ATtiny202/402 AVR Microcontrollers

Microchip Technology ATtiny202/402 AVR® 8-bit Microcontrollers feature Core Independent Peripherals and picoPower® technology. These Microchip MCUs use high-performance and low-power AVR Reduced Instruction Set Computer (RISC) architecture. The ATtiny202/402 MCUs run up to 20MHz with up to 2/4kB flash, 128/256B of SRAM, and 64/128B of EEPROM in an 8-pin package. These MCUs employ a flexible and low-power architecture that includes an Event system, SleepWalking, accurate analog features, and advanced peripherals. The ATtiny202/402 MCUs offer single-cycle I/O access, a two-level interrupt controller, and a two-cycle hardware multiplier.

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Qty. RoHS ECAD Model Core
Program Memory Size
Data RAM Size
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ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
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Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 2KB, SOIC8, Ind 105C, Green, T&R
Datasheet
5.772In Stock
Min.: 1
Mult.: 1
: 4.000

AVR 2 kB 128 B SOIC-8 20 MHz 10 bit 6 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATtiny202 Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 2KB, SOIC8, Ind 125C, Green, Tube
Datasheet
929In Stock
2.100Expected 01/05/2027
Min.: 1
Mult.: 1

AVR 2 kB 128 B SOIC-8 20 MHz 10 bit 6 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C ATtiny202 Tube
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 2KB, SOIC8, Ind 105C, Green, Tube
Datasheet
1.701In Stock
Min.: 1
Mult.: 1

AVR 2 kB 128 B SOIC-8 20 MHz 10 bit 6 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATtiny202 Tube
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 4KB, SOIC8, Ind 125C, Green, Tube
Datasheet
5In Stock
4.100Expected 10/05/2026
Min.: 1
Mult.: 1

AVR 4 kB 256 B SOIC-8 20 MHz 10 bit 6 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C ATtiny402 Tube
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 4KB, SOIC8, Ind 125C, Green, T&R
Datasheet
11.996On Order
Min.: 1
Mult.: 1
: 4.000

AVR 4 kB 256 B SOIC-8 20 MHz 10 bit 6 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C ATtiny402 Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 2KB, SOIC8, Ind 125C, Green, T&R
Datasheet
40.000On Order
Min.: 1
Mult.: 1
: 4.000

AVR 2 kB 128 B SOIC-8 20 MHz 10 bit 6 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C ATtiny202 Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 4KB, SOIC8, Ind 105C, Green, T&R
Datasheet
110.884On Order
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

AVR 4 kB 256 B SOIC-8 20 MHz 10 bit 6 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATtiny402 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 4KB, SOIC8, Ind 105C, Green, Tube
Datasheet
3.598Expected 10/08/2026
Min.: 1
Mult.: 1

AVR 4 kB 256 B SOIC-8 20 MHz 10 bit 6 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATtiny402 Tube