{"product_id":"attiny1634r-su","title":"ATTINY1634R-SU","description":"\u003cp\u003eThe Microchip ATTINY1634R-SU is an 8-bit AVR MCU with 16KB flash and 1KB RAM, operating at 12 MHz. It includes PWM, BOR, and WDT in a 20-SOIC package, designed for low-power embedded control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin-compatible:\u003c\/strong\u003e Drop-in replacement for other ATtiny1634 variants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow power:\u003c\/strong\u003e 1.8V operation reduces energy consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact size:\u003c\/strong\u003e 20-SOIC fits space-constrained PCBs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable operation:\u003c\/strong\u003e BOR and WDT enhance system stability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBattery Monitors\u003c\/h3\u003e\u003cp\u003eLow voltage operation and ADC channels enable accurate voltage\/current monitoring in portable electronics.\u003c\/p\u003e\u003ch3\u003eLED Displays\u003c\/h3\u003e\u003cp\u003ePWM outputs drive multiplexed LED matrices in small signage and notification devices.\u003c\/p\u003e\u003ch3\u003eEnvironmental Loggers\u003c\/h3\u003e\u003cp\u003e1KB RAM buffers sensor readings before writing to external EEPROM in weather stations.\u003c\/p\u003e\u003ch3\u003eMotor Speed Controllers\u003c\/h3\u003e\u003cp\u003e12MHz processing and PWM generate smooth control for small cooling fans.\u003c\/p\u003e\u003ch3\u003eAccess Control\u003c\/h3\u003e\u003cp\u003eSecure boot and WDT support keypad-based entry systems with anti-tamper features.\u003c\/p\u003e\u003ch3\u003eMedical Wearables\u003c\/h3\u003e\u003cp\u003eCompact SOIC package and low power suit continuous glucose monitors and drug pumps.\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\u003e12MHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eConnectivity\u003c\/td\u003e \t\u003ctd\u003eI2C, SPI, UART\/USART, USI\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\u003e18\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Size\u003c\/td\u003e \t\u003ctd\u003e16KB (16K 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\u003e256 x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eRAM Size\u003c\/td\u003e \t\u003ctd\u003e1K 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 12x10b\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-SOIC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e20-SOIC (0.295\", 7.50mm 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: How does this differ from the ATTINY1634-SU?\u003c\/dt\u003e\n\u003cdd\u003eA: The 'R' suffix indicates a different ordering code, but electrical specs are identical.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the maximum speed?\u003c\/dt\u003e\n\u003cdd\u003eA: It runs at 12 MHz with a 1.8V-5.5V supply.\u003c\/dd\u003e\n\u003cdt\u003eQ: What memory does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: 16KB flash and 1KB SRAM.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is it?\u003c\/dt\u003e\n\u003cdd\u003eA: 20-pin SOIC (0.295\" width).\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":50884367909153,"sku":"ATTINY1634R-SU","price":1.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_150_20S_S_20_8ce45d0b-584b-4ba7-b1aa-115817685fea.jpg?v=1739258894","url":"https:\/\/hqickey.com\/products\/attiny1634r-su","provider":"HQICKEY","version":"1.0","type":"link"}