{"product_id":"mc74hc240afl1","title":"MC74HC240AFL1","description":"\u003cp\u003eThe MC74HC240AFL1 is a dual-channel inverting buffer from onsemi, part of the 74HC logic family. It operates over a wide 2V to 6V supply range and provides 3-State outputs for bus-oriented applications. Each output can source or sink 7.8mA, making it suitable for driving moderate loads. The device is available in a 20-SOIC package and supports an extended temperature range of -55°C to 125°C. Typical applications include bus interfacing, signal buffering, and level shifting in digital systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWide 2V to 6V Supply Range: Compatible with both 3.3V and 5V systems, simplifying mixed-voltage design.\u003c\/li\u003e\n\u003cli\u003e3-State Outputs: Allows multiple devices to share a common bus without signal contention.\u003c\/li\u003e\n\u003cli\u003eExtended Temperature Range (-55°C to 125°C): Suitable for automotive and industrial applications.\u003c\/li\u003e\n\u003cli\u003eHigh Drive Current (7.8mA): Ensures reliable signal transmission over longer traces and to multiple loads.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBus Line Driving\u003c\/h3\u003e\u003cp\u003eUse the MC74HC240AFL1 to drive high-capacitance bus lines in digital systems. The 3-State outputs allow multiple devices to share the same bus without contention, while the inverting function can be used to match signal polarity requirements.\u003c\/p\u003e\u003ch3\u003eMemory Address Buffering\u003c\/h3\u003e\u003cp\u003eBuffer address and control signals between a microcontroller and SRAM or Flash memory. The 2V to 6V supply range ensures compatibility with both 3.3V and 5V memory devices, and the high drive current helps maintain signal integrity over longer PCB traces.\u003c\/p\u003e\u003ch3\u003eSignal Inversion and Isolation\u003c\/h3\u003e\u003cp\u003eUse the inverting buffer to invert logic signals while providing electrical isolation between different circuit stages. The 3-State control allows you to disconnect the buffer output from the load when not needed, reducing power consumption.\u003c\/p\u003e\u003ch3\u003eLevel Shifting in Mixed-Voltage Systems\u003c\/h3\u003e\u003cp\u003eIn systems with both 3.3V and 5V logic, this buffer can act as a level shifter. With VCC at 5V, it can accept 3.3V inputs (with proper thresholds) and output 5V logic levels, enabling communication between different voltage domains.\u003c\/p\u003e\u003ch3\u003eIndustrial Control Input\/Output\u003c\/h3\u003e\u003cp\u003eInterface between industrial sensors\/actuators and a PLC or control logic. The wide temperature range (-55°C to 125°C) makes it suitable for harsh industrial environments, and the 3-State outputs allow for efficient multiplexing of multiple sensor signals.\u003c\/p\u003e\u003ch3\u003eClock Distribution\u003c\/h3\u003e\u003cp\u003eBuffer and distribute clock signals to multiple loads. The inverting function can be used to generate complementary clock signals, and the 3-State feature allows for disabling clock lines during low-power modes.\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\u003eonsemi\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003e74HC\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\u003e4\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\u003e7.8mA, 7.8mA\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply\u003c\/td\u003e \t\u003ctd\u003e2V ~ 6V\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\u003eSurface Mount\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e20-SOIC (0.209\", 5.30mm Width)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e20-SOIC\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 MC74HC240AFL1?\u003c\/dt\u003e\n\u003cdd\u003eA: It belongs to the 74HC (High-Speed CMOS) logic family.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the function of this IC?\u003c\/dt\u003e\n\u003cdd\u003eA: It is an inverting buffer with 2 channels.\u003c\/dd\u003e\n\u003cdt\u003eQ: What type of output does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It features 3-State outputs for bus-oriented applications.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the operating voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from 2V to 6V, making it versatile for various supply levels.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the output current capability?\u003c\/dt\u003e\n\u003cdd\u003eA: It can source or sink 7.8mA per output.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 20-SOIC (0.209\", 5.30mm Width) package.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"onsemi","offers":[{"title":"Default Title","offer_id":53665819296033,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/products\/mc74hc240afl1","provider":"HQICKEY","version":"1.0","type":"link"}