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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Qty. RoHS ECAD Model 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
Microchip Technology 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
Datasheet
686In Stock
Min.: 1
Mult.: 1

AVR 64 kB 4 kB TQFP-44 20 MHz 10 bit 32 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega644 Tray
Microchip Technology 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
Datasheet
71In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
Datasheet
661In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 1.8V - 5.5V 20MHz 8KB Programmable
Datasheet
3,294In Stock
4,250Expected 10/28/2026
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

Microchip Technology 8-bit Microcontrollers - MCU 1KB In-system Flash 20MHz 1.8V-5.5V
Datasheet
3,971In Stock
3,450Expected 11/2/2026
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
Microchip Technology 8-bit Microcontrollers - MCU 1KB In-system Flash 20MHz 1.8V-5.5V
Datasheet
3,740In Stock
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

Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 1.8-5.5V Industrial Temp
Datasheet
1,775In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 4K Flash 125B EEPROM 128B SRAM 16 IO Pins
Datasheet
1,654In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 4KB In-system Flash 12MHz 1.8V-5.5V
Datasheet
1,282In Stock
Min.: 1
Mult.: 1

AVR 4 kB 256 B TQFP-32 12 MHz 10 bit 28 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATtiny48 Tray
Microchip Technology 8-bit Microcontrollers - MCU 4KB In-system Flash 12MHz 1.8V-5.5V
Datasheet
2,802In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 8KB In-system Flash 12MHz 1.8V-5.5V
Datasheet
2,419In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 8KB In-system Flash 12MHz 1.8V-5.5V
Datasheet
1,453In Stock
Min.: 1
Mult.: 1

AVR 8 kB 512 B QFN-28 12 MHz 10 bit 24 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATtiny88 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 16KB 512B EE 20MHz 1KB SRAM 125c
Datasheet
393In Stock
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

Microchip Technology 8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE 20MHZ IND TEMP 1.8V
Datasheet
549In Stock
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

Microchip Technology 8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART
Datasheet
2,814In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp
Datasheet
1,974In Stock
Min.: 1
Mult.: 1

AVR 4 kB 256 B VQFN-20 20 MHz 10 bit 12 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATtiny44 Tray
Microchip Technology 8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp
Datasheet
564In Stock
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

Microchip Technology 8-bit Microcontrollers - MCU 4K FLASH 256B EE 256B SRAM - 20MHz
Datasheet
661In Stock
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

Microchip Technology 8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp
Datasheet
2,860In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 4K Flash 125B EEPROM 128B SRAM 16 IO Pins
Datasheet
2,869In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 8K Flash;512B EEPROM 512B SRAM;16 IO Pins
Datasheet
1,168In Stock
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

Microchip Technology 8-bit Microcontrollers - MCU 16K Flsh 500B EEPROM 1K SRAM 23 IO Pins
Datasheet
197In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART
Datasheet
2,796In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
Datasheet
68In Stock
800Expected 1/11/2027
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
Microchip Technology 8-bit Microcontrollers - MCU 1KB In-system Flash 20MHz 1.8V-5.5V
Datasheet
775In Stock
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