main
Ray pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) ba9f1c6 2mo ago
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{
 "schema": "adom.pads/1",
 "slug": "74hc573pw",
 "footprint": "TSSOP-20_4.4x6.5mm_P0.65mm",
 "generated_from": {
  "footprint": "TSSOP-20_4.4x6.5mm_P0.65mm@sha256:b7ca3a31dd45c122",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -2.8625,
   -2.925
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "TSSOP-20_4.4x6.5mm_P0.65mm@sha256:b7ca3a31dd45c122"
 },
 "pad_count": 20,
 "symbol_pins": [
  "1",
  "10",
  "11",
  "12",
  "13",
  "14",
  "15",
  "16",
  "17",
  "18",
  "19",
  "2",
  "20",
  "3",
  "4",
  "5",
  "6",
  "7",
  "8",
  "9"
 ],
 "paste_apertures": 0,
 "issues": [],
 "pads": [
  {
   "pad": "1",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.8625,
    -2.925
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "1",
   "name": "OE",
   "type": "input",
   "description": "3-state output enable input, active LOW. When HIGH the Q0..Q7 outputs are forced to the high-impedance OFF-state; latch contents are unaffected. CMOS-level input (TTL-level on 74HCT573PW).",
   "is_pin1": true,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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,
    -2.275
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "2",
   "name": "D0",
   "type": "input",
   "description": "Data input bit 0. Captured into latch 1 on the HIGH-to-LOW transition of LE. Input includes clamp diodes allowing current-limited interfacing above VCC.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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,
    -1.625
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "3",
   "name": "D1",
   "type": "input",
   "description": "Data input bit 1. Captured into latch 2 on the HIGH-to-LOW transition of LE.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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,
    -0.975
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "4",
   "name": "D2",
   "type": "input",
   "description": "Data input bit 2. Captured into latch 3 on the HIGH-to-LOW transition of LE.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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": "D3",
   "type": "input",
   "description": "Data input bit 3. Captured into latch 4 on the HIGH-to-LOW transition of LE.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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,
    0.325
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "6",
   "name": "D4",
   "type": "input",
   "description": "Data input bit 4. Captured into latch 5 on the HIGH-to-LOW transition of LE.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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,
    0.975
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "7",
   "name": "D5",
   "type": "input",
   "description": "Data input bit 5. Captured into latch 6 on the HIGH-to-LOW transition of LE.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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,
    1.625
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "8",
   "name": "D6",
   "type": "input",
   "description": "Data input bit 6. Captured into latch 7 on the HIGH-to-LOW transition of LE.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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": "D7",
   "type": "input",
   "description": "Data input bit 7. Captured into latch 8 on the HIGH-to-LOW transition of LE.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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,
    2.925
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "10",
   "name": "GND",
   "type": "power_in",
   "description": "Ground reference, 0 V.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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,
    2.925
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "11",
   "name": "LE",
   "type": "input",
   "description": "Latch enable input, active HIGH. While LE is HIGH the latches are transparent (Qn follows Dn); on the HIGH-to-LOW transition the input data is stored.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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,
    2.275
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "12",
   "name": "Q7",
   "type": "tri_state",
   "description": "3-state non-inverting latch output bit 7. Reflects stored D7 when OE is LOW; high-impedance when OE is HIGH. Drives ±6 mA at VCC=4.5 V.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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,
    1.625
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "13",
   "name": "Q6",
   "type": "tri_state",
   "description": "3-state non-inverting latch output bit 6. Reflects stored D6 when OE is LOW; high-impedance when OE is HIGH.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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": "Q5",
   "type": "tri_state",
   "description": "3-state non-inverting latch output bit 5. Reflects stored D5 when OE is LOW; high-impedance when OE is HIGH.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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,
    0.325
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "15",
   "name": "Q4",
   "type": "tri_state",
   "description": "3-state non-inverting latch output bit 4. Reflects stored D4 when OE is LOW; high-impedance when OE is HIGH.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_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,
    -0.325
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "16",
   "name": "Q3",
   "type": "tri_state",
   "description": "3-state non-inverting latch output bit 3. Reflects stored D3 when OE is LOW; high-impedance when OE is HIGH.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "17",
   "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": "17",
   "name": "Q2",
   "type": "tri_state",
   "description": "3-state non-inverting latch output bit 2. Reflects stored D2 when OE is LOW; high-impedance when OE is HIGH.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "18",
   "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": "18",
   "name": "Q1",
   "type": "tri_state",
   "description": "3-state non-inverting latch output bit 1. Reflects stored D1 when OE is LOW; high-impedance when OE is HIGH.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "19",
   "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": "19",
   "name": "Q0",
   "type": "tri_state",
   "description": "3-state non-inverting latch output bit 0. Reflects stored D0 when OE is LOW; high-impedance when OE is HIGH.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "20",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.8625,
    -2.925
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.4
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "20",
   "name": "VCC",
   "type": "power_in",
   "description": "Supply voltage. 2.0 V to 6.0 V for 74HC573; 4.5 V to 5.5 V for 74HCT573. Absolute maximum 7 V.",
   "is_pin1": false,
   "source": {
    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}