{"schemaVersion":1,"slug":"logic-bus-transceiver","name":"Logic bus transceiver","kind":"symbol","abbreviation":"BUS-TR","aliases":["bidirectional digital buffer","bus transceiver"],"category":"logic-signals","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Drives data between two digital buses according to the selected direction and enable conditions.","description":["Drives data between two digital buses according to the selected direction and enable conditions.","On a schematic, identify the A/B bus domains, direction input and output-enable polarity and trace the active direction and high-impedance bus behaviour. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","A transceiver supports a defined direction-control arrangement; it is not automatically a protocol controller or an isolator.","The preview is an independently drawn educational functional reference. Add the selected component’s actual power pins, terminal numbers, timing or analogue reference details when producing a construction drawing."],"readingNotes":["Identify the A/B bus domains, direction input and output-enable polarity.","Trace the active direction and high-impedance bus behaviour."],"drawingChecklist":["Label the A/B bus domains, direction input and output-enable polarity.","Cross-reference the active direction and high-impedance bus behaviour.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"A transceiver supports a defined direction-control arrangement; it is not automatically a protocol controller or an isolator.","facts":[{"label":"Common schematic mnemonic","value":"BUS-TR — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"The A/B bus domains, direction input and output-enable polarity"},{"label":"Artwork scope","value":"Original educational functional/circuit reference; not a selected product pinout."}],"references":[{"sourceId":"pub-electronics-ti-hc245","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["logic-three-state-buffer","plc-io"],"artwork":"electronics-logic-transceiver","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/logic-bus-transceiver","illustration":{"url":"https://eloragrid.ai/library/illustrations/logic-bus-transceiver.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pub-electronics-ti-hc245","title":"SN74HC245 — bidirectional bus transceivers","publisher":"Texas Instruments","url":"https://www.ti.com/lit/ds/symlink/sn74hc245.pdf","type":"manufacturer","scope":"Public device-function and terminal documentation used as an example of bidirectional bus transceivers. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}]}