{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SN74LS138DR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SN74LS138DR","canonicalUrl":"https://icboms.com/texas-instruments/SN74LS138DR","factsUrl":"https://icboms.com/api/mcp/products/SN74LS138DR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments 74LS series Decoder/Demultiplexer, SN74LS138DR, 1 x 3:8 circuit, 4.75V ~ 5.25V supply, 16-SOIC surface mount, 0°C ~ 70°C.","salesMarkdown":"## Device function and supply rail fit The SN74LS138DR is a 3-to-8 line decoder/demultiplexer from the 74LS Schottky-clamped TTL family, decoding one 3-bit binary input into eight mutually exclusive active-low outputs. The 400 µA output high and 8 mA output low current ratings set the fan-out limit: each output can drive up to 10 standard 74LS loads, but driving a heavier bus or LED requires a buffer stage. ## Package and board integration The 1.27 mm pin pitch of the SOIC-16 body is layout-friendly — two-layer boards with 0.25 mm traces can route the eight outputs and three enable inputs without a via farm.","metaTitle":"SN74LS138DR 74LS Decoder/Demux 1x3:8, 16-SOIC","metaDescription":"Texas Instruments SN74LS138DR decoder/demultiplexer, 1 x 3:8 circuit, 4.75-5.25V supply, 16-SOIC. Active, ROHS3. Quoted to order.","metaKeywords":null},"attributes":{"series":"74LS","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Type":"Decoder/Demultiplexer","Series":"74LS","Circuit":"1 x 3:8","Package":"Tape & Reel (TR); Cut Tape (CT)","Mounting Type":"Surface Mount","Package / Case":"16-SOIC (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"4.75V ~ 5.25V","Independent Circuits":"1","Operating Temperature":"0°C ~ 70°C","Voltage Supply Source":"Single Supply","Supplier Device Package":"16-SOIC","Current - Output High, Low":"400µA, 8mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.86","priceTiers":[{"qty":1,"price":"$0.86000","currency":"USD"},{"qty":10,"price":"$0.75900","currency":"USD"},{"qty":25,"price":"$0.71320","currency":"USD"},{"qty":100,"price":"$0.58200","currency":"USD"},{"qty":250,"price":"$0.54056","currency":"USD"},{"qty":500,"price":"$0.46004","currency":"USD"},{"qty":1000,"price":"$0.36803","currency":"USD"},{"qty":2500,"price":"$0.33353","currency":"USD"},{"qty":5000,"price":"$0.32550","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/a2a6db0ff07322d193a670f2cfc006b5.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/SN74LS138DR/alternatives.json"},"ai":{"faq":[{"question":"How can I order the SN74LS138DR or check availability?","answer":"The SN74LS138DR is sourced through authorized and independent distribution channels."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SN74LS138DR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SN74LS138DR 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}}