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4 kB 8-bit Microcontrollers - MCU

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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	Packaging
8-bit Microcontrollers - MCU STM8L Ultra LP 8-Bit 64-Pin 64kB Flash STM8L162R8T6 STMicroelectronics 1: £3.95 1,920Expected 16/04/2027	Mfr. Part No. STM8L162R8T6 Mouser Part No 511-STM8L162R8T6	STMicroelectronics	8-bit Microcontrollers - MCU STM8L Ultra LP 8-Bit 64-Pin 64kB Flash Learn More about STMicroelectronics stm8l	Datasheet	1,920Expected 16/04/2027	£3.95 £2.83 £2.57 £2.30 View £2.23 £2.02	Min.: 1 Mult.: 1	STM8	64 kB	4 kB	LQFP-64	16 MHz	12 bit	54 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8L162R8	Tray
8-bit Microcontrollers - MCU AVR,128KB FLASH 4KB EE,4KB SRAM,5V ATMEGA128-16AN Microchip Technology 1: £13.11 130Expected 10/11/2026	Mfr. Part No. ATMEGA128-16AN Mouser Part No 556-ATMEGA128-16AN	Microchip Technology	8-bit Microcontrollers - MCU AVR,128KB FLASH 4KB EE,4KB SRAM,5V	Datasheet	130Expected 10/11/2026	£13.11 £11.54 £10.86	Min.: 1 Mult.: 1	AVR	128 kB	4 kB	TQFP-64	16 MHz	10 bit	53 I/O	4.5 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	ATmega128	Tray
8-bit Microcontrollers - MCU 128K Flash 4K EEPROM 4K SRAM 53 IO Pins ATMEGA128A-MU Microchip Technology 1: £5.42 1,620Expected 21/01/2027	Mfr. Part No. ATMEGA128A-MU Mouser Part No 556-ATMEGA128A-MU	Microchip Technology	8-bit Microcontrollers - MCU 128K Flash 4K EEPROM 4K SRAM 53 IO Pins	Datasheet	1,620Expected 21/01/2027	£5.42 £4.98 £4.50	Min.: 1 Mult.: 1	AVR	128 kB	4 kB	QFN-64	16 MHz	10 bit	53 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega128A	Tray
8-bit Microcontrollers - MCU 20MHz, 32KB, QFN ATMEGA3209-MFR Microchip Technology 1: £1.37 7,992Expected 21/12/2026	Mfr. Part No. ATMEGA3209-MFR Mouser Part No 556-ATMEGA3209-MFR	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 32KB, QFN Learn More about Microchip Technology microchip atmega3209 mcu	Datasheet	7,992Expected 21/12/2026	Cut Tape £1.37 £1.34 Reel £1.13	Min.: 1 Mult.: 1 : 4,000	AVR	32 kB	4 kB	VQFN-48	20 MHz	10 bit	41 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	ATmega3209	Reel, Cut Tape
8-bit Microcontrollers - MCU 20MHz, 32KB, QFN ATMEGA3209-MU Microchip Technology 1: £1.26 979Expected 04/11/2026	Mfr. Part No. ATMEGA3209-MU Mouser Part No 556-ATMEGA3209-MU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 32KB, QFN Learn More about Microchip Technology microchip atmega3209 mcu	Datasheet	979Expected 04/11/2026	£1.26 £1.14 £1.04	Min.: 1 Mult.: 1	AVR	32 kB	4 kB	VQFN-48	20 MHz	10 bit	41 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega3209	Tray
8-bit Microcontrollers - MCU 20MHz, 32KB, QFN ATMEGA3209-MUR Microchip Technology 1: £1.28 6,025Expected 09/11/2026	Mfr. Part No. ATMEGA3209-MUR Mouser Part No 556-ATMEGA3209-MUR	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 32KB, QFN Learn More about Microchip Technology microchip atmega3209 mcu	Datasheet	6,025Expected 09/11/2026	Cut Tape £1.28 £1.26 Reel £1.07 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	AVR	32 kB	4 kB	VQFN-48	20 MHz	10 bit	41 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega3209	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins ATMEGA64-16AU Microchip Technology 1: £8.88 899Expected 15/02/2027	Mfr. Part No. ATMEGA64-16AU Mouser Part No 556-ATMEGA64-16AU	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	899Expected 15/02/2027	£8.88 £7.66 £7.11 £6.59	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-64	16 MHz	10 bit	53 I/O	4.2 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 ATMEGA644P-20AU Microchip Technology 1: £5.29 999On Order	Mfr. Part No. ATMEGA644P-20AU Mouser Part No 556-ATMEGA644P-20AU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	999On Order On Order Ship Dates Mfr. No: ATMEGA644P-20AU Stock: 0 On Order: 359 Expected 11/12/2026 640 Expected 28/01/2027 Factory Lead Time: 20 Weeks	£5.29 £4.85 £4.38	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-44	20 MHz	10 bit	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 FLASH 2K EE 4K SRAM ADC-10MHZ ATMEGA644PV-10AU Microchip Technology 1: £5.29 638On Order	Mfr. Part No. ATMEGA644PV-10AU Mouser Part No 556-ATMEGA644PV10AU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC-10MHZ Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	638On Order On Order Ship Dates Mfr. No: ATMEGA644PV-10AU Stock: 0 On Order: 158 Expected 25/01/2027 480 Expected 08/03/2027 Factory Lead Time: 20 Weeks	£5.29 £4.85 £4.38	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-44	10 MHz	10 bit	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-20MHz, IND ATMEGA645A-AU Microchip Technology 1: £4.79 478Expected 11/02/2027	Mfr. Part No. ATMEGA645A-AU Mouser Part No 556-ATMEGA645A-AU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	478Expected 11/02/2027	£4.79 £4.40 £3.98	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-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 16MHz 105C ATMEGA64A-AN Microchip Technology 1: £4.43 1,182Expected 09/04/2027	Mfr. Part No. ATMEGA64A-AN Mouser Part No 556-ATMEGA64A-AN	Microchip Technology	8-bit Microcontrollers - MCU 16MHz 105C Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	1,182Expected 09/04/2027	£4.43 £4.05 £3.67	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-64	16 MHz	10 bit	53 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	ATmega64A	Tray
8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins ATMEGA64L-8AU Microchip Technology 1: £7.73 564On Order	Mfr. Part No. ATMEGA64L-8AU Mouser Part No 556-ATMEGA64L-8AU	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	564On Order On Order Ship Dates Mfr. No: ATMEGA64L-8AU Stock: 0 On Order: 114 Pending 180 Expected 08/03/2027 270 Expected 01/04/2027 Factory Lead Time: 28 Weeks	£7.73 £7.11 £6.43	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-64	8 MHz	10 bit	53 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega64	Tray
8-bit Microcontrollers - MCU AVR8 64KB FLSH 4KB ATXMEGA64A3U-AU Microchip Technology 1: £4.11 1,618On Order	Mfr. Part No. ATXMEGA64A3U-AU Mouser Part No 556-ATXMEGA64A3U-AU	Microchip Technology	8-bit Microcontrollers - MCU AVR8 64KB FLSH 4KB	Datasheet	1,618On Order On Order Ship Dates Mfr. No: ATXMEGA64A3U-AU Stock: 0 On Order: 628 Expected 12/01/2027 990 Expected 18/01/2027 Factory Lead Time: 19 Weeks	£4.11 £3.78 £3.41	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-64	32 MHz	12 bit	50 I/O	1.6 V	3.6 V	SMD/SMT	8 bit/16 bit	- 40 C	+ 85 C	XMEGA A3U	Tray
8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI AVR32EA32T-E/RXB Microchip Technology 1: £0.952 3,830Expected 05/01/2027	Mfr. Part No. AVR32EA32T-E/RXB Mouser Part No 579-AVR32EA32T-E/RXB	Microchip Technology	8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI Learn More about Microchip Technology microchip avr32ea28 32 48 mcus	Datasheet	3,830Expected 05/01/2027	Cut Tape £0.952 £0.934 Reel £0.791	Min.: 1 Mult.: 1 : 5,000	AVR	32 kB	4 kB	VQFN-32	20 MHz	12 bit	28 I/O	1.8 V	5.5 V	SMD/SMT	8 bit/16 bit	- 40 C	+ 125 C	AVR32EA28/32/48	Reel, Cut Tape
8-bit Microcontrollers - MCU S08LL 8-bit MCU, S08 core, 64KB Flash, 40MHz, QFP 80 MC9S08LL64CLK NXP Semiconductors 1: £11.66 1,350Expected 12/11/2026	Mfr. Part No. MC9S08LL64CLK Mouser Part No 841-MC9S08LL64CLK	NXP Semiconductors	8-bit Microcontrollers - MCU S08LL 8-bit MCU, S08 core, 64KB Flash, 40MHz, QFP 80	Datasheet	1,350Expected 12/11/2026	£11.66 £8.86 £8.49 £7.48 View £7.11 £6.87 £6.65 Quote	Min.: 1 Mult.: 1	S08	64 kB	4 kB	LQFP-80	40 MHz	12 bit	39 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	S08LL	Tray
8-bit Microcontrollers - MCU 64kB Flash 4kB RAM LCD PIC18F86K90-I/PT Microchip Technology 1: £4.16 237Expected 25/01/2027	Mfr. Part No. PIC18F86K90-I/PT Mouser Part No 579-PIC18F86K90-I/PT	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 4kB RAM LCD Learn More about Microchip Technology microchipxlpK90	Datasheet	237Expected 25/01/2027	£4.16 £3.82 £3.46	Min.: 1 Mult.: 1	PIC18	64 kB	4 kB	TQFP-80	64 MHz	12 bit	69 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	PIC18F8xK90	Tray
8-bit Microcontrollers - MCU S08JM 8-bit MCU, S08 core, 60KB Flash, 48MHz, QFP 44 MC9S08JM60CLD NXP Semiconductors 1: £14.09 796Expected 07/12/2026 End of Life	Mfr. Part No. MC9S08JM60CLD Mouser Part No 841-MC9S08JM60CLD End of Life	NXP Semiconductors	8-bit Microcontrollers - MCU S08JM 8-bit MCU, S08 core, 60KB Flash, 48MHz, QFP 44	Datasheet	796Expected 07/12/2026	£14.09 £11.39 £10.91 £9.62 View £9.14 £8.73 £8.00 Quote	Min.: 1 Mult.: 1	S08	60 kB	4 kB	LQFP-44	48 MHz	12 bit	33 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	S08JM	Tray
8-bit Microcontrollers - MCU 64KB Flash ROM, 4KB SRAM, 2 CHs of SPI,1T/8051 ML51LD1AE Nuvoton 1: £2.24 500Expected 15/07/2027	Mfr. Part No. ML51LD1AE Mouser Part No 503-ML51LD1AE	Nuvoton	8-bit Microcontrollers - MCU 64KB Flash ROM, 4KB SRAM, 2 CHs of SPI,1T/8051	Datasheet	500Expected 15/07/2027	Cut Tape £2.24 £1.47 £1.33 £1.15 Reel £0.969	Min.: 1 Mult.: 1 : 250	8051	64 kB	4 kB	LQFP-48	24 MHz	12 bit	43 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8-bit Ultra-Low PWR 16kB ProxSense SPI STMicroelectronics STM8TL53G4U6 STM8TL53G4U6 STMicroelectronics 1: £3.46 17In Stock NRND	Mfr. Part No. STM8TL53G4U6 Mouser Part No 511-STM8TL53G4U6 NRND	STMicroelectronics	8-bit Microcontrollers - MCU 8-bit Ultra-Low PWR 16kB ProxSense SPI	Datasheet	17In Stock	£3.46 £2.62 £2.28 £2.17 View £2.00 £1.91 £1.88 £1.85 £1.76	Min.: 1 Mult.: 1	STM8	16 kB	4 kB		16 MHz	No ADC	17 I/O	1.65 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8TL53G4	Tray
8-bit Microcontrollers - MCU 64K FLASH ENHANCED 4K RAM 2 UARTS Z8F6421AN020SG ZiLOG 1: £8.78 Lead-Time 32 Weeks End of Life	Mfr. Part No. Z8F6421AN020SG Mouser Part No 692-Z8F6421AN020SG End of Life	ZiLOG	8-bit Microcontrollers - MCU 64K FLASH ENHANCED 4K RAM 2 UARTS	Datasheet	Lead-Time 32 Weeks	£8.78 £7.07 £6.57 £6.38	Min.: 1 Mult.: 1	eZ8	64 kB	4 kB	LQFP-44	20 MHz	10 bit	31 I/O	3 V	3.6 V	SMD/SMT	8 bit	0 C	+ 70 C	Z8F642	Tube
8-bit Microcontrollers - MCU 64K FLASH ENHANCED 4K RAM 2 UARTS Z8F6422AR020EG ZiLOG 1: £14.42 1,440Expected 13/05/2027 End of Life	Mfr. Part No. Z8F6422AR020EG Mouser Part No 692-Z8F6422AR020EG End of Life	ZiLOG	8-bit Microcontrollers - MCU 64K FLASH ENHANCED 4K RAM 2 UARTS	Datasheet	1,440Expected 13/05/2027	£14.42 £10.96 £10.50 £9.25	Min.: 1 Mult.: 1	eZ8	64 kB	4 kB	LQFP-64	20 MHz	10 bit	46 I/O	3 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	Z8F642	Tube
8-bit Microcontrollers - MCU 64K FLASH ENHANCED 4K RAM 2 UARTS Z8F6422AR020SG ZiLOG 1: £9.66 4,179Expected 03/02/2027 End of Life	Mfr. Part No. Z8F6422AR020SG Mouser Part No 692-Z8F6422AR020SG End of Life	ZiLOG	8-bit Microcontrollers - MCU 64K FLASH ENHANCED 4K RAM 2 UARTS	Datasheet	4,179Expected 03/02/2027	£9.66 £7.44 £7.04	Min.: 1 Mult.: 1	eZ8	64 kB	4 kB	LQFP-64	20 MHz	10 bit	46 I/O	3 V	3.6 V	SMD/SMT	8 bit	0 C	+ 70 C	Z8F642	Tube
8-bit Microcontrollers - MCU 64K FLASH 4/K RAM Z8F6423FT020SG ZiLOG 1: £8.50 2,770On Order End of Life	Mfr. Part No. Z8F6423FT020SG Mouser Part No 692-Z8F6423FT020SG End of Life	ZiLOG	8-bit Microcontrollers - MCU 64K FLASH 4/K RAM	Datasheet	2,770On Order On Order Ship Dates Mfr. No: Z8F6423FT020SG Stock: 0 On Order: 1,384 Expected 04/02/2027 1,386 Expected 11/02/2027 Factory Lead Time: 32 Weeks	£8.50 £6.63 £6.08 £5.71	Min.: 1 Mult.: 1	eZ8	64 kB	4 kB	QFP-80	20 MHz	10 bit	60 I/O	3 V	3.6 V	SMD/SMT	8 bit	0 C	+ 70 C	Z8F642	Tray
8-bit Microcontrollers - MCU 64K FLASH ENHANCED 4K RAM 2 UARTS Z8F6421AN020EG ZiLOG 1: £8.78 410Expected 03/02/2027 End of Life	Mfr. Part No. Z8F6421AN020EG Mouser Part No 692-Z8F6421AN020EG End of Life	ZiLOG	8-bit Microcontrollers - MCU 64K FLASH ENHANCED 4K RAM 2 UARTS	Datasheet	410Expected 03/02/2027	£8.78 £7.07 £6.57 £6.38	Min.: 1 Mult.: 1	eZ8	64 kB	4 kB	LQFP-44	20 MHz	10 bit	31 I/O	3 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	Z8F642	Tube
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 2x OPA, 12-bit differential ADCC with computation, PIC18F56Q71-E/6LX Microchip Technology 427: £1.26 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. PIC18F56Q71-E/6LX Mouser Part No 494-PIC18F56Q71E6LX	Microchip Technology	8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 2x OPA, 12-bit differential ADCC with computation, Learn More about Microchip Technology microchip pic18 q71 mcus	Datasheet	Non-Stocked Lead-Time 10 Weeks	£1.26	Min.: 427 Mult.: 61	PIC18	64 kB	4 kB	VQFN-48	64 MHz	12 bit	44 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	PIC18F56	Tube