{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SN74HCT14DBR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SN74HCT14DBR","canonicalUrl":"https://icboms.com/texas-instruments/SN74HCT14DBR","factsUrl":"https://icboms.com/api/mcp/products/SN74HCT14DBR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments 74HCT series, SN74HCT14DBR, Hex Inverter with Schmitt Trigger, 6 circuits, 1 input per circuit, 4.5V ~ 5.5V supply, 30ns @ 5.5V, 50pF max propagation delay, -40°C ~ 85°C, 14-SSOP package, Surface Mount.","salesMarkdown":"## What the 30 ns propagation delay buys you The Texas Instruments SN74HCT14DBR is a hex inverter with Schmitt-trigger inputs from the 74HCT series. The 30 ns maximum propagation delay at 5.5 V and 50 pF load sets the timing floor for the signal path — enough margin for 10 MHz clock distribution or debounced switch inputs without worrying about race conditions. The Schmitt-trigger inputs (0.5 V to 0.6 V low threshold, 1.9 V to 2.1 V high threshold) clean up slow edges from mechanical switches, RC oscillators, or noisy sensor outputs, giving a clean digital level straight into the next logic stage. ## Supply voltage and temperature — industrial range Quiescent current tops out at 2 µA, so it does not load the supply in low-power standby states. ## Package and marking authenticity check Housed in a 14-SSOP package (0.209\" body width, 5.30 mm), surface-mount only. The supplier device package is 14-SSOP. For counterfeit screening, the laser-etched marking on the top of the package should match TI's font and date-code format for the week of manufacture. The ROHS3 compliance marking is part of the standard TI marking — any deviation in font, alignment, or missing compliance symbol flags a potential remark.","metaTitle":"SN74HCT14DBR Texas Instruments 74HCT Hex Inverter Schmitt","metaDescription":"Texas Instruments SN74HCT14DBR hex inverter with Schmitt-trigger inputs, 4.5V–5.5V supply, 30ns propagation delay at 50pF, 14-SSOP.","metaKeywords":null},"attributes":{"series":"74HCT","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Logic ICs"],"specifications":{"Series":"74HCT","Package":"Tape & Reel (TR); Cut Tape (CT)","Features":"Schmitt Trigger","Logic Type":"Inverter","Mounting Type":"Surface Mount","Package / Case":"14-SSOP (0.209\\\", 5.30mm Width)","lifecycle_stage":"eol_hot","Number of Inputs":"1","Voltage - Supply":"4.5V ~ 5.5V","Number of Circuits":"6","Operating Temperature":"-40°C ~ 85°C","Input Logic Level - Low":"0.5V ~ 0.6V","Supplier Device Package":"14-SSOP","Input Logic Level - High":"1.9V ~ 2.1V","Current - Quiescent (Max)":"2 µA","Current - Output High, Low":"4mA, 4mA","Max Propagation Delay @ V, Max CL":"30ns @ 5.5V, 50pF"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.47","priceTiers":[{"qty":1,"price":"$0.47000","currency":"USD"},{"qty":10,"price":"$0.40100","currency":"USD"},{"qty":25,"price":"$0.37480","currency":"USD"},{"qty":100,"price":"$0.29980","currency":"USD"},{"qty":250,"price":"$0.27836","currency":"USD"},{"qty":500,"price":"$0.23554","currency":"USD"},{"qty":1000,"price":"$0.18200","currency":"USD"},{"qty":2000,"price":"$0.16595","currency":"USD"},{"qty":6000,"price":"$0.15524","currency":"USD"},{"qty":10000,"price":"$0.15150","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/8d88de39ec2300c0eb42ce5fd82c9286.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/SN74HCT14DBR/alternatives.json"},"ai":{"faq":[{"question":"Is SN74HCT14DBR compatible with 3.3V logic?","answer":"No. Its input thresholds (low 0.5 V–0.6 V, high 1.9 V–2.1 V) are TTL-compatible at 5 V. At 3.3 V the high threshold may not be met reliably, so it is not recommended for 3.3 V logic systems."},{"question":"What is the difference between SN74HCT14DBR and SN74HC14DBR?","answer":"The SN74HCT14DBR has TTL-compatible input thresholds (low 0.5 V–0.6 V, high 1.9 V–2.1 V) designed to interface directly with 5 V TTL logic. The SN74HC14 variant uses CMOS-level thresholds, which are a fraction of VCC. For a 5 V system fed by TTL outputs, the HCT version is the correct choice to guarantee logic-level recognition."},{"question":"What is the equivalent of SN74HCT14DBR?","answer":"The SN74HCS04PWR (74HCS series) is a hex inverter with Schmitt-trigger inputs in a 14-TSSOP package, but it operates from 2 V to 6 V and has a faster 16 ns propagation delay at 6 V, 50 pF. The SN74HCS14QDRQ1 is an automotive-grade (AEC-Q100) variant of the same function. Neither is a drop-in replacement due to different input thresholds and supply range, but they serve the same functional role in designs that can accommodate the parametric shift."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SN74HCT14DBR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SN74HCT14DBR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}