{"product_id":"atmega644-20mur","title":"ATMEGA644-20MUR","description":"\u003cp\u003eThe Microchip ATmega644 is a high-performance 8-bit AVR microcontroller with 64KB flash and 4KB RAM. Running at up to 20MHz, it delivers efficient processing for a wide range of embedded applications. Its 2.7V to 5.5V supply voltage range provides design flexibility. The 44-VFQFN package is compact and suitable for space-constrained designs. With features like brown-out detection, PWM, and watchdog timer, it ensures reliable operation in industrial and consumer products.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e 2.7V-5.5V simplifies power supply design and supports battery operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Speed for 8-bit:\u003c\/strong\u003e 20MHz enables fast response in real-time control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Flash:\u003c\/strong\u003e 64KB allows complex firmware without external memory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Package:\u003c\/strong\u003e VFQFN saves board space and improves thermal performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Operation:\u003c\/strong\u003e Brown-out reset and watchdog timer prevent system failures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIndustrial Control Systems\u003c\/h3\u003e\u003cp\u003eWith 20MHz speed and robust I\/O, it can handle real-time control of relays, sensors, and actuators in factory automation.\u003c\/p\u003e\u003ch3\u003eHome Automation Hubs\u003c\/h3\u003e\u003cp\u003eLow power consumption and wide voltage range make it ideal for smart home controllers that interface with various sensors and wireless modules.\u003c\/p\u003e\u003ch3\u003eAutomotive Aftermarket\u003c\/h3\u003e\u003cp\u003eOperating from 2.7V to 5.5V, it can be used in car electronics like window lift controllers and lighting systems.\u003c\/p\u003e\u003ch3\u003eMedical Monitoring Devices\u003c\/h3\u003e\u003cp\u003eReliable operation with brown-out detection ensures safe data logging in portable health monitors.\u003c\/p\u003e\u003ch3\u003eRobotics\u003c\/h3\u003e\u003cp\u003eMultiple PWM channels and 64KB flash allow implementation of motor control and sensor fusion for hobby and educational robots.\u003c\/p\u003e\u003ch3\u003eData Acquisition Systems\u003c\/h3\u003e\u003cp\u003eWith 4KB RAM and 20MHz, it can sample and process analog signals for environmental monitoring.\u003c\/p\u003e\u003ctable\u003e\n\u003ccolgroup\u003e\u003ccol\u003e\u003c\/colgroup\u003e \u003ctbody\u003e \u003ctr\u003e \t\u003ctd\u003eProduct attributes\u003c\/td\u003e \t\u003ctd\u003eProperty Value\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eManufacturer\u003c\/td\u003e \t\u003ctd\u003eMicrochip Technology\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003eAVR® ATmega\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003eCut Tape (CT) | Tape \u0026amp; Reel (TR)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCore Processor\u003c\/td\u003e \t\u003ctd\u003eAVR\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCore Size\u003c\/td\u003e \t\u003ctd\u003e8-Bit\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSpeed\u003c\/td\u003e \t\u003ctd\u003e20MHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eConnectivity\u003c\/td\u003e \t\u003ctd\u003eI2C, SPI, UART\/USART\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePeripherals\u003c\/td\u003e \t\u003ctd\u003eBrown-out Detect\/Reset, POR, PWM, WDT\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of I\/O\u003c\/td\u003e \t\u003ctd\u003e32\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Size\u003c\/td\u003e \t\u003ctd\u003e64KB (32K x 16)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Type\u003c\/td\u003e \t\u003ctd\u003eFLASH\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eEEPROM Size\u003c\/td\u003e \t\u003ctd\u003e2K x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eRAM Size\u003c\/td\u003e \t\u003ctd\u003e4K x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Vcc\/Vdd)\u003c\/td\u003e \t\u003ctd\u003e2.7V ~ 5.5V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eData Converters\u003c\/td\u003e \t\u003ctd\u003eA\/D 8x10b\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOscillator Type\u003c\/td\u003e \t\u003ctd\u003eInternal\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e-40°C ~ 85°C (TA)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eGrade\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eQualification AEC\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eMounting Type\u003c\/td\u003e \t\u003ctd\u003eSurface Mount\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e44-VQFN (7x7)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e44-VFQFN Exposed Pad\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e   \u003ctd\u003eROHS\u003c\/td\u003e   \u003ctd\u003e\u003cimg class=\"ROSHICON\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/ROHSICON.png?v=1757832376\"\u003e\u003c\/td\u003e  \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: What is the maximum clock speed?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: 20MHz, providing a good balance between speed and power consumption.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: What is the supply voltage range?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: 2.7V to 5.5V, allowing flexible power supply designs.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: How much flash memory is available?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: 64KB, sufficient for complex applications.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: Does it have a brown-out detector?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, it includes brown-out detection and reset for reliable operation.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: What package is this?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: 44-VFQFN exposed pad, compact and thermally efficient.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":50882320990497,"sku":"ATMEGA644-20MUR","price":6.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_313_44PW_44_ff1ede2e-3718-4f3c-ae90-a20117add4fd.jpg?v=1739196912","url":"https:\/\/hqickey.com\/products\/atmega644-20mur","provider":"HQICKEY","version":"1.0","type":"link"}