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AVR Core Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Core	Program Memory Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Data RAM Size	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-8MHz ATMEGA8L-8AUR Microchip Technology 1: HK$28.44 2,376In Stock NRND	Mfr. Part No. ATMEGA8L-8AUR Mouser Part No 556-ATMEGA8L-8AUR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-8MHz Learn More about Microchip Technology microchip atmega8 mcu	Datasheet	2,376In Stock	Cut Tape HK$28.44 Reel HK$23.84 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TQFP-32	AVR	8 kB	8 bit	10 bit	8 MHz	23 I/O	1 kB	2.7 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8kB Flash 0.5kB EEPROM 23 I/O Pins ATMEGA8L-8PU Microchip Technology 1: HK$27.45 977In Stock NRND	Mfr. Part No. ATMEGA8L-8PU Mouser Part No 556-ATMEGA8L-8PU NRND	Microchip Technology	8-bit Microcontrollers - MCU 8kB Flash 0.5kB EEPROM 23 I/O Pins Learn More about Microchip Technology microchip atmega8 mcu	Datasheet	977In Stock	HK$27.45 HK$25.15 HK$24.82	Min.: 1 Mult.: 1	Through Hole	PDIP-28	AVR	8 kB	8 bit	10 bit	8 MHz	23 I/O	1 kB	2.7 V	5.5 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 16KB 256B 1KB 12MHz 4x4 QFN +105C GRN ATTINY1634-MN Microchip Technology 1: HK$13.56 453In Stock NRND	Mfr. Part No. ATTINY1634-MN Mouser Part No 556-ATTINY1634-MN NRND	Microchip Technology	8-bit Microcontrollers - MCU 16KB 256B 1KB 12MHz 4x4 QFN +105C GRN	Datasheet	453In Stock	HK$13.56 HK$12.41 HK$11.34	Min.: 1 Mult.: 1	SMD/SMT	WQFN-20	AVR	16 kB	8 bit	10 bit	12 MHz	18 I/O	1 kB	1.8 V	5.5 V	- 40 C	+ 105 C	Tray
8-bit Microcontrollers - MCU 20MHz, Ind.Grade Grn,AVR,16KFl, USART ATTINY1634-MUR Microchip Technology 1: HK$11.01 5,757In Stock NRND	Mfr. Part No. ATTINY1634-MUR Mouser Part No 556-ATTINY1634-MUR NRND	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, Ind.Grade Grn,AVR,16KFl, USART	Datasheet	5,757In Stock	Cut Tape HK$11.01 HK$10.85 Reel HK$10.85 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	SMD/SMT	QFN-20	AVR	16 kB	8 bit	10 bit	12 MHz	18 I/O	1 kB	1.8 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 512B RAM 16MHz Ind-G ATTINY167-XUR Microchip Technology 1: HK$19.56 2,813In Stock NRND	Mfr. Part No. ATTINY167-XUR Mouser Part No 556-ATTINY167-XUR 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	2,813In Stock	Cut Tape HK$19.56 HK$19.15 Reel HK$16.19 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SMD/SMT	TSSOP-20	AVR	16 kB	8 bit	10 bit	16 MHz	16 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins ATTINY2313-20SU Microchip Technology 1: HK$18.33 2,842In Stock NRND	Mfr. Part No. ATTINY2313-20SU Mouser Part No 556-ATTINY2313-20SU NRND	Microchip Technology	8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins	Datasheet	2,842In Stock	HK$18.33 HK$16.77 HK$15.21	Min.: 1 Mult.: 1	SMD/SMT	SOIC-20	AVR	2 kB	8 bit	No ADC	20 MHz	18 I/O	128 B	2.7 V	5.5 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU AVR 2K FLSH 128B EE 128B SRAM 1UART20MHz ATTINY2313A-MUR Microchip Technology 1: HK$8.30 11,933In Stock NRND	Mfr. Part No. ATTINY2313A-MUR Mouser Part No 556-ATTINY2313A-MUR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 2K FLSH 128B EE 128B SRAM 1UART20MHz	Datasheet	11,933In Stock	Cut Tape HK$8.30 HK$7.92 Reel HK$7.92	Min.: 1 Mult.: 1 : 6,000	SMD/SMT	WQFN-20	AVR	2 kB	8 bit	No ADC	20 MHz	18 I/O	128 B	1.8 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins ATTINY2313V-10MU Microchip Technology 1: HK$18.99 155In Stock NRND	Mfr. Part No. ATTINY2313V-10MU Mouser Part No 556-ATTINY2313V10MU NRND	Microchip Technology	8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins	Datasheet	155In Stock	HK$18.99 HK$17.43 HK$15.78	Min.: 1 Mult.: 1	SMD/SMT	MLF-20	AVR	2 kB	8 bit	No ADC	10 MHz	18 I/O	128 B	1.8 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins ATTINY2313V-10PU Microchip Technology 1: HK$18.08 829In Stock NRND	Mfr. Part No. ATTINY2313V-10PU Mouser Part No 556-ATTINY2313V10PU NRND	Microchip Technology	8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins	Datasheet	829In Stock	HK$18.08 HK$16.60 HK$15.04	Min.: 1 Mult.: 1	Through Hole	PDIP-20	AVR	2 kB	8 bit	No ADC	10 MHz	18 I/O	128 B	1.8 V	5.5 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins ATTINY2313V-10SU Microchip Technology 1: HK$18.33 1,575In Stock NRND	Mfr. Part No. ATTINY2313V-10SU Mouser Part No 556-ATTINY2313V10SU NRND	Microchip Technology	8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins	Datasheet	1,575In Stock	HK$18.33 HK$16.77 HK$15.21	Min.: 1 Mult.: 1	SMD/SMT	SOIC-20	AVR	2 kB	8 bit	No ADC	10 MHz	18 I/O	128 B	1.8 V	5.5 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 4KB FL 256B SRAM 256B EE 20MHz Ind ATTINY4313-MMHR Microchip Technology 1: HK$9.04 2,102In Stock NRND	Mfr. Part No. ATTINY4313-MMHR Mouser Part No 556-ATTINY4313-MMHR NRND	Microchip Technology	8-bit Microcontrollers - MCU 4KB FL 256B SRAM 256B EE 20MHz Ind	Datasheet	2,102In Stock	Cut Tape HK$9.04 HK$8.96 Reel HK$8.96 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	SMD/SMT	VQFN-20	AVR	4 kB	8 bit	No ADC	20 MHz	18 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 4KB FL 256B SRAM 256B 20MHz 1.8-5.5V ATTINY4313-MU Microchip Technology 1: HK$10.60 797In Stock NRND	Mfr. Part No. ATTINY4313-MU Mouser Part No 556-ATTINY4313-MU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 4KB FL 256B SRAM 256B 20MHz 1.8-5.5V	Datasheet	797In Stock	HK$10.60 HK$9.86 HK$8.80	Min.: 1 Mult.: 1	SMD/SMT	MLF-20	AVR	4 kB	8 bit	No ADC	20 MHz	18 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM USI ADC 5V ATTINY44-20MU Microchip Technology 1: HK$18.66 623In Stock NRND	Mfr. Part No. ATTINY44-20MU Mouser Part No 556-ATTINY44-20MU 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	623In Stock	HK$18.66 HK$17.18 HK$15.37	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	AVR	4 kB	8 bit	10 bit	20 MHz	12 I/O	256 B	2.7 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 12 I/O Pins ATTINY44-20SSU Microchip Technology 1: HK$18.00 332In Stock NRND	Mfr. Part No. ATTINY44-20SSU Mouser Part No 556-ATTINY44-20SSU NRND	Microchip Technology	8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 12 I/O Pins Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	332In Stock	HK$18.00 HK$16.52 HK$15.04	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Narrow-14	AVR	4 kB	8 bit	10 bit	20 MHz	12 I/O	256 B	2.7 V	5.5 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 16MHz 3x3mm 20 VQFN ATTINY441-MMH Microchip Technology 1: HK$9.70 786In Stock NRND	Mfr. Part No. ATTINY441-MMH Mouser Part No 556-ATTINY441-MMH NRND	Microchip Technology	8-bit Microcontrollers - MCU 16MHz 3x3mm 20 VQFN Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	786In Stock	HK$9.70 HK$8.88 HK$7.97	Min.: 1 Mult.: 1	SMD/SMT	VQFN-20	AVR	4 kB	8 bit	10 bit	16 MHz	12 I/O	256 B	1.7 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp ATTINY44A-MMH Microchip Technology 1: HK$7.81 1,979In Stock NRND	Mfr. Part No. ATTINY44A-MMH Mouser Part No 556-ATTINY44A-MMH NRND	Microchip Technology	8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,979In Stock	HK$7.81 HK$7.15 HK$6.49	Min.: 1 Mult.: 1	SMD/SMT	VQFN-20	AVR	4 kB	8 bit	10 bit	20 MHz	12 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp ATTINY44A-MU Microchip Technology 1: HK$7.73 464In Stock NRND	Mfr. Part No. ATTINY44A-MU Mouser Part No 556-ATTINY44A-MU NRND	Microchip Technology	8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	464In Stock	HK$7.73 HK$7.07 HK$6.41	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	AVR	4 kB	8 bit	10 bit	20 MHz	12 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 4KB FL 256B EE 256B SRAM 20MHz Hi +125C ATTINY44A-SSFR Microchip Technology 1: HK$8.47 3,000In Stock NRND	Mfr. Part No. ATTINY44A-SSFR Mouser Part No 556-ATTINY44A-SSFR NRND	Microchip Technology	8-bit Microcontrollers - MCU 4KB FL 256B EE 256B SRAM 20MHz Hi +125C Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	3,000In Stock	Cut Tape HK$8.47 HK$8.18 Reel HK$6.99 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOIC-14	AVR	4 kB	8 bit		20 MHz		256 B	1.8 V	5.5 V	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 256B SRAM 20MHz 105C ATTINY44A-SSNR Microchip Technology 1: HK$8.47 4,597In Stock NRND	Mfr. Part No. ATTINY44A-SSNR Mouser Part No 556-ATTINY44A-SSNR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 256B SRAM 20MHz 105C Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	4,597In Stock	Cut Tape HK$8.47 HK$8.18 Reel HK$6.99 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOIC-14	AVR	4 kB	8 bit	10 bit	20 MHz	12 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp ATTINY44A-SSU Microchip Technology 1: HK$7.81 1,242In Stock 3,819Expected 28/12/2026 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 28/12/2026	HK$7.81 HK$7.15 HK$6.49	Min.: 1 Mult.: 1	SMD/SMT	SOIC-14	AVR	4 kB	8 bit	10 bit	20 MHz	12 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND ATTINY44A-SSUR Microchip Technology 1: HK$8.47 8,865In Stock NRND	Mfr. Part No. ATTINY44A-SSUR Mouser Part No 556-ATTINY44A-SSUR NRND	Microchip Technology	8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	8,865In Stock	Cut Tape HK$8.47 HK$8.18 Reel HK$6.99 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOIC-Narrow-14	AVR	4 kB	8 bit	10 bit	20 MHz	12 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins ATTINY45-20SU Microchip Technology 1: HK$11.26 1,900In Stock NRND	Mfr. Part No. ATTINY45-20SU Mouser Part No 556-ATTINY45-20SU 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	1,900In Stock	HK$11.26 HK$10.36 HK$9.29	Min.: 1 Mult.: 1	SMD/SMT	SOIC-8	AVR	4 kB	8 bit	10 bit	20 MHz	6 I/O	256 B	2.7 V	5.5 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU AVR 4K FLSH 256B EE 256B SRAM ADC-20MHz ATTINY461A-SUR Microchip Technology 1: HK$12.25 1,968In Stock NRND	Mfr. Part No. ATTINY461A-SUR Mouser Part No 556-ATTINY461A-SUR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 4K FLSH 256B EE 256B SRAM ADC-20MHz Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,968In Stock	Cut Tape HK$12.25 HK$11.84 Reel HK$10.19	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-20	AVR	4 kB	8 bit	10 bit	20 MHz	16 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU AVR 8K FLSH 512B SRAM 512B EE-5V ATTINY84-20MU Microchip Technology 1: HK$21.37 1,026In Stock NRND	Mfr. Part No. ATTINY84-20MU Mouser Part No 556-ATTINY84-20MU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 8K FLSH 512B SRAM 512B EE-5V Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,026In Stock	HK$21.37 HK$19.65 HK$17.76	Min.: 1 Mult.: 1	SMD/SMT	MLF-20	AVR	8 kB	8 bit	10 bit	20 MHz	12 I/O	512 B	2.7 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 512B SRAM-20MHz 5V ATTINY84-20MUR Microchip Technology 1: HK$21.87 1,158In Stock NRND	Mfr. Part No. ATTINY84-20MUR Mouser Part No 556-ATTINY84-20MUR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 512B SRAM-20MHz 5V Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,158In Stock	Cut Tape HK$21.87 HK$21.21 Reel HK$21.21 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	SMD/SMT	WQFN-20	AVR	8 kB	8 bit	10 bit	20 MHz	12 I/O	512 B	2.7 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel