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Product attributes Property Value
Manufacturer Microchip Technology
Product Series tinyAVR™ 1, Functional Safety (FuSa)
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity I2C, IrDA, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, WDT
Number of I/O 22
Program Memory Size 4KB (4K x 8)
Program Memory Type FLASH
EEPROM Size 128 x 8
RAM Size 256 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 12x10b; D/A 1x8b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 24-QFN (4x4)
Package / Case 24-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATTINY417-MNR is a low-power AVR MCU from Microchip featuring a 20MHz core, 4KB flash, and 256B RAM. It operates from 1.8V to 5.5V with brown-out reset, POR, and WDT. The 24-VFQFN package supports extended temperatures up to 105°C for demanding applications.

  • High-temperature rating (105°C): Suitable for automotive and industrial environments.
  • Low 1.8V operation: Enables energy-efficient battery-powered designs.
  • Compact 24-QFN package: Ideal for space-limited PCB layouts.
  • Integrated brown-out detection: Prevents data corruption during voltage dips.

Automotive Sensor Node

With 105°C rating and 20MHz AVR core, it processes engine bay temperature or pressure signals reliably.

Industrial IoT Endpoint

4KB flash and 256B RAM run lightweight MQTT or custom protocols for factory floor monitoring.

Portable Medical Device

Low 1.8V operation supports wearable health monitors with brown-out detection for data integrity.

Smart Home Controller

Drive multiple LEDs and read touch sensors in a 24-pin QFN for compact wall panels.

Battery Management System

Monitor cell voltages and control balancing FETs with WDT for fail-safe operation in power tools.

HVAC Zone Controller

Handle multiple temperature inputs and damper motor control with PWM in a small footprint.

Q: What is the maximum clock speed?
A: 20MHz.
Q: What is the RAM size?
A: 256 bytes.
Q: What temperature range does it support?
A: -40°C to 105°C.
Q: What package is available?
A: 24-VFQFN.
Base Product Number : ATTINY417
20MHz 24-VFQFN 256B RAM 4KB flash 8-bit MCU ATTINY417 automotive AVR brown-out reset industrial IoT WDT
Q: What is the maximum clock speed?
A: 20MHz.
Q: What is the RAM size?
A: 256 bytes.
Q: What temperature range does it support?
A: -40°C to 105°C.
Q: What package is available?
A: 24-VFQFN.