Microchip TechnologyATMEGA328-PU Microchip Technology MicrocontrollerMicrocontrollers - MCUs
MCU 8-bit AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP W Tube
Microchip Technology ATMEGA328-PU Product Description
The ATMEGA328-PU from Microchip Technology is the famed through-hole MCU behind the brilliance of the Arduino UNO. This 20MHz, 1.8 - 5.5V microcontroller has enabled fast prototyping all over the world, and is now being designed in to a variety of products given its design cycle flexibility. The ATMEGA328-PU comes in a 28-lead, 0.300” wide, PDIP package and has an industrial temperature operation range from -40C to 85C. The ATmega328pu is supported with a full suite of program and system development tools. Microchip uses high density nonvolatile memory technology in manufacturing this device. Features include 32kbytes of in-system programmable Flash with readwhile-write capabilities.
ATMEGA328-PU by Microchip Technology Product Video
Product Aliases for ATMEGA328-PU
Common product aliases for the ATMEGA328-PU include atmega 328, atmega 328 microcontroller, at mega 328, and atmega328pu. This product is part of the atmega328p family of products.
The ATMEGA328-PU is associated with the following product categories: Microcontroller, avr microcontroller, 8-bit microcontroller. Arrow Electronics carries a wide variety of products within these categories.
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Arrow Electronics is a certified Microchip distributor, offering a variety of products. Sometimes referred to as Microchip Tech or simply Microchip, Microchip Technology products include microcontrollers and memory. Arrow Electronics is an official source for Microchip datasheets, schematics, and other product documentation.
ATMEGA328-PU Microchip Datasheet
Download ATMEGA328-PU Datasheet
Datasheet Snippet: The picoPower® ATmega328/P is a low-power CMOS 8-bit microcontroller based on the AVR® enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega328/P achieves throughputs close to 1 MIPS per MHz. This empowers system designers to optimize the device for power consumption versus processing speed.
If looking for a different Microchip datasheet, atmega328p datasheet, or atmega328 datasheet, please view our comprehensive library of Arrow Electronics datasheets.
ATMEGA 328 Specifications
| Compliant | |
| EAR99 | |
| Active | |
| 8542.31.00.15 | |
| Automotive | No |
| PPAP | No |
| ATmega | |
| RISC | |
| AVR | |
| AVR | |
| 20 | |
| 20 | |
| 8 | |
| Flash | |
| 32KB | |
| 2KB | |
| Yes | |
| CMOS | |
| SPI/TWI/USART | |
| 23 | |
| 3 | |
| 16 | |
| 6 | |
| Single | |
| 8 | |
| 10 | |
| 1 | |
| 0 | |
| 0 | |
| 2 | |
| 0 | |
| 0 | |
| 0 | |
| 0 | |
| 1 | |
| 1 | |
| No | |
| No | |
| 1.8 | |
| 2.5|3.3|5 | |
| 5.5 | |
| -40 | |
| 85 | |
| Industrial | |
| Tube | |
| Mounting | Through Hole |
| Package Height | 3.28(Max) |
| Package Width | 6.76(Max) |
| Package Length | 37.4(Max) |
| PCB changed | 28 |
| Standard Package Name | DIP |
| Supplier Package | PDIP W |
| 28 | |
| Lead Shape | Through Hole |