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40 MHz Microcontrollers - MCU

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Maximum Clock Frequency = 40 MHz

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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	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
8-bit Microcontrollers - MCU 128KB Flash 4KB RAM 1024 DataEE 12B ADC PIC18LF8723-I/PT Microchip Technology 1: £12.97 108In Stock	Mfr. Part No. PIC18LF8723-I/PT Mouser Part No 579-PIC18LF8723-I/PT	Microchip Technology	8-bit Microcontrollers - MCU 128KB Flash 4KB RAM 1024 DataEE 12B ADC	Datasheet	108In Stock	£12.97	Min.: 1 Mult.: 1	SMD/SMT	TQFP-80	PIC18	8 bit	40 MHz	128 kB	3.84 kB	12 bit	70 I/O	2 V	5.5 V	+ 85 C		Tray
16-bit Microcontrollers - MCU 16B MCU 44LD 32KB Flash40 PIC24HJ32GP204-I/PT Microchip Technology 1: £3.50 774In Stock 960Expected 28/12/2026	Mfr. Part No. PIC24HJ32GP204-I/PT Mouser Part No 579-PIC24H32GP204IPT	Microchip Technology	16-bit Microcontrollers - MCU 16B MCU 44LD 32KB Flash40 Learn More about Microchip Technology microchip 16bit mcu dsc	Datasheet	774In Stock 960Expected 28/12/2026	£3.50 £3.20 £2.90	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	PIC24H	16 bit	40 MHz	32 kB	2 kB	10 bit, 12 bit	35 I/O	3 V	3.6 V	+ 85 C	AEC-Q100	Tray
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU EFM32PG1B100F256GM32-C0 Silicon Labs 1: £4.48 436In Stock 2,450Expected 17/11/2026	Mfr. Part No. EFM32PG1B100F256GM32-C0 Mouser Part No 634-PG1B100F256GM320	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU Learn More about Silicon Labs silabs efm32 pearl gecko mcu	Datasheet	436In Stock 2,450Expected 17/11/2026	£4.48 £3.55 £3.20 £2.94 View £2.72 £2.71 £2.70	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	ARM Cortex M4	32 bit	40 MHz	256 kB	32 kB	12 bit	24 I/O	1.85 V	3.8 V	+ 85 C		Tray
8-bit Microcontrollers - MCU S08AC 8-bit MCU, S08 core, 16KB Flash, 40MHz, QFP 32 MC9S08AC16CFJE NXP Semiconductors 1: £9.87 2,166In Stock End of Life	Mfr. Part No. MC9S08AC16CFJE Mouser Part No 841-MC9S08AC16CFJE End of Life	NXP Semiconductors	8-bit Microcontrollers - MCU S08AC 8-bit MCU, S08 core, 16KB Flash, 40MHz, QFP 32	Datasheet	2,166In Stock	£9.87 £8.02 £7.65 £6.64 View £6.35 £5.79 £5.46 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-32	S08	8 bit	40 MHz	16 kB	1 kB	10 bit	22 I/O	2.7 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU S08GT 8-bit MCU, S08 core, 16KB Flash, 40MHz, QFN 48 MC9S08GT16ACFDER NXP Semiconductors 1: £11.14 916In Stock End of Life	Mfr. Part No. MC9S08GT16ACFDER Mouser Part No 841-MC9S08GT16ACFDER End of Life	NXP Semiconductors	8-bit Microcontrollers - MCU S08GT 8-bit MCU, S08 core, 16KB Flash, 40MHz, QFN 48	Datasheet	916In Stock	Cut Tape £11.14 £8.67 £7.81 £7.38 View Reel £6.55 £7.18 £6.73 £6.61 £6.55 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	QFN-48	S08	8 bit	40 MHz	16 kB	2 kB	10 bit	39 I/O	1.8 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8 BIT 32K FLASH 4K RAM MC9S08GT32ACFBE NXP Semiconductors 1: £10.39 812In Stock End of Life	Mfr. Part No. MC9S08GT32ACFBE Mouser Part No 841-MC9S08GT32ACFBE End of Life	NXP Semiconductors	8-bit Microcontrollers - MCU 8 BIT 32K FLASH 4K RAM	Datasheet	812In Stock	£10.39 £8.17 £7.31 £7.01 View £6.57 £6.42 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFP-44	S08	8 bit	40 MHz	32 kB	2 kB		36 I/O	1.8 V	3.6 V	+ 85 C	AEC-Q100	Tray
8-bit Microcontrollers - MCU 8-bit MCU, S08 core, 16KB Flash, 40MHz, -40/+85degC, Automotive Qualified, SOP 20 S9S08SG16E1CTJR NXP Semiconductors 1: £4.97 1,970In Stock End of Life	Mfr. Part No. S9S08SG16E1CTJR Mouser Part No 841-S9S08SG16E1CTJR End of Life	NXP Semiconductors	8-bit Microcontrollers - MCU 8-bit MCU, S08 core, 16KB Flash, 40MHz, -40/+85degC, Automotive Qualified, SOP 20	Datasheet	1,970In Stock	Cut Tape £4.97 £3.41 £3.19 £2.80 Reel £2.03 View £2.65 £2.38 £2.19 £1.98 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TSSOP-20	S08	8 bit	40 MHz	16 kB	1 kB	10 bit	16 I/O	2.7 V	5.5 V	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8-bit MCU, S08 core, 16KB Flash, 36MHz, -40/+125degC, Automotive Qualified, SOP 28 S9S08SG16E1MTLR NXP Semiconductors 1: £5.60 4,197In Stock End of Life	Mfr. Part No. S9S08SG16E1MTLR Mouser Part No 841-S9S08SG16E1MTLR End of Life	NXP Semiconductors	8-bit Microcontrollers - MCU 8-bit MCU, S08 core, 16KB Flash, 36MHz, -40/+125degC, Automotive Qualified, SOP 28	Datasheet	4,197In Stock	Cut Tape £5.60 £4.11 £3.83 £3.37 View Reel £2.38 £3.20 £2.87 £2.64 £2.51 £2.38 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	TSSOP-28	S08	8 bit	40 MHz	16 kB	1 kB	10 bit	22 I/O	2.7 V	5.5 V	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 9S08 UC W/ 8K 0.25UM SGF MC9S08SH4MTG NXP Semiconductors 1: £6.24 1,206In Stock	Mfr. Part No. MC9S08SH4MTG Mouser Part No 841-MC9S08SH4MTG	NXP Semiconductors	8-bit Microcontrollers - MCU 9S08 UC W/ 8K 0.25UM SGF	Datasheet	1,206In Stock	£6.24 £4.37 £3.79 £3.36 View £3.25 £3.05 £2.85 Quote	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-16	S08	8 bit	40 MHz	4 kB	256 B	10 bit	13 I/O	2.7 V	5.5 V	+ 125 C		Tube
16-bit Microcontrollers - MCU 16-BIT GENERAL MCU_RL78/F24-CAN_256KB LFQFP 64 R7F124FLJ4AFB-C#AA0 Renesas Electronics 1: £5.08 271In Stock	Mfr. Part No. R7F124FLJ4AFB-C#AA0 Mouser Part No 968-R7F124FLJ4AFBCAA	Renesas Electronics	16-bit Microcontrollers - MCU 16-BIT GENERAL MCU_RL78/F24-CAN_256KB LFQFP 64 Learn More about Renesas Electronics renesas rl78 f24 microcontrollers	Datasheet	271In Stock	£5.08 £3.90 £3.43 £3.20 View £2.78 £2.76 £2.71 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	RL78	16 bit	40 MHz	256 kB	24 kB	12 bit	52 I/O	2.7 V	5.5 V	+ 125 C		Tray
16-bit Microcontrollers - MCU 16-BIT GENERAL MCU_RL78/F24-CAN_256KB LFQFP 100 R7F124FPJ4AFB-C#AA0 Renesas Electronics 1: £5.26 281In Stock	Mfr. Part No. R7F124FPJ4AFB-C#AA0 Mouser Part No 968-R7F124FPJ4AFBCAA	Renesas Electronics	16-bit Microcontrollers - MCU 16-BIT GENERAL MCU_RL78/F24-CAN_256KB LFQFP 100 Learn More about Renesas Electronics renesas rl78 f24 microcontrollers	Datasheet	281In Stock	£5.26 £4.05 £3.43 £3.29 View £3.09 £3.07 £3.02 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	RL78	16 bit	40 MHz	256 kB	24 kB	12 bit	86 I/O	2.7 V	5.5 V	+ 125 C		Tray
8-bit Microcontrollers - MCU 32KB 1536 RAM 34I/O PIC18F452-E/P Microchip Technology 1: £7.74 52In Stock NRND	Mfr. Part No. PIC18F452-E/P Mouser Part No 579-PIC18F452-E/P NRND	Microchip Technology	8-bit Microcontrollers - MCU 32KB 1536 RAM 34I/O	Datasheet	52In Stock	£7.74	Min.: 1 Mult.: 1	Through Hole	PDIP-40	PIC18	8 bit	40 MHz	32 kB	1.5 kB	10 bit	34 I/O	4.2 V	5.5 V	+ 125 C		Tube
8-bit Microcontrollers - MCU 128KB Flash 4KB RAM nanoWatt XLP GP PIC18F67K22T-I/PTRSL Microchip Technology 1: £4.30 509In Stock NRND	Mfr. Part No. PIC18F67K22T-I/PTRSL Mouser Part No 579-PIC18F67K22TIPTR NRND	Microchip Technology	8-bit Microcontrollers - MCU 128KB Flash 4KB RAM nanoWatt XLP GP	Datasheet	509In Stock	Cut Tape £4.30 Reel £3.66 MouseReel Available	Min.: 1 Mult.: 1 : 1,200	SMD/SMT	TQFP-64	PIC18	8 bit	40 MHz	128 kB	4 kB	12 bit	53 I/O	1.8 V	5.5 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU CAN-STICK Bootloader UART IND AT89C51CC01UA-SLSUM Microchip Technology 1: £7.18 937In Stock 999Expected 09/11/2026	Mfr. Part No. AT89C51CC01UA-SLSUM Mouser Part No 556-A89C51C01UASLSUM	Microchip Technology	8-bit Microcontrollers - MCU CAN-STICK Bootloader UART IND Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	937In Stock 999Expected 09/11/2026	£7.18 £6.57 £5.96	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	8 bit	40 MHz	32 kB	1.2 kB	10 bit	34 I/O	3 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader CAN GREEN AT89C51CC01CAT-RLTUM Microchip Technology 1: £6.81 762In Stock	Mfr. Part No. AT89C51CC01CAT-RLTUM Mouser Part No 556-AT89C51CC01CATUM	Microchip Technology	8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader CAN GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	762In Stock	£6.81 £6.24 £5.66	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	40 MHz	32 kB	1.25 kB	10 bit	34 I/O	3 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 32KB 1536 RAM 36I/O PIC18LF4520T-I/PT Microchip Technology 1: £6.21 1,111In Stock	Mfr. Part No. PIC18LF4520T-I/PT Mouser Part No 579-18LF4520T-I/PT	Microchip Technology	8-bit Microcontrollers - MCU 32KB 1536 RAM 36I/O	Datasheet	1,111In Stock	Cut Tape £6.21 Reel £5.26 MouseReel Available	Min.: 1 Mult.: 1 : 1,200	SMD/SMT	TQFP-44	PIC18	8 bit	40 MHz	32 kB	1.5 kB	10 bit	36 I/O	2 V	5.5 V	+ 85 C		Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU 40MIPS 256KB PIC24HJ256GP610-I/PT Microchip Technology 1: £7.58 185In Stock 238Expected 22/01/2027	Mfr. Part No. PIC24HJ256GP610-I/PT Mouser Part No 579-24HJ256GP610IPT	Microchip Technology	16-bit Microcontrollers - MCU 40MIPS 256KB Learn More about Microchip Technology microchip 16bit mcu dsc	Datasheet	185In Stock 238Expected 22/01/2027	£7.58 £6.94 £6.93	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	PIC24H	16 bit	40 MHz	256 kB	16 kB	10 bit, 12 bit	85 I/O	3 V	3.6 V	+ 85 C		Tray
32-bit Microcontrollers - MCU 32B MCU 32KB FL 8KB RAM 40MHz 28Pin PIC32MX120F032DT-I/PT Microchip Technology 1: £2.59 515In Stock	Mfr. Part No. PIC32MX120F032DT-I/PT Mouser Part No 579-32MX120F032DTIPT	Microchip Technology	32-bit Microcontrollers - MCU 32B MCU 32KB FL 8KB RAM 40MHz 28Pin Learn More about Microchip Technology microchip pic32mx mcu	Datasheet	515In Stock	Cut Tape £2.59 £2.52 Reel £2.17 MouseReel Available	Min.: 1 Mult.: 1 : 1,200	SMD/SMT	TQFP-44	MIPS32 M4K	32 bit	40 MHz	32 kB	8 kB	10 bit	34 I/O	2.3 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU 128KB Flash 16KB RAM I2S, CTMU, UART, AD PIC32MX130F128H-I/PT Microchip Technology 1: £3.13 475In Stock	Mfr. Part No. PIC32MX130F128H-I/PT Mouser Part No 579-32MX130F128HI/PT	Microchip Technology	32-bit Microcontrollers - MCU 128KB Flash 16KB RAM I2S, CTMU, UART, AD Learn More about Microchip Technology microchip pic32mx mcu	Datasheet	475In Stock	£3.13 £2.86 £2.60	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	MIPS32 M4K	32 bit	40 MHz	128 kB	16 kB	10 bit	53 I/O	2.3 V	3.6 V	+ 85 C		Tray
32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 28 Pin PIC32MX150F128B-I/ML Microchip Technology 1: £3.37 2,817In Stock	Mfr. Part No. PIC32MX150F128B-I/ML Mouser Part No 579-32MX150F128BIML	Microchip Technology	32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 28 Pin Learn More about Microchip Technology microchip pic32mx mcu	Datasheet	2,817In Stock	£3.37 £3.08 £2.80	Min.: 1 Mult.: 1	SMD/SMT	QFN-28	MIPS32 M4K	32 bit	40 MHz	128 kB	32 kB	10 bit	21 I/O	2.3 V	3.6 V	+ 85 C		Tube
32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 28 Pin PIC32MX150F128B-I/SO Microchip Technology 1: £3.29 1,233In Stock	Mfr. Part No. PIC32MX150F128B-I/SO Mouser Part No 579-32MX150F128BISO	Microchip Technology	32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 28 Pin Learn More about Microchip Technology microchip pic32mx mcu	Datasheet	1,233In Stock	£3.29 £3.01 £2.72	Min.: 1 Mult.: 1	SMD/SMT	SOIC-28	MIPS32 M4K	32 bit	40 MHz	128 kB	32 kB	10 bit	21 I/O	2.3 V	3.6 V	+ 85 C		Tube
32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 44 Pin PIC32MX150F128DT-I/PT Microchip Technology 1: £3.56 2,751In Stock	Mfr. Part No. PIC32MX150F128DT-I/PT Mouser Part No 579-32MX150F128DTIPT	Microchip Technology	32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 44 Pin Learn More about Microchip Technology microchip pic32mx mcu	Datasheet	2,751In Stock	Cut Tape £3.56 £3.46 Reel £2.97 MouseReel Available	Min.: 1 Mult.: 1 : 1,200	SMD/SMT	TQFP-44	MIPS32 M4K	32 bit	40 MHz	128 kB	32 kB	10 bit	35 I/O	2.3 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 28 Pin PIC32MX250F128B-I/SS Microchip Technology 1: £3.64 679In Stock	Mfr. Part No. PIC32MX250F128B-I/SS Mouser Part No 579-32MX250F128BISS	Microchip Technology	32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 28 Pin Learn More about Microchip Technology microchip pic32mx mcu	Datasheet	679In Stock	£3.64 £3.33 £3.02	Min.: 1 Mult.: 1	SMD/SMT	SSOP-28	MIPS32 M4K	32 bit	40 MHz	128 kB	32 kB	10 bit	19 I/O	2.3 V	3.6 V	+ 85 C		Tube
32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 44 Pin PIC32MX250F128D-I/PT Microchip Technology 1: £3.92 651In Stock 2,720Expected 21/12/2026	Mfr. Part No. PIC32MX250F128D-I/PT Mouser Part No 579-32MX250F128DIPT	Microchip Technology	32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 44 Pin Learn More about Microchip Technology microchip pic32mx mcu	Datasheet	651In Stock 2,720Expected 21/12/2026	£3.92 £3.61 £3.27	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	MIPS32 M4K	32 bit	40 MHz	128 kB	32 kB	10 bit	33 I/O	2.3 V	3.6 V	+ 85 C		Tray
32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 44 Pin PIC32MX250F128DT-I/ML Microchip Technology 1: £4.07 962In Stock	Mfr. Part No. PIC32MX250F128DT-I/ML Mouser Part No 579-32MX250F128DTIML	Microchip Technology	32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 44 Pin Learn More about Microchip Technology microchip pic32mx mcu	Datasheet	962In Stock	Cut Tape £4.07 £3.96 Reel £3.38 MouseReel Available	Min.: 1 Mult.: 1 : 1,600	SMD/SMT	QFN-44	MIPS32 M4K	32 bit	40 MHz	128 kB	32 kB	10 bit	33 I/O	2.3 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel