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AVR 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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-SU Microchip Technology 1: ¥330.5 253In Stock NRND	Mfr. Part # ATTINY1634-SU Mouser Part # 556-ATTINY1634-SU NRND	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, Ind.Grade Grn,AVR,16KFl, USART	Datasheet	253In Stock	¥330.5 ¥304 ¥274.1	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-SU Microchip Technology 1: ¥330.5 34In Stock NRND	Mfr. Part # ATTINY1634R-SU Mouser Part # 556-ATTINY1634R-SU NRND	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 16KFLASH,EE SRAM	Datasheet	34In Stock	¥330.5 ¥304 ¥274.1	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: ¥335.5 560In Stock NRND	Mfr. Part # ATTINY1634R-SUR Mouser Part # 556-ATTINY1634R-SUR NRND	Microchip Technology	8-bit Microcontrollers - MCU 20MHz,16KFLASH,EE SRAM	Datasheet	560In Stock	Cut Tape ¥335.5 ¥325.6 Reel ¥277.4	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: ¥327.2 601In Stock NRND	Mfr. Part # ATTINY167-SU Mouser Part # 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	¥327.2 ¥299 ¥272.4	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: ¥350.5 172In Stock NRND	Mfr. Part # ATTINY167-SUR Mouser Part # 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 ¥350.5 ¥338.8 Reel ¥290.7 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: ¥119.6 75In Stock 1,140Expected 1/15/2027 NRND	Mfr. Part # ATTINY20-SSU Mouser Part # 556-ATTINY20-SSU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 2KB FL 128B SRAM ADC 2T-12MHz, IND	Datasheet	75In Stock 1,140Expected 1/15/2027	¥119.6 ¥108 ¥98	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: ¥220.9 134In Stock NRND	Mfr. Part # ATTINY20-XUR Mouser Part # 556-ATTINY20-XUR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 2KB FL 128B SRAM ADC 2T-12MHz, IND	Datasheet	134In Stock	Cut Tape ¥220.9 ¥217.6 Reel ¥182.7 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: ¥383.7 190In Stock NRND	Mfr. Part # ATTINY2313-20MU Mouser Part # 556-ATTINY2313-20MU NRND	Microchip Technology	8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins	Datasheet	190In Stock	¥383.7 ¥352.1 ¥318.9	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: ¥365.4 510In Stock NRND	Mfr. Part # ATTINY2313-20PU Mouser Part # 556-ATTINY2313-20PU NRND	Microchip Technology	8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins	Datasheet	510In Stock	¥365.4 ¥335.5 ¥304	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: ¥383.7 226In Stock 1,000Expected 1/4/2027 NRND	Mfr. Part # ATTINY2313-20SUR Mouser Part # 556-ATTINY2313-20SUR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 2KB FLSH 128B EE 128B SRAM 1UART 20P	Datasheet	226In Stock 1,000Expected 1/4/2027	Cut Tape ¥383.7 ¥377 Reel ¥318.9 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: ¥147.8 492In Stock NRND	Mfr. Part # ATTINY2313A-MU Mouser Part # 556-ATTINY2313A-MU NRND	Microchip Technology	8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART	Datasheet	492In Stock	¥147.8 ¥132.9 ¥121.3	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: ¥304 152In Stock 3,348Expected 2/18/2027 NRND	Mfr. Part # ATTINY2313A-PU Mouser Part # 556-ATTINY2313A-PU NRND	Microchip Technology	8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART	Datasheet	152In Stock 3,348Expected 2/18/2027	¥304 ¥277.4 ¥250.8	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: ¥383.7 660In Stock NRND	Mfr. Part # ATTINY2313V-10SUR Mouser Part # 556-ATTINY2313V10SUR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 2KFL 128B EE1.8V 128B 1UART 20P-10MH	Datasheet	660In Stock	Cut Tape ¥383.7 ¥377 Reel ¥318.9 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: ¥111.3 805In Stock NRND	Mfr. Part # ATTINY4-MAHR Mouser Part # 556-ATTINY4-MAHR NRND	Microchip Technology	8-bit Microcontrollers - MCU 512B FLSH 32B SRAM TIMER 12MHz NiPdAu	Datasheet	805In Stock	Cut Tape ¥111.3 ¥109.3 Reel ¥93 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: ¥73.1 1,559In Stock NRND	Mfr. Part # ATTINY4-TS8R Mouser Part # 556-ATTINY4-TS8R NRND	Microchip Technology	8-bit Microcontrollers - MCU 512B FLASH 32B SRAM TIMER	Datasheet	1,559In Stock	Cut Tape ¥73.1 ¥71.3 Reel ¥59.6	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: ¥299 356In Stock NRND	Mfr. Part # ATTINY4313-PU Mouser Part # 556-ATTINY4313-PU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 4KB FL 256B SRAM 256B 20MHz 1.8-5.5V	Datasheet	356In Stock	¥299 ¥275.7 ¥249.2	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: ¥196 271In Stock NRND	Mfr. Part # ATTINY441-SSU Mouser Part # 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	¥196 ¥179.4 ¥161.1	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: ¥210.9 345In Stock NRND	Mfr. Part # ATTINY44A-MF Mouser Part # 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	¥210.9 ¥192.7 ¥176.1	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: ¥255.8 497In Stock NRND	Mfr. Part # ATTINY44A-PU Mouser Part # 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	497In Stock	¥255.8 ¥232.5 ¥210.9	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: ¥157.8 440In Stock NRND	Mfr. Part # ATTINY44A-SSN Mouser Part # 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	¥157.8 ¥144.5 ¥131.2	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 4kB Flash 0.256kB EEPROM 6 I/O Pins ATTINY45-20PU Microchip Technology 1: ¥255.8 776In Stock 2,700Expected 12/28/2026 NRND	Mfr. Part # ATTINY45-20PU Mouser Part # 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 12/28/2026	¥255.8 ¥232.5 ¥210.9	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: ¥235.9 102In Stock 4,000Expected 12/21/2026 NRND	Mfr. Part # ATTINY45-20SUR Mouser Part # 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 12/21/2026	Cut Tape ¥235.9 ¥232.5 Reel ¥196 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: ¥247.5 155In Stock 600Expected 11/17/2026 NRND	Mfr. Part # ATTINY45-20XU Mouser Part # 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 11/17/2026	¥247.5 ¥227.6 ¥206	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: ¥320.6 570In Stock NRND	Mfr. Part # ATTINY45V-10SU Mouser Part # 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	¥320.6 ¥295.7 ¥267.4	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
8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM USI ADC ATTINY45V-10XU Microchip Technology 1: ¥320.6 Non-Stocked Lead-Time 8 Weeks NRND	Mfr. Part # ATTINY45V-10XU Mouser Part # 556-ATTINY45V10XU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM USI ADC Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	¥320.6 ¥295.7 ¥267.4	Min.: 1 Mult.: 1	AVR	4 kB	256 B	TSSOP-8	20 MHz	10 bit	6 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny45	Tube