{"schemaVersion":1,"slug":"logic-and-gate","name":"AND gate","kind":"symbol","abbreviation":"AND","aliases":["conjunction gate","logical AND"],"category":"logic-signals","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"A logic element whose output is true when all stated positive-logic inputs are true.","description":["A logic element whose output is true when all stated positive-logic inputs are true.","On a schematic, identify the input signal polarity and the required simultaneous conditions and trace the gate output and its destination. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","An AND gate combines logical conditions; it does not specify relay-contact current capacity or a safety integrity level.","Terminal letters describe electrical roles, not package pin numbers. Check the selected public datasheet for the actual pin assignment, polarity and any internally connected terminals before completing the drawing."],"readingNotes":["Identify the input signal polarity and the required simultaneous conditions.","Trace the gate output and its destination."],"drawingChecklist":["Label the input signal polarity and the required simultaneous conditions.","Cross-reference the gate output and its destination.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"An AND gate combines logical conditions; it does not specify relay-contact current capacity or a safety integrity level.","facts":[{"label":"Common schematic mnemonic","value":"AND — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"The input signal polarity and the required simultaneous conditions"},{"label":"Artwork scope","value":"Original educational component glyph; not a certified standard graphic or package pinout."}],"references":[{"sourceId":"pub-electronics-ti-hc08","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["logic-or-gate","plc-io"],"artwork":"electronics-gate-and","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/logic-and-gate","illustration":{"url":"https://eloragrid.ai/library/illustrations/logic-and-gate.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-hc08","title":"SN74HC08 — AND gate logic","publisher":"Texas Instruments","url":"https://www.ti.com/lit/ds/symlink/sn74hc08.pdf","type":"manufacturer","scope":"Public device-function and terminal documentation used as an example of and gate logic. 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."}]}