component
74LVC257AD
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+164−8@@ -1,13 +1,174 @@ {+ "schema_version": 1,+ "type": "component", "slug": "74lvc257ad",+ "title": "74LVC257AD",+ "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", "74lvc257ad" ],+ "component": {+ "mpn": "74LVC257AD",+ "manufacturer": "Nexperia",+ "package": "SOIC-16",+ "pin_count": 16,+ "category": "Logic",+ "subcategory": "Signal Switches / Encoders & Decoders / Multiplexers",+ "datasheet": "https://assets.nexperia.com/documents/data-sheet/74LVC257AD.pdf",+ "parts": {+ "symbol": "74lvc257ad.kicad_sym",+ "footprint": "74lvc257ad.kicad_mod",+ "model_3d": "74lvc257ad.glb",+ "model_3d_step": "74lvc257ad.step",+ "lbr": "74lvc257ad.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "S",+ "type": "input",+ "description": "Common data select input. LOW selects the nI0 inputs, HIGH selects the nI1 inputs, routed to the respective nY outputs. Schmitt-trigger CMOS input, 5.5 V tolerant."+ },+ {+ "number": "2",+ "name": "1I0",+ "type": "input",+ "description": "Channel 1 data input from source 0. Routed to output 1Y when S is LOW and /OE is LOW. Schmitt-trigger CMOS input, 5.5 V tolerant."+ },+ {+ "number": "3",+ "name": "1I1",+ "type": "input",+ "description": "Channel 1 data input from source 1. Routed to output 1Y when S is HIGH and /OE is LOW. Schmitt-trigger CMOS input, 5.5 V tolerant."+ },+ {+ "number": "4",+ "name": "1Y",+ "type": "tri_state",+ "description": "Channel 1 3-state multiplexer output. Drives either 1I0 or 1I1 according to S; high-impedance when /OE is HIGH. Rated for 50 \u03a9 transmission-line drive at 85 \u00b0C."+ },+ {+ "number": "5",+ "name": "2I0",+ "type": "input",+ "description": "Channel 2 data input from source 0. Routed to output 2Y when S is LOW and /OE is LOW. Schmitt-trigger CMOS input, 5.5 V tolerant."+ },+ {+ "number": "6",+ "name": "2I1",+ "type": "input",+ "description": "Channel 2 data input from source 1. Routed to output 2Y when S is HIGH and /OE is LOW. Schmitt-trigger CMOS input, 5.5 V tolerant."+ },+ {+ "number": "7",+ "name": "2Y",+ "type": "tri_state",+ "description": "Channel 2 3-state multiplexer output. Drives either 2I0 or 2I1 according to S; high-impedance when /OE is HIGH. Rated for 50 \u03a9 transmission-line drive at 85 \u00b0C."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference (0 V). Connect to system ground."+ },+ {+ "number": "9",+ "name": "3Y",+ "type": "tri_state",+ "description": "Channel 3 3-state multiplexer output. Drives either 3I0 or 3I1 according to S; high-impedance when /OE is HIGH. Rated for 50 \u03a9 transmission-line drive at 85 \u00b0C."+ },+ {+ "number": "10",+ "name": "3I1",+ "type": "input",+ "description": "Channel 3 data input from source 1. Routed to output 3Y when S is HIGH and /OE is LOW. Schmitt-trigger CMOS input, 5.5 V tolerant."+ },+ {+ "number": "11",+ "name": "3I0",+ "type": "input",+ "description": "Channel 3 data input from source 0. Routed to output 3Y when S is LOW and /OE is LOW. Schmitt-trigger CMOS input, 5.5 V tolerant."+ },+ {+ "number": "12",+ "name": "4Y",+ "type": "tri_state",+ "description": "Channel 4 3-state multiplexer output. Drives either 4I0 or 4I1 according to S; high-impedance when /OE is HIGH. Rated for 50 \u03a9 transmission-line drive at 85 \u00b0C."+ },+ {+ "number": "13",+ "name": "4I1",+ "type": "input",+ "description": "Channel 4 data input from source 1. Routed to output 4Y when S is HIGH and /OE is LOW. Schmitt-trigger CMOS input, 5.5 V tolerant."+ },+ {+ "number": "14",+ "name": "4I0",+ "type": "input",+ "description": "Channel 4 data input from source 0. Routed to output 4Y when S is LOW and /OE is LOW. Schmitt-trigger CMOS input, 5.5 V tolerant."+ },+ {+ "number": "15",+ "name": "/OE",+ "type": "input",+ "description": "3-state output enable input, active LOW. When HIGH, all nY outputs are placed into the high-impedance state; when LOW, outputs follow the selected inputs. Schmitt-trigger CMOS input, 5.5 V tolerant."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply voltage. Recommended operating range 1.65 V to 3.6 V (functional down to 1.2 V); absolute maximum 6.5 V. Decouple locally to GND."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://assets.nexperia.com/documents/data-sheet/74LVC257AD.pdf",+ "pages": 14,+ "sha256": "3a23e9adf4d0e855",+ "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"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "74lvc257ad"+ ],+ "discovery_pitch": "74LVC257AD (Nexperia) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +186,5 @@ "docs/74lvc257ad-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }