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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 ~ 125°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 20-SSOP
Package / Case 20-SSOP (0.209", 5.30mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATTINY3226-XF is a versatile 8-bit AVR microcontroller from Microchip Technology, offering 32KB Flash and 3KB SRAM in a compact 20-pin SSOP package. It operates from 1.8V to 5.5V, making it perfect for battery-powered and industrial applications. With a 20MHz core, it delivers efficient performance for real-time tasks. Integrated peripherals include PWM, watchdog timer, power-on reset, and brown-out detection, ensuring reliable operation in harsh environments. The extended temperature range (-40°C to 125°C) qualifies it for automotive and industrial use. This MCU is an excellent choice for sensor nodes, motor control, and smart lighting systems.

  • Large memory (32KB Flash, 3KB RAM): Supports complex firmware and data buffering.
  • Low-voltage operation (1.8V): Extends battery life in portable devices.
  • High-temperature tolerance (125°C): Reliable in automotive and industrial settings.
  • Rich peripherals: PWM, WDT, POR, and brown-out reset reduce external components.
  • Compact SSOP-20: Saves board space while providing 18 I/O pins.

Smart Sensor Nodes

With 32KB Flash and 3KB RAM, the ATTINY3226-XF can store calibration tables and run complex algorithms for temperature, humidity, or pressure sensors in building automation.

Battery-Powered Remote Controls

Low 1.8V operation and sleep modes extend battery life in remote controls, while PWM drives IR LEDs for communication.

LED Lighting Control

Use PWM outputs to create dimming effects and color mixing in RGB LED strips, with the 20-SSOP package fitting into slim light fixtures.

Motor Speed Controllers

For small DC motors in toys or fans, the 20MHz AVR core provides sufficient processing for closed-loop speed control using Hall sensors.

Automotive Interior Lighting

Operating from -40°C to 125°C, it handles ambient lighting control in vehicles, with WDT ensuring fail-safe operation.

Portable Health Monitors

Its low power and small size make it ideal for fitness bands or heart-rate monitors, processing sensor data and driving displays.

Q: What is the core architecture of ATTINY3226-XF?
A: It uses the AVR core, running at up to 20MHz.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V, suitable for low-power and 5V systems.
Q: How much memory is available?
A: It has 32KB Flash and 3KB SRAM, ample for complex applications.
Q: What package is this variant?
A: It comes in a 20-pin SSOP (0.209" width) package.
Q: Does it support PWM and watchdog?
A: Yes, it includes PWM, WDT, POR, and brown-out reset.
Base Product Number : ATTINY3226
20MHz 32KB Flash 3KB RAM 8-bit MCU automotive AVR industrial low power PWM SSOP-20 WDT
Q: What is the core architecture of ATTINY3226-XF?
A: It uses the AVR core, running at up to 20MHz.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V, suitable for low-power and 5V systems.
Q: How much memory is available?
A: It has 32KB Flash and 3KB SRAM, ample for complex applications.
Q: What package is this variant?
A: It comes in a 20-pin SSOP (0.209" width) package.
Q: Does it support PWM and watchdog?
A: Yes, it includes PWM, WDT, POR, and brown-out reset.