TMDS341APFCR

{
  "slug": "tmds341apfcr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Interface - Specialized, TQFP-80(12x12). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "tmds341apfcr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tmds341apfcr.kicad_sym",
    "tmds341apfcr.kicad_mod",
    "tmds341apfcr.glb",
    "tmds341apfcr.step",
    "tmds341apfcr.lbr",
    "docs/hero.png",
    "docs/tmds341apfcr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tmds341apfcr-hero.glb",
    "tmds341apfcr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TMDS341APFCR",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-80(12x12)",
    "pin_count": 80,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Interface - Specialized",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tmds341a",
    "parts": {
      "symbol": "tmds341apfcr.kicad_sym",
      "footprint": "tmds341apfcr.kicad_mod",
      "model_3d": "tmds341apfcr-hero.glb",
      "model_3d_plain": "tmds341apfcr.glb",
      "model_3d_step": "tmds341apfcr-etched.step",
      "model_3d_step_plain": "tmds341apfcr.step",
      "lbr": "tmds341apfcr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2674381",
      "digikey": "296-19741-2-ND",
      "mouser": "595-TMDS341APFCR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T16:05:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-19741-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TMDS341APFCR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; leave this pin unconnected."
      },
      {
        "number": "2",
        "name": "SDA1",
        "type": "bidirectional",
        "description": "Port 1 DDC bus data line, 5-V tolerant with a maximum input voltage of 5.5 V."
      },
      {
        "number": "3",
        "name": "SCL1",
        "type": "bidirectional",
        "description": "Port 1 DDC bus clock line, 5-V tolerant with a maximum input voltage of 5.5 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "5",
        "name": "B11",
        "type": "input",
        "description": "Port 1 TMDS negative input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "6",
        "name": "A11",
        "type": "input",
        "description": "Port 1 TMDS positive input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply pin; recommended supply range is 3 V to 3.6 V with a 0.01-µF capacitor to ground."
      },
      {
        "number": "8",
        "name": "B12",
        "type": "input",
        "description": "Port 1 TMDS negative input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "9",
        "name": "A12",
        "type": "input",
        "description": "Port 1 TMDS positive input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "11",
        "name": "B13",
        "type": "input",
        "description": "Port 1 TMDS negative input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "12",
        "name": "A13",
        "type": "input",
        "description": "Port 1 TMDS positive input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "13",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply pin; recommended supply range is 3 V to 3.6 V with a 0.01-µF capacitor to ground."
      },
      {
        "number": "14",
        "name": "B14",
        "type": "input",
        "description": "Port 1 TMDS negative input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "15",
        "name": "A14",
        "type": "input",
        "description": "Port 1 TMDS positive input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "17",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply pin; recommended supply range is 3 V to 3.6 V with a 0.01-µF capacitor to ground."
      },
      {
        "number": "18",
        "name": "VSADJ",
        "type": "input",
        "description": "TMDS swing control; a 1% precision resistor of about 4.64 kΩ (range 4.6 to 4.68 kΩ) to ground sets the differential output voltage to TMDS levels."
      },
      {
        "number": "19",
        "name": "PRE",
        "type": "input",
        "description": "Output de-emphasis select: high selects 3 dB, low selects 0 dB; low is recommended for a stand-alone switch box."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; leave this pin unconnected."
      },
      {
        "number": "21",
        "name": "S1",
        "type": "input",
        "description": "Source selector for Port 1; LVTTL input with logic high level of at least 2 V and low level of at most 0.8 V, selecting the active source per Table 1."
      },
      {
        "number": "22",
        "name": "S2",
        "type": "input",
        "description": "Source selector for Port 2; LVTTL input with logic high level of at least 2 V and low level of at most 0.8 V, selecting the active source per Table 1."
      },
      {
        "number": "23",
        "name": "S3",
        "type": "input",
        "description": "Source selector for Port 3; LVTTL input with logic high level of at least 2 V and low level of at most 0.8 V, selecting the active source per Table 1."
      },
      {
        "number": "24",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "25",
        "name": "Y4",
        "type": "output",
        "description": "TMDS positive output for the selected source, with 45-55 Ω termination resistance and AVCC of 3 V to 3.6 V."
      },
      {
        "number": "26",
        "name": "Z4",
        "type": "output",
        "description": "TMDS negative output for the selected source, with 45-55 Ω termination resistance and AVCC of 3 V to 3.6 V."
      },
      {
        "number": "27",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply pin; recommended supply range is 3 V to 3.6 V with a 0.01-µF capacitor to ground."
      },
      {
        "number": "28",
        "name": "Y3",
        "type": "output",
        "description": "TMDS positive output for the selected source, with 45-55 Ω termination resistance and AVCC of 3 V to 3.6 V."
      },
      {
        "number": "29",
        "name": "Z3",
        "type": "output",
        "description": "TMDS negative output for the selected source, with 45-55 Ω termination resistance and AVCC of 3 V to 3.6 V."
      },
      {
        "number": "30",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "31",
        "name": "Y2",
        "type": "output",
        "description": "TMDS positive output for the selected source, with 45-55 Ω termination resistance and AVCC of 3 V to 3.6 V."
      },
      {
        "number": "32",
        "name": "Z2",
        "type": "output",
        "description": "TMDS negative output for the selected source, with 45-55 Ω termination resistance and AVCC of 3 V to 3.6 V."
      },
      {
        "number": "33",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply pin; recommended supply range is 3 V to 3.6 V with a 0.01-µF capacitor to ground."
      },
      {
        "number": "34",
        "name": "Y1",
        "type": "output",
        "description": "TMDS positive output for the selected source, with 45-55 Ω termination resistance and AVCC of 3 V to 3.6 V."
      },
      {
        "number": "35",
        "name": "Z1",
        "type": "output",
        "description": "TMDS negative output for the selected source, with 45-55 Ω termination resistance and AVCC of 3 V to 3.6 V."
      },
      {
        "number": "36",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "37",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "38",
        "name": "SCL_SINK",
        "type": "bidirectional",
        "description": "Sink-side DDC bus clock line, 5-V tolerant with a maximum input voltage of 5.5 V."
      },
      {
        "number": "39",
        "name": "SDA_SINK",
        "type": "bidirectional",
        "description": "Sink-side DDC bus data line, 5-V tolerant with a maximum input voltage of 5.5 V."
      },
      {
        "number": "40",
        "name": "HPD_SINK",
        "type": "input",
        "description": "Sink-side hot plug detect input, 5-V tolerant; high (2 V to 5.3 V) means 5-V power is present and EDID is ready, low (at most 0.8 V) means not."
      },
      {
        "number": "41",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; leave this pin unconnected."
      },
      {
        "number": "42",
        "name": "OE",
        "type": "input",
        "description": "Output enable, active low; when high with a standard TMDS termination the TMDS outputs are high impedance."
      },
      {
        "number": "43",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply pin; recommended supply range is 3 V to 3.6 V with a 0.01-µF capacitor to ground."
      },
      {
        "number": "44",
        "name": "HPD3",
        "type": "output",
        "description": "Port 3 hot plug detect output, which passes HPD_SINK when Port 3 is selected and is held low otherwise; about 35 Ω typical output resistance, with a 1-kΩ 10% series resistor recommended."
      },
      {
        "number": "45",
        "name": "SDA3",
        "type": "bidirectional",
        "description": "Port 3 DDC bus data line, 5-V tolerant with a maximum input voltage of 5.5 V."
      },
      {
        "number": "46",
        "name": "SCL3",
        "type": "bidirectional",
        "description": "Port 3 DDC bus clock line, 5-V tolerant with a maximum input voltage of 5.5 V."
      },
      {
        "number": "47",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "48",
        "name": "B31",
        "type": "input",
        "description": "Port 3 TMDS negative input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "49",
        "name": "A31",
        "type": "input",
        "description": "Port 3 TMDS positive input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "50",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply pin; recommended supply range is 3 V to 3.6 V with a 0.01-µF capacitor to ground."
      },
      {
        "number": "51",
        "name": "B32",
        "type": "input",
        "description": "Port 3 TMDS negative input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "52",
        "name": "A32",
        "type": "input",
        "description": "Port 3 TMDS positive input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "53",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "54",
        "name": "B33",
        "type": "input",
        "description": "Port 3 TMDS negative input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "55",
        "name": "A33",
        "type": "input",
        "description": "Port 3 TMDS positive input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "56",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply pin; recommended supply range is 3 V to 3.6 V with a 0.01-µF capacitor to ground."
      },
      {
        "number": "57",
        "name": "B34",
        "type": "input",
        "description": "Port 3 TMDS negative input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "58",
        "name": "A34",
        "type": "input",
        "description": "Port 3 TMDS positive input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "59",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "60",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; leave this pin unconnected."
      },
      {
        "number": "61",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply pin; recommended supply range is 3 V to 3.6 V with a 0.01-µF capacitor to ground."
      },
      {
        "number": "62",
        "name": "HPD2",
        "type": "output",
        "description": "Port 2 hot plug detect output, which passes HPD_SINK when Port 2 is selected and is held low otherwise; about 35 Ω typical output resistance, with a 1-kΩ 10% series resistor recommended."
      },
      {
        "number": "63",
        "name": "SDA2",
        "type": "bidirectional",
        "description": "Port 2 DDC bus data line, 5-V tolerant with a maximum input voltage of 5.5 V."
      },
      {
        "number": "64",
        "name": "SCL2",
        "type": "bidirectional",
        "description": "Port 2 DDC bus clock line, 5-V tolerant with a maximum input voltage of 5.5 V."
      },
      {
        "number": "65",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "66",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "67",
        "name": "B21",
        "type": "input",
        "description": "Port 2 TMDS negative input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "68",
        "name": "A21",
        "type": "input",
        "description": "Port 2 TMDS positive input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "69",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply pin; recommended supply range is 3 V to 3.6 V with a 0.01-µF capacitor to ground."
      },
      {
        "number": "70",
        "name": "B22",
        "type": "input",
        "description": "Port 2 TMDS negative input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "71",
        "name": "A22",
        "type": "input",
        "description": "Port 2 TMDS positive input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "72",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "73",
        "name": "B23",
        "type": "input",
        "description": "Port 2 TMDS negative input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "74",
        "name": "A23",
        "type": "input",
        "description": "Port 2 TMDS positive input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "75",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply pin; recommended supply range is 3 V to 3.6 V with a 0.01-µF capacitor to ground."
      },
      {
        "number": "76",
        "name": "B24",
        "type": "input",
        "description": "Port 2 TMDS negative input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "77",
        "name": "A24",
        "type": "input",
        "description": "Port 2 TMDS positive input, receiver with integrated 50-Ω termination to VCC and 8-dB equalization."
      },
      {
        "number": "78",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "79",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply pin; recommended supply range is 3 V to 3.6 V with a 0.01-µF capacitor to ground."
      },
      {
        "number": "80",
        "name": "HPD1",
        "type": "output",
        "description": "Port 1 hot plug detect output, which passes HPD_SINK when Port 1 is selected and is held low otherwise; about 35 Ω typical output resistance, with a 1-kΩ 10% series resistor recommended."
      }
    ],
    "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: The printed pin-map drawing on page 3 is garbled in the text extraction, so the pin-to-name mapping ; The Terminal Functions table groups several names with multiple pin numbers (GND: 14 pins; VCC: 12 p; Pin type for OE, S1-S3, PRE and VSADJ is taken from the 'I' code in the table; pin types for VCC and",
          "24/80 pins cited to the wrong page (name found elsewhere): ['17:VCC@p7', '25:Y4@p7', '26:Z4@p7', '27:VCC@p7']"
        ],
        "pages_sent": 13,
        "cost_usd": 0.1133,
        "at": "2026-10-08T16:04:34"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tmds341a",
        "pages": 32,
        "sha256": "d4b5ddfc7a56b285",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 80,
        "described": 80,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tmds341apfcr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          14.0,
          14.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "77f4de0ca0c787b8b4416c735fddfcecf5cf4cea0ca3550f96f5c47c8664594c",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tmds341apfcr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          14.0,
          14.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f4aeae5f4fd11add8c4eefa7b07d620d532dce742b2b4443b01f914eaba7054f",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}