 Mouser Part # 511-STM32F401VCT7	STMicroelectronics	ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm32f4	Datasheet	466In Stock	$8.72 $6.33 $5.88 $5.24 View $5.00 $4.56 $4.49 $4.44 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	81 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl STM32F446VCT6 STMicroelectronics 1: $10.29 322In Stock	Mfr. Part # STM32F446VCT6 Mouser Part # 511-STM32F446VCT6	STMicroelectronics	ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl Learn More about STMicroelectronics stm32f4	Datasheet	322In Stock	$10.29 $7.59 $7.23 $6.51 View $6.33 $5.70 $5.60 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	81 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl STM32F446VCT7 STMicroelectronics 1: $10.13 710In Stock	Mfr. Part # STM32F446VCT7 Mouser Part # 511-STM32F446VCT7	STMicroelectronics	ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl Learn More about STMicroelectronics stm32f4	Datasheet	710In Stock	$10.13 $7.33 $6.77 $6.42 View $6.24 $6.07 $5.57 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	81 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz STM32L100RCT6 STMicroelectronics 1: $8.18 662In Stock	Mfr. Part # STM32L100RCT6 Mouser Part # 511-STM32L100RCT6	STMicroelectronics	ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	662In Stock	$8.18 $6.32 $5.57 $5.20 View $4.89 $4.88	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz STM32L152CCT6 STMicroelectronics 1: $8.30 1,050In Stock	Mfr. Part # STM32L152CCT6 Mouser Part # 511-STM32L152CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	1,050In Stock	$8.30 $6.45 $5.90 $5.48 View $5.26 $5.07 $5.02 $5.01	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz STM32L152RCT6 STMicroelectronics 1: $8.94 789In Stock	Mfr. Part # STM32L152RCT6 Mouser Part # 511-STM32L152RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	789In Stock	$8.94 $6.92 $6.11 $5.71 View $5.49 $5.15 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash STM32L431RCI6 STMicroelectronics 1: $5.81 1,840In Stock	Mfr. Part # STM32L431RCI6 Mouser Part # 511-STM32L431RCI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,840In Stock	$5.81 $4.43 $3.88 $3.71	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	UFBGA-64	ARM Cortex M4	52 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433CCT6 STMicroelectronics 1: $6.11 1,721In Stock 1,500On Order	Mfr. Part # STM32L433CCT6 Mouser Part # 511-STM32L433CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,721In Stock 1,500On Order	$6.11 $4.67 $4.09 $3.91 $3.61	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-48	ARM Cortex M4	38 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433CCU3 STMicroelectronics 1: $7.42 783In Stock 1,560On Order	Mfr. Part # STM32L433CCU3 Mouser Part # 511-STM32L433CCU3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	783In Stock 1,560On Order	$7.42 $5.55 $5.04 $4.59 $4.46	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	QFN-48	ARM Cortex M4	38 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 STM32L443CCU6 STMicroelectronics 1: $7.32 1,022In Stock	Mfr. Part # STM32L443CCU6 Mouser Part # 511-STM32L443CCU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,022In Stock	$7.32 $5.38 $5.01 $4.41 $4.18	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	QFN-48	ARM Cortex M4	38 I/O	32 bit	12 bit