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AVR Core 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 20MHz, Ind.Grade Grn,AVR,16KFl, USART ATTINY1634-MU Microchip Technology 1: £0.943 135In Stock NRND	Mfr. Part No. ATTINY1634-MU Mouser Part No 556-ATTINY1634-MU NRND	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, Ind.Grade Grn,AVR,16KFl, USART	Datasheet	135In Stock	£0.943 £0.856 £0.788	Min.: 1 Mult.: 1	AVR	16 kB	1 kB	QFN-20	12 MHz	10 bit	18 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny1634	Tray
8-bit Microcontrollers - MCU 20MHz, Ind.Grade Grn,AVR,16KFl, USART ATTINY1634-SU Microchip Technology 1: £1.49 253In Stock NRND	Mfr. Part No. ATTINY1634-SU Mouser Part No 556-ATTINY1634-SU NRND	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, Ind.Grade Grn,AVR,16KFl, USART	Datasheet	253In Stock	£1.49 £1.37 £1.24	Min.: 1 Mult.: 1	AVR	16 kB	1 kB	SOIC-20	12 MHz	10 bit	18 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny1634	Tube
8-bit Microcontrollers - MCU 20MHz,16KFLASH,EE SRAM ATTINY1634R-SUR Microchip Technology 1: £1.52 560In Stock NRND	Mfr. Part No. ATTINY1634R-SUR Mouser Part No 556-ATTINY1634R-SUR NRND	Microchip Technology	8-bit Microcontrollers - MCU 20MHz,16KFLASH,EE SRAM	Datasheet	560In Stock	Cut Tape £1.52 £1.48 Reel £1.26	Min.: 1 Mult.: 1 : 1,000	AVR	16 kB	1 kB	SOIC-20	12 MHz	10 bit	18 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny1634	Reel, Cut Tape
8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 512B RAM 16MHz Ind-G ATTINY167-SU Microchip Technology 1: £1.48 601In Stock NRND	Mfr. Part No. ATTINY167-SU Mouser Part No 556-ATTINY167-SU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 512B RAM 16MHz Ind-G Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	601In Stock	£1.48 £1.35 £1.23	Min.: 1 Mult.: 1	AVR	16 kB	512 B	SOIC-20	16 MHz	10 bit	16 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny167	Tube
8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 512B RAM 16MHz Ind-G ATTINY167-SUR Microchip Technology 1: £1.58 172In Stock NRND	Mfr. Part No. ATTINY167-SUR Mouser Part No 556-ATTINY167-SUR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 512B RAM 16MHz Ind-G Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	172In Stock	Cut Tape £1.58 £1.53 Reel £1.32 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	AVR	16 kB	512 B	SOIC-20	16 MHz	10 bit	16 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny167	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 2KB FL 128B SRAM ADC 2T-12MHz, IND ATTINY20-SSU Microchip Technology 1: £0.54 75In Stock 1,140Expected 15/01/2027 NRND	Mfr. Part No. ATTINY20-SSU Mouser Part No 556-ATTINY20-SSU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 2KB FL 128B SRAM ADC 2T-12MHz, IND	Datasheet	75In Stock 1,140Expected 15/01/2027	£0.54 £0.488 £0.45	Min.: 1 Mult.: 1	AVR	2 kB	128 B	SOIC-14	12 MHz	10 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny20	Tube
8-bit Microcontrollers - MCU AVR 2KB FL 128B SRAM ADC 2T-12MHz, IND ATTINY20-XUR Microchip Technology 1: £0.995 134In Stock NRND	Mfr. Part No. ATTINY20-XUR Mouser Part No 556-ATTINY20-XUR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 2KB FL 128B SRAM ADC 2T-12MHz, IND	Datasheet	134In Stock	Cut Tape £0.995 £0.986 Reel £0.829 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	AVR	2 kB	128 B	TSSOP-14	12 MHz	10 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny20	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins ATTINY2313-20MU Microchip Technology 1: £1.74 185In Stock NRND	Mfr. Part No. ATTINY2313-20MU Mouser Part No 556-ATTINY2313-20MU NRND	Microchip Technology	8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins	Datasheet	185In Stock	£1.74 £1.59 £1.44	Min.: 1 Mult.: 1	AVR	2 kB	128 B	MLF-20	20 MHz	No ADC	18 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny2313	Tray
8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins ATTINY2313-20PU Microchip Technology 1: £1.65 510In Stock NRND	Mfr. Part No. ATTINY2313-20PU Mouser Part No 556-ATTINY2313-20PU NRND	Microchip Technology	8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins	Datasheet	510In Stock	£1.65 £1.52 £1.37	Min.: 1 Mult.: 1	AVR	2 kB	128 B	PDIP-20	20 MHz	No ADC	18 I/O	2.7 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATtiny2313	Tube
8-bit Microcontrollers - MCU AVR 2KB FLSH 128B EE 128B SRAM 1UART 20P ATTINY2313-20SUR Microchip Technology 1: £1.74 226In Stock 1,000Expected 04/01/2027 NRND	Mfr. Part No. ATTINY2313-20SUR Mouser Part No 556-ATTINY2313-20SUR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 2KB FLSH 128B EE 128B SRAM 1UART 20P	Datasheet	226In Stock 1,000Expected 04/01/2027	Cut Tape £1.74 £1.70 Reel £1.44 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	AVR	2 kB	128 B	SOIC-20	20 MHz	No ADC	18 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny2313	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART ATTINY2313A-MU Microchip Technology 1: £0.668 492In Stock NRND	Mfr. Part No. ATTINY2313A-MU Mouser Part No 556-ATTINY2313A-MU NRND	Microchip Technology	8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART	Datasheet	492In Stock	£0.668 £0.601 £0.548	Min.: 1 Mult.: 1	AVR	2 kB	128 B	QFN-20	20 MHz	No ADC	18 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny2313	Tray
8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART ATTINY2313A-PU Microchip Technology 1: £1.37 152In Stock 3,348Expected 30/11/2026 NRND	Mfr. Part No. ATTINY2313A-PU Mouser Part No 556-ATTINY2313A-PU NRND	Microchip Technology	8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART	Datasheet	152In Stock 3,348Expected 30/11/2026	£1.37 £1.26 £1.13	Min.: 1 Mult.: 1	AVR	2 kB	128 B	PDIP-20	20 MHz	No ADC	18 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATtiny2313	Tube
8-bit Microcontrollers - MCU AVR 2KFL 128B EE1.8V 128B 1UART 20P-10MH ATTINY2313V-10SUR Microchip Technology 1: £1.74 660In Stock NRND	Mfr. Part No. ATTINY2313V-10SUR Mouser Part No 556-ATTINY2313V10SUR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 2KFL 128B EE1.8V 128B 1UART 20P-10MH	Datasheet	660In Stock	Cut Tape £1.74 £1.70 Reel £1.44 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	AVR	2 kB	128 B	SOIC-20	10 MHz	No ADC	18 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny2313	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 512B FLSH 32B SRAM TIMER 12MHz NiPdAu ATTINY4-MAHR Microchip Technology 1: £0.503 805In Stock NRND	Mfr. Part No. ATTINY4-MAHR Mouser Part No 556-ATTINY4-MAHR NRND	Microchip Technology	8-bit Microcontrollers - MCU 512B FLSH 32B SRAM TIMER 12MHz NiPdAu	Datasheet	805In Stock	Cut Tape £0.503 £0.494 Reel £0.421 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	AVR	512 B	32 B	UDFN-8	12 MHz	No ADC	4 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny4	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 512B FLASH 32B SRAM TIMER ATTINY4-TS8R Microchip Technology 1: £0.33 1,559In Stock NRND	Mfr. Part No. ATTINY4-TS8R Mouser Part No 556-ATTINY4-TS8R NRND	Microchip Technology	8-bit Microcontrollers - MCU 512B FLASH 32B SRAM TIMER	Datasheet	1,559In Stock	Cut Tape £0.33 £0.322 Reel £0.273	Min.: 1 Mult.: 1 : 4,500	AVR	512 B	32 B	SOT-23-6	10 MHz	No ADC	4 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	ATtiny4	Reel, Cut Tape
8-bit Microcontrollers - MCU AVR 4KB FL 256B SRAM 256B 20MHz 1.8-5.5V ATTINY4313-PU Microchip Technology 1: £1.35 354In Stock NRND	Mfr. Part No. ATTINY4313-PU Mouser Part No 556-ATTINY4313-PU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 4KB FL 256B SRAM 256B 20MHz 1.8-5.5V	Datasheet	354In Stock	£1.35 £1.25 £1.13	Min.: 1 Mult.: 1	AVR	4 kB	256 B	PDIP-20	20 MHz	No ADC	18 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATtiny4313	Tube
8-bit Microcontrollers - MCU 16MHz 0.150" 14 SOIC ATTINY441-SSU Microchip Technology 1: £0.882 271In Stock NRND	Mfr. Part No. ATTINY441-SSU Mouser Part No 556-ATTINY441-SSU NRND	Microchip Technology	8-bit Microcontrollers - MCU 16MHz 0.150" 14 SOIC Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	271In Stock	£0.882 £0.811 £0.732	Min.: 1 Mult.: 1	AVR	4 kB	256 B	SOIC-14	16 MHz	10 bit	12 I/O	1.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny441	Tube
8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz HI, 125C ATTINY44A-MF Microchip Technology 1: £0.952 345In Stock NRND	Mfr. Part No. ATTINY44A-MF Mouser Part No 556-ATTINY44A-MF NRND	Microchip Technology	8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz HI, 125C Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	345In Stock	£0.952 £0.871 £0.796	Min.: 1 Mult.: 1	AVR	4 kB	256 B	QFN-20	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	ATtiny44	Tray
8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp ATTINY44A-PU Microchip Technology 1: £1.15 489In Stock NRND	Mfr. Part No. ATTINY44A-PU Mouser Part No 556-ATTINY44A-PU NRND	Microchip Technology	8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	489In Stock	£1.15 £1.05 £0.952	Min.: 1 Mult.: 1	AVR	4 kB	256 B	PDIP-14	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATtiny44	Tube
8-bit Microcontrollers - MCU 4K FLASH 256B EE 256B SRAM - 20MHz ATTINY44A-SSN Microchip Technology 1: £0.713 440In Stock NRND	Mfr. Part No. ATTINY44A-SSN Mouser Part No 556-ATTINY44A-SSN NRND	Microchip Technology	8-bit Microcontrollers - MCU 4K FLASH 256B EE 256B SRAM - 20MHz Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	440In Stock	£0.713 £0.653 £0.593	Min.: 1 Mult.: 1	AVR	4 kB	256 B	SOIC-14	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	ATtiny44	Tube
8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp ATTINY44A-SSU Microchip Technology 1: £0.713 1,242In Stock 3,819Expected 30/11/2026 NRND	Mfr. Part No. ATTINY44A-SSU Mouser Part No 556-ATTINY44A-SSU NRND	Microchip Technology	8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,242In Stock 3,819Expected 30/11/2026	£0.713 £0.653 £0.593	Min.: 1 Mult.: 1	AVR	4 kB	256 B	SOIC-14	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny44	Tube
8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins ATTINY45-20PU Microchip Technology 1: £1.15 776In Stock 2,700Expected 28/12/2026 NRND	Mfr. Part No. ATTINY45-20PU Mouser Part No 556-ATTINY45-20PU NRND	Microchip Technology	8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	776In Stock 2,700Expected 28/12/2026	£1.15 £1.05 £0.952	Min.: 1 Mult.: 1	AVR	4 kB	256 B	PDIP-8	20 MHz	10 bit	6 I/O	2.7 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATtiny45	Tube
8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND 5V ATTINY45-20SUR Microchip Technology 1: £1.07 102In Stock 4,000Expected 21/12/2026 NRND	Mfr. Part No. ATTINY45-20SUR Mouser Part No 556-ATTINY45-20SUR NRND	Microchip Technology	8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND 5V Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	102In Stock 4,000Expected 21/12/2026	Cut Tape £1.07 £1.05 Reel £0.89 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	AVR	4 kB	256 B	SOIC-8	20 MHz	10 bit	6 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny45	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM USI ADC 5V ATTINY45-20XU Microchip Technology 1: £1.12 155In Stock 600Expected 17/11/2026 NRND	Mfr. Part No. ATTINY45-20XU Mouser Part No 556-ATTINY45-20XU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM USI ADC 5V Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	155In Stock 600Expected 17/11/2026	£1.12 £1.03 £0.934	Min.: 1 Mult.: 1	AVR	4 kB	256 B	TSSOP-8	20 MHz	10 bit	6 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny45	Tube
8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins ATTINY45V-10SU Microchip Technology 1: £1.45 570In Stock NRND	Mfr. Part No. ATTINY45V-10SU Mouser Part No 556-ATTINY45V10SU NRND	Microchip Technology	8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	570In Stock	£1.45 £1.34 £1.21	Min.: 1 Mult.: 1	AVR	4 kB	256 B	SOIC-8	10 MHz	10 bit	6 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny45	Tube