ATMEGA328P-PU 8-Bit AVR Microcontroller – Original DIP-28 IC Chip

Power your next electronics project with the genuine ATMEGA328P-PU — the iconic 8-bit AVR microcontroller from Microchip (formerly Atmel). Trusted by hobbyists, engineers, and makers worldwide, this original DIP-28 package IC is the heart of countless Arduino-compatible boards and embedded projects. Get authentic performance straight from a verified source.

Key Features

Original Genuine IC: Authentic ATMEGA328P-PU — not a clone or counterfeit chip
8-Bit AVR Architecture: Reliable, low-power RISC-based processor running at up to 20 MHz
32KB Flash Memory: Ample program storage for complex sketches and firmware
2KB SRAM & 1KB EEPROM: Sufficient working memory and non-volatile data storage
DIP-28 Through-Hole Package: Breadboard- and PCB-friendly for easy prototyping and direct insertion
23 Programmable I/O Lines: Versatile GPIO for sensors, displays, motors, and more
6-Channel 10-Bit ADC: Precise analog input reading for sensor applications
ISP & UART Ready: Supports in-system programming and serial communication out of the box
Arduino Compatible: Drop-in replacement for Arduino Uno and Duemilanove boards
Wide Operating Voltage: 1.8V–5.5V for flexible power supply options

What's in the Box

1 × Original ATMEGA328P-PU 8-Bit AVR Microcontroller (DIP-28)

Ideal For

Arduino Uno / Duemilanove board replacement or standalone builds
Breadboard prototyping and custom PCB designs
Embedded systems, automation, and IoT projects
Electronics learning kits and educational projects
Sensor interfacing, motor control, and data logging

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Frequently Asked Questions

Q: Is this ATMEGA328P-PU an original genuine chip or a clone?

A: This is a 100% original, genuine ATMEGA328P-PU microcontroller. It is not a clone or counterfeit — you get authentic Microchip (Atmel) quality, ensuring reliable performance and full compatibility with Arduino bootloaders and standard AVR development tools.

Q: What package type is the ATMEGA328P-PU and is it breadboard-compatible?

A: The ATMEGA328P-PU comes in a DIP-28 (Dual Inline Package, 28 pins) through-hole format, making it perfectly suited for direct insertion into standard breadboards and PCB prototypes without any soldering adapters required.

Q: Can I use this microcontroller as a direct replacement for an Arduino Uno's chip?

A: Yes! The ATMEGA328P-PU is the same microcontroller used on the Arduino Uno and Duemilanove boards. As long as the chip is pre-loaded with the Arduino bootloader (or you flash it yourself), it functions as a direct drop-in replacement.

Q: What programming interfaces does the ATMEGA328P-PU support?

A: The ATMEGA328P-PU supports ISP (In-System Programming) via SPI, as well as UART serial communication. It can be programmed using an AVR programmer, an Arduino as ISP, or via a USB-to-serial adapter if a bootloader is pre-installed.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.