74HC245PW

{
 "schema": "adom.pads/1",
 "slug": "74hc245pw",
 "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": "DIR",
   "type": "input",
   "description": "Direction control input. LOW routes data from Bn (input) to An (output); HIGH routes data from An (input) to Bn (output). CMOS-level input; VIH >= 0.7*VCC (74HC).",
   "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": "A0",
   "type": "tri_state",
   "description": "Bidirectional data pin, port A bit 0. Acts as input when DIR=HIGH and as 3-state output when DIR=LOW (with OE=LOW). High-impedance when OE=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": "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": "A1",
   "type": "tri_state",
   "description": "Bidirectional data pin, port A bit 1. Direction set by DIR; enabled by OE (active LOW).",
   "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": "A2",
   "type": "tri_state",
   "description": "Bidirectional data pin, port A bit 2. Direction set by DIR; enabled by OE (active LOW).",
   "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": "A3",
   "type": "tri_state",
   "description": "Bidirectional data pin, port A bit 3. Direction set by DIR; enabled by OE (active LOW).",
   "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": "A4",
   "type": "tri_state",
   "description": "Bidirectional data pin, port A bit 4. Direction set by DIR; enabled by OE (active LOW).",
   "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": "A5",
   "type": "tri_state",
   "description": "Bidirectional data pin, port A bit 5. Direction set by DIR; enabled by OE (active LOW).",
   "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": "A6",
   "type": "tri_state",
   "description": "Bidirectional data pin, port A bit 6. Direction set by DIR; enabled by OE (active LOW).",
   "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": "A7",
   "type": "tri_state",
   "description": "Bidirectional data pin, port A bit 7. Direction set by DIR; enabled by OE (active LOW).",
   "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). Absolute max ground current IGND = -70 mA.",
   "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": "B7",
   "type": "tri_state",
   "description": "Bidirectional data pin, port B bit 7. Direction set by DIR (HIGH: An->Bn output, LOW: Bn input); enabled by OE (active LOW).",
   "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": "B6",
   "type": "tri_state",
   "description": "Bidirectional data pin, port B bit 6. Direction set by DIR; enabled by OE (active LOW).",
   "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": "B5",
   "type": "tri_state",
   "description": "Bidirectional data pin, port B bit 5. Direction set by DIR; enabled by OE (active LOW).",
   "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": "B4",
   "type": "tri_state",
   "description": "Bidirectional data pin, port B bit 4. Direction set by DIR; enabled by OE (active LOW).",
   "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": "B3",
   "type": "tri_state",
   "description": "Bidirectional data pin, port B bit 3. Direction set by DIR; enabled by OE (active LOW).",
   "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": "B2",
   "type": "tri_state",
   "description": "Bidirectional data pin, port B bit 2. Direction set by DIR; enabled by OE (active LOW).",
   "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": "B1",
   "type": "tri_state",
   "description": "Bidirectional data pin, port B bit 1. Direction set by DIR; enabled by OE (active LOW).",
   "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": "B0",
   "type": "tri_state",
   "description": "Bidirectional data pin, port B bit 0. Direction set by DIR; enabled by OE (active LOW).",
   "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": "OE",
   "type": "input",
   "description": "Output enable, active LOW. LOW enables the transceiver (direction per DIR); HIGH forces both A and B ports to high-impedance OFF-state.",
   "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": "Positive supply voltage. 74HC245: 2.0 V to 6.0 V (recommended); absolute max 7 V. Recommended 4.5-5.5 V for 74HCT variant.",
   "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"
   }
  }
 ]
}