Atmega328P-AU SMD IC

Closing: 2:00 PM · 19 December 2025
Re-opening: 12 January 2026

Reference: #3085

R 128.80 In Stock (2)

The Atmega328P-AU is a microcontroller IC with a surface-mount package. It is a member of the Atmega family of microcontrollers, which are widely used in a variety of applications, including consumer electronics, automotive systems, and industrial control systems. The Atmega328P-AU is based on the AVR architecture and has a large range of peripherals and features, including 32 KB of flash memory, 2 KB of SRAM, and a variety of digital and analog I/O pins. It can be programmed using the C programming language and is commonly used in DIY electronics projects, such as Arduino boards. The Atmega328P-AU is a powerful and versatile microcontroller that is suitable for use in a wide range of applications.

This is a compact Atmega328 in SMD form and provides lots of processing power.

Core Size	8-Bit
Speed	20MHz
Connectivity	I²C, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O	23
Program Memory Size	32KB (16K x 16)
Program Memory Type	FLASH
EEPROM Size	1K x 8
RAM Size	2K x 8
Voltage - Supply (Vcc/Vdd)	1.8V ~ 5.5V
Data Converters	A/D 8x10b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	32-TQFP
Supplier Device Package	32-TQFP (7x7)

Providing Power to an Arduino
Options available to provide power to an Arduino is discussed here.
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