{"schemaVersion":1,"slug":"synchronous-binary-counter","name":"Synchronous binary counter","kind":"symbol","abbreviation":"CTR-SYNC","aliases":["synchronous counter","binary count register"],"category":"logic-signals","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Updates its binary count from a common clock with the documented count-enable, load and clear controls.","description":["Updates its binary count from a common clock with the documented count-enable, load and clear controls.","On a schematic, identify the common clock, enables, load data and reset timing and trace the count outputs and carry/cascade signal. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","Synchronous operation does not remove setup/hold and output-delay requirements; reset can be synchronous or asynchronous depending on the part.","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 common clock, enables, load data and reset timing.","Trace the count outputs and carry/cascade signal."],"drawingChecklist":["Label the common clock, enables, load data and reset timing.","Cross-reference the count outputs and carry/cascade signal.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"Synchronous operation does not remove setup/hold and output-delay requirements; reset can be synchronous or asynchronous depending on the part.","facts":[{"label":"Common schematic mnemonic","value":"CTR-SYNC — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"The common clock, enables, load data and reset timing"},{"label":"Artwork scope","value":"Original educational functional/circuit reference; not a selected product pinout."}],"references":[{"sourceId":"pub-electronics-ti-hc163","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["ripple-binary-counter","plc-io"],"artwork":"electronics-memory-counter","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/synchronous-binary-counter","illustration":{"url":"https://eloragrid.ai/library/illustrations/synchronous-binary-counter.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-hc163","title":"SN74HC163 — synchronous binary counters","publisher":"Texas Instruments","url":"https://www.ti.com/lit/ds/symlink/sn74hc163.pdf","type":"manufacturer","scope":"Public device-function and terminal documentation used as an example of synchronous binary counters. 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."}]}