74HC138D

{
 "schema": "adom.pads/1",
 "slug": "74hc138d",
 "footprint": "SOIC-16_3.9x9.9mm_P1.27mm",
 "generated_from": {
  "footprint": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -2.475,
   -4.445
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c"
 },
 "pad_count": 16,
 "symbol_pins": [
  "1",
  "10",
  "11",
  "12",
  "13",
  "14",
  "15",
  "16",
  "2",
  "3",
  "4",
  "5",
  "6",
  "7",
  "8",
  "9"
 ],
 "paste_apertures": 0,
 "issues": [],
 "pads": [
  {
   "pad": "1",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    -4.445
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "1",
   "name": "A0",
   "type": "input",
   "description": "Address input 0 (LSB). Binary select input for the decoder; combined with A1 and A2 selects which of the eight outputs is asserted LOW when the device is enabled.",
   "is_pin1": true,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "2",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    -3.175
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "2",
   "name": "A1",
   "type": "input",
   "description": "Address input 1. Binary select input for the decoder.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "3",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    -1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "3",
   "name": "A2",
   "type": "input",
   "description": "Address input 2 (MSB). Binary select input for the decoder.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "4",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    -0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "4",
   "name": "E1",
   "type": "input",
   "description": "Enable input 1, active LOW. Must be LOW (together with E2 LOW and E3 HIGH) to enable the selected output; otherwise all outputs are HIGH.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "5",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "5",
   "name": "E2",
   "type": "input",
   "description": "Enable input 2, active LOW. Must be LOW (together with E1 LOW and E3 HIGH) to enable outputs.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "6",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "6",
   "name": "E3",
   "type": "input",
   "description": "Enable input 3, active HIGH. Must be HIGH (together with E1 and E2 LOW) to enable outputs.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "7",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    3.175
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "7",
   "name": "Y7",
   "type": "output",
   "description": "Decoder output 7, active LOW. Asserted LOW when A2=A1=A0=1 and the device is enabled.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "8",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    4.445
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "8",
   "name": "GND",
   "type": "power_in",
   "description": "Ground reference (0 V). Common return for supply and logic signals.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "9",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    4.445
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "9",
   "name": "Y6",
   "type": "output",
   "description": "Decoder output 6, active LOW. Asserted LOW when A2A1A0 = 110 and device is enabled.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "10",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    3.175
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "10",
   "name": "Y5",
   "type": "output",
   "description": "Decoder output 5, active LOW. Asserted LOW when A2A1A0 = 101 and device is enabled.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "11",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "11",
   "name": "Y4",
   "type": "output",
   "description": "Decoder output 4, active LOW. Asserted LOW when A2A1A0 = 100 and device is enabled.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "12",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "12",
   "name": "Y3",
   "type": "output",
   "description": "Decoder output 3, active LOW. Asserted LOW when A2A1A0 = 011 and device is enabled.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "13",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    -0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "13",
   "name": "Y2",
   "type": "output",
   "description": "Decoder output 2, active LOW. Asserted LOW when A2A1A0 = 010 and device is enabled.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "14",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    -1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "14",
   "name": "Y1",
   "type": "output",
   "description": "Decoder output 1, active LOW. Asserted LOW when A2A1A0 = 001 and device is enabled.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "15",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    -3.175
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "15",
   "name": "Y0",
   "type": "output",
   "description": "Decoder output 0, active LOW. Asserted LOW when A2A1A0 = 000 and device is enabled.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "16",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    -4.445
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "16",
   "name": "VCC",
   "type": "power_in",
   "description": "Positive supply voltage, 2.0 V to 6.0 V (recommended). Provides power to the internal logic.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}