JSM900R

{
  "slug": "jsm900r",
  "version": "0.1.0",
  "type": "component",
  "description": "JSMSEMI RF Transceiver ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rf and wireless",
    "jsm900r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "jsm900r.kicad_sym",
    "jsm900r.kicad_mod",
    "jsm900r.glb",
    "jsm900r.step",
    "jsm900r.lbr",
    "docs/hero.png",
    "docs/jsm900r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "jsm900r-hero.glb",
    "jsm900r-hero.overlay.json",
    "jsm900r-etched.glb"
  ],
  "component": {
    "mpn": "JSM900R",
    "manufacturer": "JSMSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "RF And Wireless",
    "subcategory": "RF Transceiver ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945022817882112",
    "parts": {
      "symbol": "jsm900r.kicad_sym",
      "footprint": "jsm900r.kicad_mod",
      "model_3d": "jsm900r-hero.glb",
      "model_3d_plain": "jsm900r-etched.glb",
      "model_3d_step": "jsm900r-etched.step",
      "model_3d_step_plain": "jsm900r.step",
      "lbr": "jsm900r.lbr"
    },
    "distributor_links": {
      "lcsc": "C2857169"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T06:25:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the datasheet advises grounding the metal base through as many vias as possible to reduce parasitic inductance."
      },
      {
        "number": "2",
        "name": "ANT",
        "type": "input",
        "description": "RF signal input pin; the receiver specifies a saturated input level of -20 dBm with RSC = 50 Ω."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply pin rated DC 2.0-5.5 V in the pin table (normal operating range 2.0-5.0 V), with a 0.1 µF bypass capacitor placed close to the device and a 47 Ω series resistor on the RF supply recommended for 5 V use."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Listed as NC (no connection) in the pin table with no function given."
      },
      {
        "number": "5",
        "name": "DO",
        "type": "output",
        "description": "Demodulated data signal output."
      },
      {
        "number": "6",
        "name": "SHUT",
        "type": "input",
        "description": "Operating mode select: connect to VDD for shutdown mode and to GND for operating mode."
      },
      {
        "number": "7",
        "name": "SQ",
        "type": "input",
        "description": "Squelch select: leave floating or connect to the supply to enable squelch (which reduces sensitivity by about 3 dB), and connect to GND to disable it."
      },
      {
        "number": "8",
        "name": "RO",
        "type": "input",
        "description": "External crystal connection (reference oscillator input); the datasheet also allows driving it with an external clock through a coupling capacitor at 0.3-0.7 V peak-to-peak."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 4 is listed as NC with no description or type in the datasheet text; the type 'unconnected' and ; Pin 3 VDD is rated 2.0–5.5 V in the pin table but the normal operating range is 2.0–5.0 V elsewhere ; Datasheet pin table text is partly garbled in extraction (row for pin 4 and pin 5 run together); pin"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0374,
        "at": "2026-10-16T06:25:35"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945022817882112",
        "pages": 6,
        "sha256": "1a5e74ae27fe65a0",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "jsm900r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "jsm900r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ec53d4c0d679ee5adf68afd7023fced40134b534294271c1f125ee8eb91e234",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}