{"product_id":"at90usb646-mu","title":"AT90USB646-MU","description":"\u003cp\u003eThe AT90USB646-MU is an 8-bit AVR microcontroller from Microchip Technology, featuring a full-speed USB 2.0 interface. It provides 64KB of Flash memory and 4KB of SRAM, running at up to 16MHz. The device includes Brown-out Detect\/Reset, POR, PWM, and WDT for robust operation. Packaged in a 64-VFQFN with exposed pad, it operates from 2.7V to 5.5V and is suited for USB-enabled embedded applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated USB 2.0:\u003c\/strong\u003e Eliminates external USB controller chips, reducing BOM cost and board space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Memory Capacity:\u003c\/strong\u003e 64KB Flash and 4KB RAM support complex firmware and data buffering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Voltage Operation:\u003c\/strong\u003e 2.7V to 5.5V range accommodates both 3.3V and 5V logic systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Thermal Performance:\u003c\/strong\u003e Exposed pad package improves heat dissipation for reliable operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUSB Peripheral Devices\u003c\/h3\u003e\u003cp\u003eBuilt-in USB 2.0 interface enables direct connection to PCs for keyboards, mice, and game controllers.\u003c\/p\u003e\u003ch3\u003eData Acquisition Systems\u003c\/h3\u003e\u003cp\u003eWith 4KB RAM and 16MHz speed, it can buffer and stream sensor data over USB to host software.\u003c\/p\u003e\u003ch3\u003ePortable Instrumentation\u003c\/h3\u003e\u003cp\u003eLow power consumption and 2.7V-5.5V range support battery-operated multimeters and data loggers.\u003c\/p\u003e\u003ch3\u003eHuman Interface Devices\u003c\/h3\u003e\u003cp\u003eIts rich I\/O and USB support make it ideal for custom HID devices like barcode scanners and touchpads.\u003c\/p\u003e\u003ch3\u003eIndustrial Control Panels\u003c\/h3\u003e\u003cp\u003eThe exposed pad package aids thermal dissipation in enclosed control units operating at high ambient temperatures.\u003c\/p\u003e\u003ch3\u003eFirmware Update Hubs\u003c\/h3\u003e\u003cp\u003eUSB bootloader support allows in-field firmware updates without specialized programmers.\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® 90USB\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003eTray | Tray\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\u003e16MHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eConnectivity\u003c\/td\u003e \t\u003ctd\u003eEBI\/EMI, I2C, SPI, UART\/USART, USB\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\u003e48\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Size\u003c\/td\u003e \t\u003ctd\u003e64KB (64K x 8)\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\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\u003e64-QFN (9x9)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e64-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\u003eQ: What is the core architecture of the AT90USB646-MU?\u003c\/dt\u003e\n\u003cdd\u003eA: It is based on the AVR enhanced RISC architecture.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the maximum operating frequency?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates at up to 16MHz.\u003c\/dd\u003e\n\u003cdt\u003eQ: How much Flash memory is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It has 64KB of Flash program memory.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the package type?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 64-VFQFN exposed pad package.\u003c\/dd\u003e\n\u003cdt\u003eQ: Does it support USB connectivity?\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, it features an integrated USB 2.0 controller.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":50999317397793,"sku":"AT90USB646-MU","price":7.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_150_Z64-2_64_bc003959-6aeb-47ad-9cea-870478ddb690.jpg?v=1741154860","url":"https:\/\/hqickey.com\/products\/at90usb646-mu","provider":"HQICKEY","version":"1.0","type":"link"}