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ATMEGA328P-AU Embedded - Microcontrollers by Microchip Technology

ATMEGA328P-AU is a Embedded - Microcontrollers model from Microchip Technology, presented on TrustCompo for buyers who need clear sourcing and review context before RFQ. This listing sits in the Integrated Circuits (ICs) / Embedded - Microcontrollers product path. Known package information currently points to TQFP under the Microchip Technology brand listing. IC MCU 8BIT 32KB FLASH 32TQFP. TrustCompo combines the available model, brand, hierarchy, and specification details around ATMEGA328P-AU so buyers can move faster from review to quotation.

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Datasheet
ATMEGA328P-AU Embedded - Microcontrollers by Microchip Technology | TrustCompo
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Part Number

ATMEGA328P-AU

Internal code

TCE000039621

Package

TQFP

Key specifications

Series

AVR® ATmega

Min Quantity

1

Description

IC MCU 8BIT 32KB FLASH 32TQFP

key Attributes

-

Technical document

Open The Official Datasheet

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View ATMEGA328P-AU Datasheet

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RoHS, REACH, and lead-free documentation can be confirmed during RFQ
Traceability and Certificate of Conformance support available on request
Pre-shipment inspection report support for quality review

Trust signals

Globally recognized certifications

4 certifications

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ISO 9001

Quality management processes for more consistent sourcing and handling.

AS9120B

Aerospace-focused distribution controls for traceability and reliability.

ISO 14001

Environmental management discipline across warehouse and operating workflows.

ESD Control

Electrostatic handling standards to help protect sensitive components.

Ordering workflow

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How to order this product

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1

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2

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3

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Structured product content

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Product overview

Overview

The ATmega328P-AU from Microchip Technology is an 8-bit AVR microcontroller based on the RISC architecture. It has 32KB of flash memory, 2KB of SRAM, and 1K of EEPROM. It also has 23 I/O pins and a variety of peripherals, including two 8-bit timers, one 16-bit timer, one 10-bit ADC, one SPI port, and one I2C port. The ATmega328P-AU operates at a clock speed of up to 20MHz and is powered by a 1.8V to 5.5V supply. It is available in a 32-pin TQFP package.

Key Features:

  • 8-bit AVR microcontroller
  • 32KB of flash memory
  • 2KB of SRAM
  • 1K of EEPROM
  • 23 I/O pins
  • Two 8-bit timers
  • One 16-bit timer
  • One 10-bit ADC
  • One SPI port
  • One I2C port
  • Operates at a clock speed of up to 20MHz
  • Powered by a 1.8V to 5.5V supply
  • Available in a 32-pin TQFP package

Benefits:

  • The ATmega328P-AU is a low-cost, low-power microcontroller that is ideal for a wide range of applications.
  • Its small size and pin count make it ideal for space-constrained applications.
  • Its variety of peripherals makes it suitable for a wide range of tasks.
  • Its wide operating voltage range makes it compatible with a variety of power supplies.

Applications:

  • Battery-powered devices, such as smartphones, tablets, and wearables
  • IoT devices, such as smart home sensors and security cameras
  • Industrial devices, such as PLCs and sensors
  • Automotive devices, such as body control modules and airbags
  • Medical devices, such as pacemakers and insulin pumps
  • Consumer electronics, such as remote controls and toys

Example Applications:

  • Smart home thermostat
  • Smart security system
  • Wearable fitness tracker
  • Industrial PLC
  • Automotive airbag controller
  • Medical pacemaker
  • Consumer remote control
  • Toy robot
  • Arduino development board

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Popular Specs Surfaced First

Product Attribute

Part Status

Active

Product Attribute

Packaging

Tray

Product Attribute

REACH Status

REACH Unaffected

Product Attribute

ECCN

EAR99

Product Attribute

Lead Free

Lead Free

Product Attribute

Mounting Type

Surface Mount

Part Status
Active
Packaging
Tray
REACH Status
REACH Unaffected
ECCN
EAR99
Lead Free
Lead Free
Mounting Type
Surface Mount
Published
1997
Factory Lead Time
6 Weeks
Categories
Integrated Circuits (ICs)
Peak Reflow Temperature (Cel)
260
Terminal Form
GULL WING
Supply Voltage
5V
Technology
CMOS
Terminal Position
QUAD
Operating Temperature
-40°C~85°C TA
Subcategory
Microcontrollers
Sub-Categories
Embedded - Microcontrollers
Frequency
20MHz
Manufacturer
Microchip Technology
Package / Case
32-TQFP
Series
AVR® ATmega
Interface
2-Wire, I2C, SPI, UART, USART
Base Part Number
ATMEGA328P
Radiation Hardening
No
Reflow Temperature-Max (S)
40
Number Of ADC Channels
8
Mount
Surface Mount
Pbfree Code
yes
Height
1.2mm
EEPROM Size
1K x 8
Length
7mm
Number Of Terminations
32
Number Of Pins
32
Width
7mm
Number Of I/O
23
Manufacturer'S Part No.
ATMEGA328P-AU
JESD-609 Code
e3
RoHS Status
ROHS3 Compliant
REACH SVHC
No SVHC
Moisture Sensitivity Level (MSL)
3 (168 Hours)
HTSUS
8542.31.0001
Oscillator Type
Internal
UPs/UCs/Peripheral ICs Type
MICROCONTROLLER, RISC
Connectivity
I2C, SPI, UART/USART
RAM Size
2K x 8
Memory Size
32kB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Data Converter
A/D 8x10b
Core Size
8-Bit
Terminal Finish
Matte Tin (Sn) - annealed
Core Processor
AVR
Power Supplies
2/5V
Program Memory Size
32KB 16K x 16
Number Of Timers/Counters
3
Bit Size
8
Program Memory Type
FLASH
DMA Channels
NO
Data Bus Width
8b
Watchdog Timer
Yes
Supply Voltage-Max (Vsup)
5.5V
Has ADC
YES
Number Of A/D Converters
1
Supply Voltage-Min (Vsup)
4.5V
Number Of PWM Channels
6
Voltage - Supply (Vcc/Vdd)
1.8V~5.5V
Supply Current-Max
9mA

Common questions

Product FAQ

Quick answers for buyers reviewing ATMEGA328P-AU, stock, documentation, and sourcing steps.

What is ATMEGA328P-AU?

ATMEGA328P-AU is a Embedded - Microcontrollers component from Microchip Technology. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.

What package and description are listed for ATMEGA328P-AU?

ATMEGA328P-AU is listed with package reference TQFP. The current product description is IC MCU 8BIT 32KB FLASH 32TQFP, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.

Is ATMEGA328P-AU available in stock?

This page currently shows 130570 units in stock and 82959 units available for ATMEGA328P-AU. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.

Can I request a quote or sample for ATMEGA328P-AU?

Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for ATMEGA328P-AU by Microchip Technology. The TrustCompo team can review price, availability, and documentation support.

Is a datasheet available for ATMEGA328P-AU?

Yes. This page links to the datasheet for ATMEGA328P-AU by Microchip Technology, so engineers and buyers can review package, ratings, and application details before purchase.

How should buyers verify ATMEGA328P-AU before ordering?

Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for ATMEGA328P-AU before approving the order.

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