{"product_id":"atmega328p-pu-8-bit-avr-microcontroller-dip-28-original","title":"ATMEGA328P-PU 8-Bit AVR Microcontroller DIP-28 Original","description":"\n\u003ch2\u003eATMEGA328P-PU 8-Bit AVR Microcontroller – Original DIP-28 IC Chip\u003c\/h2\u003e\n\u003cp\u003ePower your next embedded project with the \u003cstrong\u003egenuine ATMEGA328P-PU\u003c\/strong\u003e — Atmel's widely trusted 8-bit AVR microcontroller in the classic DIP-28 through-hole package. Whether you're building an Arduino-compatible circuit from scratch, prototyping on a breadboard, or replacing a chip in an existing design, this authentic IC delivers reliable, full-spec performance every time.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine Original IC:\u003c\/strong\u003e Authentic ATMEGA328P-PU — not a clone or remarked chip — so you get accurate specs and consistent behavior.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8-Bit AVR Architecture:\u003c\/strong\u003e High-performance, low-power RISC core running up to 20 MHz with 131 instructions for fast, efficient execution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e32KB Flash Program Memory:\u003c\/strong\u003e Ample storage for sketches and firmware with self-programming capability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2KB SRAM \u0026amp; 1KB EEPROM:\u003c\/strong\u003e Onboard data memory for variables and non-volatile storage for settings and calibration values.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIP-28 Through-Hole Package:\u003c\/strong\u003e Breadboard- and socket-friendly form factor — perfect for prototyping and easy chip swapping.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e23 Programmable I\/O Lines:\u003c\/strong\u003e Flexible GPIO with PWM, SPI, I²C (TWI), USART, and a 6-channel 10-bit ADC.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino UNO Compatible:\u003c\/strong\u003e The same MCU used on the Arduino UNO board — pre-bootloader-ready or program it your own way via ISP.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Voltage:\u003c\/strong\u003e 1.8V–5.5V operating range suits both 3.3V and 5V systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eATMEGA328P-PU\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eArchitecture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8-bit AVR RISC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Clock Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlash Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32KB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSRAM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2KB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEEPROM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1KB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O Pins\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eADC Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 × 10-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIP-28\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.8V – 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThe ATMEGA328P-PU is ideal for \u003cstrong\u003ehobbyists, students, educators, and professional engineers\u003c\/strong\u003e who need a dependable, well-documented AVR MCU. Use it for Arduino UNO replacements, standalone microcontroller builds, robotics controllers, sensor interfaces, and countless other embedded applications.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking to expand your electronics toolkit? Check out our \u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003e4\/6mm CCB Flat Round Spacer Beads\u003c\/a\u003e for craft projects, or explore our \u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire for DIY Making\u003c\/a\u003e for flexible hobby wire. For natural stone accents in your builds or gifts, browse our \u003ca href=\"\/products\/clear-quartz-round-natural-stone-beads-jewelry-making\"\u003eClear Quartz Round Natural Stone Beads\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this ATMEGA328P-PU genuine and original?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This is an authentic, original ATMEGA328P-PU microcontroller — not a clone or counterfeit chip. You can expect full datasheet-rated performance including 32KB Flash, 2KB SRAM, and accurate ADC readings right out of the package.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the ATMEGA328P-PU compatible with Arduino UNO?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The ATMEGA328P-PU is the exact MCU used on the Arduino UNO. You can program it with the Arduino IDE via an ISP programmer or load the Arduino bootloader to use it with a USB-to-serial adapter.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the DIP-28 package and why does it matter?\u003c\/h4\u003e\n\u003cp\u003eA: DIP-28 (Dual In-line Package, 28 pins) is a through-hole format that fits directly into standard breadboards and IC sockets without soldering, making it ideal for prototyping, swapping chips, and beginner-friendly circuit building.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What programming interfaces does the ATMEGA328P-PU support?\u003c\/h4\u003e\n\u003cp\u003eA: The chip supports In-System Programming (ISP\/SPI), JTAG, and a High-Voltage Serial\/Parallel interface, giving you multiple options for flashing firmware using tools like USBasp, AVR Dragon, or an Arduino acting as an ISP programmer.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this ATMEGA328P-PU genuine and original?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This is an authentic, original ATMEGA328P-PU microcontroller — not a clone or counterfeit chip. You can expect full datasheet-rated performance including 32KB Flash, 2KB SRAM, and accurate ADC readings right out of the package.\"}}, {\"@type\": \"Question\", \"name\": \"Is the ATMEGA328P-PU compatible with Arduino UNO?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The ATMEGA328P-PU is the exact MCU used on the Arduino UNO. 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