{"product_id":"um66-um66-music-ic-melody-generator","title":"UM66 Melody Generator IC – CMOS LSI Sound Chip for Doorbells, Toys, Alarms","description":"\u003cdiv class=\"wp-block-image\"\u003e\n\u003cfigure class=\"aligncenter size-full is-resized\"\u003e\n\u003ch2 data-start=\"313\" data-end=\"359\" data-spm-anchor-id=\"a21bo.29368746.0.i13.52d53fdfSkuSDz\"\u003e📝 \u003cstrong data-start=\"319\" data-end=\"357\"\u003eProduct Description (SEO Enhanced)\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"360\" data-end=\"654\"\u003eThe \u003cstrong data-start=\"364\" data-end=\"392\"\u003eUM66 Melody Generator IC\u003c\/strong\u003e is a popular and compact \u003cstrong data-start=\"418\" data-end=\"441\"\u003eCMOS LSI sound chip\u003c\/strong\u003e, pre-programmed to play a melody when powered. Ideal for use in \u003cstrong data-start=\"506\" data-end=\"553\"\u003edoorbells, greeting cards, toys, and alarms\u003c\/strong\u003e, it operates on ultra-low power and delivers a crisp melody output with minimal external components.\u003c\/p\u003e\n\u003cp data-start=\"656\" data-end=\"919\"\u003eThis IC is part of the \u003cstrong data-start=\"679\" data-end=\"698\"\u003eUM66TXXL series\u003c\/strong\u003e, each version offering different pre-programmed tunes. It includes an \u003cstrong data-start=\"769\" data-end=\"800\"\u003einternal oscillator circuit\u003c\/strong\u003e, allowing for simplified circuit designs—just add a transistor and speaker to create a complete musical output system.\u003c\/p\u003e\n\u003cp data-start=\"921\" data-end=\"1154\"\u003eThanks to its \u003cstrong data-start=\"935\" data-end=\"951\"\u003ebuilt-in ROM\u003c\/strong\u003e and \u003cstrong data-start=\"956\" data-end=\"975\"\u003eCMOS technology\u003c\/strong\u003e, the UM66 consumes minimal power, making it perfect for battery-operated applications. It is a favorite in \u003cstrong data-start=\"1083\" data-end=\"1108\"\u003eDIY hobby electronics\u003c\/strong\u003e, school projects, and embedded sound modules.\u003c\/p\u003e\n\u003ch3 data-start=\"1161\" data-end=\"1184\" data-spm-anchor-id=\"a21bo.29368746.0.i14.52d53fdfSkuSDz\"\u003e🔧 \u003cstrong data-start=\"1168\" data-end=\"1184\"\u003eKey Features\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"1185\" data-end=\"1579\"\u003e\n\u003cli data-start=\"1185\" data-end=\"1233\"\u003e\n\u003cp data-start=\"1187\" data-end=\"1233\"\u003e🎶 \u003cstrong data-start=\"1190\" data-end=\"1206\"\u003eBuilt-in ROM\u003c\/strong\u003e with pre-recorded melody\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1234\" data-end=\"1305\"\u003e\n\u003cp data-start=\"1236\" data-end=\"1305\"\u003e⚙️ \u003cstrong data-start=\"1239\" data-end=\"1261\"\u003eOn-chip Oscillator\u003c\/strong\u003e – Requires only a few external components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1306\" data-end=\"1381\"\u003e\n\u003cp data-start=\"1308\" data-end=\"1381\"\u003e🔋 \u003cstrong data-start=\"1311\" data-end=\"1342\"\u003eUltra-Low Power Consumption\u003c\/strong\u003e – Ideal for battery-powered circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1382\" data-end=\"1436\"\u003e\n\u003cp data-start=\"1384\" data-end=\"1436\"\u003e💡 \u003cstrong data-start=\"1387\" data-end=\"1409\"\u003eWide Voltage Range\u003c\/strong\u003e – Typically 1.5V to 4.5V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1437\" data-end=\"1487\"\u003e\n\u003cp data-start=\"1439\" data-end=\"1487\"\u003e🧩 \u003cstrong data-start=\"1442\" data-end=\"1461\"\u003eCMOS Technology\u003c\/strong\u003e – Compact and efficient\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1488\" data-end=\"1579\"\u003e\n\u003cp data-start=\"1490\" data-end=\"1579\"\u003e🔊 \u003cstrong data-start=\"1493\" data-end=\"1527\"\u003ePerfect for Sound Applications\u003c\/strong\u003e – Toys, doorbells, musical greeting cards, alarms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e📋 \u003cstrong data-end=\"1751\" data-start=\"1723\"\u003eTechnical Specifications：\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUM66TXXL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCMOS LSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5V – 4.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVery Low\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMelody Tone (via base drive output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOscillator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIC Package\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTO-92 (commonly) or DIP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eToys, Doorbells, Alarms, Greeting Cards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-spm-anchor-id=\"a21bo.29368746.0.i17.52d53fdfSkuSDz\" data-end=\"2456\" data-start=\"2434\"\u003e\n\u003cbr\u003e🎯 \u003cstrong data-end=\"2456\" data-start=\"2440\"\u003eApplications\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cul data-end=\"2635\" data-start=\"2457\"\u003e\n\u003cli data-end=\"2490\" data-start=\"2457\"\u003e\n\u003cp data-end=\"2490\" data-start=\"2459\"\u003eMusical doorbells and buzzers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2534\" data-start=\"2491\"\u003e\n\u003cp data-end=\"2534\" data-start=\"2493\"\u003eTalking toys and electronic instruments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2571\" data-start=\"2535\"\u003e\n\u003cp data-end=\"2571\" data-start=\"2537\"\u003eGreeting cards and novelty items\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2604\" data-start=\"2572\"\u003e\n\u003cp data-end=\"2604\" data-start=\"2574\"\u003eSchool science fair projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2635\" data-start=\"2605\"\u003e\n\u003cp data-end=\"2635\" data-start=\"2607\"\u003eSimple embedded audio alerts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1581\" data-end=\"1584\"\u003e\n\u003ch2 data-start=\"1586\" data-end=\"1612\"\u003e📦 \u003cstrong data-start=\"1592\" data-end=\"1612\"\u003ePackage Includes\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cul data-start=\"1613\" data-end=\"1710\"\u003e\n\u003cli data-start=\"1613\" data-end=\"1652\"\u003e\n\u003cp data-start=\"1615\" data-end=\"1652\"\u003e1 × UM66 Melody IC (variant may vary)\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e","brand":"Digilog Electronics","offers":[{"title":"Default Title","offer_id":43962308034625,"sku":"B559,STK0","price":50.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/2805\/1777\/files\/UM66_87a664af-e6ca-4ebd-9bf2-6697927c5ce3.jpg?v=1779569693","url":"https:\/\/stem.pk\/products\/um66-um66-music-ic-melody-generator","provider":"stem.pk","version":"1.0","type":"link"}