{"product_id":"74ac540sjx","title":"74AC540SJX","description":"\u003cp\u003eThe 74AC540SJX from Fairchild Semiconductor is a single inverting buffer with 3-state output. It operates from 2V to 6V, making it versatile for both 3.3V and 5V applications. The device can sink or source 24mA, providing strong drive for bus lines and peripheral loads. Packaged in a 20-SOIC, it is suitable for industrial controls, test equipment, and general-purpose logic circuits where a single inverting buffer with high-impedance capability is needed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle-Channel Simplicity: Ideal for designs requiring only one inverting buffer, saving board space.\u003c\/li\u003e\n\u003cli\u003eWide 2V to 6V Operation: Compatible with multiple voltage standards, enhancing design flexibility.\u003c\/li\u003e\n\u003cli\u003e3-State Output: Enables bus sharing and prevents bus contention.\u003c\/li\u003e\n\u003cli\u003e24mA Drive Capability: Ensures reliable signal transmission to multiple loads.\u003c\/li\u003e\n\u003cli\u003e74AC High-Speed Family: Provides low propagation delay for time-sensitive circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSingle-Channel Bus Buffering\u003c\/h3\u003e\u003cp\u003eUse the 74AC540SJX when only one inverting buffer channel is needed. Its 3-state output allows direct connection to a data bus, reducing component count.\u003c\/p\u003e\u003ch3\u003eSignal Conditioning in 5V Systems\u003c\/h3\u003e\u003cp\u003eIn legacy 5V industrial equipment, this buffer provides clean signal amplification. The 24mA output current drives multiple TTL loads without degradation.\u003c\/p\u003e\u003ch3\u003eLevel Translation for 3.3V to 5V\u003c\/h3\u003e\u003cp\u003eWith a 2V to 6V range, it can accept 3.3V inputs and output 5V levels, acting as a simple level shifter for mixed-voltage designs.\u003c\/p\u003e\u003ch3\u003eDriving High-Capacitance Loads\u003c\/h3\u003e\u003cp\u003eThe robust output stage handles capacitive loads like long PCB traces or multiple gate inputs, maintaining signal integrity in complex boards.\u003c\/p\u003e\u003ch3\u003eTest Fixtures and Prototyping\u003c\/h3\u003e\u003cp\u003eIn lab setups, this buffer isolates the device under test from the measurement equipment, preventing loading effects and ensuring accurate readings.\u003c\/p\u003e\u003ch3\u003ePower Supply Sequencing Logic\u003c\/h3\u003e\u003cp\u003eUse the inverting buffer to generate complementary control signals for power supply enable\/disable sequences in multi-rail systems.\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\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\u003e1\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\u003e24mA, 24mA\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-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 (0.209\", 5.30mm Width)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e20-SOP\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 74AC540SJX?\u003c\/dt\u003e\n\u003cdd\u003eA: It belongs to the 74AC family, known for high-speed CMOS operation.\u003c\/dd\u003e\n\u003cdt\u003eQ: What function does this IC perform?\u003c\/dt\u003e\n\u003cdd\u003eA: It is a single inverting buffer with 3-state outputs, ideal for bus driving.\u003c\/dd\u003e\n\u003cdt\u003eQ: How many channels does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It has 1 channel, providing a single inverting buffer path.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the output type?\u003c\/dt\u003e\n\u003cdd\u003eA: The output is 3-State, allowing connection to a shared bus with high-impedance state.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from 2V to 6V, supporting both 3.3V and 5V logic.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It is offered in a 20-SOIC (0.209\", 5.30mm Width) package.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Fairchild Semiconductor","offers":[{"title":"Default Title","offer_id":53665870151969,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/de\/products\/74ac540sjx","provider":"HQICKEY","version":"1.0","type":"link"}