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512 kB 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.	Mounting Style	Package/Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	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 No. STM32G484CET6 Mouser Part No 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	SMD/SMT	LQFP-48	ARM Cortex M4	32 bit	170 MHz	512 kB	128 kB	12 bit	38 I/O	1.71 V	3.6 V	+ 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 No. STM32G491MET6 Mouser Part No 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	SMD/SMT	LQFP-80	ARM Cortex M4	32 bit	170 MHz	512 kB	112 kB	4 x 12 bit	66 I/O	1.71 V	3.6 V	+ 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 No. STM32L451CEU6TR Mouser Part No 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	SMD/SMT	QFN-48	ARM Cortex M4	32 bit	80 MHz	512 kB	160 kB	12 bit	38 I/O	1.71 V	3.6 V	+ 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 2,126In Stock	Mfr. Part No. STM32L452CEU6 Mouser Part No 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	2,126In Stock	$7.46 $5.57 $5.12 $4.70 View $4.50 $4.47	Min.: 1 Mult.: 1 Max.: 750	SMD/SMT	QFN-48	ARM Cortex M4	32 bit	80 MHz	512 kB	160 kB	12 bit	38 I/O	1.71 V	3.6 V	+ 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 No. STM32L452RET6P Mouser Part No 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	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	80 MHz	512 kB	160 kB	12 bit	52 I/O	1.71 V	3.6 V	+ 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 No. STM32L475RET6TR Mouser Part No 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	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	80 MHz	512 kB	128 kB	3 x 12 bit	51 I/O	1.71 V	3.6 V	+ 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 22/02/2027	Mfr. Part No. STM32L476RET6TR Mouser Part No 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 22/02/2027	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	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	80 MHz	512 kB	128 kB	3 x 12 bit	51 I/O	1.71 V	3.6 V	+ 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 1,288In Stock 1,560Expected 14/04/2027	Mfr. Part No. STM32L4P5CEU6 Mouser Part No 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	1,288In Stock 1,560Expected 14/04/2027	$9.72 $7.68 $7.01 $6.86 $6.54	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT		ARM Cortex M4	32 bit	120 MHz	512 kB	320 kB	2 x 12 bit	38 I/O	1.71 V	3.6 V	+ 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 2,199In Stock	Mfr. Part No. STM32L552CEU6 Mouser Part No 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	2,199In Stock	$11.26 $8.78 $7.79 $7.48 $7.14	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	UFQFPN-48	ARM Cortex M33	32 bit	110 MHz	512 kB	256 kB	2 x 12 bit	38 I/O	1.71 V	3.6 V	+ 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 No. STM32L552VET6 Mouser Part No 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	SMD/SMT	LQFP-100	ARM Cortex M33	32 bit	110 MHz	512 kB	256 kB	2 x 12 bit	83 I/O	1.71 V	3.6 V	+ 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 558In Stock 360Expected 29/03/2027	Mfr. Part No. STM32L552ZET6Q Mouser Part No 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	558In Stock 360Expected 29/03/2027	$13.66 $10.72 $9.44 $9.09 $8.97	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	LQFP-144	ARM Cortex M33	32 bit	110 MHz	512 kB	256 kB	2 x 12 bit	111 I/O	1.71 V	3.6 V	+ 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 No. STM32WB55CEU6TR Mouser Part No 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	SMD/SMT	UFQFPN-48	ARM Cortex M4	32 bit	64 MHz	512 kB	256 kB	12 bit	30 I/O	1.71 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU 512KB Flash AT32UC3B0512-A2UR Microchip Technology 1: $11.33 685In Stock	Mfr. Part No. AT32UC3B0512-A2UR Mouser Part No 556-AT32UC3B0512A2UR	Microchip Technology	32-bit Microcontrollers - MCU 512KB Flash Learn More about Microchip Technology microchip b series mcus	Datasheet	685In Stock	Cut Tape $11.33 $10.94 Reel $9.33 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SMD/SMT	TQFP-64	AVR	32 bit	60 MHz	512 kB	96 kB	10 bit	44 I/O	1.65 V	1.95 V	+ 85 C		Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU 512KB Flash AT32UC3B0512-Z2UT Microchip Technology 1: $11.17 529In Stock	Mfr. Part No. AT32UC3B0512-Z2UT Mouser Part No 556-AT32UC3B0512Z2UT	Microchip Technology	32-bit Microcontrollers - MCU 512KB Flash Learn More about Microchip Technology microchip b series mcus	Datasheet	529In Stock	$11.17 $10.14 $9.20	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	AVR	32 bit	60 MHz	512 kB	96 kB	10 bit	44 I/O	1.65 V	1.95 V	+ 85 C		Tray
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C0512C-ALUT Microchip Technology 1: $16.67 353In Stock 180Expected 09/11/2026	Mfr. Part No. AT32UC3C0512C-ALUT Mouser Part No 556-AT32UC3C0512CALT	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	353In Stock 180Expected 09/11/2026	$16.67 $15.16 $13.73	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	AVR	32 bit	66 MHz	512 kB	64 kB	12 bit	123 I/O	3 V	5.5 V	+ 85 C		Tray
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C2512C-A2UR Microchip Technology 1: $14.66 350In Stock	Mfr. Part No. AT32UC3C2512C-A2UR Mouser Part No 556-AT32UC3C2512CA2R	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	350In Stock	Cut Tape $14.66 $14.16 Reel $12.05	Min.: 1 Mult.: 1 : 1,500			AVR	32 bit	66 MHz	512 kB	64 kB		45 I/O	3 V	5.5 V	+ 85 C		Reel, Cut Tape
ARM Microcontrollers - MCU Wafer - TQFPGREENIND ATSAM4LS8CA-AU Microchip Technology 1: $10.37 555In Stock	Mfr. Part No. ATSAM4LS8CA-AU Mouser Part No 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	SMD/SMT	TQFP-100	ARM Cortex M4	32 bit	48 MHz	512 kB	64 kB	12 bit	80 I/O	1.62 V	1.98 V	+ 85 C		Tray
ARM Microcontrollers - MCU LQFP, Green, IND TEMP,MRL A ATSAM4S8CA-AU Microchip Technology 1: $6.35 1,252In Stock	Mfr. Part No. ATSAM4S8CA-AU Mouser Part No 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	SMD/SMT	LQFP-100	ARM Cortex M4	32 bit	120 MHz	512 kB	128 kB			1.08 V	1.32 V	+ 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 No. ATSAMD51G19A-MU Mouser Part No 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	SMD/SMT	QFN-48	ARM Cortex M4F	32 bit	120 MHz	512 kB	192 kB	12 bit	37 I/O	1.71 V	3.6 V	+ 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 No. ATSAMD51G19A-MUT Mouser Part No 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	SMD/SMT	QFN-48	ARM Cortex M4F	32 bit	120 MHz	512 kB	192 kB	12 bit	37 I/O	1.71 V	3.6 V	+ 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 16/11/2026	Mfr. Part No. ATSAMD51N19A-AU Mouser Part No 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 16/11/2026	$6.57 $6.02 $5.46	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	ARM Cortex M4F	32 bit	120 MHz	512 kB	192 kB	12 bit	81 I/O	1.71 V	3.6 V	+ 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 25/01/2027	Mfr. Part No. ATSAME51N19A-AU Mouser Part No 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 25/01/2027	$7.09 $6.50 $5.90	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	ARM Cortex M4F	32 bit	120 MHz	512 kB	192 kB	12 bit	81 I/O	1.71 V	3.6 V	+ 85 C	AEC-Q100	Tray
ARM Microcontrollers - MCU QFN, IND TEMP ATSAMG55J19A-MU Microchip Technology 1: $5.41 517In Stock	Mfr. Part No. ATSAMG55J19A-MU Mouser Part No 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	SMD/SMT	QFN-64	ARM Cortex M4	32 bit	120 MHz	512 kB	176 kB	12 bit	48 I/O	1.62 V	3.6 V	+ 85 C		Tray
32-bit Microcontrollers - MCU 120Mhz MIPS, 512K Flash, 64K RAM, Motor Control Peripherals, CAN-FD PIC32MK0512MCJ048-I/Y8X Microchip Technology 1: $7.34 434In Stock	Mfr. Part No. PIC32MK0512MCJ048-I/Y8X Mouser Part No 579-0512MCJ048-I/Y8X	Microchip Technology	32-bit Microcontrollers - MCU 120Mhz MIPS, 512K Flash, 64K RAM, Motor Control Peripherals, CAN-FD Learn More about Microchip Technology microchip pic32mk mcu	Datasheet	434In Stock	$7.34 $6.72 $6.08	Min.: 1 Mult.: 1	SMD/SMT	TQFP-48	MIPS32 microAptiv	32 bit	120 MHz	512 kB	128 kB	12 bit	37 I/O	2.2 V	3.6 V	+ 85 C		Tray
16-bit Microcontrollers - MCU 16B MCU 512KB Flsh 48KB RAM OpAmp Cmptr PIC24EP512GP204-I/ML Microchip Technology 1: $5.63 352In Stock	Mfr. Part No. PIC24EP512GP204-I/ML Mouser Part No 579-24EP512GP204IML	Microchip Technology	16-bit Microcontrollers - MCU 16B MCU 512KB Flsh 48KB RAM OpAmp Cmptr Learn More about Microchip Technology microchip dspic33e dscs pic24e mcus	Datasheet	352In Stock	$5.63 $5.17 $4.68	Min.: 1 Mult.: 1	SMD/SMT	QFN-44	PIC24E	16 bit	60 MHz	512 kB	48 kB	10 bit, 12 bit	35 I/O	3 V	3.6 V	+ 85 C	AEC-Q100	Tube