ATtiny3224, ATtiny3226, ATtiny3227 8-Bit MCUs

Microchip Technology ATtiny3224, ATtiny3226, and ATtiny3227 8-Bit Microcontrollers (MCUs) feature the AVR® CPU with hardware multiplier, running at up to 20MHz with 32KB Flash, 3KB SRAM, and 256B of EEPROM. These devices integrate core-independent peripherals with low-power features, including an Event System, intelligent analogue, and advanced peripherals.

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
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
Packaging
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB,VQFN20, Ind 85C, Green
Datasheet
1,554In Stock
Min.: 1
Mult.: 1

AVR 32 kB 3 kB VQFN-20 20 MHz 12 bit 18 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB,VQFN20, Ind 125C, Green, T&R
Datasheet
1,613In Stock
Min.: 1
Mult.: 1
: 6,000

AVR 32 kB 3 kB VQFN-20 20 MHz 12 bit 18 I/O 1.8 V 5.5 V SMD/SMT 8 bit/16 bit - 40 C + 125 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB, SOIC14, Ind 85C, Green
Datasheet
3,940In Stock
Min.: 1
Mult.: 1

32 kB 3 kB SOIC-14 20 MHz 12 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB, SOIC20, Ind 125C, Green
Datasheet
1,821In Stock
Min.: 1
Mult.: 1

AVR 32 kB 3 kB SOIC-20 20 MHz 12 bit 18 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB, TSSOP14, Ind 125C, Green
Datasheet
385In Stock
Min.: 1
Mult.: 1

AVR 32 kB 3 kB TSSOP-14 20 MHz 12 bit 12 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB, TSSOP14, Ind 85C, Green
Datasheet
1,506In Stock
Min.: 1
Mult.: 1

AVR 32 kB 3 kB TSSOP-14 20 MHz 12 bit 12 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB, SOIC14, Ind 125C, Green
Datasheet
543In Stock
Min.: 1
Mult.: 1

AVR 32 kB 3 kB SOIC-14 20 MHz 12 bit 12 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB,VQFN20, Ind 125C, Green
Datasheet
147In Stock
980Expected 2026/10/12
Min.: 1
Mult.: 1

AVR 32 kB 3 kB VQFN-20 20 MHz 12 bit 18 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB, SOIC20, Ind 85C, Green
Datasheet
1,001In Stock
1,140Expected 2026/10/09
Min.: 1
Mult.: 1

32 kB 3 kB SOIC-20 20 MHz 12 bit 8 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB, SSOP20, Ind 125C, Green
Datasheet
987In Stock
Min.: 1
Mult.: 1

AVR 32 kB 3 kB SSOP-20 20 MHz 12 bit 18 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB, SSOP20, Ind 85C, Green
Datasheet
750In Stock
Min.: 1
Mult.: 1

AVR 32 kB 3 kB SSOP-20 20 MHz 12 bit 18 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB, VQFN24, Ind 125C, Green
Datasheet
896In Stock
Min.: 1
Mult.: 1

AVR 32 kB 3 kB VQFN-24 20 MHz 12 bit 22 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB, VQFN24, Ind 125C, Green, T&R
Datasheet
6,000Expected 2026/10/19
Min.: 1
Mult.: 1
: 6,000

AVR 32 kB 3 kB VQFN-24 20 MHz 12 bit 22 I/O 1.8 V 5.5 V SMD/SMT - 40 C + 125 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB, VQFN24, Ind 85C, Green
Datasheet
5,880Expected 2026/12/11
Min.: 1
Mult.: 1

32 kB 3 kB VQFN-24 20 MHz 12 bit 22 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray