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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 16MHz
Connectivity I2C, IrDA, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, WDT
Number of I/O 18
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) 2.7V ~ 5.5V
Data Converters A/D 12x10b; D/A 1x8b
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 ATTINY416-MFR is a high-temperature 8-bit AVR microcontroller in a 20-pin VFQFN package. It features 4KB Flash, 256 bytes of RAM, and operates at up to 16MHz. With a supply range of 2.7V to 5.5V, it includes Brown-out Detect/Reset, POR, and WDT. Its exposed pad enhances heat dissipation, making it suitable for demanding environments.

  • Extended temperature range (-40°C to 125°C) – reliable in extreme conditions.
  • Exposed pad package – improves thermal management for high-current loads.
  • 4KB Flash with 256B RAM – ample space for complex control logic.
  • Integrated brown-out detection – prevents erratic behavior during voltage dips.

Industrial Sensor Hubs

The 20-pin VFQFN and 256B RAM allow multi-sensor data aggregation and I2C/SPI communication.

Automotive Control Modules

With -40°C to 125°C rating and brown-out detection, it handles harsh under-hood conditions.

Smart Home Thermostats

4KB Flash supports PID control algorithms and user interface logic in compact enclosures.

Battery Management Systems

2.7V minimum supply and WDT ensure safe state monitoring in Li-ion packs.

Motor Control for Drones

16MHz speed and PWM channels enable precise ESC (Electronic Speed Controller) timing.

Medical Device Peripherals

Reliable reset features and wide temperature range suit infusion pump and monitor peripherals.

Q: What is the operating voltage?
A: It operates from 2.7V to 5.5V, ideal for 3.3V and 5V systems.
Q: What is the maximum clock frequency?
A: The device runs at up to 16MHz, balancing speed and power consumption.
Q: How much Flash memory is included?
A: It provides 4KB (4K x 8) of Flash program memory.
Q: What package is available?
A: It comes in a 20-pin VFQFN with exposed pad for improved thermal performance.
Q: Does it have brown-out detection?
A: Yes, it includes Brown-out Detect/Reset, POR, and WDT for robust operation.
Base Product Number : ATTINY416
16MHz 20-VFQFN 256B RAM 4KB Flash 8-bit AVR ATTINY416 automotive brown-out detect industrial POR WDT
Q: What is the operating voltage?
A: It operates from 2.7V to 5.5V, ideal for 3.3V and 5V systems.
Q: What is the maximum clock frequency?
A: The device runs at up to 16MHz, balancing speed and power consumption.
Q: How much Flash memory is included?
A: It provides 4KB (4K x 8) of Flash program memory.
Q: What package is available?
A: It comes in a 20-pin VFQFN with exposed pad for improved thermal performance.
Q: Does it have brown-out detection?
A: Yes, it includes Brown-out Detect/Reset, POR, and WDT for robust operation.