main
Ray pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) df4aa6d 2mo ago
{
 "schema": "adom.pads/1",
 "slug": "cd74hc4051pwr",
 "footprint": "TSSOP-16_4.4x5mm_P0.65mm",
 "generated_from": {
  "footprint": "TSSOP-16_4.4x5mm_P0.65mm@sha256:fbac79fc5f310754",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -2.8625,
   -2.275
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "TSSOP-16_4.4x5mm_P0.65mm@sha256:fbac79fc5f310754"
 },
 "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": [
    -2.8625,
    -2.275
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "1",
   "name": "A4",
   "type": "bidirectional",
   "description": "Channel 4 in/out. Bidirectional analog switch terminal; connected to COM (pin 3) when selected via S2:S0 = 100 and !E is low.",
   "is_pin1": true,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "2",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.8625,
    -1.625
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "2",
   "name": "A6",
   "type": "bidirectional",
   "description": "Channel 6 in/out. Bidirectional analog switch terminal; connected to COM (pin 3) when selected via S2:S0 = 110 and !E is low.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "3",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.8625,
    -0.975
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "3",
   "name": "COM",
   "type": "bidirectional",
   "description": "Common out/in. Shared analog terminal connected to one of A0..A7 based on address inputs S0..S2. Bidirectional analog signal path.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "4",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.8625,
    -0.325
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "4",
   "name": "A7",
   "type": "bidirectional",
   "description": "Channel 7 in/out. Bidirectional analog switch terminal; connected to COM (pin 3) when selected via S2:S0 = 111 and !E is low.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "5",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.8625,
    0.325
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "5",
   "name": "A5",
   "type": "bidirectional",
   "description": "Channel 5 in/out. Bidirectional analog switch terminal; connected to COM (pin 3) when selected via S2:S0 = 101 and !E is low.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "6",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.8625,
    0.975
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "6",
   "name": "~{E}",
   "type": "input",
   "description": "Enable, active low. When low, the selected channel is connected to COM. When high, all switches are disabled (high impedance).",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "7",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.8625,
    1.625
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "7",
   "name": "VEE",
   "type": "power_in",
   "description": "Negative analog supply. Sets the lower limit of the analog signal range. Recommended range 0 V to -6 V; VCC-VEE must be 2 V to 10 V.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "8",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.8625,
    2.275
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "8",
   "name": "GND",
   "type": "power_in",
   "description": "Ground / digital and logic reference (0 V). All voltages are referenced to this pin unless otherwise specified.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "9",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.8625,
    2.275
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "9",
   "name": "S2",
   "type": "input",
   "description": "Channel select bit 2 (MSB). Digital input selecting which of A0..A7 is routed to COM. LSTTL/CMOS-level input; VIH >= 2 V, VIL <= 0.8 V (HCT).",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "10",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.8625,
    1.625
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "10",
   "name": "S1",
   "type": "input",
   "description": "Channel select bit 1. Digital input selecting which of A0..A7 is routed to COM. LSTTL/CMOS-level input.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "11",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.8625,
    0.975
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "11",
   "name": "S0",
   "type": "input",
   "description": "Channel select bit 0 (LSB). Digital input selecting which of A0..A7 is routed to COM. LSTTL/CMOS-level input.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "12",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.8625,
    0.325
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "12",
   "name": "A3",
   "type": "bidirectional",
   "description": "Channel 3 in/out. Bidirectional analog switch terminal; connected to COM (pin 3) when selected via S2:S0 = 011 and !E is low.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "13",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.8625,
    -0.325
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "13",
   "name": "A0",
   "type": "bidirectional",
   "description": "Channel 0 in/out. Bidirectional analog switch terminal; connected to COM (pin 3) when selected via S2:S0 = 000 and !E is low.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "14",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.8625,
    -0.975
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "14",
   "name": "A1",
   "type": "bidirectional",
   "description": "Channel 1 in/out. Bidirectional analog switch terminal; connected to COM (pin 3) when selected via S2:S0 = 001 and !E is low.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "15",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.8625,
    -1.625
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "15",
   "name": "A2",
   "type": "bidirectional",
   "description": "Channel 2 in/out. Bidirectional analog switch terminal; connected to COM (pin 3) when selected via S2:S0 = 010 and !E is low.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "16",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.8625,
    -2.275
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "16",
   "name": "VCC",
   "type": "power_in",
   "description": "Positive digital/analog supply. Recommended 2 V to 6 V for HC parts (4.5 V to 5.5 V for HCT). Sets the upper limit of the analog signal range.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}