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256 kB Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) 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 Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 KBytes of Flash STM32F373RCT6TR STMicroelectronics 1: $13.41 569In Stock	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	569In Stock	Cut Tape $13.41 $10.42 $9.21 $8.84 Reel $7.68 View $8.76 $8.21 $7.58 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit, 3 x 16 bit	72 MHz	80 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU STM32F373VCT6 STMicroelectronics 1: $13.41 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	$13.41 $10.50 $9.94 $8.80 View $8.79 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit, 3 x 16 bit	72 MHz	129 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Cost effective DSP FPU ARM CortexM4 MCU STM32F401CCU6 STMicroelectronics 1: $8.16 2,647In 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	2,647In Stock 7,800On Order On Order Ship Dates Mfr. No: STM32F401CCU6 Stock: 2,647 Can Dispatch Immediately On Order: 4,680 Expected 22/2/2027 3,120 TBD Factory Lead Time: 52 Weeks	$8.16 $6.23 $5.45 $5.22 View $4.95 $4.80 $4.75 $4.73	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 kB	32 bit	12 bit	84 MHz	36 I/O	64 kB	1.7 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F401CCU6TR STMicroelectronics 1: $8.65 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 22/2/2027 5,000 TBD Factory Lead Time: 52 Weeks	Cut Tape $8.65 $6.62 $6.08 $5.59 View Reel $4.56 $5.44 $4.88 $4.75 $4.56 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 kB	32 bit	12 bit	84 MHz	36 I/O	64 kB	1.7 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F401CCU7 STMicroelectronics 1: $8.68 2,175In 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	2,175In Stock	$8.68 $6.64 $5.82 $5.56 View $5.14 $5.11 $5.10	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 kB	32 bit	12 bit	84 MHz	36 I/O	64 kB	1.7 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F411CCU6TR STMicroelectronics 1: $8.76 497In Stock 2,500On Order	Mfr. Part No. STM32F411CCU6TR Mouser Part No 511-STM32F411CCU6TR	STMicroelectronics	ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm32f4	Datasheet	497In Stock 2,500On Order	Cut Tape $8.76 $6.70 $5.89 $5.63 View Reel $4.87 $5.20 $5.11 $4.87 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 kB	32 bit	12 bit	100 MHz	36 I/O	128 kB	1.7 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl STM32F446VCT6 STMicroelectronics 1: $13.99 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	$13.99 $10.32 $9.83 $8.85 View $8.61 $7.75 $7.62 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	3 x 12 bit	180 MHz	81 I/O	128 kB	1.7 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl STM32F446VCT7 STMicroelectronics 1: $13.78 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	$13.78 $9.97 $9.21 $8.73 View $8.49 $8.26 $7.58 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	3 x 12 bit	180 MHz	81 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 256 Kbytes of Flash 216 MHz CPU, A STM32F722RCT6 STMicroelectronics 1: $16.09 238In Stock	Mfr. Part No. STM32F722RCT6 Mouser Part No 511-STM32F722RCT6	STMicroelectronics	ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 256 Kbytes of Flash 216 MHz CPU, A Learn More about STMicroelectronics stm stm32f7 mcu fpu	Datasheet	238In Stock	$16.09 $13.06 $11.95 $11.14 View $10.88 $10.49 $10.47	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M7	256 kB	32 bit	3 x 12 bit	216 MHz	50 I/O	256 kB	1.7 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz STM32L100RCT6 STMicroelectronics 1: $11.12 837In 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	837In Stock	$11.12 $8.60 $7.58 $7.07 View $6.65 $6.64	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	51 I/O	16 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz STM32L152CCT6 STMicroelectronics 1: $11.14 1,008In 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	1,008In Stock	$11.14 $8.62 $8.00 $7.30 View $7.00 $6.61 $6.30 $6.07	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	37 I/O	32 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz STM32L152RCT6 STMicroelectronics 1: $12.16 750In 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	750In Stock	$12.16 $9.41 $8.31 $7.77 View $7.47 $7.00 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	51 I/O	32 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash STM32L431RCI6 STMicroelectronics 1: $7.90 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	$7.90 $6.02 $5.28 $5.05	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	UFBGA-64	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433CCT6 STMicroelectronics 1: $8.31 2,287In Stock	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	2,287In Stock	$8.31 $6.35 $5.56 $5.32 $4.91	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-48	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433CCU3 STMicroelectronics 1: $9.14 520In Stock	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	520In Stock	$9.14 $7.02 $6.16 $5.89	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 125 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 STM32L443CCU6 STMicroelectronics 1: $9.22 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	$9.22 $6.90 $6.24 $5.71 $5.56	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 STM32L443RCT6 STMicroelectronics 1: $11.10 2,488In Stock	Mfr. Part No. STM32L443RCT6 Mouser Part No 511-STM32L443RCT6	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	2,488In Stock	$11.10 $8.15 $7.59 $6.68 View $6.34 $5.68	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM STM32L451RCT6 STMicroelectronics 1: $7.62 3,433In Stock	Mfr. Part No. STM32L451RCT6 Mouser Part No 511-STM32L451RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	3,433In Stock	$7.62 $6.08 $5.67 $5.29 View $5.18 $4.77 $4.76	Min.: 1 Mult.: 1 Max.: 960	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	52 I/O	160 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM STM32L451VCT6 STMicroelectronics 1: $10.32 1,677In Stock	Mfr. Part No. STM32L451VCT6 Mouser Part No 511-STM32L451VCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,677In Stock	$10.32 $7.37 $6.79 $6.50	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	83 I/O	160 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB OTG, D STM32L476VCT6 STMicroelectronics 1: $12.68 798In Stock 7,560On Order	Mfr. Part No. STM32L476VCT6 Mouser Part No 511-STM32L476VCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB OTG, D Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	798In Stock 7,560On Order On Order Ship Dates Mfr. No: STM32L476VCT6 Stock: 798 Can Dispatch Immediately On Order: 1,620 Expected 24/2/2027 5,940 TBD Factory Lead Time: 52 Weeks	$12.68 $9.33 $8.79 $7.90 $7.40	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	3 x 12 bit	80 MHz	82 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 256 kbytes of Flash STM32L552RCT6 STMicroelectronics 1: $14.12 841In Stock	Mfr. Part No. STM32L552RCT6 Mouser Part No 511-STM32L552RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 256 kbytes of Flash Learn More about STMicroelectronics stm stm32 l5 mcus	Datasheet	841In Stock	$14.12 $10.98 $9.72 $9.11	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	LQFP-64	ARM Cortex M33	256 kB	32 bit	2 x 12 bit	110 MHz	52 I/O	256 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 64MHz Cortex-M0+ 32MHz 256Kbytes Flash STM32WB35CCU6A STMicroelectronics 1: $9.13 1,680In Stock	Mfr. Part No. STM32WB35CCU6A Mouser Part No 511-STM32WB35CCU6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 64MHz Cortex-M0+ 32MHz 256Kbytes Flash Learn More about STMicroelectronics stm stm32wb wireless mcu	Datasheet	1,680In Stock	$9.13 $7.47 $7.13 $6.42 View $6.19 $5.83	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 kB	32 bit	12 bit	32 MHz	72 I/O	256 kB	1.71 V	3.6 V	- 40 C	+ 105 C	Tray
32-bit Microcontrollers - MCU 256KB, 144LQFP Ind AT32UC3A3256-ALUT Microchip Technology 1: $21.79 335In Stock 480Expected 11/11/2026	Mfr. Part No. AT32UC3A3256-ALUT Mouser Part No 556-AT32UC3A3256ALUT	Microchip Technology	32-bit Microcontrollers - MCU 256KB, 144LQFP Ind Learn More about Microchip Technology microchip a3 a4 series mcus	Datasheet	335In Stock 480Expected 11/11/2026	$21.79 $19.80 $17.94	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	AVR	256 kB	32 bit	10 bit	84 MHz	110 I/O	128 kB	3 V	3.6 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 32-bit AT32UC3B1256-AUT Microchip Technology 1: $11.74 712In Stock 1,000Expected 5/1/2027	Mfr. Part No. AT32UC3B1256-AUT Mouser Part No 556-AT32UC3B1256-AUT	Microchip Technology	32-bit Microcontrollers - MCU 32-bit Learn More about Microchip Technology microchip b series mcus	Datasheet	712In Stock 1,000Expected 5/1/2027	$11.74 $10.66 $9.67	Min.: 1 Mult.: 1	SMD/SMT	TQFP-48	AVR	256 kB	32 bit	10 bit	60 MHz	28 I/O	32 kB	1.65 V	1.95 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM AT32UC3C2256C-A2UR Microchip Technology 1: $16.92 609In Stock	Mfr. Part No. AT32UC3C2256C-A2UR Mouser Part No 556-AT32UC3C2256CA2R	Microchip Technology	32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	609In Stock	Cut Tape $16.92 $16.35 Reel $13.94	Min.: 1 Mult.: 1 : 1,500			AVR	256 kB	32 bit		66 MHz	45 I/O	64 kB	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape