8-bit Microcontrollers - MCU

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picoPower® Microcontrollers

Microchip picoPower® 8- and 32-bit low, high-performance Microcontrollers (MCUs) meet the tough requirements for portable and battery-operated applications. Microchip picoPower technology is found in the tinyAVR®, megaAVR®, AVR®, XMEGA™, and AVR UC3 MCUs. Microchip picoPower technology enables AVR MCUs to operate at the industry's lowest power consumption with 650 nA with an RTC running and 100 nA in Power Down sleep.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 64K Flash 2K EEPROM 4K SRAM 32 IO Pins ATMEGA644PA-PU Microchip Technology 1: $6.86 645In Stock	Mfr. Part No. ATMEGA644PA-PU Mouser Part No 556-ATMEGA644PA-PU	Microchip Technology	8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	645In Stock	$6.86 $6.27 $5.69	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	PDIP-40	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATmega644	Tube
8-bit Microcontrollers - MCU 1.8V - 5.5V 20MHz 8KB Programmable ATMEGA88PA-AU Microchip Technology 1: $1.80 2,292In Stock 4,250Expected 06/10/2026	Mfr. Part No. ATMEGA88PA-AU Mouser Part No 556-ATMEGA88PA-AU	Microchip Technology	8-bit Microcontrollers - MCU 1.8V - 5.5V 20MHz 8KB Programmable Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	2,292In Stock 4,250Expected 06/10/2026	$1.80 $1.65 $1.50	Min.: 1 Mult.: 1	AVR	8 kB	1 kB	TQFP-32	20 MHz	10 bit	23 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega88PA	Tray
8-bit Microcontrollers - MCU 1KB In-system Flash 20MHz 1.8V-5.5V ATTINY13A-PU Microchip Technology 1: $1.13 3,649In Stock 3,450Expected 26/10/2026	Mfr. Part No. ATTINY13A-PU Mouser Part No 556-ATTINY13A-PU	Microchip Technology	8-bit Microcontrollers - MCU 1KB In-system Flash 20MHz 1.8V-5.5V	Datasheet	3,649In Stock 3,450Expected 26/10/2026	$1.13 $1.05 $0.94	Min.: 1 Mult.: 1	AVR	1 kB	64 B	PDIP-8	20 MHz	10 bit	6 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 125 C	ATtiny13A	Tube
8-bit Microcontrollers - MCU 1KB In-system Flash 20MHz 1.8V-5.5V ATTINY13A-SSU Microchip Technology 1: $0.75 3,510In Stock	Mfr. Part No. ATTINY13A-SSU Mouser Part No 556-ATTINY13A-SSU	Microchip Technology	8-bit Microcontrollers - MCU 1KB In-system Flash 20MHz 1.8V-5.5V	Datasheet	3,510In Stock	$0.75 $0.70 $0.616	Min.: 1 Mult.: 1	AVR	1 kB	64 B	SOIC-8	20 MHz	10 bit	6 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	ATtiny13A	Tube
8-bit Microcontrollers - MCU 20MHz, Ind Temp 1.8-5.5V, Green ATTINY24A-MU Microchip Technology 1: $0.89 3,562In Stock	Mfr. Part No. ATTINY24A-MU Mouser Part No 556-ATTINY24A-MU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, Ind Temp 1.8-5.5V, Green Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	3,562In Stock	$0.89 $0.80 $0.73	Min.: 1 Mult.: 1	AVR	2 kB	128 B	QFN-20	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny24	Tray
8-bit Microcontrollers - MCU 20MHz, 1.8-5.5V Industrial Temp ATTINY24A-PU Microchip Technology 1: $1.50 1,261In Stock	Mfr. Part No. ATTINY24A-PU Mouser Part No 556-ATTINY24A-PU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 1.8-5.5V Industrial Temp Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,261In Stock	$1.50 $1.38 $1.24	Min.: 1 Mult.: 1	AVR	2 kB	128 B	PDIP-14	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATtiny24	Tube
8-bit Microcontrollers - MCU 20MHz, Ind Temp 1.8-5.5V, Green ATTINY24A-SSU Microchip Technology 1: $0.90 5,297In Stock	Mfr. Part No. ATTINY24A-SSU Mouser Part No 556-ATTINY24A-SSU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, Ind Temp 1.8-5.5V, Green Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	5,297In Stock	$0.90 $0.82 $0.74	Min.: 1 Mult.: 1	AVR	2 kB	128 B	SOIC-14	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny24	Tube
8-bit Microcontrollers - MCU 4K Flash 125B EEPROM 128B SRAM 16 IO Pins ATTINY461A-MU Microchip Technology 1: $1.16 1,354In Stock	Mfr. Part No. ATTINY461A-MU Mouser Part No 556-ATTINY461A-MU	Microchip Technology	8-bit Microcontrollers - MCU 4K Flash 125B EEPROM 128B SRAM 16 IO Pins	Datasheet	1,354In Stock	$1.16 $1.07 $0.96	Min.: 1 Mult.: 1	AVR	4 kB	256 B	QFN-32	20 MHz	10 bit	16 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtinyx61A	Tray
8-bit Microcontrollers - MCU 4KB In-system Flash 12MHz 1.8V-5.5V ATTINY48-MMU Microchip Technology 1: $1.18 2,802In Stock	Mfr. Part No. ATTINY48-MMU Mouser Part No 556-ATTINY48-MMU	Microchip Technology	8-bit Microcontrollers - MCU 4KB In-system Flash 12MHz 1.8V-5.5V	Datasheet	2,802In Stock	$1.18 $1.08 $0.97	Min.: 1 Mult.: 1	AVR	4 kB	256 B	MLF-28	12 MHz	10 bit	24 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny48	Tray
8-bit Microcontrollers - MCU 8K Flash;125B EEPROM 128B SRAM;16 IO Pins ATTINY861A-MU Microchip Technology 1: $1.66 1,634In Stock	Mfr. Part No. ATTINY861A-MU Mouser Part No 556-ATTINY861A-MU	Microchip Technology	8-bit Microcontrollers - MCU 8K Flash;125B EEPROM 128B SRAM;16 IO Pins	Datasheet	1,634In Stock	$1.66 $1.54 $1.39	Min.: 1 Mult.: 1	AVR	8 kB	512 B	QFN-32	20 MHz	10 bit	16 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtinyx61A	Tray
8-bit Microcontrollers - MCU 8KB In-system Flash 12MHz 1.8V-5.5V ATTINY88-AU Microchip Technology 1: $1.31 2,069In Stock	Mfr. Part No. ATTINY88-AU Mouser Part No 556-ATTINY88-AU	Microchip Technology	8-bit Microcontrollers - MCU 8KB In-system Flash 12MHz 1.8V-5.5V Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	2,069In Stock	$1.31 $1.21 $1.08	Min.: 1 Mult.: 1	AVR	8 kB	512 B	TQFP-32	16 MHz	10 bit	28 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	ATtiny88	Tray
8-bit Microcontrollers - MCU AVR 16KB 512B EE 20MHz 1KB SRAM 125c ATMEGA164PA-MU Microchip Technology 1: $4.46 393In Stock NRND	Mfr. Part No. ATMEGA164PA-MU Mouser Part No 556-ATMEGA164PA-MU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 16KB 512B EE 20MHz 1KB SRAM 125c Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	393In Stock	$4.46 $4.09 $3.71	Min.: 1 Mult.: 1	AVR	16 kB	1 kB	VQFN-44	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega164	Tray
8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE 20MHZ IND TEMP 1.8V ATMEGA48PA-MMH Microchip Technology 1: $1.63 549In Stock NRND	Mfr. Part No. ATMEGA48PA-MMH Mouser Part No 556-ATMEGA48PA-MMH NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE 20MHZ IND TEMP 1.8V Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	549In Stock	$1.63 $1.50 $1.34	Min.: 1 Mult.: 1	AVR	4 kB	512 B	QFN-28	20 MHz	10 bit	23 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega48PA	Tray
8-bit Microcontrollers - MCU 1.8V - 5.5V 20MHz 8KB Programmable ATMEGA88PA-MMH Microchip Technology 1: $2.15 505In Stock NRND	Mfr. Part No. ATMEGA88PA-MMH Mouser Part No 556-ATMEGA88PA-MMH NRND	Microchip Technology	8-bit Microcontrollers - MCU 1.8V - 5.5V 20MHz 8KB Programmable Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	505In Stock	$2.15 $1.97 $1.79	Min.: 1 Mult.: 1	AVR	8 kB	1 kB	QFN-28	20 MHz	10 bit	23 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega88PA	Tray
8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp ATTINY44A-MU Microchip Technology 1: $0.94 554In 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	554In Stock	$0.94 $0.86 $0.78	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	+ 85 C	ATtiny44	Tray
8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp ATTINY44A-SSU Microchip Technology 1: $0.95 2,560In Stock 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	2,560In Stock	$0.95 $0.87 $0.79	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 4K Flash 125B EEPROM 128B SRAM 16 IO Pins ATTINY461A-SU Microchip Technology 1: $1.43 2,769In Stock NRND	Mfr. Part No. ATTINY461A-SU Mouser Part No 556-ATTINY461A-SU NRND	Microchip Technology	8-bit Microcontrollers - MCU 4K Flash 125B EEPROM 128B SRAM 16 IO Pins Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	2,769In Stock	$1.43 $1.32 $1.21	Min.: 1 Mult.: 1	AVR	4 kB	256 B	SOIC-20	20 MHz	10 bit	16 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtinyx61A	Tube
8-bit Microcontrollers - MCU 8K Flash;512B EEPROM 512B SRAM;16 IO Pins ATTINY861A-PU Microchip Technology 1: $2.02 1,143In Stock NRND	Mfr. Part No. ATTINY861A-PU Mouser Part No 556-ATTINY861A-PU NRND	Microchip Technology	8-bit Microcontrollers - MCU 8K Flash;512B EEPROM 512B SRAM;16 IO Pins Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,143In Stock	$2.02 $1.85 $1.67	Min.: 1 Mult.: 1	AVR	8 kB	512 B	PDIP-20	20 MHz	10 bit	16 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATtinyx61A	Tube
8-bit Microcontrollers - MCU 8K Flash;512B EEPROM 512B SRAM;16 IO Pins ATTINY861A-SU Microchip Technology 1: $1.59 1,003In Stock NRND	Mfr. Part No. ATTINY861A-SU Mouser Part No 556-ATTINY861A-SU NRND	Microchip Technology	8-bit Microcontrollers - MCU 8K Flash;512B EEPROM 512B SRAM;16 IO Pins Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,003In Stock	$1.59 $1.46 $1.33	Min.: 1 Mult.: 1	AVR	8 kB	512 B	SOIC-20	20 MHz	10 bit	16 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtinyx61A	Tube
8-bit Microcontrollers - MCU 16K Flsh 500B EEPROM 1K SRAM 23 IO Pins ATMEGA168PA-PU Microchip Technology 1: $2.95 197In Stock NRND	Mfr. Part No. ATMEGA168PA-PU Mouser Part No 556-ATMEGA168PA-PU NRND	Microchip Technology	8-bit Microcontrollers - MCU 16K Flsh 500B EEPROM 1K SRAM 23 IO Pins Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	197In Stock	$2.95 $2.72 $2.47	Min.: 1 Mult.: 1	AVR	16 kB	1 kB	PDIP-28	20 MHz	10 bit	23 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATmega168PA	Tube
8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART ATTINY2313A-SU Microchip Technology 1: $1.43 2,686In Stock NRND	Mfr. Part No. ATTINY2313A-SU Mouser Part No 556-ATTINY2313A-SU NRND	Microchip Technology	8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART	Datasheet	2,686In Stock	$1.43 $1.32 $1.21	Min.: 1 Mult.: 1	AVR	2 kB	128 B	SOIC-20	20 MHz	No ADC	18 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny2313	Tube
8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V ATMEGA1284P-PU Microchip Technology 1: $7.43 10In Stock 2,000On Order	Mfr. Part No. ATMEGA1284P-PU Mouser Part No 556-ATMEGA1284P-PU	Microchip Technology	8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	10In Stock 2,000On Order On Order Ship Dates Mfr. No: ATMEGA1284P-PU Stock: 10 Can Dispatch Immediately On Order: 800 Expected 04/01/2027 1,200 Expected 18/01/2027 Factory Lead Time: 7 Weeks	$7.43 $6.81 $6.16	Min.: 1 Mult.: 1	AVR	128 kB	16 kB	PDIP-40	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATmega1284	Tube
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins ATMEGA644PA-MU Microchip Technology 1: $6.44 71In Stock 720Expected 29/09/2026	Mfr. Part No. ATMEGA644PA-MU Mouser Part No 556-ATMEGA644PA-MU	Microchip Technology	8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	71In Stock 720Expected 29/09/2026	$6.44 $5.91 $5.36	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	QFN-44	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Tray
8-bit Microcontrollers - MCU 1KB In-system Flash 20MHz 1.8V-5.5V ATTINY13A-MMU Microchip Technology 1: $1.01 697In Stock	Mfr. Part No. ATTINY13A-MMU Mouser Part No 556-ATTINY13A-MMU	Microchip Technology	8-bit Microcontrollers - MCU 1KB In-system Flash 20MHz 1.8V-5.5V	Datasheet	697In Stock	$1.01 $0.91 $0.82	Min.: 1 Mult.: 1	AVR	1 kB	64 B	MLF-10	20 MHz	10 bit	6 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	ATtiny13A	Tray
8-bit Microcontrollers - MCU 1KB In-system Flash 20MHz 1.8V-5.5V ATTINY13A-SU Microchip Technology 1: $1.01 1,297In Stock	Mfr. Part No. ATTINY13A-SU Mouser Part No 556-ATTINY13A-SU	Microchip Technology	8-bit Microcontrollers - MCU 1KB In-system Flash 20MHz 1.8V-5.5V	Datasheet	1,297In Stock	$1.01 $0.91 $0.82	Min.: 1 Mult.: 1	AVR	1 kB	64 B	SOIC-8	20 MHz	10 bit	6 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	ATtiny13A	Tube