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Ray Publish 0.1.0 5d7c302 15h ago
{
  "slug": "sn75161bn",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Pre-ordered Chips, PDIP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "sn75161bn",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn75161bn.kicad_sym",
    "sn75161bn.kicad_mod",
    "sn75161bn.glb",
    "sn75161bn.step",
    "sn75161bn.lbr",
    "docs/hero.png",
    "docs/sn75161bn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn75161bn-hero.glb",
    "sn75161bn-hero.overlay.json",
    "sn75161bn-etched.glb"
  ],
  "component": {
    "mpn": "SN75161BN",
    "manufacturer": "Texas Instruments",
    "package": "PDIP-20",
    "pin_count": 20,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn75161bn.pdf",
    "parts": {
      "symbol": "sn75161bn.kicad_sym",
      "footprint": "sn75161bn.kicad_mod",
      "model_3d": "sn75161bn-hero.glb",
      "model_3d_plain": "sn75161bn-etched.glb",
      "model_3d_step": "sn75161bn-etched.step",
      "model_3d_step_plain": "sn75161bn.step",
      "lbr": "sn75161bn.lbr"
    },
    "distributor_links": {
      "lcsc": "C1544075",
      "digikey": "2156-SN75161BN-ND",
      "mouser": "595-SN75161BN"
    },
    "distributor_check": {
      "checked_at": "2026-11-09T05:55:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-SN75161BN-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN75161BN",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TE",
        "type": "input",
        "description": "Talk enable control input that sets the transmit/receive direction of the DAV, NDAC and NRFD data-transfer channels (and EOI together with DC); VIH min 2 V, VIL max 0.8 V."
      },
      {
        "number": "2",
        "name": "REN",
        "type": "bidirectional",
        "description": "Terminal-side I/O port of the Remote Enable bus-management channel (pairs with bus pin 19), with 3-state output rated IOH -800 µA and IOL 16 mA."
      },
      {
        "number": "3",
        "name": "IFC",
        "type": "bidirectional",
        "description": "Terminal-side I/O port of the Interface Clear bus-management channel (pairs with bus pin 18), with 3-state output rated IOH -800 µA and IOL 16 mA."
      },
      {
        "number": "4",
        "name": "NDAC",
        "type": "bidirectional",
        "description": "Terminal-side I/O port of the Not Data Accepted data-transfer channel (pairs with bus pin 17), with output rated IOH -800 µA and IOL 16 mA."
      },
      {
        "number": "5",
        "name": "NRFD",
        "type": "bidirectional",
        "description": "Terminal-side I/O port of the Not Ready For Data data-transfer channel (pairs with bus pin 16), with output rated IOH -800 µA and IOL 16 mA."
      },
      {
        "number": "6",
        "name": "DAV",
        "type": "bidirectional",
        "description": "Terminal-side I/O port of the Data Valid data-transfer channel (pairs with bus pin 15), with 3-state output rated IOH -800 µA and IOL 16 mA."
      },
      {
        "number": "7",
        "name": "EOI",
        "type": "bidirectional",
        "description": "Terminal-side I/O port of the End Or Identify channel (pairs with bus pin 14), whose direction follows DC and TE, with output rated IOH -800 µA and IOL 16 mA."
      },
      {
        "number": "8",
        "name": "ATN",
        "type": "bidirectional",
        "description": "Terminal-side I/O port of the Attention channel (pairs with bus pin 13), which also acts as the internal direction control for EOI when DC and TE are in the same state."
      },
      {
        "number": "9",
        "name": "SRQ",
        "type": "bidirectional",
        "description": "Terminal-side I/O port of the Service Request bus-management channel (pairs with bus pin 12), with output rated IOH -800 µA and IOL 16 mA."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device; all voltage values are with respect to this network ground terminal."
      },
      {
        "number": "11",
        "name": "DC",
        "type": "input",
        "description": "Direction control input that sets the transmit/receive direction of the ATN, SRQ, REN and IFC channels (and EOI together with TE); VIH min 2 V, VIL max 0.8 V."
      },
      {
        "number": "12",
        "name": "SRQ",
        "type": "bidirectional",
        "description": "GPIB bus-side I/O port of the Service Request channel with active bus-terminating resistors, driver sinks up to 48 mA and sources IOH -5.2 mA (3-state)."
      },
      {
        "number": "13",
        "name": "ATN",
        "type": "bidirectional",
        "description": "GPIB bus-side I/O port of the Attention channel with active bus-terminating resistors, driver sinks up to 48 mA and sources IOH -5.2 mA."
      },
      {
        "number": "14",
        "name": "EOI",
        "type": "bidirectional",
        "description": "GPIB bus-side I/O port of the End Or Identify channel with active bus-terminating resistors, driver sinks up to 48 mA and sources IOH -5.2 mA."
      },
      {
        "number": "15",
        "name": "DAV",
        "type": "bidirectional",
        "description": "GPIB bus-side I/O port of the Data Valid channel with active bus-terminating resistors, driver sinks up to 48 mA and sources IOH -5.2 mA."
      },
      {
        "number": "16",
        "name": "NRFD",
        "type": "bidirectional",
        "description": "GPIB bus-side I/O port of the Not Ready For Data channel with passive pull-up output and bus-terminating resistors, driver sinks up to 48 mA."
      },
      {
        "number": "17",
        "name": "NDAC",
        "type": "bidirectional",
        "description": "GPIB bus-side I/O port of the Not Data Accepted channel with passive pull-up output and bus-terminating resistors, driver sinks up to 48 mA."
      },
      {
        "number": "18",
        "name": "IFC",
        "type": "bidirectional",
        "description": "GPIB bus-side I/O port of the Interface Clear channel with active bus-terminating resistors, driver sinks up to 48 mA and sources IOH -5.2 mA."
      },
      {
        "number": "19",
        "name": "REN",
        "type": "bidirectional",
        "description": "GPIB bus-side I/O port of the Remote Enable channel with active bus-terminating resistors, driver sinks up to 48 mA and sources IOH -5.2 mA."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input, recommended 4.75 V to 5.25 V (5 V nominal), absolute maximum 7 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin-diagram text on page 1 is extracted as unordered name lists without pin-number alignment. I ; The datasheet has no N-package (PDIP) mechanical drawing in the provided text. The N package is iden; The datasheet gives conflicting receiver hysteresis values: 650 mV typ on page 1, 400 mV in the desc"
        ],
        "pages_sent": 24,
        "cost_usd": 0.1218,
        "at": "2026-11-09T05:55:50"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn75161bn.pdf",
        "pages": 24,
        "sha256": "c8a84578ea8156c4",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sn75161bn.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          26.162,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ca359c9b9e0ce94efcb6c96866513f659eef6517d629ace3c4a0a779f6fd57bb",
        "checked": "2026-11-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn75161bn-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          26.162,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "406bbc8ba8c45a942ee2fe80bef93962b2d3613c9c4b5b5f89bffba403d67701",
        "checked": "2026-11-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}