{"schemaVersion":1,"slug":"retriggerable-monostable","name":"Retriggerable monostable","kind":"symbol","abbreviation":"ONE-SHOT","aliases":["one shot","retriggerable pulse timer"],"category":"logic-signals","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Produces a timed output pulse that can be extended by a qualifying retrigger condition.","description":["Produces a timed output pulse that can be extended by a qualifying retrigger condition.","On a schematic, identify the trigger polarities, clear input and timing components and trace the pulse/complemented outputs and timed control use. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","A retriggerable one-shot differs from a non-retriggerable pulse generator or a free-running oscillator.","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 trigger polarities, clear input and timing components.","Trace the pulse/complemented outputs and timed control use."],"drawingChecklist":["Label the trigger polarities, clear input and timing components.","Cross-reference the pulse/complemented outputs and timed control use.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"A retriggerable one-shot differs from a non-retriggerable pulse generator or a free-running oscillator.","facts":[{"label":"Common schematic mnemonic","value":"ONE-SHOT — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"The trigger polarities, clear input and timing components"},{"label":"Artwork scope","value":"Original educational functional/circuit reference; not a selected product pinout."}],"references":[{"sourceId":"pub-electronics-ti-hc123","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["watchdog-timer","plc-io"],"artwork":"electronics-logic-monostable","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/retriggerable-monostable","illustration":{"url":"https://eloragrid.ai/library/illustrations/retriggerable-monostable.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-hc123","title":"CD74HC123 — retriggerable monostables","publisher":"Texas Instruments","url":"https://www.ti.com/product/CD74HC123","type":"manufacturer","scope":"Public device-function and terminal documentation used as an example of retriggerable monostables. 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."}]}