{"schemaVersion":1,"slug":"schmitt-trigger-buffer","name":"Schmitt-trigger buffer","kind":"symbol","abbreviation":"SCHMITT","aliases":["noninverting Schmitt trigger","hysteresis buffer"],"category":"logic-signals","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"A non-inverting digital element with separate rising and falling input thresholds.","description":["A non-inverting digital element with separate rising and falling input thresholds.","On a schematic, identify the input signal and manufacturer hysteresis/threshold definition and trace the non-inverted digital output. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","A Schmitt buffer preserves logical polarity, unlike a Schmitt-trigger inverter.","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 and manufacturer hysteresis/threshold definition.","Trace the non-inverted digital output."],"drawingChecklist":["Label the input signal and manufacturer hysteresis/threshold definition.","Cross-reference the non-inverted digital output.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"A Schmitt buffer preserves logical polarity, unlike a Schmitt-trigger inverter.","facts":[{"label":"Common schematic mnemonic","value":"SCHMITT — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"The input signal and manufacturer hysteresis/threshold definition"},{"label":"Artwork scope","value":"Original educational component glyph; not a certified standard graphic or package pinout."}],"references":[{"sourceId":"pub-electronics-ti-lvc17","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["schmitt-trigger-inverter","plc-io"],"artwork":"electronics-gate-schmitt","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/schmitt-trigger-buffer","illustration":{"url":"https://eloragrid.ai/library/illustrations/schmitt-trigger-buffer.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-lvc17","title":"SN74LVC1G17 — non-inverting Schmitt buffers","publisher":"Texas Instruments","url":"https://www.ti.com/product/SN74LVC1G17","type":"manufacturer","scope":"Public device-function and terminal documentation used as an example of non-inverting schmitt buffers. 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."}]}