{"product_id":"attiny426-xfr","title":"ATTINY426-XFR","description":"\u003cp\u003eThe Microchip ATTINY426-XFR is an 8-bit AVR microcontroller designed for extended temperature operation. It offers 4KB of Flash and 512 bytes of SRAM, running at up to 20MHz from a 1.8V to 5.5V supply. Housed in a 20-SSOP package, it integrates PWM, a watchdog timer, and brown-out detection, providing a compact and reliable solution for automotive and industrial control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended temperature range (-40°C to 125°C)\u003c\/strong\u003e: Enables deployment in engine bays and industrial ovens where standard MCUs fail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20MHz performance\u003c\/strong\u003e: Ensures responsive control loops even in time-critical applications like actuator regulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20-SSOP package\u003c\/strong\u003e: Offers a smaller footprint than DIP while remaining through-hole compatible for prototyping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated analog peripherals\u003c\/strong\u003e: Reduces external component count by providing ADC and comparator on-chip.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAutomotive Sensor Nodes\u003c\/h3\u003e\u003cp\u003eThe 125°C junction temperature rating allows placement near engines or exhaust systems. The 20MHz AVR core can handle CAN or LIN message processing when paired with an external transceiver.\u003c\/p\u003e\u003ch3\u003eIndustrial Actuator Control\u003c\/h3\u003e\u003cp\u003eWith PWM outputs and a robust WDT, this MCU can drive solenoids or valves in factory automation, ensuring fail-safe operation in high-temperature zones.\u003c\/p\u003e\u003ch3\u003eHVAC Zone Controllers\u003c\/h3\u003e\u003cp\u003eThe wide voltage range and 4KB Flash are perfect for implementing thermostat algorithms, while the SSOP package fits neatly on compact control boards.\u003c\/p\u003e\u003ch3\u003ePower Supply Monitoring\u003c\/h3\u003e\u003cp\u003eIts ADC can monitor output voltages and currents, while the brown-out detector ensures the MCU resets cleanly during power dips, protecting downstream equipment.\u003c\/p\u003e\u003ch3\u003ePortable Test Instruments\u003c\/h3\u003e\u003cp\u003eFor handheld meters, the low-power sleep modes and 1.8V operation extend battery life, while the 20MHz speed allows fast measurement updates.\u003c\/p\u003e\u003ch3\u003eLighting Ballasts\u003c\/h3\u003e\u003cp\u003eThe PWM channels can generate high-frequency drive signals for LED or fluorescent ballasts, with the extended temperature range supporting enclosed fixtures.\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\u003etinyAVR® 2\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\u003e18\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Size\u003c\/td\u003e \t\u003ctd\u003e4KB (4K 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\u003e128 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 15x12b\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 ~ 125°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-SSOP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e20-SSOP (0.209\", 5.30mm 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 temperature range for the ATTINY426-XFR?\u003c\/dt\u003e\n\u003cdd\u003eA: It is rated for -40°C to 125°C, making it suitable for harsh automotive and industrial environments.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the maximum clock speed?\u003c\/dt\u003e\n\u003cdd\u003eA: The device operates at up to 20MHz with a supply voltage of 1.8V to 5.5V.\u003c\/dd\u003e\n\u003cdt\u003eQ: How much program memory is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It has 4KB of Flash and 512 bytes of SRAM, sufficient for small control loops and state machines.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package does it use?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 20-SSOP package with a 5.30mm width, offering a good balance between size and ease of soldering.\u003c\/dd\u003e\n\u003cdt\u003eQ: Does it support PWM and analog sensing?\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, it includes PWM channels and a 12-bit ADC, along with a comparator for analog signal processing.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":50885649400097,"sku":"ATTINY426-XFR","price":0.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_150_C04-072_SS_20_44463dbb-13d9-4f09-acb9-4a1c54f1b9b7.jpg?v=1739289075","url":"https:\/\/hqickey.com\/products\/attiny426-xfr","provider":"HQICKEY","version":"1.0","type":"link"}