component
74HC257D
Public Made by Adomby adom
Nexperia Signal Switches / Encoders & Decoders / Multiplexers, SOIC-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+174−8@@ -1,13 +1,184 @@ {+ "schema_version": 1,+ "type": "component", "slug": "74hc257d",+ "title": "74HC257D",+ "brief": "Nexperia Signal Switches / Encoders & Decoders / Multiplexers, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Nexperia Signal Switches / Encoders & Decoders / Multiplexers, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "logic", "74hc257d" ],+ "component": {+ "mpn": "74HC257D",+ "manufacturer": "Nexperia",+ "package": "SOIC-16",+ "pin_count": 16,+ "category": "Logic",+ "subcategory": "Signal Switches / Encoders & Decoders / Multiplexers",+ "datasheet": "https://assets.nexperia.com/documents/data-sheet/74HC257D.pdf",+ "parts": {+ "symbol": "74hc257d.kicad_sym",+ "footprint": "74hc257d.kicad_mod",+ "model_3d": "74hc257d.glb",+ "model_3d_step": "74hc257d.step",+ "lbr": "74hc257d.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "S",+ "type": "input",+ "description": "Common data select input. Selects between the nI0 inputs (S=LOW) and nI1 inputs (S=HIGH) routed to the nY outputs."+ },+ {+ "number": "2",+ "name": "1I0",+ "type": "input",+ "description": "Data input from source 0 for multiplexer channel 1. Routed to 1Y when S=LOW and OE=LOW."+ },+ {+ "number": "3",+ "name": "1I1",+ "type": "input",+ "description": "Data input from source 1 for multiplexer channel 1. Routed to 1Y when S=HIGH and OE=LOW."+ },+ {+ "number": "4",+ "name": "1Y",+ "type": "tri_state",+ "description": "3-state multiplexer output for channel 1. High-impedance when OE=HIGH."+ },+ {+ "number": "5",+ "name": "2I0",+ "type": "input",+ "description": "Data input from source 0 for multiplexer channel 2. Routed to 2Y when S=LOW and OE=LOW."+ },+ {+ "number": "6",+ "name": "2I1",+ "type": "input",+ "description": "Data input from source 1 for multiplexer channel 2. Routed to 2Y when S=HIGH and OE=LOW."+ },+ {+ "number": "7",+ "name": "2Y",+ "type": "tri_state",+ "description": "3-state multiplexer output for channel 2. High-impedance when OE=HIGH."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground (0 V) reference."+ },+ {+ "number": "9",+ "name": "3Y",+ "type": "tri_state",+ "description": "3-state multiplexer output for channel 3. High-impedance when OE=HIGH."+ },+ {+ "number": "10",+ "name": "3I1",+ "type": "input",+ "description": "Data input from source 1 for multiplexer channel 3. Routed to 3Y when S=HIGH and OE=LOW."+ },+ {+ "number": "11",+ "name": "3I0",+ "type": "input",+ "description": "Data input from source 0 for multiplexer channel 3. Routed to 3Y when S=LOW and OE=LOW."+ },+ {+ "number": "12",+ "name": "4Y",+ "type": "tri_state",+ "description": "3-state multiplexer output for channel 4. High-impedance when OE=HIGH."+ },+ {+ "number": "13",+ "name": "4I1",+ "type": "input",+ "description": "Data input from source 1 for multiplexer channel 4. Routed to 4Y when S=HIGH and OE=LOW."+ },+ {+ "number": "14",+ "name": "4I0",+ "type": "input",+ "description": "Data input from source 0 for multiplexer channel 4. Routed to 4Y when S=LOW and OE=LOW."+ },+ {+ "number": "15",+ "name": "OE",+ "type": "input",+ "description": "3-state output enable input, active LOW. When OE=HIGH, all nY outputs are in the high-impedance OFF-state."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage. 2.0 V to 6.0 V for 74HC257; 4.5 V to 5.5 V for 74HCT257."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://assets.nexperia.com/documents/data-sheet/74HC257D.pdf",+ "pages": 15,+ "sha256": "9a5ab16a50053e88",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Nexperia",+ "Package": "SOIC-16",+ "Category": "Logic",+ "Pins": "16"+ }+ },+ "variants": [+ {+ "mpn": "74HC257DD",+ "kind": "packaging"+ },+ {+ "mpn": "74HC257DPW",+ "kind": "packaging"+ }+ ],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "74hc257d"+ ],+ "discovery_pitch": "74HC257D (Nexperia) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +196,5 @@ "docs/74hc257d-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }