{"product_id":"mm74hct244wm","title":"MM74HCT244WM","description":"\u003cp\u003eThe MM74HCT244WM is an octal buffer from Fairchild Semiconductor, designed for 5V digital systems. Operating in the 74HCT logic family, it provides non-inverting buffering with 3-state outputs. With a supply range of 4.5V to 5.5V and a drive capability of 7.2mA, it effectively drives capacitive loads. The 20-SOIC package is suitable for through-hole or surface-mount assembly. This buffer is ideal for memory addressing, LED driving, and industrial control applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOctal Buffering in One Package: Reduces component count and PCB area, simplifying layout.\u003c\/li\u003e\n\u003cli\u003e3-State Outputs: Enables bus sharing and isolation, enhancing system flexibility.\u003c\/li\u003e\n\u003cli\u003eTTL-Compatible Inputs: Directly interfaces with 5V TTL logic, reducing design complexity.\u003c\/li\u003e\n\u003cli\u003eWide Operating Temperature: Reliable from -40°C to 85°C for industrial use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMicrocontroller Output Buffering\u003c\/h3\u003e\u003cp\u003eBuffer output signals from a microcontroller to drive multiple loads. The 7.2mA drive current ensures adequate fan-out for peripheral devices.\u003c\/p\u003e\u003ch3\u003eLED Array Driving\u003c\/h3\u003e\u003cp\u003eDrive LED arrays in display panels. The 3-state outputs allow individual segment control while maintaining signal integrity.\u003c\/p\u003e\u003ch3\u003eMemory Address Buffering\u003c\/h3\u003e\u003cp\u003eBuffer address lines between a CPU and memory banks. The non-inverting buffer preserves address polarity, reducing logic errors.\u003c\/p\u003e\u003ch3\u003eIndustrial Control Outputs\u003c\/h3\u003e\u003cp\u003eDrive relays and actuators in industrial control systems. The wide temperature range ensures reliable operation in factory floors.\u003c\/p\u003e\u003ch3\u003eBus Isolation\u003c\/h3\u003e\u003cp\u003eIsolate a processor from a noisy external bus. The 3-state outputs can disconnect the processor when not in use, protecting it from transients.\u003c\/p\u003e\u003ch3\u003eTest Point Multiplexing\u003c\/h3\u003e\u003cp\u003eRoute multiple test signals to a single measurement point. The 3-state feature allows selecting one signal at a time.\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\u003eFairchild Semiconductor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003e74HCT\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, Non-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\u003e7.2mA, 7.2mA\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply\u003c\/td\u003e \t\u003ctd\u003e4.5V ~ 5.5V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e-40°C ~ 85°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 (0.295\", 7.50mm 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  \u003ctr\u003e   \u003ctd\u003eROHS\u003c\/td\u003e   \u003ctd\u003e\u003cimg class=\"ROSHICON\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/ROHSICON.png?v=1757832376\"\u003e\u003c\/td\u003e  \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cdl\u003e\n\u003cdt\u003eQ: What is the logic family of the MM74HCT244WM?\u003c\/dt\u003e\n\u003cdd\u003eA: It belongs to the 74HCT logic family, offering TTL-compatible inputs at 5V operation.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the function of this IC?\u003c\/dt\u003e\n\u003cdd\u003eA: It is a non-inverting octal buffer with 3-state outputs, designed for signal buffering and driving.\u003c\/dd\u003e\n\u003cdt\u003eQ: How many channels does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It has 2 channels, each with 4 bits, totaling 8 buffer lines.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the output type?\u003c\/dt\u003e\n\u003cdd\u003eA: The outputs are 3-State, allowing connection to shared buses.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the operating voltage?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from 4.5V to 5.5V, suitable for 5V logic systems.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 20-SOIC package with a 7.50mm width.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Fairchild Semiconductor","offers":[{"title":"Default Title","offer_id":53666139603233,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/fr\/products\/mm74hct244wm","provider":"HQICKEY","version":"1.0","type":"link"}