Microchip Technology ATTINY3226-MFR

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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 Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 20-VQFN (3x3)
Package / Case 20-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATTINY3226-MFR is a high-performance 8-bit AVR microcontroller with 32KB flash and 3KB SRAM. It operates from 1.8V to 5.5V at speeds up to 20MHz, featuring a 12-bit ADC, analog comparator, and configurable custom logic. The 20-VFQFN package is ideal for space-constrained designs requiring extended temperature range up to 125°C.

  • Extended temperature range (-40°C to 125°C) for industrial reliability
  • Low-voltage operation down to 1.8V for battery-powered designs
  • Configurable custom logic (CCL) reduces CPU workload
  • 32KB flash with 3KB SRAM for complex applications
  • Event system enables deterministic peripheral communication

Industrial Sensor Nodes

With 32KB flash and 3KB SRAM, the ATTINY3226-MFR can handle sensor calibration algorithms and data logging in harsh environments up to 125°C.

Battery-Powered IoT Devices

The 1.8V minimum supply voltage and multiple sleep modes enable long battery life for wireless sensor tags and environmental monitors.

Motor Control Housings

Its PWM outputs and event system allow precise timing for brushless DC motor commutation in compact 20-QFN packages.

Automotive Interior Lighting

Operating at 125°C and with AEC-Q100 qualification, it can drive LED matrices with integrated temperature compensation.

Portable Medical Instruments

The 12-bit ADC and internal voltage reference support accurate glucose meter or thermometer readings with minimal external components.

Smart Home Controllers

Configurable custom logic (CCL) offloads simple state machines from the CPU, reducing power consumption in always-on smart switches.

Q: What is the maximum operating frequency?
A: The ATTINY3226-MFR operates at up to 20MHz with a supply voltage range of 1.8V to 5.5V.
Q: What package is available?
A: It comes in a 20-VFQFN exposed pad package, suitable for compact PCB designs.
Q: Does it include analog peripherals?
A: Yes, it features a 12-bit ADC, analog comparator, and configurable custom logic (CCL).
Q: What is the operating temperature range?
A: It is rated for -40°C to 125°C (TA), making it suitable for industrial applications.
Base Product Number : ATTINY3226
20MHz 32KB Flash 3KB SRAM 8-bit MCU AVR Industrial IoT Low Power Microchip VFQFN-20
Q: What is the maximum operating frequency?
A: The ATTINY3226-MFR operates at up to 20MHz with a supply voltage range of 1.8V to 5.5V.
Q: What package is available?
A: It comes in a 20-VFQFN exposed pad package, suitable for compact PCB designs.
Q: Does it include analog peripherals?
A: Yes, it features a 12-bit ADC, analog comparator, and configurable custom logic (CCL).
Q: What is the operating temperature range?
A: It is rated for -40°C to 125°C (TA), making it suitable for industrial applications.