Datasheets
ATMEGA328-PU by:
Microchip Technology Inc
Atmel Corporation
Microchip Technology Inc
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IC MCU 8BIT 32KB FLASH 28DIP

Part Details for ATMEGA328-PU by Microchip Technology Inc

Results Overview of ATMEGA328-PU by Microchip Technology Inc

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Applications Education and Research Aerospace and Defense Agriculture Technology Robotics and Drones

ATMEGA328-PU Information

ATMEGA328-PU by Microchip Technology Inc is a Microcontroller.
Microcontrollers are under the broader part category of Microcontrollers and Processors.

Microcontrollers (MCUs) are small, low-power integrated circuits used to control embedded systems. Microcontrollers are primarily used to automate and control devices. Read more about Microcontrollers and Processors on our Microcontrollers and Processors part category page.

Price & Stock for ATMEGA328-PU

Part # Distributor Description Stock Price Buy
DISTI # 68T2932
Newark Microcontroller Mcu, 8 Bit, Atmega, 20Mhz, Dip-28, Product Range:Avr Atmega Family Atmega328 Series... Microcontrollers, Device Core:Avr, Operating Frequency Max:20Mhz, Program Memory Size:32Kb, No. Of Pins:28Pins, Ic Case/Package:Diprohs Compliant: Yes |Microchip ATMEGA328-PU more RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 1908
  • 1 $2.5700
  • 10 $2.5700
  • 28 $2.3900
  • 56 $2.3900
  • 112 $2.2300
$2.2300 / $2.5700 Buy Now
DISTI # ATMEGA328-PU-ND
DigiKey IC MCU 8BIT 32KB FLASH 28DIP Min Qty: 1 Lead time: 6 Weeks Container: Tube 29850
In Stock
  • 1 $2.6300
  • 25 $2.4000
  • 100 $2.1900
$2.1900 / $2.6300 Buy Now
DISTI # 68T2932
Avnet Americas MCU 8-bit ATmega AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP - Bulk (Alt: 68T2932) RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Lead time: 8 Weeks, 4 Days Container: Bulk 1825 Partner Stock
  • 1 $2.7400
  • 10 $2.6800
  • 28 $2.6400
  • 56 $2.5900
  • 112 $2.5500
$2.5500 / $2.7400 Buy Now
DISTI # ATMEGA328-PU
Avnet Americas MCU 8-bit ATmega AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP - Rail/Tube (Alt: ATMEGA328-PU) RoHS: Not Compliant Min Qty: 280 Package Multiple: 14 Lead time: 6 Weeks, 0 Days Container: Tube 0
  • 280 $2.2588
  • 308 $2.2403
  • 588 $2.2217
  • 1,400 $2.2032
  • 2,800 $2.1847
$2.1847 / $2.2588 Buy Now
DISTI # 556-ATMEGA328-PU
Mouser Electronics 8-bit Microcontrollers - MCU AVR 32K FLSH 1K EE2K SRAM-20MHz IND RoHS: Compliant 2276
  • 1 $2.6300
  • 28 $2.4000
  • 112 $2.1900
$2.1900 / $2.6300 Buy Now
DISTI # V99:2348_07153300
Arrow Electronics MCU 8-bit AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP W Tube RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 6 Weeks Date Code: 2316 Americas - 148
  • 1 $2.4450
  • 25 $2.3480
$2.3480 / $2.4450 Buy Now
DISTI # ATMEGA328-PU
Microchip Technology Inc 20 MHz, PDIP, Ind Temp, Green, SPDIP, Projected EOL: 2039-11-14 RoHS: Compliant Lead time: 6 Weeks, 0 Days Container: Tube 4

Alternates Available

COO: Taiwan, Thailand
  • 1 $2.6300
  • 25 $2.4000
  • 100 $2.1900
  • 1,000 $2.0100
  • 5,000 $1.9200
$1.9200 / $2.6300 Buy Now
DISTI # 72623951
RS Microchip ATMEGA328-PU, 8bit AVR Microcontroller, ATmega, 20MHz | Microchip Technology Inc. ATMEGA32... 8-PU more RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 53 Weeks, 0 Days Container: Bulk 828
  • 1 $1.6700
$1.6700 Buy Now
Future Electronics 8-bit Microcontrollers - MCU AVR 32K FLSH 1K EE2K SRAM-20MHz IND RoHS: Compliant pbFree: Yes Min Qty: 1 Package Multiple: 1 Lead time: 6 Weeks Container: Bulk 2
Bulk
  • 1 $2.0600
  • 30 $2.0200
  • 100 $1.9900
  • 300 $1.9700
  • 1,000 $1.9100
$1.9100 / $2.0600 Buy Now
Onlinecomponents.com MCU - 8-bit AVR RISC - 32KB Flash - 2.5V/3.3V/5V - 28-Pin PDIP - Tube RoHS: Compliant 2142 In Stock
  • 14 $2.4900
  • 56 $2.3500
  • 252 $2.2000
  • 504 $2.1400
  • 1,008 $2.0600
  • 2,506 $2.0300
  • 5,012 $2.0000
  • 7,504 $1.9700
$1.9700 / $2.4900 Buy Now
DISTI # 69066881
Verical MCU 8-bit AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP W Tube RoHS: Compliant Min Qty: 14 Package Multiple: 1 Date Code: 2316 Americas - 2217
  • 14 $2.3375
$2.3375 Buy Now
DISTI # 67007286
Verical MCU 8-bit AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP W Tube RoHS: Compliant Min Qty: 28 Package Multiple: 14 Date Code: 2307 Americas - 2142
  • 28 $2.9294
  • 56 $2.7647
  • 252 $2.5882
  • 504 $2.5176
  • 1,008 $2.4235
$2.4235 / $2.9294 Buy Now
DISTI # 87336951
Verical MCU 8-bit AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP W Tube RoHS: Compliant Min Qty: 22 Package Multiple: 1 Americas - 596
  • 22 $2.7882
  • 28 $2.6000
  • 98 $2.5647
$2.5647 / $2.7882 Buy Now
DISTI # 70354096
Verical MCU 8-bit AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP W Tube RoHS: Compliant Min Qty: 3 Package Multiple: 1 Date Code: 2316 Americas - 148
  • 3 $2.4450
$2.4450 Buy Now
DISTI # ATMEGA328-PU
TME IC: AVR microcontroller, DIP28, 1.8÷5.5VDC, Ext.inter: 24, Cmp: 1 Min Qty: 1 703
  • 1 $2.7000
  • 5 $2.6300
  • 28 $2.4600
  • 98 $2.2200
$2.2200 / $2.7000 Buy Now
NAC 20 MHz, PDIP, Ind Temp, Green - Package: 28 SPDIP .300in TUBE RoHS: Compliant Min Qty: 140 Package Multiple: 14 Container: Tube 0
  • 1 $2.8500
  • 100 $2.5700
  • 500 $2.3700
  • 1,000 $2.3100
$2.3100 / $2.8500 Buy Now
DISTI # ATMEGA328-PU
Avnet Silica MCU 8-bit ATmega AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP (Alt: ATMEGA328-PU) RoHS: Compliant Min Qty: 14 Package Multiple: 14 Lead time: 8 Weeks, 0 Days Silica - 0
Buy Now
DISTI # ATMEGA328-PU
EBV Elektronik MCU 8-bit ATmega AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP (Alt: ATMEGA328-PU) RoHS: Compliant Min Qty: 14 Package Multiple: 14 Lead time: 7 Weeks, 0 Days EBV - 140
Buy Now
LCSC AVR 20MHz PDIP-28 Microcontrollers (MCU/MPU/SOC) ROHS 27
  • 1 $4.1737
  • 10 $3.5969
  • 30 $3.2542
  • 100 $2.9069
  • 500 $2.7478
  • 1,000 $2.6744
$2.6744 / $4.1737 Buy Now
Master Electronics MCU - 8-bit AVR RISC - 32KB Flash - 2.5V/3.3V/5V - 28-Pin PDIP - Tube RoHS: Compliant 2142 In Stock
  • 14 $2.4900
  • 56 $2.3500
  • 252 $2.2000
  • 504 $2.1400
  • 1,008 $2.0600
  • 2,506 $2.0300
  • 5,012 $2.0000
  • 7,504 $1.9700
$1.9700 / $2.4900 Buy Now
Win Source Electronics IC MCU 8BIT 32KB FLASH 28DIP 11200
  • 19 $2.6909
  • 40 $2.5173
  • 62 $2.4305
  • 89 $2.2569
  • 116 $2.1701
  • 145 $2.0833
$2.0833 / $2.6909 Buy Now

Part Details for ATMEGA328-PU

ATMEGA328-PU CAD Models

ATMEGA328-PU Part Data Attributes

ATMEGA328-PU Microchip Technology Inc
Buy Now Datasheet
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ATMEGA328-PU Microchip Technology Inc IC MCU 8BIT 32KB FLASH 28DIP
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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer MICROCHIP TECHNOLOGY INC
Package Description DIP-28
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.31.00.01
Factory Lead Time 8 Weeks, 4 Days
Samacsys Manufacturer Microchip
Has ADC YES
Additional Feature IT ALSO OPERATES 1.8V AT 4 MHZ
Address Bus Width
Bit Size 8
Boundary Scan NO
CPU Family AVR RISC
Clock Frequency-Max 20 MHz
DAC Channels YES
DMA Channels NO
External Data Bus Width
Format FIXED POINT
Integrated Cache NO
JESD-30 Code R-PDIP-T28
JESD-609 Code e3
Length 34.67 mm
Low Power Mode YES
Number of External Interrupts 2
Number of I/O Lines 23
Number of Serial I/Os 1
Number of Terminals 28
Number of Timers 3
On Chip Data RAM Width 8
On Chip Program ROM Width 16
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
PWM Channels YES
Package Body Material PLASTIC/EPOXY
Package Code DIP
Package Equivalence Code DIP28,.3
Package Shape RECTANGULAR
Package Style IN-LINE
Qualification Status Not Qualified
RAM (bytes) 2048
RAM (words) 2048
ROM (words) 16384
ROM Programmability FLASH
Seated Height-Max 5.08 mm
Speed 20 MHz
Supply Current-Max 12 mA
Supply Voltage-Max 5.5 V
Supply Voltage-Min 5 V
Supply Voltage-Nom 5 V
Surface Mount NO
Technology CMOS
Temperature Grade INDUSTRIAL
Terminal Finish Matte Tin (Sn)
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position DUAL
Width 7.62 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC

ATMEGA328-PU Related Parts

ATMEGA328-PU Frequently Asked Questions (FAQ)

  • The maximum clock frequency for the ATMEGA328-PU is 20 MHz.

  • The ATMEGA328-PU has 32 KB of flash memory.

  • Yes, the ATMEGA328-PU can operate with a power supply voltage between 1.8V and 5.5V, including 3.3V.

  • The current consumption of the ATMEGA328-PU in sleep mode is typically around 0.1-1.5 mA, depending on the sleep mode and clock frequency.

  • Yes, the ATMEGA328-PU can be used with an external crystal oscillator, and it has a built-in phase-locked loop (PLL) for frequency multiplication.