Name: ATMEGA328- U Microchip Microcontroller IC
Brand: Microchip
SKU: AI0372
Price: 238.36 INR
Availability: OutOfStock
Rating: 4.40 (10 reviews)

ATMEGA328- U Microchip Microcontroller IC

The ATMEGA328-U is a low-power CMOS 8-bit microcontroller built on the AVR enhanced RISC architecture. It executes powerful instructions in a single clock cycle, achieving throughputs close to 1 MIPS per MHz. This allows system designers to balance power consumption with processing speed, optimizing overall efficiency.

The AVR core features a rich instruction set and 32 general-purpose working registers, all directly connected to the Arithmetic Logic Unit (ALU). This design enables two independent registers to be accessed in one instruction, executed in a single clock cycle. As a result, the ATmega328P-PU offers better code efficiency and throughput speeds up to ten times faster than traditional CISC microcontrollers.

The ATmega328-U AVR is supported by a comprehensive suite of development tools, including C compilers, macro assemblers, program debuggers/simulators, in-circuit emulators, and evaluation kits, providing everything needed for effective program and system development.

Note:

The available IC model for this type is ATMEGA328-PU.

New IC marking code is implemented, instead of ATMEGA328PU used ATMEGA-U on Chip

Features

High Performance, Low Power Design:

8-Bit Microcontroller Atmel® AVR® advanced RISC architecture

131 Instructions most of which are executed in a single clock cycle

Up to 20 MIPS throughput at 20 MHz

32 x 8 working registers

2 cycle multiplier

Specification

Micro-controller	ATmega328P-U PDIP-28
Cycles	10,000 Write and Erase Cycles for Flash and 100,000 for EEPROM
Data retention	for 20 years at 85°C and 100 years at 25°C
Instruction set	131 Instructions most of which are executed in a single clock cycle
I/O and package	23 programmable I/O lines, 28 pin PDIP package
Registers	32 x 8 working registers.

Memory Includes:

32KB of programmable FLASH

1KB of EEPROM

2KB SRAM

10,000 Write and Erase Cycles for Flash and 100,000 for EEPROM

Data retention for 20 years at 85°C and 100 years at 25°C

Optional bootloader with lock bits

In System Programming (ISP) by via bootloader

True Read-While-Write operation.

Programming lock available for software security

I/O and Package:

23 Programmable I/O lines

28 Pin PDIP package

Speed Grades:

0-4 MHz at 1.8-5.5V

0-10 MHz at 2.7-5.5V

0-20 MHz at 4.5-5.5V

Low Power Consumption Mode at 1.8V, 1 MHz and 25°C:

Active Mode: 0.3 mA

Power-down Mode: 0.1 μA

Power-save Mode: 0.8 μA (Including 32 kHz RTC)

Pin Diagram :

Package Includes

1 x ATMEGA328-U Microcontroller IC

ATMEGA328- U Microchip Microcontroller IC Overview

The ATMEGA328-U is a low-power CMOS 8-bit microcontroller based on Microchip’s AVR enhanced RISC architecture. It delivers high code efficiency and up to 20 MIPS throughput at 20 MHz, making it ideal for embedded control, data acquisition, and real-time applications.

Key Features of ATMEGA328- U Microchip Microcontroller IC

131 powerful instructions with most executed in a single clock cycle
32 × 8 general-purpose working registers directly connected to the ALU
Up to 20 MIPS throughput when clocked at 20 MHz
On-chip 2-cycle hardware multiplier for fast arithmetic
10,000 flash and 100,000 EEPROM write/erase cycles for reliable data storage
Fast shipping from Zbotic across India

Applications and Use Cases

Arduino-compatible prototyping boards and DIY electronics
Sensor data acquisition and real-time signal processing
Motor control and feedback loops in robotics projects
Firmware for wearable and portable battery-powered devices
Communication hubs using UART, SPI or I²C interfaces
Low-power embedded modules in industrial automation

How to Use ATMEGA328- U Microchip Microcontroller IC

Begin by providing a stable VCC and GND to the chip, then select an external crystal or use the internal oscillator to set your clock source. Load your application firmware via the on-chip bootloader or an SPI-based in-system programmer. Connect I/O pins to sensors, actuators or communication lines, and use the AVR toolchain (AVRDUDE, Atmel Studio or Arduino IDE) to compile and flash your code.

Why Buy from Zbotic?

Genuine Products: All items sourced from authorized distributors
Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
Free Shipping: Free delivery on qualifying orders
COD Available: Cash on Delivery, UPI, cards, net banking
Technical Support: Expert help for setup and troubleshooting
Easy Returns: Hassle-free replacement for defective products

Frequently Asked Questions

Does the ATMEGA328-U support in-system programming?

Yes. The ATMEGA328-U includes an on-chip boot program and supports in-system programming via its SPI interface, so you can update firmware without removing the chip.

What is the EEPROM endurance of the ATMEGA328-U?

The internal EEPROM is rated for up to 100,000 write/erase cycles, allowing reliable non-volatile data storage for calibration, logs, and configuration settings.

What timers are available on the ATMEGA328-U?

This microcontroller features two independent 8-bit timer/counters, each with its own prescaler and compare mode, suitable for PWM generation, event counting, and time-base functions.

Tags: ATmega ATMEGA328P-PU IC ATMEGA328P-U AVR Buy Online India Microcontroller Microcontroller IC Zbotic

Technical Specifications

Brand	Microchip
Model	ATMEGA328
SKU	AI0372
Weight	0.0025 kg
Availability	Out of Stock

Applications & Use Cases

The ATMEGA328- U Microchip Microcontroller IC is a versatile microcontroller ics used across a wide range of applications including electronics projects, DIY builds, prototyping, and educational experiments.

Common use cases:

Integrating into a custom electronics project
Learning and experimenting with circuits
Replacing or upgrading components in existing setups

This product is ideal for electronics enthusiasts, engineers, and students.

Technical Tip: Always verify voltage and current requirements before connecting to your circuit. Check datasheets for detailed specifications and pin configurations.

Shipping & Delivery

Free shipping on orders above ₹999 across India
Dispatched within 1-3 business days
Expected delivery: 3-7 business days depending on location
Secure packaging to ensure safe transit of electronic components
Genuine Microchip product sourced from authorized channels

Weight	0.0025 kg
Dimensions	3 × 3 × 2 cm

15 Days Warranty

Please note that this item is only covered by a standard supplier warranty against manufacturing defects for a period of 15days from the time of delivery. It is important to understand that only manufacturing defects are covered under this warranty, and any other issues will not be considered for reimbursement or replacement. We strongly advise inspecting the product upon delivery to ensure it meets your expectations. In case of any manufacturing defects, we guarantee reimbursement or replacement.