{"product_id":"rhfact244k1","title":"RHFACT244K1","description":"\u003cp\u003eThe RHFACT244K1 is a dual non-inverting buffer from STMicroelectronics, part of the 54ACT logic family. It operates over a 4.5V to 5.5V supply range and features 3-State outputs for bus-oriented applications. With a wide temperature range of -55°C to 125°C, it is designed for demanding environments. The 20-lead CFlatPack package offers a compact solution for high-reliability systems requiring signal buffering and line driving.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWide Temperature Range (-55°C to 125°C): Suitable for military and aerospace applications where extreme conditions are common.\u003c\/li\u003e\n\u003cli\u003e3-State Outputs: Enables bus sharing and multiplexing, reducing the need for additional isolation components.\u003c\/li\u003e\n\u003cli\u003e54ACT Logic Family: Combines high-speed CMOS performance with TTL-compatible inputs, simplifying mixed-logic interfacing.\u003c\/li\u003e\n\u003cli\u003eNon-Inverting Buffer: Preserves signal polarity, reducing design complexity and potential errors.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHigh-Reliability Bus Interfacing\u003c\/h3\u003e\u003cp\u003eIn aerospace and defense systems, the RHFACT244K1 provides robust buffering for data buses. Its 3-State outputs allow multiple devices to share a common bus without contention, while the 54ACT family ensures high noise immunity and fast propagation delays critical for reliable communication.\u003c\/p\u003e\u003ch3\u003eSignal Buffering in Satellite Electronics\u003c\/h3\u003e\u003cp\u003eSatellite subsystems require components that withstand extreme temperatures. This buffer operates from -55°C to 125°C, ensuring consistent signal integrity in thermal vacuum cycling. The non-inverting configuration preserves signal polarity, simplifying system design.\u003c\/p\u003e\u003ch3\u003eLevel Shifting for Mixed-Voltage Systems\u003c\/h3\u003e\u003cp\u003eWith a 4.5V to 5.5V supply, this buffer can interface between 3.3V logic and 5V peripherals. The TTL-compatible inputs of the 54ACT family allow direct connection to lower-voltage controllers, providing a simple level-shifting solution without additional components.\u003c\/p\u003e\u003ch3\u003eDriving High-Capacitance Loads\u003c\/h3\u003e\u003cp\u003eThe buffer's high output drive capability makes it suitable for driving long PCB traces or multiple gate inputs. This is essential in large digital systems where fan-out is a concern, ensuring signals remain clean and within specified voltage thresholds.\u003c\/p\u003e\u003ch3\u003eIndustrial Control and Actuation\u003c\/h3\u003e\u003cp\u003eIn industrial environments with wide temperature swings, this buffer can condition control signals from a central PLC to remote actuators. The 3-State feature enables tri-stating outputs during system reset or diagnostics, preventing unintended actuation.\u003c\/p\u003e\u003ch3\u003eRadiation-Tolerant System Design\u003c\/h3\u003e\u003cp\u003eWhile not explicitly radiation-hardened, the 54ACT family is often used in high-reliability applications. The CFlatPack package offers a smaller footprint and better thermal performance, which is beneficial in sealed or vacuum environments where heat dissipation is challenging.\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\u003eSTMicroelectronics\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003e54ACT\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003eStrip | \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\u003e-\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\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-CFlatPack\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e20-CFlatPack\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 RHFACT244K1?\u003c\/dt\u003e\n\u003cdd\u003eA: It belongs to the 54ACT logic family, offering advanced CMOS performance with TTL-compatible inputs.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the function of this IC?\u003c\/dt\u003e\n\u003cdd\u003eA: It is a dual (2-channel) non-inverting buffer with 3-State outputs, ideal for bus driving and signal isolation.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the operating voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: The supply voltage range is 4.5V to 5.5V, making it suitable for standard 5V systems.\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 with high-impedance control.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 20-lead CFlatPack, designed for space-constrained and high-reliability applications.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the temperature range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates over the full military temperature range of -55°C to 125°C.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"STMicroelectronics","offers":[{"title":"Default Title","offer_id":53666213167393,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/products\/rhfact244k1","provider":"HQICKEY","version":"1.0","type":"link"}