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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 (GBP) 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: £4.01 69In Stock 60,000On Order	Mfr. Part No. STM32F030CCT6 Mouser Part No 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	69In Stock 60,000On Order On Order Ship Dates Mfr. No: STM32F030CCT6 Stock: 69 Can Dispatch Immediately On Order: 19,500 Expected 30/11/2026 16,500 Expected 19/12/2026 24,000 Expected 24/03/2027 Factory Lead Time: 40 Weeks	£4.01 £2.83 £2.71 £2.23 View £1.86 £1.81 £1.77	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: £5.28 2,313In Stock 3,120Expected 05/07/2027	Mfr. Part No. STM32F091CCU6 Mouser Part No 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 05/07/2027	£5.28 £3.99 £3.57 £3.33 View £3.25 £3.08 £3.02 £2.96 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: £8.69 947In Stock	Mfr. Part No. STM32F107RCT7 Mouser Part No 511-STM32F107RCT7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 256kb Connectivity Learn More about STMicroelectronics STM32F107	Datasheet	947In Stock	£8.69 £6.97 £6.26 £5.85 View £5.71 £5.42 £5.39	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: £8.61 407In Stock 1,000Expected 27/01/2027	Mfr. Part No. STM32F107VCT6TR Mouser Part No 511-STM32F107VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU STM32F105 Conn Line M3 256kB 72 MHz MCU Learn More about STMicroelectronics STM32F107	Datasheet	407In Stock 1,000Expected 27/01/2027	Cut Tape £8.61 £7.00 £6.29 £5.97 Reel £5.33 View £5.83 £5.50 £5.23 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: £9.92 373In Stock	Mfr. Part No. STM32F107VCT7 Mouser Part No 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	£9.92 £7.25 £6.68 £6.61 View £6.15 £5.77 £5.74	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: £10.00 676In Stock 960On Order	Mfr. Part No. STM32F205RCT7 Mouser Part No 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	£10.00 £7.82 £7.39 £6.52 View £6.16 £5.57 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: £6.46 894In Stock 3,000On Order	Mfr. Part No. STM32F302CCT7 Mouser Part No 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. No: STM32F302CCT7 Stock: 894 Can Dispatch Immediately On Order: 1,500 Expected 31/05/2027 1,500 Expected 08/11/2027 Factory Lead Time: 40 Weeks	£6.46 £4.98 £4.40 £4.22 View £4.12 £3.99 £3.67 £3.61	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: £7.45 363In Stock	Mfr. Part No. STM32F302VCT6TR Mouser Part No 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 £7.45 £5.79 £5.12 £4.91 View Reel £4.44 £4.86 £4.57 £4.44	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: £9.23 1,066In Stock 540Expected 21/12/2026	Mfr. Part No. STM32F303VCT7 Mouser Part No 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	1,066In Stock 540Expected 21/12/2026	£9.23 £6.72 £6.18 £6.13 View £5.74 £5.39 £5.29 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: £7.31 1,137In Stock	Mfr. Part No. STM32F373CCT6 Mouser Part No 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	£7.31 £5.67 £5.01 £4.78 View £4.57 £4.37 £4.35 £4.34	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: £7.40 745In Stock 1,000On Order	Mfr. Part No. STM32F373RCT6TR Mouser Part No 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 1,000On Order	Cut Tape £7.40 £5.75 £5.08 £4.88 Reel £4.24 View £4.84 £4.53 £4.18 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: £7.40 1,257In Stock	Mfr. Part No. STM32F373VCT6 Mouser Part No 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	£7.40 £5.80 £5.49 £4.85 Quote 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: £4.50 2,520In Stock 7,800On Order	Mfr. Part No. STM32F401CCU6 Mouser Part No 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. No: STM32F401CCU6 Stock: 2,520 Can Dispatch Immediately On Order: 4,680 Expected 22/02/2027 3,120 TBD Factory Lead Time: 52 Weeks	£4.50 £3.44 £3.01 £2.88 View £2.73 £2.65 £2.62 £2.57 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: £4.78 1,421In Stock 10,000On Order	Mfr. Part No. STM32F401CCU6TR Mouser Part No 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. No: STM32F401CCU6TR Stock: 1,421 Can Dispatch Immediately On Order: 5,000 Expected 15/03/2027 5,000 TBD Factory Lead Time: 52 Weeks	Cut Tape £4.78 £3.66 £3.35 £3.08 View Reel £2.51 £3.06 £2.70 £2.65 £2.51 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: £4.79 2,171In Stock	Mfr. Part No. STM32F401CCU7 Mouser Part No 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	£4.79 £3.67 £3.21 £3.07 View £2.84 £2.83	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: £6.55 466In Stock	Mfr. Part No. STM32F401VCT7 Mouser Part No 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	£6.55 £4.75 £4.42 £3.94 View £3.75 £3.42 £3.37 £3.33 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: £7.73 322In Stock	Mfr. Part No. STM32F446VCT6 Mouser Part No 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	£7.73 £5.70 £5.43 £4.89 View £4.75 £4.28 £4.21 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: £7.60 710In Stock	Mfr. Part No. STM32F446VCT7 Mouser Part No 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	£7.60 £5.50 £5.08 £4.82 View £4.69 £4.56 £4.18 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: £6.14 662In Stock	Mfr. Part No. STM32L100RCT6 Mouser Part No 511-STM32L100RCT6	STMicroelectronics	ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	662In Stock	£6.14 £4.75 £4.18 £3.90 View £3.68 £3.67	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: £6.23 1,050In Stock	Mfr. Part No. STM32L152CCT6 Mouser Part No 511-STM32L152CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	1,050In Stock	£6.23 £4.85 £4.43 £4.11 View £3.95 £3.81 £3.77 £3.76	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: £6.71 789In Stock	Mfr. Part No. STM32L152RCT6 Mouser Part No 511-STM32L152RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	789In Stock	£6.71 £5.19 £4.58 £4.29 View £4.12 £3.87 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: £4.37 1,840In Stock	Mfr. Part No. STM32L431RCI6 Mouser Part No 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	£4.37 £3.33 £2.92 £2.78	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: £4.58 1,995In Stock 1,500On Order	Mfr. Part No. STM32L433CCT6 Mouser Part No 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	1,995In Stock 1,500On Order	£4.58 £3.51 £3.07 £2.93 £2.71	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: £5.57 783In Stock 1,560On Order	Mfr. Part No. STM32L433CCU3 Mouser Part No 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	£5.57 £4.16 £3.78 £3.45 £3.35	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: £5.50 1,022In Stock	Mfr. Part No. STM32L443CCU6 Mouser Part No 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	£5.50 £4.04 £3.76 £3.31 £3.13	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	QFN-48	ARM Cortex M4	38 I/O	32 bit	12 bit