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Product attributes Property Value
Manufacturer Microchip Technology
Product Series tinyAVR® 2
Packaging Tube |
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity I2C, IrDA, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 18
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
EEPROM Size 256 x 8
RAM Size 3K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 15x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 20-SOIC
Package / Case 20-SOIC (0.295", 7.50mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATTINY3226-SU is a powerful 8-bit AVR microcontroller in a 20-SOIC package. It offers 32KB Flash and 3KB RAM, running at up to 20MHz. With a wide 1.8V-5.5V supply range and integrated PWM, WDT, and brown-out reset, it is ideal for IoT, wearable, and motor control applications requiring high performance in a compact form.

  • High Memory Density: 32KB Flash and 3KB RAM support complex applications and data logging.
  • Low Power Consumption: 1.8V operation and sleep modes maximize battery life.
  • Fast 20MHz AVR Core: Efficient execution for time-critical tasks.
  • Compact 20-SOIC Package: Saves board space while providing 20 I/O pins.
  • Robust Peripheral Set: PWM, ADC, and WDT reduce external component count.

IoT Edge Nodes

The 32KB Flash and 20MHz speed handle sensor data processing and wireless protocol stacks for IoT devices.

Battery-Powered Wearables

Low 1.8V operation and power-saving modes extend battery life in fitness trackers and smartwatches.

Motor Control in Drones

High-speed PWM and small footprint enable precise ESC (Electronic Speed Controller) designs for quadcopters.

Smart Agriculture Sensors

Monitor soil moisture and temperature with its ADC, and control irrigation valves via PWM in remote field nodes.

Consumer Electronics HID

Implement keyboard, mouse, or game controller interfaces with its rich I/O and USB support (with external PHY).

Automotive Aftermarket Accessories

The -40°C to 85°C range and robust reset features suit car alarm systems and dashcam controllers.

Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V, suitable for battery and USB-powered devices.
Q: What is the maximum speed?
A: The AVR core runs at up to 20MHz.
Q: How much Flash memory is available?
A: It has 32KB (32K x 8) of program Flash memory.
Q: What package does it come in?
A: It is available in a 20-SOIC (0.295", 7.50mm Width) package.
Q: Does it have PWM and reset features?
A: Yes, it includes PWM, WDT, POR, and Brown-out Detect/Reset.
Base Product Number : ATTINY3226
20-SOIC 20MHz 32KB Flash 8-bit MCU ATtiny AVR IoT low power motor control sensor wearable
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V, suitable for battery and USB-powered devices.
Q: What is the maximum speed?
A: The AVR core runs at up to 20MHz.
Q: How much Flash memory is available?
A: It has 32KB (32K x 8) of program Flash memory.
Q: What package does it come in?
A: It is available in a 20-SOIC (0.295", 7.50mm Width) package.
Q: Does it have PWM and reset features?
A: Yes, it includes PWM, WDT, POR, and Brown-out Detect/Reset.