{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SN74LS27DR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SN74LS27DR","canonicalUrl":"https://icboms.com/texas-instruments/SN74LS27DR","factsUrl":"https://icboms.com/api/mcp/products/SN74LS27DR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments 74LS series NOR Gate IC, SN74LS27DR, triple 3-input, 14-SOIC (0.154\", 3.90mm Width), Surface Mount, 4.75V ~ 5.25V supply, 0°C ~ 70°C operating temperature.","salesMarkdown":"The SN74LS27DR is a triple 3-input NOR gate from Texas Instruments' 74LS low-power Schottky logic family. It integrates three independent NOR gates, each with three inputs, in a single 14-SOIC package. Quiescent current maxes at 4 mA, and output drive capability is 400 µA sourcing and 8 mA sinking per output. Propagation delay is 15 ns typical at 5 V with a 15 pF load. Input logic thresholds are TTL-compatible: low at 0.8 V max, high at 2 V min. ## Sourcing and availability This part is sourced through independent distribution channels. No stock-holding claim is made; each order is quoted to the buyer's BOM quantity. For volume purchases or scheduled deliveries, submit an RFQ with target quantity and required date. The part is not subject to last-time-buy or end-of-life constraints as of the current lifecycle status.","metaTitle":"TI SN74LS27DR NOR Gate IC, 3-ch 3-in, 14-SOIC, 74LS","metaDescription":"Texas Instruments SN74LS27DR triple 3-input NOR gate. 4.75-5.25V supply, 15ns prop delay at 5V/15pF. Active production, ROHS3 compliant. Sourced per RFQ.","metaKeywords":null},"attributes":{"series":"74LS","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Series":"74LS","Package":"Tape & Reel (TR); Cut Tape (CT)","Logic Type":"NOR Gate","Mounting Type":"Surface Mount","Package / Case":"14-SOIC (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","Number of Inputs":"3","Voltage - Supply":"4.75V ~ 5.25V","Number of Circuits":"3","Operating Temperature":"0°C ~ 70°C","Input Logic Level - Low":"0.8V","Supplier Device Package":"14-SOIC","Input Logic Level - High":"2V","Current - Quiescent (Max)":"4 mA","Current - Output High, Low":"400µA, 8mA","Max Propagation Delay @ V, Max CL":"15ns @ 5V, 15pF"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.17","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$1.17000","currency":"USD"},{"qty":10,"price":"$1.04400","currency":"USD"},{"qty":25,"price":"$0.99120","currency":"USD"},{"qty":100,"price":"$0.81430","currency":"USD"},{"qty":250,"price":"$0.76120","currency":"USD"},{"qty":500,"price":"$0.67268","currency":"USD"},{"qty":1000,"price":"$0.53106","currency":"USD"},{"qty":2500,"price":"$0.50100","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/eed22ddee164dfed8d0f4abfa2cc7c13.pdf","sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SN74LS27DR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SN74LS27DR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}