74HC74D

{
 "schema": "adom.pads/1",
 "slug": "74hc74d",
 "footprint": "SOIC-14_3.9x8.7mm_P1.27mm",
 "generated_from": {
  "footprint": "SOIC-14_3.9x8.7mm_P1.27mm@sha256:a885b619b22880c9",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -2.475,
   -3.81
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "SOIC-14_3.9x8.7mm_P1.27mm@sha256:a885b619b22880c9"
 },
 "pad_count": 14,
 "symbol_pins": [
  "1",
  "10",
  "11",
  "12",
  "13",
  "14",
  "2",
  "3",
  "4",
  "5",
  "6",
  "7",
  "8",
  "9"
 ],
 "paste_apertures": 0,
 "issues": [],
 "pads": [
  {
   "pad": "1",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    -3.81
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "1",
   "name": "1RD",
   "type": "input",
   "description": "Flip-flop 1 asynchronous reset-direct input (active LOW). Drives 1Q LOW / 1Q-bar HIGH independent of clock when asserted.",
   "is_pin1": true,
   "source": {
    "geometry": "SOIC-14_3.9x8.7mm_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,
    -2.54
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "2",
   "name": "1D",
   "type": "input",
   "description": "Flip-flop 1 data input. Value present at 1D at the LOW-to-HIGH transition of 1CP (meeting setup/hold) is stored and appears at 1Q.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-14_3.9x8.7mm_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,
    -1.27
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "3",
   "name": "1CP",
   "type": "input",
   "description": "Flip-flop 1 clock input, positive edge-triggered (LOW-to-HIGH). Schmitt-trigger action makes it tolerant of slow clock rise/fall times.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-14_3.9x8.7mm_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,
    0.0
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "4",
   "name": "1SD",
   "type": "input",
   "description": "Flip-flop 1 asynchronous set-direct input (active LOW). Drives 1Q HIGH / 1Q-bar LOW independent of clock when asserted.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-14_3.9x8.7mm_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,
    1.27
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "5",
   "name": "1Q",
   "type": "output",
   "description": "Flip-flop 1 true output. Reflects the state stored on the previous LOW-to-HIGH transition of 1CP, or is forced by 1SD/1RD.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-14_3.9x8.7mm_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,
    2.54
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "6",
   "name": "1Q",
   "type": "output",
   "description": "Flip-flop 1 complement output (1Q-bar). Inverse of 1Q except when both 1SD and 1RD are asserted LOW (both outputs go HIGH per function table).",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-14_3.9x8.7mm_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,
    3.81
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "7",
   "name": "GND",
   "type": "power_in",
   "description": "Ground reference (0 V) for the device.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-14_3.9x8.7mm_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,
    3.81
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "8",
   "name": "2Q",
   "type": "output",
   "description": "Flip-flop 2 complement output (2Q-bar). Inverse of 2Q except when both 2SD and 2RD are LOW.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-14_3.9x8.7mm_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,
    2.54
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "9",
   "name": "2Q",
   "type": "output",
   "description": "Flip-flop 2 true output. Reflects the state stored on the previous LOW-to-HIGH transition of 2CP, or is forced by 2SD/2RD.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-14_3.9x8.7mm_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,
    1.27
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "10",
   "name": "2SD",
   "type": "input",
   "description": "Flip-flop 2 asynchronous set-direct input (active LOW). Drives 2Q HIGH / 2Q-bar LOW independent of clock when asserted.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-14_3.9x8.7mm_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,
    0.0
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "11",
   "name": "2CP",
   "type": "input",
   "description": "Flip-flop 2 clock input, positive edge-triggered (LOW-to-HIGH). Schmitt-trigger action tolerates slow edges.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-14_3.9x8.7mm_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,
    -1.27
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "12",
   "name": "2D",
   "type": "input",
   "description": "Flip-flop 2 data input. Value latched into flip-flop 2 on the LOW-to-HIGH edge of 2CP and presented at 2Q.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-14_3.9x8.7mm_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,
    -2.54
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "13",
   "name": "2RD",
   "type": "input",
   "description": "Flip-flop 2 asynchronous reset-direct input (active LOW). Drives 2Q LOW / 2Q-bar HIGH independent of clock when asserted.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-14_3.9x8.7mm_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,
    -3.81
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "14",
   "name": "VCC",
   "type": "power_in",
   "description": "Positive supply voltage. Operating range 2.0 V to 6.0 V for 74HC74 (4.5 V to 5.5 V for 74HCT74). Absolute maximum 7 V.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-14_3.9x8.7mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}