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512 kB ARM Microcontrollers - MCU

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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.	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	Qualification	Packaging
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 512 Kbytes of Flash Math Accel, HR Timer, H STM32G484CET6 STMicroelectronics 1: $10.43 1,891In Stock 7,500On Order	Mfr. Part # STM32G484CET6 Mouser Part # 511-STM32G484CET6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 512 Kbytes of Flash Math Accel, HR Timer, H Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	1,891In Stock 7,500On Order	$10.43 $8.06 $7.69 $6.68	Min.: 1 Mult.: 1 Max.: 150	STM32G4	SMD/SMT	LQFP-48	ARM Cortex M4	512 kB	32 bit	12 bit	170 MHz	38 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory STM32G491MET6 STMicroelectronics 1: $10.13 1,623In Stock	Mfr. Part # STM32G491MET6 Mouser Part # 511-STM32G491MET6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	1,623In Stock	$10.13 $7.88 $6.97 $6.61 $6.53	Min.: 1 Mult.: 1 Max.: 300	STM32G4	SMD/SMT	LQFP-80	ARM Cortex M4	512 kB	32 bit	4 x 12 bit	170 MHz	66 I/O	112 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 512 kbytes of Flash , DFSDM STM32L451CEU6TR STMicroelectronics 1: $8.29 1,058In Stock 2,500On Order	Mfr. Part # STM32L451CEU6TR Mouser Part # 511-STM32L451CEU6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM	Datasheet	1,058In Stock 2,500On Order	Cut Tape $8.29 $5.79 $5.53 $4.82 Reel $4.82 MouseReel Available	Min.: 1 Mult.: 1 Max.: 300 : 2,500	STM32L451CE	SMD/SMT	QFN-48	ARM Cortex M4	512 kB	32 bit	12 bit	80 MHz	38 I/O	160 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, DFS STM32L452CEU6 STMicroelectronics 1: $7.46 2,122In Stock	Mfr. Part # STM32L452CEU6 Mouser Part # 511-STM32L452CEU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, DFS Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,122In Stock	$7.46 $5.57 $5.12 $4.70 View $4.50 $4.47	Min.: 1 Mult.: 1 Max.: 750	STM32L452CE	SMD/SMT	QFN-48	ARM Cortex M4	512 kB	32 bit	12 bit	80 MHz	38 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 512 kbytes of Flash USB Device, DFS STM32L452RET6P STMicroelectronics 1: $8.81 1,641In Stock	Mfr. Part # STM32L452RET6P Mouser Part # 511-STM32L452RET6P	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, DFS Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,641In Stock	$8.81 $6.60 $6.30 $5.47 $5.22	Min.: 1 Mult.: 1 Max.: 300	STM32L452RE	SMD/SMT	LQFP-64	ARM Cortex M4	512 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 512 Kbytes of Flash USB OTG, DFSDM STM32L475RET6TR STMicroelectronics 1: $9.14 319In Stock 1,000On Order	Mfr. Part # STM32L475RET6TR Mouser Part # 511-STM32L475RET6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash USB OTG, DFSDM	Datasheet	319In Stock 1,000On Order	Cut Tape $9.14 $7.28 $6.94 $6.03 Reel $6.03 MouseReel Available	Min.: 1 Mult.: 1 Max.: 100 : 1,000	STM32L4	SMD/SMT	LQFP-64	ARM Cortex M4	512 kB	32 bit	3 x 12 bit	80 MHz	51 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash LCD, USB OTG, D STM32L476RET6TR STMicroelectronics 1: $9.25 731In Stock 2,000Expected 2/22/2027	Mfr. Part # STM32L476RET6TR Mouser Part # 511-STM32L476RET6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash LCD, USB OTG, D Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	731In Stock 2,000Expected 2/22/2027	Cut Tape $9.25 $7.17 $6.33 $6.07 $5.96 Reel $5.96 MouseReel Available	Min.: 1 Mult.: 1 Max.: 300 : 1,000	STM32L476RE	SMD/SMT	LQFP-64	ARM Cortex M4	512 kB	32 bit	3 x 12 bit	80 MHz	51 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 512 kbytes of Flash USB OTG, DFSDM STM32L4P5CEU6 STMicroelectronics 1: $9.72 1,035In Stock 1,560Expected 4/14/2027	Mfr. Part # STM32L4P5CEU6 Mouser Part # 511-STM32L4P5CEU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 512 kbytes of Flash USB OTG, DFSDM Learn More about STMicroelectronics stm stm32l4p5 stm32l4q5 mcus	Datasheet	1,035In Stock 1,560Expected 4/14/2027	$9.72 $7.68 $7.01 $6.86 $6.54	Min.: 1 Mult.: 1 Max.: 300	STM32	SMD/SMT		ARM Cortex M4	512 kB	32 bit	2 x 12 bit	120 MHz	38 I/O	320 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 512 kbytes of Flash STM32L552CEU6 STMicroelectronics 1: $11.26 2,189In Stock	Mfr. Part # STM32L552CEU6 Mouser Part # 511-STM32L552CEU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash Learn More about STMicroelectronics stm stm32 l5 mcus	Datasheet	2,189In Stock	$11.26 $8.78 $7.79 $7.48 $7.14	Min.: 1 Mult.: 1 Max.: 300	STM32L5	SMD/SMT	UFQFPN-48	ARM Cortex M33	512 kB	32 bit	2 x 12 bit	110 MHz	38 I/O	256 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 512 kbytes of Flash STM32L552VET6 STMicroelectronics 1: $12.99 654In Stock	Mfr. Part # STM32L552VET6 Mouser Part # 511-STM32L552VET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash Learn More about STMicroelectronics stm stm32 l5 mcus	Datasheet	654In Stock	$12.99 $9.51 $8.76 $8.71 $8.40	Min.: 1 Mult.: 1 Max.: 300	STM32L5	SMD/SMT	LQFP-100	ARM Cortex M33	512 kB	32 bit	2 x 12 bit	110 MHz	83 I/O	256 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 512 kbytes of Flash STM32L552ZET6Q STMicroelectronics 1: $13.66 531In Stock 360Expected 3/29/2027	Mfr. Part # STM32L552ZET6Q Mouser Part # 511-STM32L552ZET6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash Learn More about STMicroelectronics stm stm32 l5 mcus	Datasheet	531In Stock 360Expected 3/29/2027	$13.66 $10.72 $9.44 $9.09 $8.97	Min.: 1 Mult.: 1 Max.: 250	STM32L5	SMD/SMT	LQFP-144	ARM Cortex M33	512 kB	32 bit	2 x 12 bit	110 MHz	111 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 MCU 64 MHz, Cortex-M0+ 32 MHz 512 Kbytes STM32WB55CEU6TR STMicroelectronics 1: $8.92 512In Stock	Mfr. Part # STM32WB55CEU6TR Mouser Part # 511-STM32WB55CEU6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 512 Kbytes Learn More about STMicroelectronics stm stm32wb wireless mcu	Datasheet	512In Stock	Cut Tape $8.92 $6.35 $6.01 $5.54 View Reel $4.46 $5.26 $5.07 $4.72 $4.46 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	STM32WB	SMD/SMT	UFQFPN-48	ARM Cortex M4	512 kB	32 bit	12 bit	64 MHz	30 I/O	256 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Wafer - TQFPGREENIND ATSAM4LS8CA-AU Microchip Technology 1: $10.37 555In Stock	Mfr. Part # ATSAM4LS8CA-AU Mouser Part # 556-ATSAM4LS8CA-AU	Microchip Technology	ARM Microcontrollers - MCU Wafer - TQFPGREENIND Learn More about Microchip Technology atmel atsam4l	Datasheet	555In Stock	$10.37 $9.43 $8.54	Min.: 1 Mult.: 1	SAM4L	SMD/SMT	TQFP-100	ARM Cortex M4	512 kB	32 bit	12 bit	48 MHz	80 I/O	64 kB	1.62 V	1.98 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU LQFP, Green, IND TEMP,MRL A ATSAM4S8CA-AU Microchip Technology 1: $6.35 1,252In Stock	Mfr. Part # ATSAM4S8CA-AU Mouser Part # 556-ATSAM4S8CA-AU	Microchip Technology	ARM Microcontrollers - MCU LQFP, Green, IND TEMP,MRL A Learn More about Microchip Technology atmelsam4s	Datasheet	1,252In Stock	$6.35 $5.78 $5.22	Min.: 1 Mult.: 1	SAM4S	SMD/SMT	LQFP-100	ARM Cortex M4	512 kB	32 bit		120 MHz		128 kB	1.08 V	1.32 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 120MHZ 512KB FLASH 4 8 QFN PKG 85C ATSAMD51G19A-MU Microchip Technology 1: $5.28 974In Stock	Mfr. Part # ATSAMD51G19A-MU Mouser Part # 556-ATSAMD51G19AMU	Microchip Technology	ARM Microcontrollers - MCU 120MHZ 512KB FLASH 4 8 QFN PKG 85C Learn More about Microchip Technology microchip sam d5 e5	Datasheet	974In Stock	$5.28 $4.85 $4.39	Min.: 1 Mult.: 1	ATSAMD51	SMD/SMT	QFN-48	ARM Cortex M4F	512 kB	32 bit	12 bit	120 MHz	37 I/O	192 kB	1.71 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 120MHZ 512KB FLASH 4 8 QFN PKG IN 85C ATSAMD51G19A-MUT Microchip Technology 1: $5.42 949In Stock	Mfr. Part # ATSAMD51G19A-MUT Mouser Part # 556-ATSAMD51G19AMUT	Microchip Technology	ARM Microcontrollers - MCU 120MHZ 512KB FLASH 4 8 QFN PKG IN 85C Learn More about Microchip Technology microchip sam d5 e5	Datasheet	949In Stock	Cut Tape $5.42 $5.28 Reel $4.50	Min.: 1 Mult.: 1 : 4,000	ATSAMD51	SMD/SMT	QFN-48	ARM Cortex M4F	512 kB	32 bit	12 bit	120 MHz	37 I/O	192 kB	1.71 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape
ARM Microcontrollers - MCU 120MHZ 512KB FLASH 1 00 TQFP PKG 85C ATSAMD51N19A-AU Microchip Technology 1: $6.57 618In Stock 270Expected 11/16/2026	Mfr. Part # ATSAMD51N19A-AU Mouser Part # 556-ATSAMD51N19AAU	Microchip Technology	ARM Microcontrollers - MCU 120MHZ 512KB FLASH 1 00 TQFP PKG 85C Learn More about Microchip Technology microchip sam d5 e5	Datasheet	618In Stock 270Expected 11/16/2026	$6.57 $6.02 $5.46	Min.: 1 Mult.: 1	ATSAMD51	SMD/SMT	TQFP-100	ARM Cortex M4F	512 kB	32 bit	12 bit	120 MHz	81 I/O	192 kB	1.71 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 120MHZ 512KB FLASH 1 00 TQFP PKG 85C ATSAME51N19A-AU Microchip Technology 1: $7.09 353In Stock 630Expected 1/25/2027	Mfr. Part # ATSAME51N19A-AU Mouser Part # 556-ATSAME51N19AAU	Microchip Technology	ARM Microcontrollers - MCU 120MHZ 512KB FLASH 1 00 TQFP PKG 85C Learn More about Microchip Technology microchip sam e5 mcu	Datasheet	353In Stock 630Expected 1/25/2027	$7.09 $6.50 $5.90	Min.: 1 Mult.: 1	ATSAME51	SMD/SMT	TQFP-100	ARM Cortex M4F	512 kB	32 bit	12 bit	120 MHz	81 I/O	192 kB	1.71 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tray
ARM Microcontrollers - MCU QFN, IND TEMP ATSAMG55J19A-MU Microchip Technology 1: $5.41 517In Stock	Mfr. Part # ATSAMG55J19A-MU Mouser Part # 556-ATSAMG55J19A-MU	Microchip Technology	ARM Microcontrollers - MCU QFN, IND TEMP Learn More about Microchip Technology microchip samg55g sam5ggj mcus	Datasheet	517In Stock	$5.41 $4.92 $4.45	Min.: 1 Mult.: 1	SAMG	SMD/SMT	QFN-64	ARM Cortex M4	512 kB	32 bit	12 bit	120 MHz	48 I/O	176 kB	1.62 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU XMC4000 XMC4400F64K512BAXQMA1 Infineon Technologies 1: $12.76 607In Stock	Mfr. Part # XMC4400F64K512BAXQMA1 Mouser Part # 726-XMC4400F64K512BA	Infineon Technologies	ARM Microcontrollers - MCU XMC4000 Learn More about Infineon Technologies infineon xmc4000 mcus	Datasheet	607In Stock	$12.76 $10.02 $8.92 $8.38 View $8.34 $7.93 $7.83 Quote	Min.: 1 Mult.: 1	XMC4400	SMD/SMT	TQFP-64	ARM Cortex M4	512 kB	32 bit/16 bit	12 bit	120 MHz	41 I/O	80 kB	3 V	3.63 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU IOT-PSOC6 CY8C6145LQI-S3F72 Infineon Technologies 1: $8.58 1,306In Stock	Mfr. Part # CY8C6145LQI-S3F72 Mouser Part # 727-C6145LQI-S3F72	Infineon Technologies	ARM Microcontrollers - MCU IOT-PSOC6 Learn More about Infineon Technologies infineon psoc 61 mcus	Datasheet	1,306In Stock	$8.58 $6.64 $5.87 $5.63 View $5.37 $5.21 $5.01 Quote	Min.: 1 Mult.: 1	PSOC 61	SMD/SMT	QFN-68	ARM Cortex M4F	512 kB	32 bit	12 bit	150 MHz	53 I/O	256 kB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU MCU w/ ARM Cortex-M3 512K FLASH, 32K SRA TMPM333FDFG(C,J) Toshiba 1: $3.14 1,665In Stock	Mfr. Part # TMPM333FDFG(C,J) Mouser Part # 757-TMPM333FDFGCJ	Toshiba	ARM Microcontrollers - MCU MCU w/ ARM Cortex-M3 512K FLASH, 32K SRA Learn More about Toshiba 32 bit arm mcu	Datasheet	1,665In Stock	$3.14 $2.63 $2.31 $2.08 View $2.07 $1.98 $1.92 $1.83	Min.: 1 Mult.: 1	TMPM333FDFG	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	10 bit	64 MHz	68 I/O	64 kB	2.7 V	3.6 V	0 C	+ 70 C		Tray
ARM Microcontrollers - MCU S32K144 Arm Cortex-M4F, 80 MHz, 512 Kb Flash, CAN FD, FlexIO, CSEc security, LQFP48 - S32K MCUs for General-Purpose FS32K144HAT0MLFT NXP Semiconductors 1: $10.59 915In Stock	Mfr. Part # FS32K144HAT0MLFT Mouser Part # 771-FS32K144HAT0MLFT	NXP Semiconductors	ARM Microcontrollers - MCU S32K144 Arm Cortex-M4F, 80 MHz, 512 Kb Flash, CAN FD, FlexIO, CSEc security, LQFP48 - S32K MCUs for General-Purpose Learn More about NXP Semiconductors nxp s32k mcus	Datasheet	915In Stock	$10.59 $8.27 $7.33 $7.03 View $6.86 $6.40 Quote	Min.: 1 Mult.: 1	S32K1	SMD/SMT	LQFP-48	ARM Cortex M4F	512 kB	32 bit	2 x 12 bit	80 MHz	43 I/O	64 kB	2.7 V	5.5 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU S32K144 Arm Cortex-M4F, 80 MHz, 512 Kb Flash, CAN FD, FlexIO, CSEc security, LQFP64 - S32K MCUs for General-Purpose FS32K144HAT0MLHT NXP Semiconductors 1: $9.83 431In Stock	Mfr. Part # FS32K144HAT0MLHT Mouser Part # 771-FS32K144HAT0MLHT	NXP Semiconductors	ARM Microcontrollers - MCU S32K144 Arm Cortex-M4F, 80 MHz, 512 Kb Flash, CAN FD, FlexIO, CSEc security, LQFP64 - S32K MCUs for General-Purpose Learn More about NXP Semiconductors nxp s32k mcus	Datasheet	431In Stock	$9.83 $7.74 $6.86 $6.48 View $6.33 $5.93 $5.91	Min.: 1 Mult.: 1	S32K1	SMD/SMT	LQFP-64	ARM Cortex M4F	512 kB	32 bit	2 x 12 bit	80 MHz	58 I/O	64 kB	2.7 V	5.5 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU S32K144 Arm Cortex-M4F, 80 MHz, 512 Kb Flash, CAN FD, FlexIO, CSEc security, LQFP100 - S32K MCUs for General-Purpose FS32K144HAT0MLLT NXP Semiconductors 1: $10.11 1,371In Stock	Mfr. Part # FS32K144HAT0MLLT Mouser Part # 771-FS32K144HAT0MLLT	NXP Semiconductors	ARM Microcontrollers - MCU S32K144 Arm Cortex-M4F, 80 MHz, 512 Kb Flash, CAN FD, FlexIO, CSEc security, LQFP100 - S32K MCUs for General-Purpose Learn More about NXP Semiconductors nxp s32k mcus	Datasheet	1,371In Stock	$10.11 $7.89 $6.99 $6.71 View $6.62 $6.26 Quote	Min.: 1 Mult.: 1	S32K1	SMD/SMT	LQFP-100	ARM Cortex M4F	512 kB	32 bit	2 x 12 bit	80 MHz	89 I/O	64 kB	2.7 V	5.5 V	- 40 C	+ 125 C	AEC-Q100	Tray