{"product_id":"74hc161-4-bit-presettable-synchronous-binary-counter-ic-soic-16-smd-package","title":"74HC161 - 4-Bit Presettable Synchronous Binary Counter IC - SOIC-16 SMD Package","description":"\u003ch3\u003e74HC161 – 4-Bit Presettable Synchronous Binary Counter IC – SOIC-16 SMD Package\u003c\/h3\u003e\n\u003cp\u003eThe 74HC161 – 4-Bit Presettable Synchronous Binary Counter IC is a high-speed CMOS digital logic integrated circuit designed for binary counting, frequency division, timing, and sequence control applications. Packaged in a compact SOIC-16 Surface Mount Device (SMD) package, it features a 4-bit synchronous binary counter with parallel preset (load) capability, synchronous counting, and asynchronous master reset. The synchronous architecture ensures that all output bits change state simultaneously with each clock pulse, minimizing propagation delays and improving overall system reliability.\u003c\/p\u003e\n\u003cp\u003eThe 74HC161 supports counting from 0 to 15 (0000 to 1111) in binary and includes a parallel load input, allowing a user-defined binary value to be loaded into the counter instead of starting from zero. An asynchronous clear (reset) input instantly resets the counter regardless of the clock signal, while count enable and terminal count outputs allow easy cascading of multiple counters to create higher-bit counting systems.\u003c\/p\u003e\n\u003cp\u003eBuilt using advanced CMOS technology, the IC offers low power consumption, high noise immunity, and fast switching performance. It operates over a wide supply voltage range, making it compatible with both CMOS and TTL logic families. The compact SOIC-16 SMD package is ideal for modern PCB designs where space-saving and automated assembly are important.\u003c\/p\u003e\n\u003cp\u003eThe 74HC161 is widely used in digital counters, programmable timers, frequency dividers, event counting systems, digital clocks, embedded systems, industrial automation, communication equipment, Arduino projects, robotics, educational laboratories, and DIY electronics.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e4-bit synchronous binary counter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePresettable parallel load function\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCounts from 0 to 15 (Binary)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSynchronous counting for reliable operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAsynchronous master reset (clear)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCount enable inputs for controlled counting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTerminal count output for cascading multiple counters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-speed CMOS logic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow power consumption\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh noise immunity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWide operating voltage range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with CMOS and TTL logic levels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact SOIC-16 SMD package\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for automated PCB assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBinary counting circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFrequency divider circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDigital clocks and timers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEvent counters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProgrammable timing systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSequence generators\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial automation equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEmbedded systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommunication systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRobotics and automation projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eArduino and microcontroller interfacing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEducational laboratories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDigital logic circuit design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTest and measurement equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDIY electronics projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Electro Robo Store","offers":[{"title":"Default Title","offer_id":52764082798868,"sku":"MT0451","price":14.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/6590\/0052\/files\/1_1ea9fb06-2cd1-4941-b2e1-6408d558c9af.jpg?v=1783428150","url":"https:\/\/electro-robo.com\/products\/74hc161-4-bit-presettable-synchronous-binary-counter-ic-soic-16-smd-package","provider":"Electro Robo Store","version":"1.0","type":"link"}