{"product_id":"atmega644-qfp-44-avr-microcontroller-ic-chip","title":"ATMEGA644 QFP-44 AVR Microcontroller IC Chip – 100% New","description":"\u003ch2\u003eATMEGA644 Series QFP-44 AVR Microcontroller IC Chip\u003c\/h2\u003e\n\u003cp\u003eGet reliable, 100% new ATMEGA644 series microcontroller chips in QFP-44 package format. These 8-bit AVR microcontrollers from Microchip (formerly Atmel) are ideal for embedded systems, electronics prototyping, DIY projects, and professional circuit board development. Each chip is brand new and fully functional straight out of the package.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eATMEGA644V-10AU\u003c\/li\u003e\n  \u003cli\u003eATMEGA644P-20AU\u003c\/li\u003e\n  \u003cli\u003eATMEGA644PV-10AU\u003c\/li\u003e\n  \u003cli\u003eATMEGA644-20AU\u003c\/li\u003e\n  \u003cli\u003eATMEGA644PA-AU\u003c\/li\u003e\n  \u003cli\u003eATMEGA644A-AU\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArchitecture:\u003c\/strong\u003e 8-bit AVR RISC-based microcontroller\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e QFP-44 (Quad Flat Package, 44-pin)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlash Memory:\u003c\/strong\u003e 64KB in-system programmable flash\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSRAM:\u003c\/strong\u003e 4KB internal SRAM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEEPROM:\u003c\/strong\u003e 2KB EEPROM storage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI\/O Pins:\u003c\/strong\u003e Up to 32 programmable I\/O lines\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e USART, SPI, TWI (I2C) interfaces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTimers:\u003c\/strong\u003e Two 8-bit timers and one 16-bit timer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 1.8V–5.5V (V variants) \/ 2.7V–5.5V (standard)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeed Grades:\u003c\/strong\u003e Up to 10 MHz or 20 MHz depending on variant\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e 100% Brand New\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × ATMEGA644 Series QFP-44 Microcontroller Chip (variant of your choice)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEmbedded systems and firmware development\u003c\/li\u003e\n  \u003cli\u003eArduino-compatible custom boards\u003c\/li\u003e\n  \u003cli\u003eRobotics and automation controllers\u003c\/li\u003e\n  \u003cli\u003eIndustrial control systems\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and hobbyist projects\u003c\/li\u003e\n  \u003cli\u003ePCB repair and component replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the ATMEGA644 variants (V, P, PV, PA, A)?\u003c\/h4\u003e\n\u003cp\u003eA: The ATMEGA644 series includes several variants optimized for different use cases. The \"V\" suffix denotes a low-voltage version (operates down to 1.8V), \"P\" indicates picoPower technology for ultra-low power consumption, \"PA\" combines picoPower with extended features, and \"A\" is an updated standard version. Speed grades of 10 MHz and 20 MHz are also available depending on the variant — check the part number carefully to select the right chip for your design.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this ATMEGA644 chip compatible with Arduino IDE?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the ATMEGA644 series is compatible with the Arduino IDE using the MightyCore board support package. This makes it a popular choice for developers who want more I\/O pins, more flash memory, and more SRAM than the standard Arduino Uno while still using familiar AVR tooling and libraries.\u003c\/p\u003e\n\u003ch4\u003eQ: What package type is this chip, and how do I solder it?\u003c\/h4\u003e\n\u003cp\u003eA: This chip comes in the QFP-44 (Quad Flat Package, 44-pin) surface-mount format. It is designed for SMD (surface-mount device) soldering onto a PCB. For prototyping, a QFP-44 breakout adapter board can be used to make it breadboard-compatible. Reflow soldering or careful hand soldering with flux is recommended.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the ATMEGA644 variants (V, P, PV, PA, A)?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ATMEGA644 series includes several variants optimized for different use cases. The \\\"V\\\" suffix denotes a low-voltage version (operates down to 1.8V), \\\"P\\\" indicates picoPower technology for ultra-low power consumption, \\\"PA\\\" combines picoPower with extended features, and \\\"A\\\" is an updated standard version. Speed grades of 10 MHz and 20 MHz are also available depending on the variant — check the part number carefully to select the right chip for your design.\"}}, {\"@type\": \"Question\", \"name\": \"Is this ATMEGA644 chip compatible with Arduino IDE?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, the ATMEGA644 series is compatible with the Arduino IDE using the MightyCore board support package. This makes it a popular choice for developers who want more I\/O pins, more flash memory, and more SRAM than the standard Arduino Uno while still using familiar AVR tooling and libraries.\"}}, {\"@type\": \"Question\", \"name\": \"What package type is this chip, and how do I solder it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This chip comes in the QFP-44 (Quad Flat Package, 44-pin) surface-mount format. It is designed for SMD (surface-mount device) soldering onto a PCB. For prototyping, a QFP-44 breakout adapter board can be used to make it breadboard-compatible. Reflow soldering or careful hand soldering with flux is recommended.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"ATMEGA644 QFP-44 AVR Microcontroller IC Chip – 100% New\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/atmega644-qfp-44-avr-microcontroller-ic-chip\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"ATMEGA644A-AU","offer_id":44166574440535,"sku":"5:100014066#ATMEGA644A-AU","price":38.13,"currency_code":"USD","in_stock":true},{"title":"ATMEGA644PA-AU","offer_id":44166574473303,"sku":"5:4#ATMEGA644PA-AU","price":14.96,"currency_code":"USD","in_stock":true},{"title":"ATMEGA644P-20AU","offer_id":44166574506071,"sku":"5:200004763#ATMEGA644P-20AU","price":34.88,"currency_code":"USD","in_stock":true},{"title":"ATMEGA644V-10AU","offer_id":44166574538839,"sku":"5:144170022#ATMEGA644V-10AU","price":37.8,"currency_code":"USD","in_stock":true},{"title":"ATMEGA644-20AU","offer_id":44166574571607,"sku":"5:200004183#ATMEGA644-20AU","price":24.95,"currency_code":"USD","in_stock":true},{"title":"ATMEGA644PV-10AU","offer_id":44166574604375,"sku":"5:200004182#ATMEGA644PV-10AU","price":34.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/S88adb4d89f8f4d318063a820a123b816Z.webp?v=1786740605","url":"https:\/\/axlcustomersupport.com\/products\/atmega644-qfp-44-avr-microcontroller-ic-chip","provider":"Axl","version":"1.0","type":"link"}