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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 8KB (8K x 8)
Program Memory Type FLASH
EEPROM Size 128 x 8
RAM Size 512 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-SOIC
Package / Case 20-SOIC (0.295", 7.50mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATTINY816-SFR is a low-power 8-bit AVR microcontroller from Microchip, packaged in a 20-SOIC. It operates at 16MHz with 8KB flash and 512 bytes RAM, supporting 2.7V to 5.5V supply. Integrated brown-out reset, power-on reset, and watchdog timer make it a dependable choice for simple, cost-effective embedded applications.

  • Low power consumption: Extends battery life in portable devices.
  • AVR core efficiency: High code density reduces memory requirements.
  • Wide SOIC package: Easy to solder and prototype.
  • Integrated safety features: BOR and WDT improve system robustness.

Battery-Powered Remote Controls

2.7V minimum voltage and low-power sleep modes extend battery life.

Small Appliance Timers

8KB flash is sufficient for timing and display control logic.

Sensor Signal Conditioning

Built-in analog comparator and ADC handle simple sensor interfaces.

LED Indicator Controllers

PWM outputs drive LEDs with minimal external circuitry.

Consumer Electronics Power Management

WDT ensures safe shutdown in case of firmware errors.

Educational Prototyping

AVR architecture is well-documented, ideal for learning embedded systems.

Q: What is the core architecture?
A: AVR 8-bit, providing efficient code density and low power.
Q: What is the maximum speed?
A: 16MHz, balanced for low-power and moderate processing needs.
Q: What is the package type?
A: 20-SOIC wide body, suitable for through-hole or SMD assembly.
Q: What is the RAM size?
A: 512 bytes, adequate for small control applications.
Base Product Number : ATTINY816
16MHz 20-SOIC 8-bit MCU ATtiny AVR battery consumer low-power WDT
Q: What is the core architecture?
A: AVR 8-bit, providing efficient code density and low power.
Q: What is the maximum speed?
A: 16MHz, balanced for low-power and moderate processing needs.
Q: What is the package type?
A: 20-SOIC wide body, suitable for through-hole or SMD assembly.
Q: What is the RAM size?
A: 512 bytes, adequate for small control applications.