component
74HC138M
Public Made by Adomby adom
HGSEMI Signal Switches / Encoders & Decoders / Multiplexers, SOP-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": "74hc138m",+ "title": "74HC138M",+ "brief": "HGSEMI Signal Switches / Encoders & Decoders / Multiplexers, SOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "HGSEMI Signal Switches / Encoders & Decoders / Multiplexers, SOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "logic", "74hc138m" ],+ "component": {+ "mpn": "74HC138M",+ "manufacturer": "HGSEMI",+ "package": "SOP-16",+ "pin_count": 16,+ "category": "Logic",+ "subcategory": "Signal Switches / Encoders & Decoders / Multiplexers",+ "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/07be5a559e6577be8c0e79e31dfb4209.pdf",+ "parts": {+ "symbol": "74hc138m.kicad_sym",+ "footprint": "74hc138m.kicad_mod",+ "model_3d": "74hc138m.glb",+ "model_3d_step": "74hc138m.step",+ "lbr": "74hc138m.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "A",+ "type": "input",+ "description": "Address select input bit 0 (LSB). Binary-weighted select input combined with B and C to choose which of Y0-Y7 is asserted low."+ },+ {+ "number": "2",+ "name": "B",+ "type": "input",+ "description": "Address select input bit 1. Binary-weighted select input combined with A and C to choose the active output."+ },+ {+ "number": "3",+ "name": "C",+ "type": "input",+ "description": "Address select input bit 2 (MSB). Binary-weighted select input combined with A and B to choose the active output."+ },+ {+ "number": "4",+ "name": "~{G2A}",+ "type": "input",+ "description": "Active-low enable input. Both G2A and G2B must be low (and G1 high) for any output to be selected; otherwise all outputs are held high."+ },+ {+ "number": "5",+ "name": "~{G2B}",+ "type": "input",+ "description": "Active-low enable input. Both G2A and G2B must be low (and G1 high) for any output to be selected; otherwise all outputs are held high."+ },+ {+ "number": "6",+ "name": "G1",+ "type": "input",+ "description": "Active-high enable input. Must be high (with G2A and G2B low) to enable the decoder outputs."+ },+ {+ "number": "7",+ "name": "Y7",+ "type": "output",+ "description": "Decoded output 7 (active-low). Driven low when enabled and CBA = 111; otherwise high. Drive capability 5.2 mA at VCC=6V."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground / negative supply reference (0 V)."+ },+ {+ "number": "9",+ "name": "Y6",+ "type": "output",+ "description": "Decoded output 6 (active-low). Driven low when enabled and CBA = 110; otherwise high."+ },+ {+ "number": "10",+ "name": "Y5",+ "type": "output",+ "description": "Decoded output 5 (active-low). Driven low when enabled and CBA = 101; otherwise high."+ },+ {+ "number": "11",+ "name": "Y4",+ "type": "output",+ "description": "Decoded output 4 (active-low). Driven low when enabled and CBA = 100; otherwise high."+ },+ {+ "number": "12",+ "name": "Y3",+ "type": "output",+ "description": "Decoded output 3 (active-low). Driven low when enabled and CBA = 011; otherwise high."+ },+ {+ "number": "13",+ "name": "Y2",+ "type": "output",+ "description": "Decoded output 2 (active-low). Driven low when enabled and CBA = 010; otherwise high."+ },+ {+ "number": "14",+ "name": "Y1",+ "type": "output",+ "description": "Decoded output 1 (active-low). Driven low when enabled and CBA = 001; otherwise high."+ },+ {+ "number": "15",+ "name": "Y0",+ "type": "output",+ "description": "Decoded output 0 (active-low). Driven low when enabled and CBA = 000; otherwise high."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply input. Operating range 2.0 V to 6.0 V (absolute max 6.5 V). Bypass with a 100 nF ceramic close to the pin."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://datasheet.lcsc.com/datasheet/pdf/07be5a559e6577be8c0e79e31dfb4209.pdf",+ "pages": 10,+ "sha256": "c1019058ded7c03f",+ "source_tier": "lcsc"+ },+ "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": "HGSEMI",+ "Package": "SOP-16",+ "Category": "Logic",+ "Pins": "16"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "74hc138m"+ ],+ "discovery_pitch": "74HC138M (HGSEMI) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +186,5 @@ "docs/74hc138m-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }