{"schemaVersion":1,"slug":"binary-full-adder","name":"Binary full adder","kind":"symbol","abbreviation":"ADD","aliases":["binary adder","full adder","digital addition"],"category":"logic-signals","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Adds binary input words with the documented carry-in and produces sum and carry outputs.","description":["Adds binary input words with the documented carry-in and produces sum and carry outputs.","On a schematic, identify the input word buses, bit order and carry-in and trace the sum word and carry-out/cascade connection. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","A full adder performs arithmetic; an OR gate cannot replace its sum/carry relationships.","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 input word buses, bit order and carry-in.","Trace the sum word and carry-out/cascade connection."],"drawingChecklist":["Label the input word buses, bit order and carry-in.","Cross-reference the sum word and carry-out/cascade connection.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"A full adder performs arithmetic; an OR gate cannot replace its sum/carry relationships.","facts":[{"label":"Common schematic mnemonic","value":"ADD — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"The input word buses, bit order and carry-in"},{"label":"Artwork scope","value":"Original educational functional/circuit reference; not a selected product pinout."}],"references":[{"sourceId":"pub-electronics-ti-hc283","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["logic-xor-gate","plc-io"],"artwork":"electronics-logic-adder","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/binary-full-adder","illustration":{"url":"https://eloragrid.ai/library/illustrations/binary-full-adder.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-hc283","title":"CD74HC283 — binary full adders","publisher":"Texas Instruments","url":"https://www.ti.com/product/CD74HC283","type":"manufacturer","scope":"Public device-function and terminal documentation used as an example of binary full adders. 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."}]}