{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SN74HC42D","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SN74HC42D","canonicalUrl":"https://icboms.com/texas-instruments/SN74HC42D","factsUrl":"https://icboms.com/api/mcp/products/SN74HC42D","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments 74HC series BCD-to-decimal decoder, 1 x 4:10 circuit, 16-SOIC (0.154\", 3.90mm Width) surface-mount package, 2V to 6V single-supply, -40°C to 85°C operating temperature.","salesMarkdown":"## 16-SOIC footprint and board integration The SN74HC42D: The 1 x 4:10 circuit maps a 4-bit BCD input to one of ten active-low outputs, a common pattern for driving seven-segment displays, relay matrices, or address decoding in 74HC-based logic systems. ## Output drive and fan-out Each output sources or sinks 5.2 mA — enough to drive a standard TTL input or a low-current LED directly, but not a relay coil or high-capacitance bus without a buffer. RoHS3 compliant (2011/65/EU + 2015/863), with no exemptions that would restrict EU-market shipments.","metaTitle":"SN74HC42D Decoder 1x4:10, 16-SOIC, 2V-6V","metaDescription":"Texas Instruments SN74HC42D BCD-to-decimal decoder, 1 x 4:10 circuit, 16-SOIC package, 2V-6V supply, -40 to 85°C. Active production, RoHS3. Sourced per RFQ.","metaKeywords":null},"attributes":{"series":"74HC","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Interface & Transceivers"],"specifications":{"Type":"Decoder","Series":"74HC","Circuit":"1 x 4:10","Package":"Tube","Mounting Type":"Surface Mount","Package / Case":"16-SOIC (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"2V ~ 6V","Independent Circuits":"1","Operating Temperature":"-40°C ~ 85°C","Voltage Supply Source":"Single Supply","Supplier Device Package":"16-SOIC","Current - Output High, Low":"5.2mA, 5.2mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.97","priceTiers":[{"qty":1,"price":"$0.97000","currency":"USD"},{"qty":10,"price":"$0.85700","currency":"USD"},{"qty":25,"price":"$0.80520","currency":"USD"},{"qty":100,"price":"$0.65700","currency":"USD"},{"qty":250,"price":"$0.61028","currency":"USD"},{"qty":500,"price":"$0.51940","currency":"USD"},{"qty":1000,"price":"$0.41552","currency":"USD"},{"qty":2500,"price":"$0.37656","currency":"USD"},{"qty":5000,"price":"$0.36750","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/69b4206a44860c71605c7f1bfd8e6a58.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/SN74HC42D/alternatives.json"},"ai":{"faq":[{"question":"What is the SN74HC42D's function and how does it decode?","answer":"The SN74HC42D is a BCD-to-decimal decoder with a 1 x 4:10 circuit — it takes a 4-bit binary-coded decimal input and asserts one of ten active-low outputs corresponding to the decimal value 0 through 9. Inputs above 1001 (10-15) produce all outputs high, which is the standard behaviour for a 74HC42."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SN74HC42D","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SN74HC42D 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}}