SN75176BDR-JSM

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn75176bdr-jsm",
  "title": "SN75176BDR-JSM",
  "brief": "JSMSEMI RS-485 / RS-422 ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "interface",
    "sn75176bdr-jsm",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "SN75176BDR-JSM",
    "manufacturer": "JSMSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603163076594454528",
    "parts": {
      "symbol": "sn75176bdr-jsm.kicad_sym",
      "footprint": "sn75176bdr-jsm.kicad_mod",
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      "model_3d_plain": "sn75176bdr-jsm-etched.glb",
      "model_3d_step": "sn75176bdr-jsm-etched.step",
      "model_3d_step_plain": "sn75176bdr-jsm.step",
      "lbr": "sn75176bdr-jsm.lbr"
    },
    "distributor_links": {
      "lcsc": "C5456628"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T14:34:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output, three-state; high when A-B ≥ +0.2V or the input is open, low when A-B ≤ -0.2V, high-impedance when RE is high."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable, active low; RE low enables RO and RE high places RO in high impedance (input high threshold 2.0V min, low 0.8V max)."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable, active high; DE high enables the driver outputs and DE low places them in high impedance (input high threshold 2.0V min, low 0.8V max)."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input; with DE high, DI low drives the non-inverting output low and DI high drives it high (input range -0.5V to VCC+0.5V)."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Non-inverting receiver input and non-inverting driver output on the RS-485 bus, with -7V to +12V common-mode range and ±15kV ESD protection."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting receiver input and inverting driver output on the RS-485 bus, with -7V to +12V common-mode range and ±15kV ESD protection."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, single 5V ±5% operation, absolute maximum 12V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet's text function tables label the driver outputs Y and Z, but the pin diagram shows pin",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
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        "cost_usd": 0.1956,
        "at": "2026-10-17T14:33:00"
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        "pages": 7,
        "sha256": "97a233eeb0388eaa",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 8,
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        "refuses_to_fabricate": true
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
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        "checked": "2026-10-17",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "JSMSEMI",
      "Package": "SOP-8",
      "Category": "Interface",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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          "name": "Supply voltage (absolute maximum)",
          "symbol": "VCC",
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          "unit": "V",
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          "name": "Control input voltage",
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          "source_page": 2,
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        {
          "name": "Driver output voltage (A, B)",
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          "name": "Receiver input voltage (A, B)",
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          "name": "Storage temperature range",
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          "unit": "°C",
          "min": -65,
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        {
          "name": "Lead temperature (soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
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        {
          "name": "Continuous power dissipation, 8-pin SOP",
          "symbol": "",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
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          "conditions": "TA = +70°C; derate 5.88 mW/°C above +70°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage tolerance",
          "symbol": "VCC",
          "kind": "tolerance",
          "unit": "%",
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          "typ": null,
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          "conditions": "VCC = 5V ±5% (nominal 5 V)",
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          "source": "datasheet"
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          "name": "Operating temperature range",
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          "name": "Common-mode input voltage range",
          "symbol": "",
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          "typ": null,
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          "conditions": "Stated in features list",
          "source_page": 1,
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        },
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          "name": "Differential driver output (no load)",
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        {
          "name": "Differential driver output (RS-422 load)",
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          "name": "Differential driver output (RS-485 load)",
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          "min": 1.5,
          "typ": null,
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          "conditions": "R = 27Ω (RS-485), Figure 1",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Change in magnitude of driver differential output voltage",
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          "name": "Driver common-mode output voltage",
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          "min": null,
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          "source_page": 2,
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        {
          "name": "Change in magnitude of driver common-mode output voltage",
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          "unit": "V",
          "min": null,
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          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "DE, DI, RE",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input low voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "DE, DI, RE",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Input current",
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          "kind": "electrical",
          "unit": "µA",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "DE, DI, RE",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input current (A, B)",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "DE = 0V; VCC = 0V or 5.25V; VIN = 12V",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Input current (A, B)",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "mA",
          "min": -0.8,
          "typ": null,
          "max": null,
          "conditions": "DE = 0V; VCC = 0V or 5.25V; VIN = -7V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Receiver differential threshold voltage",
          "symbol": "VTH",
          "kind": "electrical",
          "unit": "V",
          "min": -0.2,
          "typ": null,
          "max": 0.2,
          "conditions": "-7V ≤ VCM ≤ 12V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Receiver output high voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": null,
          "conditions": "IO = -4mA, VID = 200mV",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Receiver output low voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IO = 4mA, VID = -200mV",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Three-state output current at receiver",
          "symbol": "IOZR",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "0.4V ≤ VO ≤ 2.4V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Receiver input resistance",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 12,
          "typ": null,
          "max": null,
          "conditions": "-7V ≤ VCM ≤ 12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "No-load supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 500,
          "max": 900,
          "conditions": "DE = VCC",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "No-load supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 300,
          "max": 500,
          "conditions": "RE = 0V or VCC, DE = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Driver short-circuit current, VO high",
          "symbol": "IOSD1",
          "kind": "electrical",
          "unit": "mA",
          "min": 35,
          "typ": null,
          "max": 250,
          "conditions": "-7V ≤ VO ≤ 12V (peak current); VO = High",
          "source_page": 3,
          "source": "datasheet"
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          "name": "Driver short-circuit current, VO low",
          "symbol": "IOSD2",
          "kind": "electrical",
          "unit": "mA",
          "min": 35,
          "typ": null,
          "max": 250,
          "conditions": "-7V ≤ VO ≤ 12V (peak current); VO = Low",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Receiver short-circuit current",
          "symbol": "IOSR",
          "kind": "electrical",
          "unit": "mA",
          "min": 7,
          "typ": null,
          "max": 95,
          "conditions": "0V ≤ VO ≤ VCC",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD protection (Human Body Model)",
          "symbol": "",
          "kind": "electrical",
          "unit": "kV",
          "min": -15,
          "typ": null,
          "max": 15,
          "conditions": "A, B, Y and Z pins, Human Body Model",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Driver input to output propagation delay (tPLH)",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": 10,
          "typ": 55,
          "max": 60,
          "conditions": "RDIFF = 54Ω, CL1 = CL2 = 100pF",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Driver input to output propagation delay (tPHL)",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 10,
          "typ": 55,
          "max": 60,
          "conditions": "RDIFF = 54Ω, CL1 = CL2 = 100pF",
          "source_page": 3,
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        {
          "name": "Driver output skew to output",
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          "kind": "timing",
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          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "RDIFF = 54Ω, CL1 = CL2 = 100pF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Driver enable to output high",
          "symbol": "tZH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 40,
          "max": 70,
          "conditions": "CL = 100pF, S2 closed",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Driver enable to output low",
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          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 40,
          "max": 70,
          "conditions": "CL = 100pF, S1 closed",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Driver disable time from low",
          "symbol": "tLZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 40,
          "max": 70,
          "conditions": "CL = 15pF, S1 closed",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Driver disable time from high",
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          "kind": "timing",
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          "source_page": 3,
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        {
          "name": "Receiver input to output propagation delay (tPLH)",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": 20,
          "typ": 60,
          "max": 100,
          "conditions": "RDIFF = 54Ω, C = C = 100pF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Receiver input to output propagation delay (tPHL)",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 20,
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          "max": 100,
          "conditions": "RDIFF = 54Ω, C = C = 100pF",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Differential receiver skew",
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          "kind": "timing",
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          "max": 10,
          "conditions": "RDIFF = 54Ω, CL1 = CL2 = 100pF",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Receiver enable to output low",
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          "kind": "timing",
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          "min": null,
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          "max": 50,
          "conditions": "CRL = 15pF, S1 closed",
          "source_page": 3,
          "source": "datasheet"
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          "name": "Receiver enable to output high",
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          "source_page": 3,
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          "name": "Receiver disable time from low",
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          "kind": "timing",
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          "conditions": "CRL = 15pF, S1 closed",
          "source_page": 3,
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        {
          "name": "Receiver disable time from high",
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