XD9170

{
  "slug": "xd9170",
  "version": "0.1.0",
  "type": "component",
  "description": "XINLUDA RF Transceiver ICs, DIP-18. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "XD9170",
    "manufacturer": "XINLUDA",
    "package": "DIP-18",
    "pin_count": 18,
    "category": "RF And Wireless",
    "subcategory": "RF Transceiver ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603152952299573248",
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    "distributor_links": {
      "lcsc": "C5444306"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T17:36:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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    "pins": [
      {
        "number": "1",
        "name": "VP",
        "type": "input",
        "description": "Operational amplifier non-inverting input, with input impedance typically 10 MΩ."
      },
      {
        "number": "2",
        "name": "VN",
        "type": "input",
        "description": "Operational amplifier inverting input, with input impedance typically 10 MΩ."
      },
      {
        "number": "3",
        "name": "GS",
        "type": "output",
        "description": "Operational amplifier output terminal, rated for load resistance of 50 kΩ minimum and load capacitance of 100 pF maximum."
      },
      {
        "number": "4",
        "name": "VREF",
        "type": "output",
        "description": "Reference voltage output, normally VDD/2."
      },
      {
        "number": "5",
        "name": "INH",
        "type": "input",
        "description": "Active-high input that inhibits detection of tones for characters A, B, C and D; internally pulled down."
      },
      {
        "number": "6",
        "name": "PWDN",
        "type": "input",
        "description": "Active-high input that puts the device into power down mode and inhibits the oscillator; internally pulled down."
      },
      {
        "number": "7",
        "name": "X1",
        "type": "input",
        "description": "Oscillator input for a standard 3.579545 MHz crystal connected between X1 and X2, with on-chip inverter, bias resistor and load capacitor."
      },
      {
        "number": "8",
        "name": "X2",
        "type": "output",
        "description": "Oscillator output for the 3.579545 MHz crystal connected between X1 and X2."
      },
      {
        "number": "9",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative power supply, ground."
      },
      {
        "number": "10",
        "name": "OE",
        "type": "input",
        "description": "Active-high output enable for D0~D3 (OE=L gives high impedance); internally pulled high."
      },
      {
        "number": "11",
        "name": "D0",
        "type": "tri_state",
        "description": "Tristate CMOS data output bit 0, enabled when OE=H and high impedance when OE=L."
      },
      {
        "number": "12",
        "name": "D1",
        "type": "tri_state",
        "description": "Tristate CMOS data output bit 1, enabled when OE=H and high impedance when OE=L."
      },
      {
        "number": "13",
        "name": "D2",
        "type": "tri_state",
        "description": "Tristate CMOS data output bit 2, enabled when OE=H and high impedance when OE=L."
      },
      {
        "number": "14",
        "name": "D3",
        "type": "tri_state",
        "description": "Tristate CMOS data output bit 3, enabled when OE=H and high impedance when OE=L."
      },
      {
        "number": "15",
        "name": "DV",
        "type": "output",
        "description": "CMOS data valid output that goes high when a valid DTMF tone is received, otherwise stays low."
      },
      {
        "number": "16",
        "name": "EST",
        "type": "output",
        "description": "CMOS early steering output used with the external RC on RT/GT for tone timing."
      },
      {
        "number": "17",
        "name": "RT/GT",
        "type": "bidirectional",
        "description": "CMOS input/output where an external resistor and capacitor set the tone acquisition and release times."
      },
      {
        "number": "18",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply, 2.5V~5.5V for normal operation."
      }
    ],
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 18,
        "described": 18,
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        "refuses_to_fabricate": true
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