{"product_id":"cd74ac540e","title":"CD74AC540E","description":"\u003cp\u003eThe CD74AC540E is a high-speed octal inverting buffer from Harris Corporation, featuring 3-State outputs and a wide operating voltage range of 1.5V to 5.5V. With a robust 75mA output drive capability, it is well-suited for bus interfacing, signal buffering, and level shifting in industrial controls, display systems, and mixed-voltage digital circuits. Its 20-DIP package allows for easy prototyping and through-hole assembly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVery Wide 1.5V to 5.5V Supply Range: Supports everything from low-voltage portable designs to legacy 5V systems.\u003c\/li\u003e\n\u003cli\u003eHigh 75mA Output Drive: Can drive heavy loads like LED displays and long bus lines without additional buffers.\u003c\/li\u003e\n\u003cli\u003e3-State Outputs: Enables multiple devices to share a common data bus safely.\u003c\/li\u003e\n\u003cli\u003eExtended Temperature Range: Operates from -55°C to 125°C, suitable for harsh industrial and military environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBus Driving in Mixed-Voltage Systems\u003c\/h3\u003e\u003cp\u003eThe wide 1.5V to 5.5V supply range and 3-State outputs make it ideal for driving buses in systems that mix 3.3V and 5V logic.\u003c\/p\u003e\u003ch3\u003eSignal Inversion and Buffering in Digital Circuits\u003c\/h3\u003e\u003cp\u003eWith 75mA output drive, it can buffer and invert signals for high-capacitance loads, ensuring clean logic levels in complex digital designs.\u003c\/p\u003e\u003ch3\u003eLevel Shifting for Legacy 5V Peripherals\u003c\/h3\u003e\u003cp\u003eIts ability to operate at 5V while accepting inputs from lower-voltage logic allows it to shift signals up to 5V for legacy peripherals.\u003c\/p\u003e\u003ch3\u003eHigh-Drive LED and Display Interfaces\u003c\/h3\u003e\u003cp\u003eThe 75mA output current can directly drive LED arrays or segmented displays, reducing the need for external driver ICs.\u003c\/p\u003e\u003ch3\u003eIndustrial Control Logic Isolation\u003c\/h3\u003e\u003cp\u003eIn industrial environments, it can buffer control signals between PLCs and field devices, providing robust signal integrity over long cable runs.\u003c\/p\u003e\u003ch3\u003eMemory and Address Line Buffering\u003c\/h3\u003e\u003cp\u003eIn retro or custom computing systems, it can buffer address and data lines, reducing loading on the CPU and improving system stability.\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\u003eHarris Corporation\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003e74AC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003eBulk | \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePart Status\u003c\/td\u003e \t\u003ctd\u003eActive\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eLogic Type\u003c\/td\u003e \t\u003ctd\u003eBuffer, Inverting\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of Elements\u003c\/td\u003e \t\u003ctd\u003e2\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of Bits per Element\u003c\/td\u003e \t\u003ctd\u003e8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eInput Type\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOutput Type\u003c\/td\u003e \t\u003ctd\u003e3-State\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCurrent - Output High, Low\u003c\/td\u003e \t\u003ctd\u003e75mA, 75mA\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply\u003c\/td\u003e \t\u003ctd\u003e1.5V ~ 5.5V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e-55°C ~ 125°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\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\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e20-DIP (0.300\", 7.62mm)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e20-PDIP\u003c\/td\u003e \u003c\/tr\u003e  \u003c\/tbody\u003e\n\u003c\/table\u003e\u003cdl\u003e\n\u003cdt\u003eQ: What is the logic family of the CD74AC540E?\u003c\/dt\u003e\n\u003cdd\u003eA: It belongs to the 74AC (Advanced CMOS) logic family, offering high speed and low power consumption.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the function of this IC?\u003c\/dt\u003e\n\u003cdd\u003eA: It is an octal buffer with inverting outputs, used for signal buffering and line driving.\u003c\/dd\u003e\n\u003cdt\u003eQ: How many channels does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It has 2 channels, each handling 4 bits, for a total of 8 inverting buffers.\u003c\/dd\u003e\n\u003cdt\u003eQ: What type of output does it feature?\u003c\/dt\u003e\n\u003cdd\u003eA: It features 3-State outputs, enabling bus-oriented applications.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the operating voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from 1.5V to 5.5V, supporting a wide range of logic levels.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 20-DIP (0.300\", 7.62mm) package, suitable for through-hole mounting.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Harris Corporation","offers":[{"title":"Default Title","offer_id":53666104410401,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/fr\/products\/cd74ac540e","provider":"HQICKEY","version":"1.0","type":"link"}