{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SN65HVD1781DRG4","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SN65HVD1781DRG4","canonicalUrl":"https://icboms.com/texas-instruments/SN65HVD1781DRG4","factsUrl":"https://icboms.com/api/mcp/products/SN65HVD1781DRG4","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments SN65HVD1781DRG4, RS-422/RS-485 Transceiver, Half-Duplex, 1 Driver/1 Receiver, 1 Mbps, 3.15V-5.5V, -40°C~125°C, 8-SOIC.","salesMarkdown":"## Industrial bus transceiver with wide supply tolerance ## 3.3 V supply compatibility — confirmed Yes, this part works with a 3.3 V supply. The voltage range bottoms out at 3.15 V, so a nominal 3.3 V rail with 5% tolerance stays inside spec. It is RoHS compliant per the standard TI green packaging. The base product number is 65HVD1781, so any suffix variant (DR, DRG4) shares the same die and parametric core. Surface-mount 8-SOIC with 3.90 mm body width (0.154 inch). No thermal pad, no exposed paddle; just the eight pins and the usual 1.27 mm pitch.","metaTitle":"TI SN65HVD1781DRG4 RS-485/422 Transceiver, 1 Mbps, 8-SOIC","metaDescription":"Texas Instruments SN65HVD1781DRG4 half-duplex RS-485/422 transceiver, 1 Mbps data rate, 3.15V-5.5V supply, -40°C to 125°C, 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":"Tape & Reel (TR); Cut Tape (CT)","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":"$6.7500","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/e287f2226680a394c104a94bb30d6d78.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/SN65HVD1781DRG4/alternatives.json"},"ai":{"faq":[{"question":"Can SN65HVD1781DRG4 be used with a 3.3 V supply?","answer":"Yes. The supply voltage range is 3.15 V to 5.5 V, so a nominal 3.3 V rail (with typical 5% tolerance) is well within spec. No level shifter needed between a 3.3 V MCU and this transceiver."},{"question":"What is the difference between SN65HVD1781DRG4 and SN65HVD1781DR?","answer":"The DRG4 suffix indicates TI's green (RoHS-compliant) packaging. The DR suffix is an earlier non-green variant. The only difference is the lead-free / RoHS compliance level."},{"question":"Is SN65HVD1781DRG4 RoHS compliant?","answer":"Yes. The G4 suffix designates TI's green, RoHS-compliant packaging. This part meets the RoHS directive for lead-free soldering processes."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SN65HVD1781DRG4","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SN65HVD1781DRG4 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}}