{"product_id":"74hc191-4-bit-synchronous-up-down-counter","title":"74HC191 4-Bit Synchronous Up\/Down Counter","description":"\u003cp\u003eThe 74HC191 is a high-speed CMOS 4-bit synchronous up\/down counter designed for versatile digital counting applications. It delivers reliable performance and precise control through synchronous counting and preset capabilities.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-bit counting capability\u003c\/strong\u003e provides counts from 0 to 15 for compact digital systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronous up\/down counting\u003c\/strong\u003e ensures accurate, glitch-free transitions during counting cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-speed CMOS technology\u003c\/strong\u003e offers fast switching with low power consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreset inputs\u003c\/strong\u003e enable parallel loading of any desired 4-bit value for flexible operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide operating voltage range\u003c\/strong\u003e of 2V to 6V supports compatibility with varied power supplies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompared to asynchronous counters, the 74HC191’s synchronous architecture minimizes timing errors and race conditions by aligning internal flip-flops to a common clock. This alignment improves counting accuracy and signal integrity, eliminating discrepancies typical of ripple counters. The preset function permits immediate value loading without disrupting ongoing counting sequences, enhancing operational flexibility.\u003c\/p\u003e\n\u003cp\u003eThe low-power CMOS construction reduces energy consumption and heat generation, making the 74HC191 suitable for dense electronic assemblies. Its broad voltage tolerance allows integration into diverse digital designs while maintaining stable operation under varying electrical conditions.\u003c\/p\u003e","brand":"Electronic Service Center","offers":[{"title":"Default Title","offer_id":42509609107639,"sku":"","price":4.5,"currency_code":"LYD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/4010\/0279\/files\/FullSizeRender_937a3c2e-b9eb-4988-9545-ca9ad7e337bf.jpg?v=1784932696","url":"https:\/\/esclibya.com\/products\/74hc191-4-bit-synchronous-up-down-counter","provider":"Electronic Service Center","version":"1.0","type":"link"}