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256 kB ARM Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) 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	Packaging
ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl STM32F446ZCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32F446ZCT6 Mouser Part No 511-STM32F446ZCT6	STMicroelectronics	ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl Learn More about STMicroelectronics stm32f4 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32F446ZC	SMD/SMT	LQFP-144	ARM Cortex M4	256 kB	32 bit	3 x 12 bit	180 MHz	114 I/O	128 kB	1.7 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 256 Kbytes of Flash 216 MHz CPU, A STM32F722VCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32F722VCT6 Mouser Part No 511-STM32F722VCT6	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32F722VC	SMD/SMT	LQFP-100	ARM Cortex M7	256 kB	32 bit	3 x 12 bit	216 MHz	82 I/O	256 kB	1.7 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 256KB Flash 144KB RAM STM32G0B1KCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32G0B1KCT6 Mouser Part No 511-STM32G0B1KCT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 256KB Flash 144KB RAM Learn More about STMicroelectronics stm stm32g0 microcontrollers Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32G0	SMD/SMT		ARM Cortex M0+	256 kB	32 bit	12 bit	64 MHz	30 I/O	144 kB	1.7 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 256KB 144KB RAM 6x USART timers ADC D STM32G0B1KCU7 STMicroelectronics Restricted Availability	Mfr. Part No. STM32G0B1KCU7 Mouser Part No 511-STM32G0B1KCU7	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 256KB 144KB RAM 6x USART timers ADC D Learn More about STMicroelectronics stm stm32g0 microcontrollers Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32G0	SMD/SMT	UFQFPN-32	ARM Cortex M0+	256 kB	32 bit	12 bit	64 MHz	30 I/O	144 kB	1.7 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 256Kbytes of Flash Math Accel, High Analog l STM32G473CCT3 STMicroelectronics Restricted Availability	Mfr. Part No. STM32G473CCT3 Mouser Part No 511-STM32G473CCT3	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 256Kbytes of Flash Math Accel, High Analog l Learn More about STMicroelectronics stm stm32g4 mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32G4	SMD/SMT	LQFP-48	ARM Cortex M4	256 kB	32 bit	5 x 12 bit	170 MHz	42 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 256Kbytes of Flash Math Accel, High Analog l STM32G473CCU6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32G473CCU6 Mouser Part No 511-STM32G473CCU6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 256Kbytes of Flash Math Accel, High Analog l Learn More about STMicroelectronics stm stm32g4 mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32G4	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 kB	32 bit	5 x 12 bit	170 MHz	42 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523CCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32H523CCT6 Mouser Part No 511-STM32H523CCT6	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32H5	SMD/SMT	LQFP-48	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 High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523RCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32H523RCT6 Mouser Part No 511-STM32H523RCT6	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32H5	SMD/SMT	LQFP-64	ARM Cortex M33	256 kB	32 bit	12 bit	250 MHz		272 kB	1.71 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523VCI6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32H523VCI6 Mouser Part No 511-STM32H523VCI6	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32H5	SMD/SMT	UFBGA-100	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 High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523VCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32H523VCT6 Mouser Part No 511-STM32H523VCT6	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32H5	SMD/SMT	LQFP-100	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 Ultra Low M3 ARM 128 Kbytes 32 MHz STM32L151CCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L151CCT6 Mouser Part No 511-STM32L151CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L151CC	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 128 Kbytes 32 MHz STM32L151RCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L151RCT6 Mouser Part No 511-STM32L151RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L151RC	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 , LCD, USB STM32L433CCT3 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L433CCT3 Mouser Part No 511-STM32L433CCT3	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L433CC	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	+ 125 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433VCI6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L433VCI6 Mouser Part No 511-STM32L433VCI6	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L433VC	SMD/SMT	UFBGA-100	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	83 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 USB Device, DFS STM32L452VCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L452VCT6 Mouser Part No 511-STM32L452VCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS Learn More about STMicroelectronics stm stm32l4 mcu fpu Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L452VC	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 USB OTG, DFSDM STM32L475RCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L475RCT6 Mouser Part No 511-STM32L475RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash USB OTG, DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L475RC	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	3 x 12 bit	80 MHz	51 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU STM32U073CCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32U073CCT6 Mouser Part No 511-STM32U073CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU Learn More about STMicroelectronics stm stm32u0 low power mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32U0			ARM Cortex M0	256 kB			48 MHz							Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU STM32U083CCT6 STMicroelectronics 1: HK$36.33 2,928Expected 25/1/2027	Mfr. Part No. STM32U083CCT6 Mouser Part No 511-STM32U083CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU Learn More about STMicroelectronics stm stm32u0 low power mcus	Datasheet	2,928Expected 25/1/2027	HK$36.33 HK$27.45 HK$23.84 HK$22.03 View HK$20.88 HK$20.80	Min.: 1 Mult.: 1 Max.: 500	STM32U0			ARM Cortex M0	256 kB			48 MHz							Tray
ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM STM32WL33KCV6 STMicroelectronics 1: HK$52.77 2,940Expected 29/1/2027	Mfr. Part No. STM32WL33KCV6 Mouser Part No 511-STM32WL33KCV6	STMicroelectronics	ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM Learn More about STMicroelectronics stm32wl33x mcus	Datasheet	2,940Expected 29/1/2027	HK$52.77 HK$45.21 HK$42.66 HK$38.72 View HK$37.89 HK$36.41	Min.: 1 Mult.: 1	STM32WL33	SMD/SMT	VFQFPN-32	ARM Cortex M0+	256 kB	32 bit	12 bit	64 MHz	17 I/O	32 KB	1.7 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 ATSAM3U4EA-CU Microchip Technology Restricted Availability	Mfr. Part No. ATSAM3U4EA-CU Mouser Part No 556-ATSAM3U4EA-CU	Microchip Technology	ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 Learn More about Microchip Technology microchip sam3u mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	SAM3U	SMD/SMT	LFBGA-144	ARM Cortex M3	256 kB	32 bit	12 bit	96 MHz	96 I/O	52 kB	1.62 V	1.95 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU QFN,GREEN,IND TEMP,MRL A ATSAM4LS4AA-MU Microchip Technology 1: HK$54.25 416Expected 26/1/2027	Mfr. Part No. ATSAM4LS4AA-MU Mouser Part No 556-ATSAM4LS4AA-MU	Microchip Technology	ARM Microcontrollers - MCU QFN,GREEN,IND TEMP,MRL A Learn More about Microchip Technology atmel atsam4l	Datasheet	416Expected 26/1/2027	HK$54.25 HK$49.48 HK$44.80	Min.: 1 Mult.: 1	SAM4L	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	32 I/O	32 kB	1.62 V	1.98 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU TQFP, Green, IND TEMP, CRYPTO, MRL A ATSAM4LS4BA-AU Microchip Technology 1: HK$55.73 636On Order	Mfr. Part No. ATSAM4LS4BA-AU Mouser Part No 556-ATSAM4LS4BA-AU	Microchip Technology	ARM Microcontrollers - MCU TQFP, Green, IND TEMP, CRYPTO, MRL A Learn More about Microchip Technology atmel atsam4l	Datasheet	636On Order On Order Ship Dates Mfr. No: ATSAM4LS4BA-AU Stock: 0 On Order: 156 Expected 9/11/2026 480 Expected 21/1/2027 Factory Lead Time: 18 Weeks	HK$55.73 HK$50.64 HK$45.95	Min.: 1 Mult.: 1	SAM4L	SMD/SMT	TQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	48 I/O	32 kB	1.62 V	1.98 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU LQFP,GREEN,IND TEMP,MRL A ATSAM4S4CA-AUR Microchip Technology Restricted Availability	Mfr. Part No. ATSAM4S4CA-AUR Mouser Part No 556-ATSAM4S4CA-AUR	Microchip Technology	ARM Microcontrollers - MCU LQFP,GREEN,IND TEMP,MRL A Learn More about Microchip Technology atmelsam4s Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	SAM4S	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	120 MHz	79 I/O	64 kB	1.62 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123GH6PZTR A A 595-TM4C123GH6PZTR TM4C123GH6PZT Texas Instruments Restricted Availability	Mfr. Part No. TM4C123GH6PZT Mouser Part No 595-TM4C123GH6PZT	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123GH6PZTR A A 595-TM4C123GH6PZTR Learn More about Texas Instruments ti tiva C Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	TM4C123GH6PZ	SMD/SMT	LQFP-100	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	69 I/O	32 kB	1.2 V	1.2 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU PSoC5LP CY8C5888LTQ-LP097 Infineon Technologies Restricted Availability	Mfr. Part No. CY8C5888LTQ-LP097 Mouser Part No 727-CY8C5888LTQLP097	Infineon Technologies	ARM Microcontrollers - MCU PSoC5LP Learn More about Infineon Technologies cypress psoc 5lp socs Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability		SMD/SMT	QFN-68	ARM Cortex M3	256 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray