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ATMEGA328-MU

Microchip Technology

ATMEGA328-MU by Microchip Technology

ATMEGA328-MU by Microchip Technology is an 8-bit microcontroller with 32 terminals, operating at a max frequency of 20 MHz. It features 2 external interrupts, 8 ADC channels, and 23 I/O lines. Ideal for industrial applications requiring low power consumption and connectivity via SPI, TWI, and USART interfaces.

Median Price

$2.348

Lifecycle Status

Suppliers In-Stock

21

In-Stock Inventory

1k+

Distributors (Authorized)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Arrow

USA . 233 parts In-Stock

1+ parts

$1.483

100+ parts

$1.414

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-

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233

$1.483

$1.414

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Farnell

UK . 2,374 parts In-Stock

1+ parts

$2.265

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2,374

$2.265

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DigiKey

USA . 3,628 parts In-Stock

1+ parts

$2.420

100+ parts

$2.010

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-

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3,628

$2.420

$2.010

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Microchip Technology

USA . 2,071 parts In-Stock

1+ parts

$2.420

100+ parts

$2.010

1k+ parts

$1.850

10k+ parts

$1.770

2,071

$2.420

$2.010

$1.850

$1.770

Mouser Electronics

USA . 224 parts In-Stock

1+ parts

$2.420

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-

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224

$2.420

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Element14

Singapore . 2,374 parts In-Stock

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$2.473

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2,374

$2.473

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Newark

USA . 923 parts In-Stock

1+ parts

$2.490

100+ parts

$2.070

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923

$2.490

$2.070

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Master Electronics

USA . 905 parts In-Stock

1+ parts

-

100+ parts

$1.770

1k+ parts

$1.680

10k+ parts

$1.640

905

-

$1.770

$1.680

$1.640

Verical

USA . 900 parts In-Stock

1+ parts

-

100+ parts

$2.082

1k+ parts

$2.012

10k+ parts

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900

-

$2.082

$2.012

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RS (Exports)

UK . 845 parts In-Stock

1+ parts

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100+ parts

$2.348

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845

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$2.348

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Future Electronics

Canada . 490 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

$1.900

10k+ parts

$1.880

490

-

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$1.900

$1.880

EBV Elektronik

Germany . 490 parts In-Stock

1+ parts

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490

-

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Distributors (In-Stock)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Digiode

USA . 742 parts In-Stock

1+ parts

$2.136

100+ parts

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742

$2.136

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Nova Conductors

Japan . 550 parts In-Stock

1+ parts

$2.350

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550

$2.350

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NAC Semi

USA . 1,960 parts In-Stock

1+ parts

$2.600

100+ parts

$2.350

1k+ parts

$2.110

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1,960

$2.600

$2.350

$2.110

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Chip Stock

USA . 38,500 parts In-Stock

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38,500

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VNN

France . 5,949 parts In-Stock

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5,949

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Vyrian

USA . 2,828 parts In-Stock

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2,828

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Electro Sonic

Canada . 980 parts In-Stock

1+ parts

-

100+ parts

$2.110

1k+ parts

$1.930

10k+ parts

$1.900

980

-

$2.110

$1.930

$1.900

IBS Electronics

USA . 980 parts In-Stock

1+ parts

-

100+ parts

$2.482

1k+ parts

$2.356

10k+ parts

$2.328

980

-

$2.482

$2.356

$2.328

SPM Sales

USA . 40 parts In-Stock

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40

-

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Distributors (Availability)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Ampacity Inc.

Singapore . 2,819 parts In-Stock

1+ parts

$1.690

100+ parts

-

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10k+ parts

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2,819

$1.690

-

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Semicontronic

India . 2,212 parts In-Stock

1+ parts

$1.690

100+ parts

$1.648

1k+ parts

$1.639

10k+ parts

-

2,212

$1.690

$1.648

$1.639

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Corphita

USA . 216 parts In-Stock

1+ parts

$2.023

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216

$2.023

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Aranea Global

USA . 500 parts In-Stock

1+ parts

$2.303

100+ parts

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1k+ parts

$2.211

10k+ parts

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500

$2.303

-

$2.211

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Argo Parts USA

USA . 4,691 parts In-Stock

1+ parts

$2.350

100+ parts

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4,691

$2.350

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Modulus Dynamics

Lithuania . 35 parts In-Stock

1+ parts

$2.387

100+ parts

$2.363

1k+ parts

$2.291

10k+ parts

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35

$2.387

$2.363

$2.291

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Microchip USA

USA . 1,459 parts In-Stock

1+ parts

$16.510

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1,459

$16.510

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Corohmni

South Africa . 99 parts In-Stock

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$46.297

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99

$46.297

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Advanced Electronics

New Zealand . 5,000 parts In-Stock

1+ parts

$48.516

100+ parts

$46.090

1k+ parts

$46.090

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5,000

$48.516

$46.090

$46.090

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Aztec Data Supply Inc.

USA . 2,183 parts In-Stock

1+ parts

$49.060

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2,183

$49.060

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QUARKTWIN TECHNOLOGY LTD

USA . 21,420 parts In-Stock

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21,420

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Eastek

USA . 10,780 parts In-Stock

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10,780

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Lixinc

USA . 9,386 parts In-Stock

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9,386

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Epart123

USA . 4,900 parts In-Stock

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$16.500

4,900

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$16.500

West Coast Incorporated

USA . 4,086 parts In-Stock

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4,086

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Perfect Parts

USA . 3,432 parts In-Stock

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3,432

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Futuretech Components

Singapore . 3,000 parts In-Stock

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3,000

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Continental Prestige Electronics

USA . 2,420 parts In-Stock

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2,420

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S.R.D Solutions

India . 2,000 parts In-Stock

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2,000

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Supply Digital

USA . 1,339 parts In-Stock

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1,339

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Allen Electronics Distributors

USA . 925 parts In-Stock

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925

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Component Stockers USA

USA . 633 parts In-Stock

1+ parts

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100+ parts

$1.940

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633

-

$1.940

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Glotronic Ltd.

UK . 384 parts In-Stock

1+ parts

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384

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Robosynatics

Brazil . 350 parts In-Stock

1+ parts

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100+ parts

$13.442

1k+ parts

$13.442

10k+ parts

$13.442

350

-

$13.442

$13.442

$13.442

Lucentia Tech

USA . 350 parts In-Stock

1+ parts

-

100+ parts

$13.442

1k+ parts

$13.442

10k+ parts

$13.442

350

-

$13.442

$13.442

$13.442

Overview

Unlock endless possibilities with the ATMEGA328-MU by Microchip Technology, a high-quality microcontroller that guarantees top performance in a compact package. Designed for industrial applications, this versatile chip offers customers unparalleled value with its low power mode, connectivity options, and extensive peripherals. Trust in the reliability of Microchip Technology and revolutionize your projects with the ATMEGA328-MU.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

Provides durability and protection for the microcontroller, making it suitable for various environments.

Surface Mount: YES

Allows for easy installation and integration onto PCBs, saving space and reducing assembly time.

Maximum Supply Voltage: 5.5 V

Offers flexibility in power supply options and compatibility with a wide range of applications.

On Chip Data RAM Width: 8

Provides sufficient memory capacity for data storage and processing tasks.

Package Shape: SQUARE

Facilitates efficient layout and placement on PCBs, optimizing space utilization.

Bit Size: 8

Ideal for handling basic arithmetic and logic operations efficiently.

DAC Channels: YES

Enables analog signal generation for various applications such as audio processing or sensor interfacing.

Power Supplies (V): 2/5

Offers flexibility in power input options, enabling compatibility with different power sources.

No. of Terminals: 32

Provides sufficient I/O interfaces for connecting external devices and sensors.

Package Style (Meter): CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

Offers multiple package styles for different mounting and thermal management requirements.

Minimum Supply Voltage: 4.5 V

Ensures stable operation even under lower voltage conditions, increasing reliability.

Maximum Operating Temperature: 85 °C

Suitable for industrial applications where higher temperature tolerance is essential.

CPU Family: AVR RISC

Utilizes a proven RISC architecture for efficient data processing and program execution.

No. of External Interrupts: 2

Allows the microcontroller to respond to external events promptly, enhancing real-time capabilities.

Minimum Operating Temperature: -40 °C

Enables operation in harsh environments with low temperature conditions.

Terminal Finish: MATTE TIN

Provides good conductivity and solderability for reliable connections on PCBs.

ADC Channels: YES

Enables accurate analog-to-digital conversion for sensor data acquisition and processing.

Terminal Position: QUAD

Facilitates easier PCB layout and soldering of the microcontroller.

ROM Words: 16384

Offers sufficient memory for storing program instructions and data.

Maximum Seated Height: 1 mm

Suitable for compact device designs with limited vertical space.

RAM Words: 2048

Provides ample space for storing and manipulating data during runtime operations.

Technical Specifications

Microcontrollers ATMEGA328-MU attributes and parameters. Explore more Microcontrollers devices from Microchip Technology

Specs

ADC Channels:

YES

Additional Features:

IT ALSO OPERATES 1.8V AT 4 MHZ

Address Bus Width:

0

Bit Size:

8

Boundary Scan:

NO

CPU Family:

AVR RISC

Maximum Clock Frequency:

20 MHz

DAC Channels:

YES

DMA Channels:

NO

External Data Bus Width:

0

Format:

FIXED POINT

Integrated Cache:

NO

JESD-30 Code:

S-PQCC-N32

JESD-609 Code:

e3

Length:

5 mm

Low Power Mode:

YES

Moisture Sensitivity Level (MSL):

3

No. of External Interrupts:

2

No. of I/O Lines:

23

No. of Serial I/Os:

1

No. of Terminals:

32

No. of Timers:

3

On Chip Data RAM Width:

8

On Chip Program ROM Width:

16

Maximum Operating Temperature:

85 Cel

Minimum Operating Temperature:

-40 Cel

PWM Channels:

YES

Package Body Material:

PLASTIC/EPOXY

Package Code:

Package Equivalence Code:

LCC32,.2SQ,20

Package Shape:

Package Style (Meter):

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

Power Supplies (V):

2/5

Qualification:

Not Qualified

RAM Bytes:

2048

RAM Words:

2048

ROM Words:

16384

ROM Programmability:

FLASH

Maximum Seated Height:

1 mm

Speed:

20 rpm

Sub-Category:

Microcontrollers

Maximum Supply Current:

12 mA

Maximum Supply Voltage:

5.5 V

Minimum Supply Voltage:

4.5 V

Nominal Supply Voltage:

5 V

Surface Mount:

YES

Technology:

CMOS

Temperature Grade:

Terminal Finish:

MATTE TIN

Terminal Form:

Terminal Pitch:

.5 mm

Terminal Position:

QUAD

Width:

5 mm

Peripheral IC Type:

Data EEPROM Size:

1024

Connectivity:

SPI, TWI, USART

Peripherals:

BOD, COMPARATOR, POR, PWM(6), TIMER(3), WDT

Analog To Digital Convertors:

8-Ch 10-Bit

Trade Compliance

ATMEGA328-MU Peripheral ICs trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8542.31.00.01

SB

8542.31.00.00

PCN

Manufacturer Highlights

Microchip Technology

Microchip Technology Incorporated is a leading provider of integrated circuit (IC) solutions for the global market. Founded in 1989, the company designs, manufactures, tests and markets state-of-the-art microcontrollers and analog devices for use in a wide array of electronics applications, such as the automotive industry, consumer electronics and industrial automation. Through its world-class production processes and technologies, Microchip Technology has become an innovator of semiconductor solutions that enable customers to maximize their performance while streamlining costs.

The material and information contained is this video is for educational and general information purposes. All rights remain with respective rightsholders. Fair Use Statement

Management team

President and CEO

Ganesh Moorthy

Executive Chair

Steve Sanghi

CFO, Senior VP

J. Eric Bjornholt

Manufacturer fab locations 9

Fab name Location Fab Initiation Wafer Capacity

Fab 5 - Colorado

Fabrication

Fab Initiation

1995

USA

Colorado Springs

Wafer Capacity

70,000

1995

70,000

Santa Clara

Fabrication

Fab Initiation

1990

USA

Santa Clara

Wafer Capacity

1,290

1990

1,290

Lawrence

Fabrication

Fab Initiation

1989

USA

Lawrence

Wafer Capacity

5,000

1989

5,000

Fab 4 - Gresham

Fabrication

Fab Initiation

1988

USA

Gresham

Wafer Capacity

50,000

1988

50,000

Fab 2 - Tempe

Fabrication

Fab Initiation

1994

USA

Tempe

Wafer Capacity

30,000

1994

30,000

Beverly

Fabrication

Fab Initiation

1985

USA

Beverly

Wafer Capacity

2,000

1985

2,000

Lowell

Fabrication

Fab Initiation

1986

USA

Lowell

Wafer Capacity

15,000

1986

15,000

Garden Grove

Fabrication

Fab Initiation

1985

USA

Garden Grove

Wafer Capacity

12,000

1985

12,000

New Fab - Gresham

Fabrication

Fab Initiation

2024

USA

Gresham

Wafer Capacity

2024

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