Datasheets
ATMEGA328P-PU by:

IC MCU 8BIT 32KB FLASH 28DIP

Part Details for ATMEGA328P-PU by Microchip Technology Inc

Results Overview of ATMEGA328P-PU by Microchip Technology Inc

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

ATMEGA328P-PU Information

ATMEGA328P-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 ATMEGA328P-PU

Part # Distributor Description Stock Price Buy
DISTI # 15R0268
Newark Mcu, 8Bit, Atmega, 20Mhz, Dip-28, Product Range:Avr Atmega Family Atmega328 Series Microcontrollers, Cpu Speed:20Mhz, Program Memory Size:32Kb, Ram Memory Size:2Kb, No. Of Pins:28Pins, Mcu Case Style:Dip, No. Of I/O S:23I/O S, Rohs Compliant: Yes |Microchip ATMEGA328P-PU RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 19754
  • 1 $2.8900
  • 10 $2.7700
  • 28 $2.6500
  • 56 $2.5200
  • 112 $2.3900
$2.3900 / $2.8900 Buy Now
DISTI # 68T2944
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 ATMEGA328P-PU RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 557
  • 1 $2.8900
  • 10 $2.7700
  • 28 $2.6500
  • 56 $2.5200
  • 112 $2.3900
$2.3900 / $2.8900 Buy Now
DISTI # ATMEGA328P-PU-ND
DigiKey IC MCU 8BIT 32KB FLASH 28DIP Min Qty: 1 Lead time: 8 Weeks Container: Tube 66474
In Stock
  • 1 $2.8900
  • 25 $2.6500
  • 100 $2.3900
$2.3900 / $2.8900 Buy Now
DISTI # 68T2944
Avnet Americas 8 Bit MCU, Low Power High Performance, AVR ATmega Family ATmega328 Series Microcontrollers - Bulk (Alt: 68T2944) RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 8 Weeks, 4 Days Container: Bulk 557 Partner Stock
  • 1 $3.0100
  • 10 $2.8800
  • 28 $2.7600
  • 56 $2.6200
  • 112 $2.4900
$2.4900 / $3.0100 Buy Now
DISTI # ATMEGA328P-PU
Avnet Americas 8 Bit MCU, Low Power High Performance, AVR ATmega Family ATmega328 Series Microcontrollers - Rail/Tube (Alt: ATMEGA328P-PU) RoHS: Compliant Min Qty: 252 Package Multiple: 14 Lead time: 8 Weeks, 0 Days Container: Tube 0
  • 252 $2.4786
  • 280 $2.4582
  • 532 $2.4379
  • 1,260 $2.4175
  • 2,520 $2.3973
$2.3973 / $2.4786 Buy Now
DISTI # 556-ATMEGA328P-PU
Mouser Electronics 8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V RoHS: Compliant 16377
  • 1 $2.8900
  • 28 $2.6500
  • 112 $2.3900
$2.3900 / $2.8900 Buy Now
DISTI # E54:1762_01131873
Arrow Electronics MCU 8-bit AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP W Tube RoHS: Compliant Min Qty: 14 Package Multiple: 14 Lead time: 8 Weeks Europe - 8232
  • 14 $1.1840
$1.1840 Buy Now
DISTI # V99:2348_07152932
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: 8 Weeks Date Code: 2321 Americas - 618
  • 1 $2.5760
$2.5760 Buy Now
DISTI # ATMEGA328P-PU
Microchip Technology Inc 20 MHZ, PDIP, IND TEMP, GREEN, SPDIP, Projected EOL: 2039-11-04 COO: Thailand ECCN: EAR99 RoHS: Compliant Lead time: 8 Weeks, 0 Days Container: Tube 0
683 On Order, Expected 6/23/2025

Alternates Available
  • 1 $2.8900
  • 25 $2.6500
  • 100 $2.3900
  • 1,000 $2.2000
  • 5,000 $2.1000
$2.1000 / $2.8900 Buy Now
DISTI # 72928977
RS Microcontroller, 8-BIT With 32 KB In-System Programmable Flash, ATMEGA Series Min Qty: 1 Package Multiple: 1 Lead time: 78 Weeks, 0 Days Container: Bulk 0
  • 1 $2.9200
  • 10 $2.7700
  • 50 $2.6300
  • 100 $2.4800
$2.4800 / $2.9200 RFQ
Onlinecomponents.com MCU - 8-bit AVR RISC - 32KB Flash - 2.5V/3.3V/5V - 28-Pin PDIP W - Tube RoHS: Compliant 2184 In Stock
  • 14 $2.7500
  • 56 $2.5200
  • 112 $2.4800
  • 252 $2.4200
  • 504 $2.3600
  • 1,008 $2.2700
  • 2,506 $2.2400
  • 5,012 $2.2000
$2.2000 / $2.7500 Buy Now
DISTI # 24450523
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: 14 Americas - 8232
  • 14 $5.4520
$5.4520 Buy Now
DISTI # 67586887
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: 2305 Americas - 2184
  • 28 $3.5750
  • 56 $3.2760
  • 112 $3.2240
  • 252 $3.1460
  • 504 $3.0680
$3.0680 / $3.5750 Buy Now
DISTI # 87363676
Verical MCU 8-bit AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP W Tube RoHS: Compliant Min Qty: 18 Package Multiple: 1 Americas - 794
  • 18 $3.9340
$3.9340 Buy Now
DISTI # 69262768
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: 2321 Americas - 618
  • 3 $2.5760
$2.5760 Buy Now
DISTI # 69726250
Verical MCU 8-bit AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP W Tube RoHS: Compliant Min Qty: 126 Package Multiple: 14 Americas - 154
  • 126 $4.0439
$4.0439 Buy Now
DISTI # 83138944
Verical MCU 8-bit AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP W Tube RoHS: Compliant Min Qty: 13 Package Multiple: 1 Date Code: 2323 Americas - 94
  • 13 $2.5300
  • 50 $2.5100
$2.5100 / $2.5300 Buy Now
Quest Components RISC MICROCONTROLLER, 8-BIT, FLASH, AVR RISC CPU, 20MHZ, CMOS, PDIP28 142
  • 1 $10.7400
  • 11 $7.1600
  • 36 $6.6230
$6.6230 / $10.7400 Buy Now
DISTI # ATMEGA328P-PU
TME IC: AVR microcontroller, DIP28, 1.8÷5.5VDC, Ext.inter: 24, Cmp: 1 Min Qty: 1 509
  • 1 $3.2500
  • 5 $3.1200
  • 28 $2.9000
  • 98 $2.6900
$2.6900 / $3.2500 Buy Now
DISTI # ATMEGA328P-PU
IBS Electronics MICROCHIP - ATMEGA328P-PU - MICROCONTROLLER MCU 8 BIT ATMEGA 20MHZ DIP-28 Min Qty: 14 Package Multiple: 1 2184
  • 14 $3.5750
  • 56 $3.2760
  • 112 $3.2240
  • 252 $3.1460
  • 504 $3.0680
  • 1,008 $2.9510
  • 2,506 $2.9120
  • 5,012 $2.8600
$2.8600 / $3.5750 Buy Now
NAC 20 MHZ, PDIP, IND TEMP, GREEN - Package: 28 SPDIP .300in TUBE RoHS: Compliant Min Qty: 1 Package Multiple: 14 Container: Tube 154
  • 1 $2.9900
  • 100 $2.7100
  • 500 $2.5400
  • 1,000 $2.4800
$2.4800 / $2.9900 Buy Now
DISTI # ATMEGA328P-PU
Avnet Silica 8 Bit MCU Low Power High Performance AVR ATmega Family ATmega328 Series Microcontrollers (Alt: ATMEGA328P-PU) RoHS: Compliant Min Qty: 14 Package Multiple: 14 Lead time: 10 Weeks, 0 Days Silica - 14
Buy Now
Cytech Systems Limited IC MCU 8BIT 32KB FLASH 28DIP 1176
RFQ
DISTI # ATMEGA328P-PU
EBV Elektronik 8 Bit MCU Low Power High Performance AVR ATmega Family ATmega328 Series Microcontrollers (Alt: ATMEGA328P-PU) RoHS: Compliant Min Qty: 14 Package Multiple: 14 Lead time: 9 Weeks, 0 Days EBV - 3248
Buy Now
LCSC AVR 20MHz DIP-28-300mil Microcontrollers (MCU/MPU/SOC) ROHS 300
  • 1 $2.7708
  • 10 $2.6365
  • 28 $2.5565
  • 98 $2.4750
  • 504 $2.4373
  • 1,120 $2.4207
$2.4207 / $2.7708 Buy Now
Master Electronics MCU - 8-bit AVR RISC - 32KB Flash - 2.5V/3.3V/5V - 28-Pin PDIP W - Tube RoHS: Compliant 2184 In Stock
  • 14 $2.7500
  • 56 $2.5200
  • 112 $2.4800
  • 252 $2.4200
  • 504 $2.3600
  • 1,008 $2.2700
  • 2,506 $2.2400
  • 5,012 $2.2000
$2.2000 / $2.7500 Buy Now

Part Details for ATMEGA328P-PU

ATMEGA328P-PU CAD Models

ATMEGA328P-PU Part Data Attributes

ATMEGA328P-PU Microchip Technology Inc
Buy Now Datasheet
Compare Parts:
ATMEGA328P-PU Microchip Technology Inc IC MCU 8BIT 32KB FLASH 28DIP
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Not Recommended
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
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 2.7 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 7.2 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC

ATMEGA328P-PU Related Parts

ATMEGA328P-PU Frequently Asked Questions (FAQ)

  • The maximum clock frequency for the ATMEGA328P-PU is 20 MHz.

  • The ATMEGA328P-PU has 32 KB of flash memory.

  • Yes, the ATMEGA328P-PU can operate with a power supply voltage between 1.8V and 5.5V, including 3.3V.

  • The current consumption of the ATMEGA328P-PU in sleep mode is typically around 0.1-1.5 mA, depending on the sleep mode and clock frequency.

  • Yes, the ATMEGA328P-PU can be used with an external crystal oscillator, and it has a built-in phase-locked loop (PLL) for frequency multiplication.

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