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ATtiny45 Series 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) 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 4kB Flash 0.256kB EEPROM 6 I/O Pins ATTINY45V-10PU Microchip Technology 1: $2.328 2.944In Stock NRND	Mfr. Part # ATTINY45V-10PU Mouser Part # 556-ATTINY45V10PU 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	2.944In Stock	$2.328 $2.141 $1.943	Min.: 1 Mult.: 1	AVR	4 kB	256 B	PDIP-8	10 MHz	10 bit	6 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATtiny45	Tube
8-bit Microcontrollers - MCU 4KFL 256B EESRAM ADC 8 PINS-10MHz 1.8V ATTINY45V-10XUR Microchip Technology 1: $2.185 6.781In Stock NRND	Mfr. Part # ATTINY45V-10XUR Mouser Part # 556-ATTINY45V-10XUR NRND	Microchip Technology	8-bit Microcontrollers - MCU 4KFL 256B EESRAM ADC 8 PINS-10MHz 1.8V Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	6.781In Stock	Cut Tape $2.185 $2.141 Reel $1.812 MouseReel Available	Min.: 1 Mult.: 1 : 5.000	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	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM 5V 20 MHZ ATTINY45-20MU Microchip Technology 1: $1.208 980In Stock NRND	Mfr. Part # ATTINY45-20MU Mouser Part # 556-ATTINY45-20MU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM 5V 20 MHZ Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	980In Stock	$1.208 $1.131 $1.000	Min.: 1 Mult.: 1	AVR	4 kB	256 B	MLF-20	20 MHz	10 bit	6 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny45	Tray
8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins ATTINY45-20PU Microchip Technology 1: $1.691 2.196In Stock 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	2.196In Stock	$1.691 $1.537 $1.394	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 Flash 0.256kB EEPROM 6 I/O Pins ATTINY45-20SU Microchip Technology 1: $1.504 3.462In Stock NRND	Mfr. Part # ATTINY45-20SU Mouser Part # 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	3.462In Stock	$1.504 $1.383 $1.241	Min.: 1 Mult.: 1	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	Tube
8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND 5V ATTINY45-20XUR Microchip Technology 1: $1.691 3.724In Stock NRND	Mfr. Part # ATTINY45-20XUR Mouser Part # 556-ATTINY45-20XUR 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	3.724In Stock	Cut Tape $1.691 $1.636 Reel $1.394 MouseReel Available	Min.: 1 Mult.: 1 : 5.000	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	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND 5V ATTINY45-20SUR Microchip Technology 1: $1.559 157In Stock 2.000Expected 10/22/2026 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	157In Stock 2.000Expected 10/22/2026	Cut Tape $1.559 $1.537 Reel $1.296 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: $1.636 305In Stock 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	305In Stock	$1.636 $1.504 $1.361	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: $2.119 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	$2.119 $1.954 $1.768	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: $2.119 64On Order 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	64On Order	$2.119 $1.954 $1.768	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
8-bit Microcontrollers - MCU 4KB Flash 15MHz Auto 150-degrees C ATTINY45-15MT2 Microchip Technology 1: $2.921 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # ATTINY45-15MT2 Mouser Part # 556-ATTINY45-15MT2	Microchip Technology	8-bit Microcontrollers - MCU 4KB Flash 15MHz Auto 150-degrees C This product may require additional documentation to export from the United States.	Datasheet	Non-Stocked Lead-Time 10 Weeks	Cut Tape $2.921 $2.756 $2.536 $2.514 $2.503 Reel $2.492 MouseReel Available	Min.: 1 Mult.: 1 : 6.000	AVR	4 kB	256 B	MLF-20	16 MHz	No ADC		2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny45	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND 5V ATTINY45-20MUR Microchip Technology 6.000: $1.296 Non-Stocked Lead-Time 10 Weeks NRND	Mfr. Part # ATTINY45-20MUR Mouser Part # 556-ATTINY45-20MUR 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	Non-Stocked Lead-Time 10 Weeks	Reel $1.296	Min.: 6.000 Mult.: 6.000 : 6.000	AVR			MLF-20	20 MHz			2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny45	Reel
8-bit Microcontrollers - MCU 4KFL 256B EESRAM ADC 8 PINS-10MHz 1.8V ATTINY45V-10MUR Microchip Technology 6.000: $2.207 Non-Stocked Lead-Time 10 Weeks NRND	Mfr. Part # ATTINY45V-10MUR Mouser Part # 556-ATTINY45V-10MUR NRND	Microchip Technology	8-bit Microcontrollers - MCU 4KFL 256B EESRAM ADC 8 PINS-10MHz 1.8V Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $2.207	Min.: 6.000 Mult.: 6.000 : 6.000	AVR	4 kB	256 B	MLF-20	10 MHz		6 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny45	Reel
8-bit Microcontrollers - MCU 4KFL 256B EESRAM ADC 8 PINS-10MHz 1.8V ATTINY45V-10SUR Microchip Technology 1: $2.185 Non-Stocked Lead-Time 7 Weeks NRND	Mfr. Part # ATTINY45V-10SUR Mouser Part # 556-ATTINY45V-10SUR NRND	Microchip Technology	8-bit Microcontrollers - MCU 4KFL 256B EESRAM ADC 8 PINS-10MHz 1.8V Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	Non-Stocked Lead-Time 7 Weeks	Cut Tape $2.185 $2.141 Reel $1.812 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	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	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM USI ADC ATTINY45V-10MU Microchip Technology 1: $2.207 Non-Stocked Lead-Time 8 Weeks NRND	Mfr. Part # ATTINY45V-10MU Mouser Part # 556-ATTINY45V10MU 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	$2.207 $2.020 $1.823	Min.: 1 Mult.: 1	AVR	4 kB	256 B	MLF-20	10 MHz	10 bit	6 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny45	Tray

ATtiny45 Series 8-bit Microcontrollers - MCU

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