{"product_id":"atmega644pa-pu","title":"ATMEGA644PA-PU","description":"\u003cp\u003eThe Microchip ATMEGA644PA-PU is a high-performance 8-bit AVR microcontroller in a 40-pin DIP package. It delivers 64KB flash memory, 4KB SRAM, and operates at up to 20MHz with a wide 1.8V to 5.5V supply range. Built-in features include brown-out detection, power-on reset, PWM channels, and a watchdog timer, ensuring robust operation in demanding embedded applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Code Density:\u003c\/strong\u003e 64KB flash in a DIP package allows complex programs without external memory, reducing BOM cost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e 1.8V to 5.5V operation supports both 3.3V and 5V logic systems, simplifying design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough-Hole Package:\u003c\/strong\u003e 40-DIP enables easy soldering and socketing for prototyping and low-volume production.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Safety Features:\u003c\/strong\u003e Brown-out reset and watchdog timer enhance system reliability in noisy environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIndustrial Automation Controllers\u003c\/h3\u003e\u003cp\u003eThe 20MHz AVR core with 64KB flash provides ample processing and storage for PLC logic, sensor interfacing, and actuator control in industrial environments.\u003c\/p\u003e\u003ch3\u003eEmbedded Sensor Systems\u003c\/h3\u003e\u003cp\u003eWith 4KB SRAM and multiple PWM channels, it can handle data acquisition from analog sensors and generate precise control signals for motor speed regulation.\u003c\/p\u003e\u003ch3\u003ePrototyping and Education\u003c\/h3\u003e\u003cp\u003eThe 40-pin DIP package is breadboard-friendly, making it ideal for rapid prototyping, university labs, and hobbyist projects requiring a robust 8-bit MCU.\u003c\/p\u003e\u003ch3\u003eBattery-Powered Devices\u003c\/h3\u003e\u003cp\u003eOperating from 1.8V to 5.5V, it supports low-voltage battery operation with power-saving sleep modes, extending battery life in portable instruments.\u003c\/p\u003e\u003ch3\u003eAutomotive Aftermarket Modules\u003c\/h3\u003e\u003cp\u003eThe -40°C to 85°C temperature range and WDT ensure reliable operation in automotive interior modules like window controls or seat memory units.\u003c\/p\u003e\u003ch3\u003eHVAC Control Boards\u003c\/h3\u003e\u003cp\u003eIts PWM outputs and temperature sensing capabilities enable precise fan speed control and thermostat logic in heating, ventilation, and air conditioning systems.\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\u003eTube | \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\u003e1.8V ~ 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\u003eThrough Hole\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e40-PDIP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e40-DIP (0.600\", 15.24mm)\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\u003eQ: What is the maximum operating frequency of the ATMEGA644PA-PU?\u003c\/dt\u003e\n\u003cdd\u003eA: The ATMEGA644PA-PU operates at up to 20MHz with a supply voltage range of 1.8V to 5.5V.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is the ATMEGA644PA-PU available in?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 40-pin DIP (0.600\", 15.24mm) package, ideal for through-hole prototyping.\u003c\/dd\u003e\n\u003cdt\u003eQ: How much flash memory does this MCU have?\u003c\/dt\u003e\n\u003cdd\u003eA: It features 64KB of in-system programmable flash memory (32K x 16) and 4KB SRAM.\u003c\/dd\u003e\n\u003cdt\u003eQ: Does the ATMEGA644PA-PU include a watchdog timer?\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, it includes a Watchdog Timer (WDT) along with Brown-out Detection, POR, and PWM.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":50884512317729,"sku":"ATMEGA644PA-PU","price":6.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_150_40P6_40_7532c1c4-c0bb-4eae-8cc9-a1707ab2a924.jpg?v=1739262182","url":"https:\/\/hqickey.com\/products\/atmega644pa-pu","provider":"HQICKEY","version":"1.0","type":"link"}