What is ATMEGA328-AU?
ATMEGA328-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.
Supply original ATMEGA328-AU, Embedded - Microcontrollers, by Microchip Technology
IC MCU 8BIT 32KB FLASH 32TQFP
RoHS
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Key specifications
Serise
AVR® ATmega
Min Quantity
1
Category
Integrated Circuits (ICs)Sub Categroy
Embedded - MicrocontrollersDescription
IC MCU 8BIT 32KB FLASH 32TQFP
key Attributes
-
Technical document
Open The Official Datasheet
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Trust signals
Globally recognized 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.
Authenticity Verification
CoC Available on Request
Pre-Shipment Inspection
Responsive RFQ Support
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Our quality workflow is designed to reduce counterfeit risk and support confident procurement. Components are reviewed through documented handling and inspection steps so buyers can evaluate sourcing with stronger authenticity controls.
Structured product content
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Product overview
Overview
The ATMEGA328-AU is a high-performance, low-power microcontroller from Microchip Technology. It belongs to the AVR® 8-bit RISC-based microcontroller family, offering advanced features suitable for a wide range of applications.
Key Features:
- Architecture: 8-bit AVR RISC
- CPU Speed: Up to 20 MHz
- Flash Memory: 32 KB
- SRAM: 2 KB
- EEPROM: 1 KB
- Operating Voltage: 1.8V to 5.5V
- Digital I/O Pins: 23
- Analog Input Pins: 6
- PWM Channels: 6
- Communication Interfaces: UART, SPI, I2C
- Timers: 2 (8-bit), 1 (16-bit)
- ADC Resolution: 10-bit
- Power Consumption: Low power consumption with multiple sleep modes
- Package/Case: TQFP-32
Applications:
- Embedded Systems: Suitable for various embedded applications requiring moderate processing power and I/O capabilities.
- IoT Devices: Used in Internet of Things (IoT) applications for sensor interfacing, data processing, and communication.
- Consumer Electronics: Found in consumer products like remote controls, toys, and small appliances.
- Industrial Control: Used in industrial automation and control systems for monitoring and control tasks.
- Smart Sensors: Ideal for interfacing with sensors and processing sensor data.
- Educational Tools: Widely used in educational settings for teaching microcontroller programming and electronics.
Full technical breakdown
Detailed Specifications
Review grouped attributes and parameters without scanning one oversized table.
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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
7 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
Contact Plating
Tin
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
Number Of Terminations
32
Number Of Pins
32
Width
7.1mm
Length
7.1mm
Number Of I/O
23
Base Part Number
ATMEGA328
Manufacturer'S Part No.
ATMEGA328-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
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
Number Of I2C Channels
1
Supply Voltage-Max (Vsup)
5.5V
Has ADC
YES
Supply Voltage-Min (Vsup)
4.5V
Number Of PWM Channels
6
Voltage - Supply (Vcc/Vdd)
1.8V~5.5V
Common questions
Product FAQ
Quick answers for buyers reviewing ATMEGA328-AU, stock, documentation, and sourcing steps.
What package and description are listed for ATMEGA328-AU?
ATMEGA328-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 ATMEGA328-AU available in stock?
This page currently shows 49745 units in stock and 49745 units available for ATMEGA328-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 ATMEGA328-AU?
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for ATMEGA328-AU by Microchip Technology. The TrustCompo team can review price, availability, and documentation support.
Is a datasheet available for ATMEGA328-AU?
Yes. This page links to the datasheet for ATMEGA328-AU by Microchip Technology, so engineers and buyers can review package, ratings, and application details before purchase.
How should buyers verify ATMEGA328-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 ATMEGA328-AU before approving the order.
Embedded - Microcontrollers
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