DS42MB100TSQ

{
  "slug": "ds42mb100tsq",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments New Arrivals, QFN-36-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "others",
    "ds42mb100tsq",
    "factory-2.0.0",
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    "ds42mb100tsq.step",
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  "component": {
    "mpn": "DS42MB100TSQ",
    "manufacturer": "Texas Instruments",
    "package": "QFN-36-EP(6x6)",
    "pin_count": 37,
    "category": "Others",
    "subcategory": "New Arrivals",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ds42mb100tsq.pdf",
    "parts": {
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      "footprint": "ds42mb100tsq.kicad_mod",
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      "lbr": "ds42mb100tsq.lbr"
    },
    "distributor_links": {
      "lcsc": "C2675115"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T00:19:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DES_1",
        "type": "input",
        "description": "DES_0 and DES_1 select the output pre-emphasis of the switch-side drivers (OUT0±, OUT1±); both are 3.3-V LVCMOS inputs internally pulled high."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; each ground pin should connect to the ground plane through a low-inductance path, typically a via placed as close as possible to the pad."
      },
      {
        "number": "3",
        "name": "OUT0+",
        "type": "output",
        "description": "Non-inverting switch-side differential output (CML) with an internal 50 Ω termination to VCC."
      },
      {
        "number": "4",
        "name": "OUT0-",
        "type": "output",
        "description": "Inverting switch-side differential output (CML) with an internal 50 Ω termination to VCC."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin, VCC = 3.3 V ±5% (3.135 V to 3.465 V), to be connected to the VCC plane through a low-inductance path with a 0.01 µF or 0.1 µF X7R size-0402 bypass capacitor."
      },
      {
        "number": "6",
        "name": "IN0+",
        "type": "input",
        "description": "Non-inverting switch-side MUX differential input (CML) with an internal 50 Ω connected to an internal reference voltage; input differential termination is 100 Ω."
      },
      {
        "number": "7",
        "name": "IN0-",
        "type": "input",
        "description": "Inverting switch-side MUX differential input (CML) with an internal 50 Ω connected to an internal reference voltage; input differential termination is 100 Ω."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; connect to the ground plane through a low-inductance path, typically a via placed as close as possible to the pad."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; connect to the ground plane through a low-inductance path, typically a via placed as close as possible to the pad."
      },
      {
        "number": "10",
        "name": "DES_0",
        "type": "input",
        "description": "DES_0 and DES_1 select the output pre-emphasis of the switch-side drivers (OUT0±, OUT1±); 3.3-V LVCMOS input internally pulled high."
      },
      {
        "number": "11",
        "name": "EQL",
        "type": "input",
        "description": "A logic low enables the input equalizer on the line side; internally pulled high, with equalization disabled by default."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; connect to the ground plane through a low-inductance path, typically a via placed as close as possible to the pad."
      },
      {
        "number": "13",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin, VCC = 3.3 V ±5%; connect to the VCC plane through a low-inductance path with a 0.01 µF or 0.1 µF X7R size-0402 bypass capacitor."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; connect to the ground plane through a low-inductance path, typically a via placed as close as possible to the pad."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin, VCC = 3.3 V ±5%; connect to the VCC plane through a low-inductance path with a 0.01 µF or 0.1 µF X7R size-0402 bypass capacitor."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; connect to the ground plane through a low-inductance path, typically a via placed as close as possible to the pad."
      },
      {
        "number": "17",
        "name": "RSV",
        "type": "input",
        "description": "Reserved for factory testing; may be left open, tied to GND, or tied to GND through an external pull-down resistor."
      },
      {
        "number": "18",
        "name": "DEL_0",
        "type": "input",
        "description": "DEL_0 and DEL_1 select the output pre-emphasis of the line-side drivers (OUT±); 3.3-V LVCMOS input internally pulled high."
      },
      {
        "number": "19",
        "name": "MUX",
        "type": "input",
        "description": "A logic low selects IN1±; 3.3-V LVCMOS input internally pulled high, with the default state selecting IN0±."
      },
      {
        "number": "20",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; connect to the ground plane through a low-inductance path, typically a via placed as close as possible to the pad."
      },
      {
        "number": "21",
        "name": "OUT1-",
        "type": "output",
        "description": "Inverting switch-side differential output (CML) with an internal 50 Ω termination to VCC."
      },
      {
        "number": "22",
        "name": "OUT1+",
        "type": "output",
        "description": "Non-inverting switch-side differential output (CML) with an internal 50 Ω termination to VCC."
      },
      {
        "number": "23",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin, VCC = 3.3 V ±5%; connect to the VCC plane through a low-inductance path with a 0.01 µF or 0.1 µF X7R size-0402 bypass capacitor."
      },
      {
        "number": "24",
        "name": "IN1-",
        "type": "input",
        "description": "Inverting switch-side MUX differential input (CML) with an internal 50 Ω connected to an internal reference voltage; input differential termination is 100 Ω."
      },
      {
        "number": "25",
        "name": "IN1+",
        "type": "input",
        "description": "Non-inverting switch-side MUX differential input (CML) with an internal 50 Ω connected to an internal reference voltage; input differential termination is 100 Ω."
      },
      {
        "number": "26",
        "name": "LB1",
        "type": "input",
        "description": "A logic low enables the internal loopback path from IN1± to OUT1±; 3.3-V LVCMOS input internally pulled high."
      },
      {
        "number": "27",
        "name": "DEL_1",
        "type": "input",
        "description": "DEL_0 and DEL_1 select the output pre-emphasis of the line-side drivers (OUT±); 3.3-V LVCMOS input internally pulled high."
      },
      {
        "number": "28",
        "name": "LB0",
        "type": "input",
        "description": "A logic low enables the internal loopback path from IN0± to OUT0±; 3.3-V LVCMOS input internally pulled high."
      },
      {
        "number": "29",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; connect to the ground plane through a low-inductance path, typically a via placed as close as possible to the pad."
      },
      {
        "number": "30",
        "name": "OUT+",
        "type": "output",
        "description": "Non-inverting line-side differential output (CML) with an internal 50 Ω termination to VCC."
      },
      {
        "number": "31",
        "name": "OUT-",
        "type": "output",
        "description": "Inverting line-side differential output (CML) with an internal 50 Ω termination to VCC."
      },
      {
        "number": "32",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin, VCC = 3.3 V ±5%; connect to the VCC plane through a low-inductance path with a 0.01 µF or 0.1 µF X7R size-0402 bypass capacitor."
      },
      {
        "number": "33",
        "name": "IN+",
        "type": "input",
        "description": "Non-inverting line-side differential input (CML) with an internal 50 Ω connected to an internal reference voltage; input differential termination is 100 Ω."
      },
      {
        "number": "34",
        "name": "IN-",
        "type": "input",
        "description": "Inverting line-side differential input (CML) with an internal 50 Ω connected to an internal reference voltage; input differential termination is 100 Ω."
      },
      {
        "number": "35",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; connect to the ground plane through a low-inductance path, typically a via placed as close as possible to the pad."
      },
      {
        "number": "36",
        "name": "EQS",
        "type": "input",
        "description": "A logic low enables the input equalizer on the switch side; internally pulled high, with equalization disabled by default."
      },
      {
        "number": "37",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: Package naming: the datasheet names the package WQFN-36 (NJK), 6.00 mm x 6.00 mm, with a DAP. The re; The exposed pad (DAP) is not a numbered pin in the datasheet; it is listed as GND and is included wi; Pin types: the datasheet classifies VCC and GND as power pins (mapped to power_in) and classifies al",
          "exposed pad 37 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0794,
        "at": "2026-10-31T00:19:23"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ds42mb100tsq.pdf",
        "pages": 24,
        "sha256": "6ec4383827739115",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 37,
        "described": 37,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "centre_offset_mm": 0.0,
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        "sha256": "6212c4fd2463ccb7c6ae2c35f5e24c80884153fcaeaf8e86549c0e49087bc8bb",
        "checked": "2026-10-31",
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        "sha256": "13b496f3004d44d862e1cca23b16ec82d4b89674fedb29c6c1ee729611bc5ad4",
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}