ATMEGA329-16AU vs ATMEGA1284-AU

This in-depth comparison of the ATMEGA329-16AU and ATMEGA1284-AU provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

ATMEGA329-16AU

Microchip Technology

Lifecycle
Active
Stock
1206 PCS
Package
TQFP-64
Series
Embedded - Microcontrollers
+BOM RFQ
Part B

ATMEGA1284-AU

Microchip Technology

Lifecycle
Active
Stock
1496 PCS
Package
TQFP-44
Series
Embedded - Microcontrollers
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification ATMEGA329-16AU ATMEGA1284-AU
Series AVR® ATmega AVR® ATmega
Part Status Active Active
Core Processor AVR AVR
Core Size 8-Bit 8-Bit
Speed 16MHz 20MHz
Connectivity SPI, UART/USART, USI I²C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, LCD, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 54 32
Program Memory Size 32KB (16K x 16) 128KB (64K x 16)
Program Memory Type FLASH FLASH
EEPROM Size 1K x 8 4K x 8
RAM Size 2K x 8 16K x 8
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V 1.8V ~ 5.5V
Data Converters A/D 8x10b A/D 8x10b
Oscillator Type Internal Internal
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount
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