DP83843BVJE

{
  "schema_version": 1,
  "type": "component",
  "slug": "dp83843bvje",
  "title": "DP83843BVJE",
  "brief": "Texas Instruments Ethernet Transceivers, QFP-80(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "dp83843bvje",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DP83843BVJE",
    "manufacturer": "Texas Instruments",
    "package": "QFP-80(14x14)",
    "pin_count": 80,
    "category": "Interface",
    "subcategory": "Ethernet Transceivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/dp83843",
    "parts": {
      "symbol": "dp83843bvje.kicad_sym",
      "footprint": "dp83843bvje.kicad_mod",
      "model_3d": "dp83843bvje-hero.glb",
      "model_3d_plain": "dp83843bvje.glb",
      "model_3d_step": "dp83843bvje-etched.step",
      "model_3d_step_plain": "dp83843bvje.step",
      "lbr": "dp83843bvje.lbr"
    },
    "distributor_links": {
      "lcsc": "C2872531",
      "digikey": "2156-DP83843BVJE-TI-ND",
      "mouser": "926-DP83843BVJE"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T17:07:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-DP83843BVJE-TI-ND",
        "status": "found",
        "lifecycle": "Not For New Designs"
      },
      "mouser": {
        "pn": "926-DP83843BVJE",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RESET",
        "type": "input",
        "description": "Active-high input that initializes or reinitializes the DP83843; a positive pulse of at least 1 µs resets all registers to default and re-latches the strapping options."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, reserved for future use; leave floating."
      },
      {
        "number": "3",
        "name": "AN1",
        "type": "input",
        "description": "Three-level input (1, M, 0) that works with AN0 to set the forced or advertised operating mode, latched at power-up, hardware or software reset."
      },
      {
        "number": "4",
        "name": "AN0",
        "type": "input",
        "description": "Three-level input (1, M, 0) that works with AN1 to set the forced or advertised operating mode, latched at power-up/reset."
      },
      {
        "number": "5",
        "name": "SPEED10",
        "type": "output",
        "description": "Indicates 10 Mb/s operation when high and 100 Mb/s operation when low; can drive peripheral circuitry such as an LED."
      },
      {
        "number": "6",
        "name": "IO_VDD1",
        "type": "power_in",
        "description": "TTL input/output supply #1, paired with IO_VSS1."
      },
      {
        "number": "7",
        "name": "IO_VSS1",
        "type": "power_in",
        "description": "TTL input/output ground #1, paired with IO_VDD1."
      },
      {
        "number": "8",
        "name": "X2",
        "type": "output",
        "description": "Crystal oscillator output for a 25 MHz crystal used with X1; must be left unconnected when an external CMOS oscillator drives X1."
      },
      {
        "number": "9",
        "name": "X1",
        "type": "input",
        "description": "Primary clock reference input, to be a 25 MHz 0.005% (50 ppm) source, either a crystal across X1/X2 or a CMOS oscillator on X1 only."
      },
      {
        "number": "10",
        "name": "PCS_VDD",
        "type": "power_in",
        "description": "Physical Coding Sublayer supply, paired with PCS_VSS."
      },
      {
        "number": "11",
        "name": "PCS_VSS",
        "type": "power_in",
        "description": "Physical Coding Sublayer ground, paired with PCS_VDD."
      },
      {
        "number": "12",
        "name": "RXD[3]",
        "type": "tri_state",
        "description": "Nibble-wide receive data bit 3, synchronous to RX_CLK and driven on its falling edge; a don't care in 10 Mb/s serial mode."
      },
      {
        "number": "13",
        "name": "RXD[2]",
        "type": "tri_state",
        "description": "Nibble-wide receive data bit 2, synchronous to RX_CLK and driven on its falling edge; a don't care in 10 Mb/s serial mode."
      },
      {
        "number": "14",
        "name": "RXD[1]",
        "type": "tri_state",
        "description": "Nibble-wide receive data bit 1, synchronous to RX_CLK and driven on its falling edge; a don't care in 10 Mb/s serial mode."
      },
      {
        "number": "15",
        "name": "RXD[0]",
        "type": "tri_state",
        "description": "Nibble-wide receive data bit 0; in 10 Mb/s serial mode it is the serial data output, clocked on the falling edge of RX_CLK."
      },
      {
        "number": "16",
        "name": "IO_VDD2",
        "type": "power_in",
        "description": "TTL input/output supply #2, paired with IO_VSS2."
      },
      {
        "number": "17",
        "name": "IO_VSS2",
        "type": "power_in",
        "description": "TTL input/output ground #2, paired with IO_VDD2."
      },
      {
        "number": "18",
        "name": "RX_CLK",
        "type": "tri_state",
        "description": "Recovered receive clock: 25 MHz in 100 Mb/s mode, 2.5 MHz in 10 Mb/s nibble mode, and 10 MHz in 10 Mb/s serial mode."
      },
      {
        "number": "19",
        "name": "RX_ER/RXD[4]",
        "type": "tri_state",
        "description": "Asserted high to indicate an invalid symbol in a received packet in 100 Mb/s mode; becomes RXD[4], the MSB of the receive 5-bit symbol, in Symbol mode."
      },
      {
        "number": "20",
        "name": "RX_DV",
        "type": "tri_state",
        "description": "Asserted high to indicate valid data on RXD[3:0] (nibble mode) or RXD[0] (serial mode); driven on the falling edge of RX_CLK and not meaningful in Symbol mode."
      },
      {
        "number": "21",
        "name": "COL/FXEN",
        "type": "bidirectional",
        "description": "COL asserts high to indicate collision in 10 and 100 Mb/s Half Duplex and is always 0 in Full Duplex; as FXEN it is an active-low strap (internal pull-up, pull low ~10 kΩ) that enables 100BASE-FX operation."
      },
      {
        "number": "22",
        "name": "CRS/SYMBOL",
        "type": "bidirectional",
        "description": "CRS asserts high to indicate carrier presence in 10BASE-T or 100BASE-X Half Duplex; as SYMBOL it is an active-low strap (internal pull-up, pull low ~10 kΩ) that selects Symbol mode at 100 Mb/s."
      },
      {
        "number": "23",
        "name": "RX_EN",
        "type": "input",
        "description": "Active-high enable for RXD[3:0], RX_CLK, RX_DV and RX_ER; a low places these outputs in TRI-STATE and it should be pulled high for node or switch operation."
      },
      {
        "number": "24",
        "name": "TX_ER/TXD[4]",
        "type": "input",
        "description": "In 100 Mb/s mode, when high with TX_EN active the HALT symbol replaces the data nibble; ignored in 10 Mb/s mode, and TXD[4] (MSB of the transmit symbol) in Symbol mode."
      },
      {
        "number": "25",
        "name": "TX_EN",
        "type": "input",
        "description": "Active-high input indicating valid nibble data on TXD[3:0] for 10 or 100 Mb/s nibble mode, or valid data on TXD[0] in 10 Mb/s serial mode."
      },
      {
        "number": "26",
        "name": "IO_VDD3",
        "type": "power_in",
        "description": "TTL input/output supply #3, paired with IO_VSS3."
      },
      {
        "number": "27",
        "name": "IO_VSS3",
        "type": "power_in",
        "description": "TTL input/output ground #3, paired with IO_VDD3."
      },
      {
        "number": "28",
        "name": "TXD[3]",
        "type": "input",
        "description": "Nibble-wide MII transmit data bit 3, clocked at 2.5 MHz (10BASE-T) or 25 MHz (100BASE-X); ignored in 10 Mb/s serial mode."
      },
      {
        "number": "29",
        "name": "TXD[2]",
        "type": "input",
        "description": "Nibble-wide MII transmit data bit 2, clocked at 2.5 MHz (10BASE-T) or 25 MHz (100BASE-X); ignored in 10 Mb/s serial mode."
      },
      {
        "number": "30",
        "name": "TXD[1]",
        "type": "input",
        "description": "Nibble-wide MII transmit data bit 1, clocked at 2.5 MHz (10BASE-T) or 25 MHz (100BASE-X); ignored in 10 Mb/s serial mode."
      },
      {
        "number": "31",
        "name": "TXD[0]",
        "type": "input",
        "description": "Nibble-wide MII transmit data bit 0; in 10 Mb/s serial mode it is the serial data input."
      },
      {
        "number": "32",
        "name": "IO_VSS4",
        "type": "power_in",
        "description": "TTL input/output ground #4; the datasheet lists no matching IO_VDD4 pin."
      },
      {
        "number": "33",
        "name": "TX_CLK",
        "type": "tri_state",
        "description": "Transmit clock output: 25 MHz in 100BASE-TX, 2.5 MHz in 10BASE-T nibble mode, and 10 MHz in 10BASE-T serial mode."
      },
      {
        "number": "34",
        "name": "MDIO",
        "type": "bidirectional",
        "description": "Bi-directional management instruction/data signal that requires a 1.5 kΩ pull-up resistor."
      },
      {
        "number": "35",
        "name": "MDC",
        "type": "input",
        "description": "Management data clock synchronous to MDIO, with a maximum rate of 2.5 MHz and no minimum rate."
      },
      {
        "number": "36",
        "name": "IO_VDD5",
        "type": "power_in",
        "description": "TTL input/output supply #5, paired with IO_VSS5."
      },
      {
        "number": "37",
        "name": "IO_VSS5",
        "type": "power_in",
        "description": "TTL input/output ground #5, paired with IO_VDD5."
      },
      {
        "number": "38",
        "name": "LED_FDPOL/PHYAD[4]",
        "type": "bidirectional",
        "description": "Full Duplex LED for 10 or 100 Mb/s operation (or 10BASE-T polarity indicator when configured); as PHYAD[4] it is strapped at power-up/reset with a pull-up/pull-down resistor (typically 10 kΩ)."
      },
      {
        "number": "39",
        "name": "LED_LINK/PHYAD[3]",
        "type": "bidirectional",
        "description": "Link LED indicating good link for 10 and 100 Mb/s operation; as PHYAD[3] it is strapped at power-up/reset with a pull-up/pull-down resistor (typically 10 kΩ)."
      },
      {
        "number": "40",
        "name": "LED_RX/PHYAD[2]",
        "type": "bidirectional",
        "description": "Receive LED indicating receive activity for 10 and 100 Mb/s operation with an approximately 50 ms monostable; as PHYAD[2] it is strapped at power-up/reset."
      },
      {
        "number": "41",
        "name": "LED_TX/PHYAD[1]",
        "type": "bidirectional",
        "description": "Transmit LED indicating transmit activity for 10 and 100 Mb/s operation with an approximately 50 ms monostable; as PHYAD[1] it is strapped at power-up/reset."
      },
      {
        "number": "42",
        "name": "LED_COL/PHYAD[0]",
        "type": "bidirectional",
        "description": "Collision LED indicating collision activity in 10 and 100 Mb/s Half Duplex operation; as PHYAD[0] it is strapped at power-up/reset."
      },
      {
        "number": "43",
        "name": "FXTD+/AUITD+",
        "type": "output",
        "description": "Differential output driving 125 Mb/s PECL for 100BASE-FX or AUI Manchester data at 10 Mb/s; enabled only in 100BASE-FX configuration."
      },
      {
        "number": "44",
        "name": "FXTD-/AUITD-",
        "type": "output",
        "description": "Complementary differential output driving 125 Mb/s PECL for 100BASE-FX or AUI Manchester data at 10 Mb/s; enabled only in 100BASE-FX configuration."
      },
      {
        "number": "45",
        "name": "AUIFX_GND",
        "type": "power_in",
        "description": "AUI power supply ground, paired with AUIFX_VDD."
      },
      {
        "number": "46",
        "name": "AUIFX_VDD",
        "type": "power_in",
        "description": "AUI power supply, paired with AUIFX_GND."
      },
      {
        "number": "47",
        "name": "FXSD-/CD-",
        "type": "input",
        "description": "Complementary 125 Mb/s PECL signal-detect input for 100BASE-FX or complementary AUI collision-detect input at 10 Mb/s."
      },
      {
        "number": "48",
        "name": "FXSD+/CD+",
        "type": "input",
        "description": "Differential 125 Mb/s PECL signal-detect input for 100BASE-FX or AUI collision-detect input at 10 Mb/s."
      },
      {
        "number": "49",
        "name": "FXRD-/AUIRD-",
        "type": "input",
        "description": "Complementary 125 Mb/s PECL receive input for 100BASE-FX or AUI Manchester receive input at 10 Mb/s; enabled only in 100BASE-FX configuration."
      },
      {
        "number": "50",
        "name": "FXRD+/AUIRD+",
        "type": "input",
        "description": "Differential 125 Mb/s PECL receive input for 100BASE-FX or AUI Manchester receive input at 10 Mb/s; enabled only in 100BASE-FX configuration."
      },
      {
        "number": "51",
        "name": "CP_AGND",
        "type": "power_in",
        "description": "CRM/CGM supply ground, paired with CP_AVDD."
      },
      {
        "number": "52",
        "name": "CP_AVDD",
        "type": "power_in",
        "description": "CRM/CGM supply, paired with CP_AGND."
      },
      {
        "number": "53",
        "name": "CPTW_DVSS",
        "type": "power_in",
        "description": "CRM/CGM digital ground, paired with CPTW_DVDD."
      },
      {
        "number": "54",
        "name": "CPTW_DVDD",
        "type": "power_in",
        "description": "CRM/CGM digital supply, paired with CPTW_DVSS."
      },
      {
        "number": "55",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, reserved for future use; leave floating."
      },
      {
        "number": "56",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, reserved for future use; leave floating."
      },
      {
        "number": "57",
        "name": "ATP_GND",
        "type": "power_in",
        "description": "100BASE-T PMD supply ground."
      },
      {
        "number": "58",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, reserved for future use; leave floating."
      },
      {
        "number": "59",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, reserved for future use; leave floating."
      },
      {
        "number": "60",
        "name": "TWREF",
        "type": "input",
        "description": "External reference resistor to TW_AGND that sets TP-PMD receiver equalization; the value is 70k ±1%."
      },
      {
        "number": "61",
        "name": "BGREF",
        "type": "input",
        "description": "External current reference resistor for the internal bandgap circuitry; the value is 4.87k ±1%."
      },
      {
        "number": "62",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, reserved for future use; leave floating."
      },
      {
        "number": "63",
        "name": "THIN/REPEATER",
        "type": "bidirectional",
        "description": "THIN controls an external CTI coaxial transceiver via bit 3 of register 18h; as REPEATER, high selects 100 Mb/s repeater mode and low selects node mode, latched at power-up/reset (internal pull-up, pull low ~10 kΩ for node)."
      },
      {
        "number": "64",
        "name": "TW_AGND",
        "type": "power_in",
        "description": "100 Mb/s power supply ground, paired with TW_AVDD."
      },
      {
        "number": "65",
        "name": "TPRD-",
        "type": "input",
        "description": "Complementary differential receive input accepting 10BASE-T or 100BASE-TX scrambled MLT-3 data, automatically configured."
      },
      {
        "number": "66",
        "name": "VCM_CAP",
        "type": "passive",
        "description": "Common mode bypass capacitor connection for receive filtering; a 0.0033 µF capacitor in parallel with a 0.10 µF capacitor is recommended."
      },
      {
        "number": "67",
        "name": "TPRD+",
        "type": "input",
        "description": "Differential receive input accepting 10BASE-T or 100BASE-TX scrambled MLT-3 data, automatically configured."
      },
      {
        "number": "68",
        "name": "TW_AVDD",
        "type": "power_in",
        "description": "100 Mb/s power supply, paired with TW_AGND."
      },
      {
        "number": "69",
        "name": "SERIAL10",
        "type": "input",
        "description": "Active-low select for 10 Mb/s serial MII on TXD[0]/RXD[0] at a 10 MHz clock; internal pull-up, latched at reset, and ignored at 100 Mb/s."
      },
      {
        "number": "70",
        "name": "SUB_GND1",
        "type": "power_in",
        "description": "100BASE-T PMD substrate ground."
      },
      {
        "number": "71",
        "name": "CD_GND0",
        "type": "power_in",
        "description": "Common driver ground, paired with CD_VDD0."
      },
      {
        "number": "72",
        "name": "CD_VDD0",
        "type": "power_in",
        "description": "Common driver supply, paired with CD_GND0."
      },
      {
        "number": "73",
        "name": "TPTD-",
        "type": "output",
        "description": "Complementary differential transmit output for 10BASE-T or 100BASE-TX MLT-3 signaling, configured automatically."
      },
      {
        "number": "74",
        "name": "TPTD+",
        "type": "output",
        "description": "Differential transmit output for 10BASE-T or 100BASE-TX MLT-3 signaling, configured automatically."
      },
      {
        "number": "75",
        "name": "CD_GND1",
        "type": "power_in",
        "description": "Common driver ground, paired with CD_VDD1."
      },
      {
        "number": "76",
        "name": "CD_VDD1",
        "type": "power_in",
        "description": "Common driver supply, paired with CD_GND1."
      },
      {
        "number": "77",
        "name": "SUB_GND2",
        "type": "power_in",
        "description": "100BASE-T PMD substrate ground."
      },
      {
        "number": "78",
        "name": "TXAR100",
        "type": "passive",
        "description": "Transmit amplitude reference pin; a resistor to ground or VCC adjusts the 100BASE-TX amplitude toward 2 V pk-pk differential ±5%, and the pin may float in typical applications."
      },
      {
        "number": "79",
        "name": "TR_AVDD",
        "type": "power_in",
        "description": "10 Mb/s supply, paired with TR_AGND."
      },
      {
        "number": "80",
        "name": "TR_AGND",
        "type": "power_in",
        "description": "10 Mb/s supply ground, paired with TR_AVDD."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        ],
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        "cost_usd": 0.1842,
        "at": "2026-10-08T17:06:38"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/dp83843",
        "pages": 91,
        "sha256": "375dfba8351a3cf9",
        "source_tier": "lcsc"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "QFP-80(14x14)",
      "Category": "Interface",
      "Pins": "80"
    }
  },
  "variants": [],
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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