{"product_id":"74147-hlf74hc147n-10-to-4-line-priority-encoder-ic","title":"74147 HLF74HC147N 10-to-4 Line Priority Encoder IC","description":"\u003ch2 dir=\"ltr\" class=\"mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eDescription\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe HLF74HC147N is a \u003cstrong\u003e10-to-4 Line Priority Encoder\u003c\/strong\u003e IC manufactured by HLF, housed in a standard \u003cstrong\u003e16-pin DIP\u003c\/strong\u003e through-hole package. These high-speed Si-gate CMOS devices are pin-compatible with low power Schottky TTL (LSTTL) and are specified in compliance with JEDEC standard no. 7A.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe 74HC147 accepts data from nine active-LOW inputs (A0 to A8) and provides a binary representation on four active-LOW outputs (Y0 to Y3). A priority is assigned to each input so that when two or more inputs are active simultaneously, the input with the highest priority is represented on the output, with input line A8 having the highest priority. The device provides full 10-line to 4-line priority encoding by using the implied decimal \"zero\" — the \"zero\" is encoded when all nine data inputs are HIGH, forcing all four outputs HIGH, meaning no dedicated tenth input pin is needed.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThis encoding function makes the 74HC147 especially useful for converting the output of a 10-position rotary or keypad switch into a compact 4-bit BCD code, greatly simplifying wiring and logic in code converters, keypad encoders, and digital control systems.\u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003eKey Specifications\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e 10-to-4 line priority encoder (9 active-LOW inputs, 4 active-LOW BCD outputs)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eLogic Family:\u003c\/strong\u003e High-Speed CMOS (HC)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e 16-pin PDIP (through-hole)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 2V to 6V\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +125°C\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e ~160ns @ 2V \/ ~27ns @ 6V (25°C)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e 5.2mA @ 6V\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e HLF\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003eCommon Applications\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e10-position rotary\/keypad switch encoding\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCode converters and BCD generators\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePriority-based digital input handling\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eKeypad and control panel interfacing in digital systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003ePackage Includes\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1 x HLF74HC147N IC (16-pin DIP)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"digilog.pk","offers":[{"title":"Default Title","offer_id":51656707113238,"sku":null,"price":150.0,"currency_code":"PKR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/0764\/1366\/files\/74147HLF74HC147N10-to-4LinePriorityEncoderIC.jpg?v=1786097267","url":"https:\/\/digilog.pk\/products\/74147-hlf74hc147n-10-to-4-line-priority-encoder-ic","provider":"digilog.pk","version":"1.0","type":"link"}