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Product attributes Property Value
Manufacturer Microchip Technology
Product Series tinyAVR™ 1, Functional Safety (FuSa)
Packaging Tray | Tray
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 8KB (8K x 8)
Program Memory Type FLASH
EEPROM Size 128 x 8
RAM Size 512 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 -
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 ATTINY817-MN is a low-power 8-bit AVR microcontroller from Microchip Technology. It runs at 20 MHz and offers 8 KB of Flash and 512 bytes of RAM. Packaged in a 24-VFQFN, it supports a wide voltage range of 1.8V to 5.5V and an extended temperature range, making it a versatile choice for a variety of embedded applications.

  • Wide Voltage Range: 1.8V to 5.5V simplifies power supply design.
  • High Temperature Tolerance: Operates up to 105°C for demanding environments.
  • Compact 24-VFQFN Package: Ideal for miniaturized designs.
  • Low Power Consumption: Suitable for energy-harvesting and battery applications.

Smart Home Sensors

Low power consumption and small size make it ideal for temperature, humidity, and motion sensors.

Wearable Health Monitors

The 1.8V-5.5V range and low sleep current support compact, battery-powered health trackers.

Automotive Interior Modules

With a 105°C rating, it can handle under-dash and interior lighting control modules.

Industrial Automation Sensors

Robust I/Os and multiple communication interfaces (UART, SPI, I2C) enable industrial sensor nodes.

Consumer Appliances

Cost-effective and reliable, it is suitable for coffee makers, air purifiers, and smart plugs.

Security Systems

Its small footprint and low power are perfect for door/window sensors and keypads.

Q: What is the core architecture?
A: It uses the AVR 8-bit core.
Q: What is the maximum clock speed?
A: It operates at 20 MHz.
Q: How much Flash memory does it have?
A: It has 8 KB of Flash memory.
Q: What is the operating temperature range?
A: It operates from -40°C to 105°C.
Base Product Number : ATTINY817
20MHz 24-VFQFN 8-bit MCU 8KB Flash ATTINY817 AVR Low Power Sensors Wearables
Q: What is the core architecture?
A: It uses the AVR 8-bit core.
Q: What is the maximum clock speed?
A: It operates at 20 MHz.
Q: How much Flash memory does it have?
A: It has 8 KB of Flash memory.
Q: What is the operating temperature range?
A: It operates from -40°C to 105°C.