8-bit Microcontrollers - MCU – Mouser United Kingdom

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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.	Core	Program Memory Size	Data RAM Size	Package/Case	Maximum Clock Frequency	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Bus Width	Minimum Operating Temperature	Maximum Operating Temperature	Series	Qualification	Packaging
8-bit Microcontrollers - MCU 28KB Flash, 2KB RAM, 256KB EE, LCD, 12-bit ADC2, DAC, LP COMP, PWM, CCP, CWG, SMT, ZCD, PPS, RTCC, HLT, WWDT, PMD PIC16F19156-I/MV Microchip Technology 1: £1.44 455Expected 19/02/2027	Mfr. Part No. PIC16F19156-I/MV Mouser Part No 579-PIC16F19156-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 28KB Flash, 2KB RAM, 256KB EE, LCD, 12-bit ADC2, DAC, LP COMP, PWM, CCP, CWG, SMT, ZCD, PPS, RTCC, HLT, WWDT, PMD Learn More about Microchip Technology microchip pic16f191xx microcontrollers	Datasheet	455Expected 19/02/2027	£1.44 £1.32 £1.20	Min.: 1 Mult.: 1	PIC16	28 kB	2 kB	UQFN-28	32 MHz	12 bit	24 I/O	2.3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	PIC16(L)F191xx		Tube
8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 256B EEPROM, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA, DAC, Comp, PWM, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, UART, SPI/I2C, IDLE/DOZE/PMD PIC18F25K42-E/SP Microchip Technology 1: £2.13 285Expected 07/01/2027	Mfr. Part No. PIC18F25K42-E/SP Mouser Part No 579-PIC18F25K42-E/SP	Microchip Technology	8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 256B EEPROM, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA, DAC, Comp, PWM, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, UART, SPI/I2C, IDLE/DOZE/PMD Learn More about Microchip Technology microchip pic18 k42 mcus	Datasheet	285Expected 07/01/2027	£2.13 £1.96 £1.78	Min.: 1 Mult.: 1	PIC18	32 kB	2 kB	SPDIP-28	64 MHz	12 bit	25 I/O	2.3 V	5.5 V	Through Hole	8 bit	- 40 C	+ 125 C	PIC18(L)F2xK42	AEC-Q100	Tube
8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 256B EEPROM, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA, DAC, Comp, PWM, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, UART, SPI/I2C, IDLE/DOZE/PMD PIC18F25K42-I/MV Microchip Technology 1: £1.44 452Expected 30/10/2026	Mfr. Part No. PIC18F25K42-I/MV Mouser Part No 579-PIC18F25K42-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 256B EEPROM, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA, DAC, Comp, PWM, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, UART, SPI/I2C, IDLE/DOZE/PMD Learn More about Microchip Technology microchip pic18 k42 mcus	Datasheet	452Expected 30/10/2026	£1.44 £1.32 £1.20	Min.: 1 Mult.: 1	PIC18	32 kB	2 kB	UQFN-28	64 MHz	12 bit	25 I/O	2.3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	PIC18(L)F2xK42	AEC-Q100	Tube
8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 256B EEPROM, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA, DAC, Comp, PWM, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, UART, SPI/I2C, IDLE/DOZE/PMD PIC18F45K42-I/MV Microchip Technology 1: £1.69 364Expected 16/11/2026	Mfr. Part No. PIC18F45K42-I/MV Mouser Part No 579-PIC18F45K42-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 256B EEPROM, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA, DAC, Comp, PWM, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, UART, SPI/I2C, IDLE/DOZE/PMD Learn More about Microchip Technology microchip pic18 k42 mcus	Datasheet	364Expected 16/11/2026	£1.69 £1.55 £1.41	Min.: 1 Mult.: 1	PIC18	32 kB	2 kB	UQFN-28	64 MHz	12 bit	36 I/O	2.3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	PIC18(L)F4xK42		Tube
8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 256B EEPROM, 10b ADC2, 5b DAC, Comp, PWM, CCP, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, EUSART, SPI/I2C, IDLE/DOZE/PMD PIC18F65K40-E/PT Microchip Technology 1: £2.07 320Expected 12/11/2026	Mfr. Part No. PIC18F65K40-E/PT Mouser Part No 579-PIC18F65K40-E/PT	Microchip Technology	8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 256B EEPROM, 10b ADC2, 5b DAC, Comp, PWM, CCP, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, EUSART, SPI/I2C, IDLE/DOZE/PMD Learn More about Microchip Technology microchip pic18f k40 mcus	Datasheet	320Expected 12/11/2026	£2.07 £1.90 £1.73	Min.: 1 Mult.: 1	PIC18	32 kB	2 kB	TQFP-64	64 MHz	10 bit	60 I/O	2.3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	PIC18(L)F6xK40	AEC-Q100	Tray
8-bit Microcontrollers - MCU 8-Bit MCU 28KB Flash 2KB RAM 256B EE CIP PIC16F18876-I/MV Microchip Technology 1: £1.39 414Expected 25/12/2026	Mfr. Part No. PIC16F18876-I/MV Mouser Part No 579-PIC16F18876-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 8-Bit MCU 28KB Flash 2KB RAM 256B EE CIP Learn More about Microchip Technology microchip pic16f188xx microcontrollers	Datasheet	414Expected 25/12/2026	£1.39 £1.27 £1.14	Min.: 1 Mult.: 1	PIC16	28 kB	2 kB	QFN-40	32 MHz	10 bit	36 I/O	2.3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	PIC16(L)F1887x	AEC-Q100	Tube
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC ATMEGA64-16MU Microchip Technology 1: £7.73 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ATMEGA64-16MU Mouser Part No 556-ATMEGA64-16MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	£7.73 £7.11 £6.43	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	QFN-64	16 MHz	10 bit	53 I/O	4.5 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega64		Tray
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE - 20MHZ 5V ATMEGA644-20MU Microchip Technology 1: £6.45 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ATMEGA644-20MU Mouser Part No 556-ATMEGA644-20MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE - 20MHZ 5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	£6.45 £5.10 £4.85 £4.49 View £4.48 £4.29	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	MLF-44	20 MHz	10 bit	32 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644		Tray
8-bit Microcontrollers - MCU 20 MHz Ind Temp ATMEGA644A-MUR Microchip Technology 4,000: £3.54 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ATMEGA644A-MUR Mouser Part No 556-ATMEGA644A-MUR	Microchip Technology	8-bit Microcontrollers - MCU 20 MHz Ind Temp Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel £3.54	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	20 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega644		Reel
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V ATMEGA644P-20AQR Microchip Technology 2,000: £4.58 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. ATMEGA644P-20AQR Mouser Part No 556-ATMEGA644P-20AQR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel £4.58	Min.: 2,000 Mult.: 2,000 : 2,000	AVR			TQFP-44	20 MHz			2.7 V	5.5 V	SMD/SMT	8 bit			ATmega644P		Reel
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V ATMEGA644P-20MQ Microchip Technology 360: £4.49 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ATMEGA644P-20MQ Mouser Part No 556-ATMEGA644P-20MQ	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	£4.49	Min.: 360 Mult.: 360	AVR	64 kB	4 kB	VQFN-44	20 MHz		32 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644P		Tray
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHz EXT,5V ATMEGA644P-20MQR Microchip Technology 4,000: £4.58 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ATMEGA644P-20MQR Mouser Part No 556-ATMEGA644P-20MQR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHz EXT,5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £4.58	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	20 MHz			2.7 V	5.5 V	SMD/SMT	8 bit			ATmega644P		Reel
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V ATMEGA644P-20MUR Microchip Technology 4,000: £4.49 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ATMEGA644P-20MUR Mouser Part No 556-ATMEGA644P-20MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £4.49	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	20 MHz			2.7 V	5.5 V	SMD/SMT	8 bit			ATmega644P		Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C ATMEGA644PA-MNR Microchip Technology 4,000: £4.29 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ATMEGA644PA-MNR Mouser Part No 556-ATMEGA644PA-MNR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £4.29	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	20 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega644		Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND ATMEGA644PA-MUR Microchip Technology 4,000: £4.09 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ATMEGA644PA-MUR Mouser Part No 556-ATMEGA644PA-MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £4.09	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	20 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega644		Reel
8-bit Microcontrollers - MCU AVR 64KB, 2KB EE 10MHz 4KB SRAM, 1.8V ATMEGA644PV-10MQ Microchip Technology 360: £4.49 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ATMEGA644PV-10MQ Mouser Part No 556-ATMEGA644PV-10MQ	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB, 2KB EE 10MHz 4KB SRAM, 1.8V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	£4.49	Min.: 360 Mult.: 360	AVR	64 kB	4 kB	VQFN-44	10 MHz		32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644P		Tray
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V ATMEGA644PV-10MQR Microchip Technology 4,000: £4.58 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ATMEGA644PV-10MQR Mouser Part No 556-ATMEGA644PV10MQR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £4.58	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	10 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega644P		Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V ATMEGA644PV-10MUR Microchip Technology 4,000: £4.49 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ATMEGA644PV-10MUR Mouser Part No 556-ATMEGA644PV10MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel £4.49	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	10 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega644P		Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V ATMEGA644V-10MUR Microchip Technology 4,000: £4.37 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ATMEGA644V-10MUR Mouser Part No 556-ATMEGA644V-10MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £4.37	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	10 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega644		Reel
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC-10MHZ ATMEGA644V-10MU Microchip Technology 360: £4.29 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ATMEGA644V-10MU Mouser Part No 556-ATMEGA644V10MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC-10MHZ Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	£4.29	Min.: 360 Mult.: 360	AVR	64 kB	4 kB	MLF-44	10 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644		Tray
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND ATMEGA645A-MU Microchip Technology 260: £3.98 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ATMEGA645A-MU Mouser Part No 556-ATMEGA645A-MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	£3.98	Min.: 260 Mult.: 260	AVR	64 kB	4 kB	VQFN-64	16 MHz	10 bit	54 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega645A		Tray
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC 1.8V ATMEGA645V-8MU Microchip Technology 260: £4.90 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ATMEGA645V-8MU Mouser Part No 556-ATMEGA645V8MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC 1.8V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	£4.90	Min.: 260 Mult.: 260	AVR	64 kB	4 kB	MLF-64	8 MHz	10 bit	54 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega645		Tray
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5V ATMEGA649-16MUR Microchip Technology 4,000: £6.08 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ATMEGA649-16MUR Mouser Part No 556-ATMEGA649-16MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel £6.08	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-64	16 MHz			2.7 V	5.5 V	SMD/SMT	8 bit			ATmega649		Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5V ATMEGA6490-16AUR Microchip Technology 1,500: £6.97 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. ATMEGA6490-16AUR Mouser Part No 556-ATMEGA6490-16AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £6.97	Min.: 1,500 Mult.: 1,500 : 1,500	AVR			TQFP-100	16 MHz			2.7 V	5.5 V	SMD/SMT	8 bit			ATmega6490		Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND ATMEGA649A-MUR Microchip Technology 4,000: £4.50 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ATMEGA649A-MUR Mouser Part No 556-ATMEGA649A-MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £4.50	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-64	16 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega649A		Reel