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Product attributes Property Value
Manufacturer Microchip Technology
Product Series tinyAVR™ 1, Functional Safety (FuSa)
Packaging Tube |
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 12
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 10x10b; D/A 1x8b
Oscillator Type Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 14-SOIC
Package / Case 14-SOIC (0.154", 3.90mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATTINY814-SSF is a high-temperature AVR microcontroller in a compact 14-SOIC package. It delivers 8KB Flash and 512B SRAM at speeds up to 16MHz, operating from 2.7V to 5.5V. Built-in brown-out detection, power-on reset, and watchdog timer enhance system reliability in demanding industrial and automotive environments.

  • Extended temperature range (-40°C to 125°C) for harsh environments
  • Wide voltage range simplifies power supply design
  • Integrated BOD/POR/WDT reduces external components
  • Compact SOIC-14 package saves PCB space

Industrial Sensor Node

With a wide 2.7V-5.5V supply and 125°C rating, it reliably reads analog sensors in harsh factory environments.

Battery-Powered IoT Endpoint

Low-power sleep modes and fast wake-up from WDT make it ideal for periodic sensor reporting.

Automotive Body Control Module

The extended temperature range and robust BOD/POR ensure stable operation in under-hood applications.

Portable Medical Device

Its small SOIC footprint and deterministic AVR core suit compact, safety-critical monitoring tools.

Smart Home Thermostat

8KB Flash handles control loops and user interface logic while maintaining low quiescent current.

Motor Control Feedback Loop

Fast 16MHz processing and on-chip comparators enable real-time rotor position sensing.

Q: What is the operating voltage range of the ATTINY814-SSF?
A: The ATTINY814-SSF operates from 2.7V to 5.5V.
Q: What is the maximum clock speed?
A: It runs at up to 16MHz.
Q: How much Flash and SRAM does it have?
A: It features 8KB Flash and 512 bytes SRAM.
Q: What package is available?
A: It comes in a 14-pin SOIC package.
Q: What is the temperature range?
A: It is rated for -40°C to 125°C.
Base Product Number : ATTINY814
16MHz 8-bit MCU 8KB Flash automotive AVR industrial low power Microchip microcontroller SOIC-14
Q: What is the operating voltage range of the ATTINY814-SSF?
A: The ATTINY814-SSF operates from 2.7V to 5.5V.
Q: What is the maximum clock speed?
A: It runs at up to 16MHz.
Q: How much Flash and SRAM does it have?
A: It features 8KB Flash and 512 bytes SRAM.
Q: What package is available?
A: It comes in a 14-pin SOIC package.
Q: What is the temperature range?
A: It is rated for -40°C to 125°C.