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512 kB Embedded Processors & Controllers

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Program Memory Size = 512 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-M4 MCU 170MHz 512Kbytes of Flash Math Accel, High Analog l STM32G473VET6 STMicroelectronics 1: £8.64 3,115On Order	Mfr. Part No. STM32G473VET6 Mouser Part No 511-STM32G473VET6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 512Kbytes of Flash Math Accel, High Analog l Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	3,115On Order	£8.64 £6.72 £5.60 £4.91	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-100	ARM Cortex M4	86 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 512 Kbytes of Flash Math Accel, HR Timer, H STM32G474CET3 STMicroelectronics 1: £8.25 7,478On Order	Mfr. Part No. STM32G474CET3 Mouser Part No 511-STM32G474CET3	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	7,478On Order	£8.25 £6.53 £5.91 £5.55 View £5.45 £5.17 £5.09 £4.91	Min.: 1 Mult.: 1 Max.: 1,500	SMD/SMT	LQFP-48	ARM Cortex M4	38 I/O	32 bit	5 x 12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 512 Kbytes of Flash Math Accel, HR Timer, H STM32G474CET6 STMicroelectronics 1: £7.67 8,644On Order	Mfr. Part No. STM32G474CET6 Mouser Part No 511-STM32G474CET6	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	8,644On Order	£7.67 £6.03 £5.54 £5.00 View £4.83 £4.57 £4.41 £4.40	Min.: 1 Mult.: 1 Max.: 1,500	SMD/SMT	LQFP-48	ARM Cortex M4	38 I/O	32 bit	5 x 12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 512 Kbytes of Flash Math Accel, HR Timer, H STM32G474CEU6 STMicroelectronics 1: £7.43 52,740On Order	Mfr. Part No. STM32G474CEU6 Mouser Part No 511-STM32G474CEU6	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	52,740On Order	£7.43 £5.74 £5.48 £4.76 View £4.64 £4.30	Min.: 1 Mult.: 1 Max.: 1,560	SMD/SMT	UFQFPN-48	ARM Cortex M4	42 I/O	32 bit	5 x 12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 512 Kbytes of Flash Math Accel, HR Timer, H STM32G474MET6 STMicroelectronics 1: £8.63 2,804On Order	Mfr. Part No. STM32G474MET6 Mouser Part No 511-STM32G474MET6	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	2,804On Order	£8.63 £6.70 £6.40 £5.55 View £5.37 £5.00	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-80	ARM Cortex M4	66 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 16/32-BITS MICROS STM32G474QET3 STMicroelectronics 1: £10.24 2,696On Order	Mfr. Part No. STM32G474QET3 Mouser Part No 511-STM32G474QET3	STMicroelectronics	ARM Microcontrollers - MCU 16/32-BITS MICROS Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	2,696On Order	£10.24 £8.27 £7.62 £7.09 £6.90	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	LQFP-128	ARM Cortex M4	107 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 512 Kbytes of Flash Math Accel, HR Timer, H STM32G474RET6 STMicroelectronics 1: £8.28 19,571On Order	Mfr. Part No. STM32G474RET6 Mouser Part No 511-STM32G474RET6	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	19,571On Order	£8.28 £6.53 £5.98 £5.56 View £5.42 £4.93 £4.92	Min.: 1 Mult.: 1 Max.: 960	SMD/SMT	LQFP-64	ARM Cortex M4	52 I/O	32 bit	5 x 12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 512 Kbytes of Flash Math Accel, HR Timer, H STM32G474VEH6 STMicroelectronics 1: £8.49 9,683On Order	Mfr. Part No. STM32G474VEH6 Mouser Part No 511-STM32G474VEH6	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	9,683On Order	£8.49 £6.61 £6.10 £5.53 View £5.43 £5.05	Min.: 1 Mult.: 1 Max.: 750	SMD/SMT	TFBGA-100	ARM Cortex M4	86 I/O	32 bit	5 x 12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 512 Kbytes of Flash Math Accel, HR Timer, H STM32G474VET3 STMicroelectronics 1: £9.33 2,980On Order	Mfr. Part No. STM32G474VET3 Mouser Part No 511-STM32G474VET3	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	2,980On Order	£9.33 £7.26 £6.92 £6.14	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-100	ARM Cortex M4	86 I/O	32 bit	5 x 12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 512 Kbytes of Flash Math Accel, HR Timer, H STM32G474VET6 STMicroelectronics 1: £8.72 3,760On Order	Mfr. Part No. STM32G474VET6 Mouser Part No 511-STM32G474VET6	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	3,760On Order	£8.72 £6.57 £6.03 £5.60	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-100	ARM Cortex M4	107 I/O	32 bit	5 x 12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz 512Kbytes of Flash Math Accel, High Analog STM32G483RET6 STMicroelectronics 1: £7.53 2,793On Order	Mfr. Part No. STM32G483RET6 Mouser Part No 511-STM32G483RET6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz 512Kbytes of Flash Math Accel, High Analog Learn More about STMicroelectronics stm stm32g483xe microcontrollers	Datasheet	2,793On Order On Order Ship Dates Mfr. No: STM32G483RET6 Stock: 0 On Order: 1,833 Expected 02/11/2027 960 TBD Factory Lead Time: 52 Weeks	£7.53 £5.84 £5.18 £4.96 £4.91	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	LQFP-64	ARM Cortex M4	52 I/O	32 bit	5 x 12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 512 Kbytes of Flash Math Accel, HR Timer, H STM32G484VET6 STMicroelectronics 1: £9.01 2,696On Order	Mfr. Part No. STM32G484VET6 Mouser Part No 511-STM32G484VET6	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	2,696On Order	£9.01 £7.02 £6.42 £5.91 £5.74	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-100	ARM Cortex M4	86 I/O	32 bit	5 x 12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory STM32G491CET6 STMicroelectronics 1: £6.73 8,991On Order	Mfr. Part No. STM32G491CET6 Mouser Part No 511-STM32G491CET6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	8,991On Order On Order Ship Dates Mfr. No: STM32G491CET6 Stock: 0 On Order: 4,491 Expected 22/02/2027 4,500 TBD Factory Lead Time: 52 Weeks	£6.73 £5.12 £4.58 £4.44 View £4.28 £4.08	Min.: 1 Mult.: 1 Max.: 1,500	SMD/SMT	LQFP-48	ARM Cortex M4	38 I/O	32 bit	4 x 12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory STM32G491CEU6 STMicroelectronics 1: £6.22 4,559On Order	Mfr. Part No. STM32G491CEU6 Mouser Part No 511-STM32G491CEU6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	4,559On Order On Order Ship Dates Mfr. No: STM32G491CEU6 Stock: 0 On Order: 1,439 Expected 22/02/2027 3,120 TBD Factory Lead Time: 52 Weeks	£6.22 £4.80 £4.23 £4.06 View £3.87 £3.75 £3.57	Min.: 1 Mult.: 1 Max.: 1,560	SMD/SMT	UFQFPN-48	ARM Cortex M4	42 I/O	32 bit	4 x 12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory STM32G491KEU6 STMicroelectronics 1: £6.84 26,460On Order	Mfr. Part No. STM32G491KEU6 Mouser Part No 511-STM32G491KEU6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	26,460On Order	£6.84 £5.02 £4.58 £4.23 View £4.02 £3.88 £3.83 Quote	Min.: 1 Mult.: 1 Max.: 2,940	SMD/SMT	UFQFPN-32	ARM Cortex M4	26 I/O	32 bit	4 x 12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory STM32G491RET6 STMicroelectronics 1: £7.36 5,760Expected 22/02/2027	Mfr. Part No. STM32G491RET6 Mouser Part No 511-STM32G491RET6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	5,760Expected 22/02/2027	£7.36 £5.55 £5.04 £4.59 View £4.48 £4.43	Min.: 1 Mult.: 1 Max.: 2,000	SMD/SMT	LQFP-64	ARM Cortex M4	52 I/O	32 bit	4 x 12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory STM32G4A1KEU6 STMicroelectronics 1: £6.43 14,700On Order	Mfr. Part No. STM32G4A1KEU6 Mouser Part No 511-STM32G4A1KEU6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	14,700On Order	£6.43 £4.89 £4.50 £4.08 View £3.84 £3.69 £3.64	Min.: 1 Mult.: 1 Max.: 2,000	SMD/SMT	UFQFPN-32	ARM Cortex M4	26 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 512-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523CET6 STMicroelectronics 1: £4.15 13,555Expected 28/12/2026	Mfr. Part No. STM32H523CET6 Mouser Part No 511-STM32H523CET6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 512-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	13,555Expected 28/12/2026	£4.15 £3.14 £2.75 £2.62 View £2.61 £2.41	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M33	35 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 512-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523CEU6 STMicroelectronics 1: £4.19 25,334On Order	Mfr. Part No. STM32H523CEU6 Mouser Part No 511-STM32H523CEU6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 512-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	25,334On Order On Order Ship Dates Mfr. No: STM32H523CEU6 Stock: 0 On Order: 1,934 Expected 02/12/2026 4,680 Expected 16/12/2026 10,920 Expected 21/12/2026 7,800 Expected 03/05/2027 Factory Lead Time: 30 Weeks	£4.19 £3.14 £2.80 £2.62 £2.41	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-48	ARM Cortex M33		32 bit	12 bit
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 512-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523RET6 STMicroelectronics 1: £4.29 9,650On Order	Mfr. Part No. STM32H523RET6 Mouser Part No 511-STM32H523RET6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 512-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	9,650On Order On Order Ship Dates Mfr. No: STM32H523RET6 Stock: 0 On Order: 50 Expected 19/11/2026 5,760 Expected 31/12/2026 960 Expected 26/02/2027 2,880 Expected 14/06/2027 Factory Lead Time: 52 Weeks	£4.29 £3.13 £2.87 £2.65 View £2.62 £2.41	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M33	49 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 512-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523VET6 STMicroelectronics 1: £5.18 7,195Expected 26/03/2027	Mfr. Part No. STM32H523VET6 Mouser Part No 511-STM32H523VET6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 512-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	7,195Expected 26/03/2027	£5.18 £3.87 £3.51 £3.20 View £3.10 £2.78	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M33		32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151QEH6 STMicroelectronics 1: £11.25 9,984On Order	Mfr. Part No. STM32L151QEH6 Mouser Part No 511-STM32L151QEH6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp Learn More about STMicroelectronics stm32l1	Datasheet	9,984On Order	£11.25 £8.83 £8.05 £7.57 View £7.21 £7.00 £6.92	Min.: 1 Mult.: 1	SMD/SMT	BGA-132	ARM Cortex M3	109 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, MCD, USB, 2xOp STM32L151VET6 STMicroelectronics 1: £9.53 2,521On Order	Mfr. Part No. STM32L151VET6 Mouser Part No 511-STM32L151VET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, MCD, USB, 2xOp Learn More about STMicroelectronics stm32l1	Datasheet	2,521On Order	£9.53 £6.97 £6.41 £5.97	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	83 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM STM32L451CEU6 STMicroelectronics 1: £5.81 4,140On Order	Mfr. Part No. STM32L451CEU6 Mouser Part No 511-STM32L451CEU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	4,140On Order	£5.81 £4.40 £3.93 £3.68 View £3.58 £3.28	Min.: 1 Mult.: 1 Max.: 540	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 512 kbytes of Flash USB Device, DFS STM32L452RET6 STMicroelectronics 1: £6.63 8,640On Order	Mfr. Part No. STM32L452RET6 Mouser Part No 511-STM32L452RET6	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	8,640On Order	£6.63 £5.00 £4.74 £4.18 View £4.08 £3.82 £3.78	Min.: 1 Mult.: 1 Max.: 960	SMD/SMT	LQFP-64	ARM Cortex M4	52 I/O	32 bit	12 bit