Microchip Technology ATTINY3226-SFR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series tinyAVR® 2
Packaging Cut Tape (CT) | Tape & Reel (TR)
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 External, Internal
Operating Temperature -40°C ~ 125°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-SFR is a low-power 8-bit AVR microcontroller in a 20-pin SOIC package. It operates from 1.8V to 5.5V at up to 20MHz, with 32KB flash and 3KB SRAM. Integrated PWM, Brown-out Reset, Power-on Reset, and Watchdog Timer make it a versatile choice for compact, energy-efficient designs.

  • High flash density (32KB) – fits complex applications in a small package.
  • Low voltage operation (1.8V) – ideal for single-cell battery devices.
  • PWM integrated – reduces external components for analog control.
  • Wide temperature range – reliable in automotive and outdoor settings.

Consumer Electronics

Control RGB LEDs with PWM in gaming peripherals or smart bulbs, using the 3KB SRAM for color transition effects.

Battery-Powered Toys

With 1.8V minimum supply, it can run directly from two AA batteries, driving motors and sound modules.

Sensor Hubs

Aggregate data from multiple I2C sensors and process with the 20MHz AVR core, then output via UART to a host.

Automotive Accessories

Handle window tint control or mirror adjustment with PWM, rated for -40°C to 125°C under the hood.

Smart Agriculture

Monitor soil moisture and control irrigation valves with low-power sleep modes, ideal for solar-powered nodes.

Medical Disposables

Implement single-use diagnostic devices with simple logic and PWM for actuator control, keeping cost low.

Q: What is the program memory size?
A: It has 32KB of flash memory (32K x 8).
Q: What is the package type?
A: It comes in a 20-pin SOIC package (7.50mm width).
Q: Does it support PWM?
A: Yes, it includes PWM channels for motor and lighting control.
Q: What is the operating voltage?
A: It operates from 1.8V to 5.5V.
Q: What is the maximum speed?
A: The core runs at up to 20MHz.
Base Product Number : ATTINY3226
20-SOIC 20MHz 32KB flash 3KB SRAM 8-bit MCU automotive AVR BOR consumer low-power PWM WDT
Q: What is the program memory size?
A: It has 32KB of flash memory (32K x 8).
Q: What is the package type?
A: It comes in a 20-pin SOIC package (7.50mm width).
Q: Does it support PWM?
A: Yes, it includes PWM channels for motor and lighting control.
Q: What is the operating voltage?
A: It operates from 1.8V to 5.5V.
Q: What is the maximum speed?
A: The core runs at up to 20MHz.