GN1302

{
 "schema": "adom.pads/1",
 "slug": "gn1302",
 "footprint": "SOIC-8_3.9x4.9mm_P1.27mm",
 "generated_from": {
  "footprint": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -2.475,
   -1.905
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4"
 },
 "pad_count": 8,
 "symbol_pins": [
  "1",
  "2",
  "3",
  "4",
  "5",
  "6",
  "7",
  "8"
 ],
 "paste_apertures": 0,
 "issues": [],
 "pads": [
  {
   "pad": "1",
   "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": "1",
   "name": "VCC2",
   "type": "power_in",
   "description": "Primary supply pin in the dual-supply configuration. VCC1 is connected to the backup supply and holds time/date when the main supply fails. The GN1302 runs from whichever of VCC1/VCC2 is higher: when VCC2 > VCC1 + 0.2 V, VCC2 powers the chip; when VCC1 > VCC2, VCC1 powers the chip. Operating range 2.0 V to 5.5 V.",
   "is_pin1": true,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_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,
    -0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "2",
   "name": "X1",
   "type": "passive",
   "description": "Connection to one terminal of an external 32.768 kHz crystal. Internal oscillator is designed for a crystal with 6 pF load capacitance. May alternatively be driven by an external 32.768 kHz oscillator signal on X1 (X2 left floating).",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_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,
    0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "3",
   "name": "X2",
   "type": "passive",
   "description": "Second terminal of the external 32.768 kHz crystal. Leave floating when X1 is driven by an external oscillator.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_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,
    1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "4",
   "name": "GND",
   "type": "power_in",
   "description": "Power supply ground / reference for VCC1 and VCC2.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_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,
    1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "5",
   "name": "CE",
   "type": "input",
   "description": "Chip-enable input. Must be held high during any read or write on the 3-wire interface; going low terminates the transfer and places I/O in high-impedance. Has an internal ~40 kΩ (typ) pull-down to ground.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_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,
    0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "6",
   "name": "I/O",
   "type": "bidirectional",
   "description": "Bidirectional data pin of the 3-wire serial interface (push-pull output). Data is clocked in on SCLK rising edges and clocked out on SCLK falling edges. Has an internal ~40 kΩ (typ) pull-down to ground.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_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,
    -0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "7",
   "name": "SCLK",
   "type": "input",
   "description": "Serial clock input used to synchronize data movement on the 3-wire interface. Has an internal ~40 kΩ (typ) pull-down to ground. Max clock rate 0.5 MHz at VCC=2.0 V, 2.0 MHz at VCC=5.0 V.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_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,
    -1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "8",
   "name": "VCC1",
   "type": "power_in",
   "description": "Backup / secondary supply pin, used with a single supply plus a battery, or with a low-power backup battery. When the internal programmable trickle charger is enabled, this pin connects to a rechargeable energy source (e.g. supercap, NiMH). UL requires care to prevent reverse charging current when using a lithium cell.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}