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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 20MHz
Connectivity I2C, IrDA, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, WDT
Number of I/O 12
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 10x10b; D/A 1x8b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 14-SOIC
Package / Case 14-SOIC (0.154", 3.90mm Width)

The Microchip ATTINY414 is a low-power AVR MCU with 4KB flash and 256B RAM, packaged in a 14-SOIC. It operates from 1.8V to 5.5V at up to 20MHz, featuring BOD, POR, and WDT. Designed for compact, cost-efficient embedded systems requiring reliable performance in moderate temperature ranges.

  • Ultra-low power consumption: Extends battery life in portable and wireless applications.
  • Wide temperature range (-40°C to 105°C): Suitable for outdoor and automotive environments.
  • Small footprint SOIC-14: Balances pin count and board space for compact designs.
  • Integrated safety peripherals: BOD and WDT improve system robustness without external components.

Compact Sensor Nodes

With 4KB flash and 256B RAM, it can run simple data acquisition and transmit via UART/I2C, ideal for distributed temperature or humidity sensing.

Battery Management in Wearables

The 1.8V minimum supply and low-power sleep modes enable long battery life in fitness trackers or smart watches.

LED String Controllers

Its 20MHz speed allows bit-banging protocols like WS2812, controlling multiple RGB LEDs with precise timing.

Automotive Interior Sensors

Operating up to 105°C, it can monitor cabin temperature or seat occupancy in vehicles, feeding data to a central ECU.

Small Motor Drivers

With PWM and WDT, it can drive small vibration motors in haptic feedback devices, ensuring safe operation.

Security Keypads

The 4KB flash can store debounce and encryption routines for simple access control panels.

Q: What is the core architecture of the ATTINY414?
A: It uses the AVR core, running at up to 20MHz with 4KB flash and 256B SRAM.
Q: What is the operating temperature range?
A: This version supports -40°C to 105°C, suitable for industrial environments.
Q: Does it have a brown-out detector?
A: Yes, it includes BOD, POR, and WDT for reliable operation.
Q: What package is this variant?
A: It comes in a 14-SOIC package, offering good thermal and mechanical stability.
Base Product Number : ATTINY414
20MHz 256B RAM 4KB Flash 8-bit MCU ATtiny AVR Low Power Sensor SOIC-14 WDT Wearable
Q: What is the core architecture of the ATTINY414?
A: It uses the AVR core, running at up to 20MHz with 4KB flash and 256B SRAM.
Q: What is the operating temperature range?
A: This version supports -40°C to 105°C, suitable for industrial environments.
Q: Does it have a brown-out detector?
A: Yes, it includes BOD, POR, and WDT for reliable operation.
Q: What package is this variant?
A: It comes in a 14-SOIC package, offering good thermal and mechanical stability.