{"product_id":"attiny861a-xu","title":"ATTINY861A-XU","description":"\u003cp\u003eThe Microchip ATTINY861A-XU is a high-performance 8-bit AVR microcontroller in a 20-pin TSSOP package. It operates from 1.8V to 5.5V and runs at up to 20MHz, offering a good balance of speed and power efficiency. With 8KB Flash and 512 bytes of SRAM, it supports moderate-complexity firmware. Integrated peripherals include PWM, a temperature sensor, Brown-out Detection, and a Watchdog Timer, making it a versatile choice for sensor nodes, lighting, and motor control. Its wide temperature range suits industrial and automotive environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIntegrated temperature sensor reduces external component count and simplifies thermal monitoring.\u003c\/li\u003e\n\u003cli\u003e1.8V operation enables direct battery-powered designs with minimal voltage regulation.\u003c\/li\u003e\n\u003cli\u003e20MHz AVR core delivers fast interrupt response for time-critical control.\u003c\/li\u003e\n\u003cli\u003eCompact TSSOP-20 package fits high-density PCBs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSmart Lighting Controllers\u003c\/h3\u003e\u003cp\u003eThe built-in PWM channels and 20MHz speed allow smooth dimming and color mixing in LED drivers, while the 1.8V operation supports low-power standby.\u003c\/p\u003e\u003ch3\u003eEnvironmental Data Loggers\u003c\/h3\u003e\u003cp\u003eThe internal temperature sensor eliminates the need for an external thermistor, reducing BOM cost in weather stations and HVAC controllers.\u003c\/p\u003e\u003ch3\u003eMotor Speed Control\u003c\/h3\u003e\u003cp\u003eWith 512B RAM and fast PWM, this MCU can implement closed-loop speed control for small DC fans or pumps in consumer appliances.\u003c\/p\u003e\u003ch3\u003eBattery Management Systems\u003c\/h3\u003e\u003cp\u003eThe 1.8V minimum voltage enables direct monitoring of single-cell Li-ion batteries, with WDT ensuring safe shutdown on fault conditions.\u003c\/p\u003e\u003ch3\u003eWearable Fitness Devices\u003c\/h3\u003e\u003cp\u003eThe tiny TSSOP package and low-power sleep modes make it ideal for step counters or heart-rate monitors that run on coin cells.\u003c\/p\u003e\u003ch3\u003eAutomotive Sensor Interfaces\u003c\/h3\u003e\u003cp\u003eIts -40°C to +85°C rating and robust I\/O handle signal conditioning for pressure or position sensors in engine bays.\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® ATtiny\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\u003eUSI\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePeripherals\u003c\/td\u003e \t\u003ctd\u003eBrown-out Detect\/Reset, POR, PWM, Temp Sensor, WDT\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of I\/O\u003c\/td\u003e \t\u003ctd\u003e16\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Size\u003c\/td\u003e \t\u003ctd\u003e8KB (4K 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\u003e512 x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eRAM Size\u003c\/td\u003e \t\u003ctd\u003e512 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 11x10b\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\u003e20-TSSOP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e20-TSSOP (0.173\", 4.40mm Width)\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 supply voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from 1.8V to 5.5V, supporting low-voltage and standard 5V logic.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the maximum clock speed?\u003c\/dt\u003e\n\u003cdd\u003eA: The AVR core runs at up to 20MHz, enabling fast response in real-time applications.\u003c\/dd\u003e\n\u003cdt\u003eQ: How much Flash and RAM does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It provides 8KB (4K x 16) of Flash and 512 bytes of SRAM for moderate program and data storage.\u003c\/dd\u003e\n\u003cdt\u003eQ: Does it include a temperature sensor?\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, it has an internal temperature sensor, useful for environmental monitoring.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is this variant?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 20-pin TSSOP (0.173\" width) package, suitable for compact layouts.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":50884817322273,"sku":"ATTINY861A-XU","price":1.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_150_20X_X_20_82d34330-57a1-404a-ac3d-91c8513de6fb.jpg?v=1739267018","url":"https:\/\/hqickey.com\/products\/attiny861a-xu","provider":"HQICKEY","version":"1.0","type":"link"}