{"product_id":"mc74hct244adt","title":"MC74HCT244ADT","description":"\u003cp\u003eThe MC74HCT244ADT from onsemi is a dual non-inverting buffer in the 74HCT logic family. It features two channels with 3-State outputs, providing a fan-out of 6mA sink and source. Operating from a 4.5V to 5.5V supply, it is optimized for 5V TTL systems. The 20-TSSOP package is compact and suitable for space-constrained PCBs. Its wide temperature range of -55°C to 125°C makes it reliable for industrial and automotive applications. Typical uses include bus interfacing, memory buffering, and peripheral driving.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTTL-Compatible Inputs: Ensures direct interface with 5V TTL logic without additional level shifting.\u003c\/li\u003e\n\u003cli\u003e3-State Outputs: Allows multiple devices to share a bus, reducing wiring complexity.\u003c\/li\u003e\n\u003cli\u003eCompact TSSOP Package: Saves board space in high-density designs.\u003c\/li\u003e\n\u003cli\u003eWide Temperature Range (-55°C to 125°C): Suitable for harsh environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e5V Bus Interfacing\u003c\/h3\u003e\u003cp\u003eThe MC74HCT244ADT is perfect for interfacing 5V microcontrollers to memory or peripheral devices. Its TTL-compatible inputs ensure reliable logic level detection in 5V systems.\u003c\/p\u003e\u003ch3\u003eMemory Address Buffering\u003c\/h3\u003e\u003cp\u003eIn systems with multiple memory banks, this buffer can drive address lines without loading the microcontroller's output pins, maintaining signal integrity across the PCB.\u003c\/p\u003e\u003ch3\u003ePeripheral Driver\u003c\/h3\u003e\u003cp\u003eUse it to drive multiple peripheral devices such as LEDs or relays. The 6mA output current is sufficient for small loads, and the 3-State feature allows for power saving.\u003c\/p\u003e\u003ch3\u003eLevel Shifting (5V to 5V with Isolation)\u003c\/h3\u003e\u003cp\u003eWhile not a level shifter, it provides isolation between the controller and the load, preventing back-voltage spikes from damaging the microcontroller.\u003c\/p\u003e\u003ch3\u003eTest Equipment\u003c\/h3\u003e\u003cp\u003eIn automated test equipment, the 3-State outputs allow multiple test points to be multiplexed to a single measurement unit, reducing hardware complexity.\u003c\/p\u003e\u003ch3\u003eIndustrial Control Modules\u003c\/h3\u003e\u003cp\u003eFor industrial I\/O modules, this buffer conditions signals from the backplane to the logic controller, ensuring clean, buffered signals in noisy environments.\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\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\u003e6mA, 6mA\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-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-TSSOP (0.173\", 4.40mm Width)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e20-TSSOP\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 MC74HCT244ADT?\u003c\/dt\u003e\n\u003cdd\u003eA: It belongs to the 74HCT (High-Speed CMOS with TTL-compatible inputs) logic family.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the function of this IC?\u003c\/dt\u003e\n\u003cdd\u003eA: It is a dual non-inverting buffer with 3-State outputs.\u003c\/dd\u003e\n\u003cdt\u003eQ: How many channels does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It has 2 channels.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the output type?\u003c\/dt\u003e\n\u003cdd\u003eA: The outputs are 3-State, enabling connection to shared buses.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the operating voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from 4.5V to 5.5V, making it ideal for 5V systems.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the package type?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 20-TSSOP (Thin Shrink Small Outline Package) with a 4.40mm width.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"onsemi","offers":[{"title":"Default Title","offer_id":53665847410977,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/de\/products\/mc74hct244adt","provider":"HQICKEY","version":"1.0","type":"link"}