{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SN65HVD1781DG4","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SN65HVD1781DG4","canonicalUrl":"https://icboms.com/texas-instruments/SN65HVD1781DG4","factsUrl":"https://icboms.com/api/mcp/products/SN65HVD1781DG4","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments SN65HVD1781DG4, RS-422/RS-485 Transceiver, Half-Duplex, 1 Driver/1 Receiver, 1 Mbps, 3.15V~5.5V, -40°C~125°C, 8-SOIC, Tube.","salesMarkdown":"## RS-485 transceiver for industrial and mixed-voltage buses ## Supply voltage and 3.3 V compatibility The receiver inputs are also compatible with 3.3 V logic levels when the supply is 3.3 V, so no external translation is needed for a 3.3 V UART or microcontroller. At 5 V the driver output swing meets the RS-485 standard for longer or more heavily loaded buses.","metaTitle":"TI SN65HVD1781DG4 RS-485 Transceiver, 1 Mbps, 3.15V–5.5V","metaDescription":"Texas Instruments SN65HVD1781DG4 half-duplex RS-422/RS-485 transceiver. 1 Mbps data rate, 3.15V–5.5V supply, -40°C to 125°C. Active lifecycle, 8-SOIC.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Interface & Transceivers"],"specifications":{"Mfr":"Texas Instruments","Type":"Transceiver","Duplex":"Half","Series":"-","Package":"Tube","Protocol":"RS422, RS485","Data Rate":"1Mbps","Mounting Type":"Surface Mount","Package / Case":"8-SOIC (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"3.15V ~ 5.5V","Base Product Number":"65HVD1781","Receiver Hysteresis":"50 mV","Operating Temperature":"-40°C~125°C","Supplier Device Package":"8-SOIC","Number of Drivers/Receivers":"1/1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$5.4400","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/e287f2226680a394c104a94bb30d6d78.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/SN65HVD1781DG4/alternatives.json"},"ai":{"faq":[{"question":"What is the difference between SN65HVD1781DG4 and SN65HVD1781DR?","answer":"The two parts are electrically identical. The only difference is the shipping medium: the DG4 suffix indicates Tube packaging, while the DR suffix indicates Tape & Reel. Both are 8-SOIC, active, and share the same datasheet."},{"question":"Is SN65HVD1781DG4 compatible with 3.3 V systems?","answer":"Yes. The supply range includes 3.3 V, and the receiver inputs accept 3.3 V logic levels when powered from a 3.3 V rail. No external level translation is required for a 3.3 V UART."},{"question":"What is the data rate of SN65HVD1781DG4?","answer":"The device supports data rates up to 1 Mbps, suitable for most industrial RS-485 fieldbus and building automation applications."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SN65HVD1781DG4","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SN65HVD1781DG4 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}}