main
Ray pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) 471141f
{
 "schema": "adom.pads/1",
 "slug": "sit1050t",
 "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": "TXD",
   "type": "input",
   "description": "Transmit data input from the CAN controller. CMOS-level logic input (VIH ≥ 2 V, VIL ≤ 0.8 V) with internal pull-up (IIL = -10 to -50 µA at VI = 0 V; IIH = ±2 µA at VI = VCC). A low level drives the bus dominant; high or open leaves the bus recessive. A dominant time-out (typ. 450 µs) prevents the bus from being held dominant indefinitely.",
   "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": "GND",
   "type": "power_in",
   "description": "Ground supply reference (0 V). The exposed thermal pad of the DFN3x3-8/HVSON8 variant is internally connected to this pin and should be soldered to board ground for enhanced thermal performance.",
   "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": "VCC",
   "type": "power_in",
   "description": "+5 V supply voltage input (recommended 4.5-5.5 V, abs-max -0.3 to +6 V). Typical supply current is ~6 mA in recessive/silent state and ~50 mA (max 70 mA) in dominant state with 60 Ω load.",
   "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": "RXD",
   "type": "output",
   "description": "Receive data output to the CAN controller; reads out the differential state of the CAN bus. Push-pull CMOS output (VOH ≥ 4 V at IO = -2 mA, VOL ≤ 0.4 V at IO = 2 mA). LOW = dominant bus, HIGH = recessive bus.",
   "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": "Vref",
   "type": "output",
   "description": "Reference voltage output at 0.5·VCC (spec 0.4·VCC to 0.6·VCC) capable of sourcing/sinking |IO| ≤ 50 µA. Provides a stable common-mode reference for the CAN controller or bus termination bias.",
   "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": "CANL",
   "type": "bidirectional",
   "description": "LOW-level CAN bus line (differential pair with CANH). Driven low (VOL(D) 0.5-2.25 V, typ 1.5 V) in the dominant state and biased to 0.5·VCC in the recessive state. Handles DC bus voltages of -40 to +40 V and transient ±200 V (see Fig. 7); short-circuit currents are limited by internal protection.",
   "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": "CANH",
   "type": "bidirectional",
   "description": "HIGH-level CAN bus line (differential pair with CANL). Driven high (VOH(D) 2.75-4.5 V, typ 3.5 V) in the dominant state and biased to 0.5·VCC in the recessive state. Handles DC bus voltages of -40 to +40 V and transient ±200 V; internal short-circuit and overcurrent protection.",
   "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": "S",
   "type": "input",
   "description": "Silent-mode control input (a.k.a. STB). LOW or open = normal (transmitter enabled); HIGH = silent mode (transmitter disabled, receiver still active). VIH ≥ 2.0 V, VIL ≤ 0.8 V; input current 15-60 µA at VS = 2 V. Enable time from silent to dominant ≤ 1 µs.",
   "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"
   }
  }
 ]
}