{"product_id":"attiny45-20pu","title":"ATTINY45-20PU","description":"\u003cp\u003eThe Microchip ATTINY45-20PU is a high-performance 8-bit AVR microcontroller in a compact 8-pin DIP package. It delivers 4KB of flash memory, 256 bytes of SRAM, and operates at up to 20MHz. With a wide 2.7V to 5.5V supply range and integrated features like PWM, brown-out detection, and a watchdog timer, this MCU is ideal for space-constrained, cost-sensitive embedded applications requiring reliable performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Range (2.7V-5.5V):\u003c\/strong\u003e Simplifies power design by supporting both 3.3V and 5V logic systems without level shifters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Speed at 20MHz:\u003c\/strong\u003e Executes instructions quickly for real-time control tasks, improving system responsiveness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated PWM and WDT:\u003c\/strong\u003e Reduces external component count, lowering BOM cost and board space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Temperature Range (-40°C to 85°C):\u003c\/strong\u003e Ensures reliable operation in industrial and outdoor environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough-Hole DIP Package:\u003c\/strong\u003e Facilitates easy prototyping and manual assembly, ideal for low-volume production.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBattery-Powered Sensor Nodes\u003c\/h3\u003e\u003cp\u003eThe 2.7V-5.5V supply range and low-power sleep modes allow the ATTINY45-20PU to run for extended periods on coin cells or AA batteries in environmental monitoring systems.\u003c\/p\u003e\u003ch3\u003eLED Lighting Controllers\u003c\/h3\u003e\u003cp\u003eWith built-in PWM channels and 20MHz speed, this MCU can generate smooth dimming and color-mixing patterns for RGB LED strips and decorative lighting.\u003c\/p\u003e\u003ch3\u003eMotor Control for Small DC Motors\u003c\/h3\u003e\u003cp\u003eThe PWM outputs and WDT enable simple speed control and fault recovery in toy motors, cooling fans, and small pumps without external components.\u003c\/p\u003e\u003ch3\u003ePortable Consumer Electronics\u003c\/h3\u003e\u003cp\u003eIts 8-pin DIP package and 4KB flash make it perfect for simple user-interface controllers in remote controls, timers, and small gadgets.\u003c\/p\u003e\u003ch3\u003eAutomotive Aftermarket Accessories\u003c\/h3\u003e\u003cp\u003eOperating from -40°C to 85°C, it can handle under-hood or cabin temperature extremes for add-on lighting, alarm sensors, or seat-heater controls.\u003c\/p\u003e\u003ch3\u003eEducational Prototyping\u003c\/h3\u003e\u003cp\u003eThe through-hole DIP package is breadboard-friendly, allowing students and hobbyists to quickly build and test AVR-based projects with minimal soldering.\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, Functional Safety (FuSa)\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, WDT\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of I\/O\u003c\/td\u003e \t\u003ctd\u003e6\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Size\u003c\/td\u003e \t\u003ctd\u003e4KB (2K 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\u003e256 x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eRAM Size\u003c\/td\u003e \t\u003ctd\u003e256 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 4x10b\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\u003e8-PDIP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e8-DIP (0.300\", 7.62mm)\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 operating voltage range of the ATTINY45-20PU?\u003c\/dt\u003e\n\u003cdd\u003eA: The ATTINY45-20PU operates from 2.7V to 5.5V, making it suitable for battery-powered and 3.3V\/5V systems.\u003c\/dd\u003e\n\u003cdt\u003eQ: How much flash memory does this MCU have?\u003c\/dt\u003e\n\u003cdd\u003eA: It features 4KB of in-system programmable flash memory (2K x 16 bits) for code storage.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is the ATTINY45-20PU available in?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in an 8-pin DIP (0.300\", 7.62mm) package, ideal for through-hole prototyping and breadboards.\u003c\/dd\u003e\n\u003cdt\u003eQ: Does it include a watchdog timer?\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, it has a programmable Watchdog Timer (WDT) with separate on-chip oscillator for reliable operation.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the maximum clock speed?\u003c\/dt\u003e\n\u003cdd\u003eA: The maximum operating frequency is 20MHz, providing fast processing for its class.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":50884346839329,"sku":"ATTINY45-20PU","price":1.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_150_8P3_P_8_c4c1a995-9b65-4996-8446-bfd7832a1d6a.jpg?v=1739258305","url":"https:\/\/hqickey.com\/products\/attiny45-20pu","provider":"HQICKEY","version":"1.0","type":"link"}