component
DP83TC814SRHARQ1
Public Made by Adomby adom
Texas Instruments Ethernet ICs, VQFN-36(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "dp83tc814srharq1",
"title": "DP83TC814SRHARQ1",
"brief": "Texas Instruments Ethernet ICs, VQFN-36(6x6). 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",
"communication interface chip-uart-485-232",
"dp83tc814srharq1",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "DP83TC814SRHARQ1",
"manufacturer": "Texas Instruments",
"package": "VQFN-36(6x6)",
"pin_count": 37,
"category": "Communication Interface Chip/UART/485/232",
"subcategory": "Ethernet ICs",
"datasheet": "https://www.ti.com/cn/lit/gpn/dp83tc814s-q1",
"parts": {
"symbol": "dp83tc814srharq1.kicad_sym",
"footprint": "dp83tc814srharq1.kicad_mod",
"model_3d": "dp83tc814srharq1-hero.glb",
"model_3d_plain": "dp83tc814srharq1-etched.glb",
"model_3d_step": "dp83tc814srharq1-etched.step",
"model_3d_step_plain": "dp83tc814srharq1.step",
"lbr": "dp83tc814srharq1.lbr"
},
"distributor_links": {
"lcsc": "C3225816",
"digikey": "296-DP83TC814SRHARQ1TR-ND",
"mouser": "595-DP83TC814SRHARQ1"
},
"distributor_check": {
"checked_at": "2026-10-31T01:46:37Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-DP83TC814SRHARQ1TR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-DP83TC814SRHARQ1",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "MDC",
"type": "input",
"description": "Management data clock for MDIO serial management, asynchronous to the MAC clocks, maximum rate 20MHz with no minimum rate (VDDIO domain)."
},
{
"number": "2",
"name": "INT_N",
"type": "bidirectional",
"description": "Active-low open-drain interrupt output with weak internal pull-up that can also act as a power-down control input, polarity configurable via register 0x0011 (VDDIO domain)."
},
{
"number": "3",
"name": "RESET_N",
"type": "input",
"description": "Active-low reset input with internal pull-up; hold low for at least 1µs to reinitialize the PHY, and strap pins are resampled on deassertion (VDDIO domain)."
},
{
"number": "4",
"name": "XO",
"type": "output",
"description": "Crystal reference clock output used only with a crystal; must be left floating when a CMOS oscillator drives XI."
},
{
"number": "5",
"name": "XI",
"type": "input",
"description": "25MHz crystal or CMOS oscillator reference clock input (50MHz in RMII slave mode); use a 100Ω series resistor with a crystal."
},
{
"number": "6",
"name": "LED_1/GPIO_1",
"type": "bidirectional",
"description": "Link status LED (blinks on TX/RX activity) or GPIO that is also the AUTO strap pin with internal pull-down (VDDIO domain)."
},
{
"number": "7",
"name": "VDDA",
"type": "power_in",
"description": "3.3V VDDA supply; 0.1µF ceramic decoupling capacitor recommended."
},
{
"number": "8",
"name": "DNC",
"type": "unconnected",
"description": "Do not connect; leave floating."
},
{
"number": "9",
"name": "NC",
"type": "unconnected",
"description": "No connect, floats on power-up; for DP83TC815 adaptation connect to pin 21."
},
{
"number": "10",
"name": "DNC",
"type": "unconnected",
"description": "Do not connect; leave floating."
},
{
"number": "11",
"name": "VDDA",
"type": "power_in",
"description": "3.3V core supply; 0.47µF and 0.01µF ceramic decoupling capacitors recommended, optional ferrite bead."
},
{
"number": "12",
"name": "TRD_P",
"type": "bidirectional",
"description": "Positive differential transmit/receive pin for IEEE 802.3bw 100BASE-T1 operation (VDDA domain, ±8kV HBM ESD)."
},
{
"number": "13",
"name": "TRD_M",
"type": "bidirectional",
"description": "Negative differential transmit/receive pin for IEEE 802.3bw 100BASE-T1 operation (VDDA domain, ±8kV HBM ESD)."
},
{
"number": "14",
"name": "RX_ER",
"type": "bidirectional",
"description": "Receive error output in MII/RMII modes, unused in RGMII/SGMII; also PHY_AD[1]/PHY_AD[3] 3-level strap with internal pull-down (VDDMAC domain)."
},
{
"number": "15",
"name": "RX_DV/CRS_DV/RX_CTRL",
"type": "bidirectional",
"description": "Receive data valid (MII), carrier sense/data valid (RMII) or RGMII receive control, unused in SGMII; also PHY_AD[0]/PHY_AD[2] 3-level strap with pull-down (VDDMAC domain)."
},
{
"number": "16",
"name": "CLKOUT/GPIO_2",
"type": "bidirectional",
"description": "25MHz reference clock output (50MHz in RMII slave mode), configurable as LED or GPIO, with AUTO strap function (VDDMAC domain)."
},
{
"number": "17",
"name": "GND_ESC",
"type": "passive",
"description": "Optional ground escape pin that may be tied to ground for PCB layout; not a substitute for the DAP ground, and may be left open."
},
{
"number": "18",
"name": "GND_ESC",
"type": "passive",
"description": "Optional ground escape pin that may be tied to ground for PCB layout; not a substitute for the DAP ground, and may be left open."
},
{
"number": "19",
"name": "DNC",
"type": "unconnected",
"description": "Do not connect; leave floating."
},
{
"number": "20",
"name": "DNC",
"type": "unconnected",
"description": "Do not connect; leave floating."
},
{
"number": "21",
"name": "NC",
"type": "unconnected",
"description": "No connect, floating; for DP83TC815 adaptation connect 2.2µF and 0.1µF ceramic capacitors from this pin to GND and connect pin 9 to it."
},
{
"number": "22",
"name": "VDDMAC",
"type": "power_in",
"description": "Optional separate 1.8V, 2.5V or 3.3V supply for MAC interface pins; connect to VDDIO if no separate supply is needed, with 0.47µF and 0.01µF decoupling."
},
{
"number": "23",
"name": "RX_D3/RX_M",
"type": "bidirectional",
"description": "Receive data bit 3 (MII/RGMII), SGMII differential output RX_M, or 50MHz RMII master clock output; CLKOUT_PIN strap with pull-down (VDDMAC domain)."
},
{
"number": "24",
"name": "RX_D2/RX_P",
"type": "bidirectional",
"description": "Receive data bit 2 (MII/RGMII) or SGMII differential output RX_P; MAC[2] strap with pull-down (VDDMAC domain)."
},
{
"number": "25",
"name": "RX_D1",
"type": "bidirectional",
"description": "Receive data bit 1 synchronous to RX_CLK; MAC[1] interface-select strap with pull-down (VDDMAC domain)."
},
{
"number": "26",
"name": "RX_D0",
"type": "bidirectional",
"description": "Receive data bit 0 synchronous to RX_CLK; MAC[0] interface-select strap with pull-down (VDDMAC domain)."
},
{
"number": "27",
"name": "RX_CLK",
"type": "bidirectional",
"description": "25MHz receive clock in MII and RGMII modes, unused in RMII and SGMII, with internal pull-down (VDDMAC domain)."
},
{
"number": "28",
"name": "TX_CLK",
"type": "bidirectional",
"description": "25MHz transmit clock output in MII mode or 25MHz clock input from the MAC in RGMII mode, unused in RMII and SGMII (VDDMAC domain)."
},
{
"number": "29",
"name": "TX_EN/TX_CTRL",
"type": "input",
"description": "Transmit enable (MII/RMII) or RGMII transmit control, unused in SGMII, with internal pull-down (VDDMAC domain)."
},
{
"number": "30",
"name": "TX_D3",
"type": "input",
"description": "Transmit data bit 3 from the MAC in MII/RGMII modes, unused in RMII (VDDMAC domain)."
},
{
"number": "31",
"name": "TX_D2",
"type": "input",
"description": "Transmit data bit 2 from the MAC in MII/RGMII modes, unused in RMII (VDDMAC domain)."
},
{
"number": "32",
"name": "TX_D1/TX_P",
"type": "input",
"description": "Transmit data bit 1 from the MAC or SGMII differential input TX_P (VDDMAC domain)."
},
{
"number": "33",
"name": "TX_D0/TX_M",
"type": "input",
"description": "Transmit data bit 0 from the MAC or SGMII differential input TX_M (VDDMAC domain)."
},
{
"number": "34",
"name": "VDDIO",
"type": "power_in",
"description": "1.8V, 2.5V or 3.3V IO supply; ferrite bead, 0.47µF and 0.01µF ceramic decoupling recommended."
},
{
"number": "35",
"name": "LED_0/GPIO_0",
"type": "bidirectional",
"description": "Link status LED or GPIO that is also the MS master/slave strap pin with internal pull-down, defaulting to slave (VDDIO domain)."
},
{
"number": "36",
"name": "MDIO",
"type": "bidirectional",
"description": "Open-drain bidirectional management data line requiring a 2.2kΩ to 9kΩ pull-up to VDDIO (VDDIO domain)."
},
{
"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-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin 21 is listed as NC in Tables 5-3 but as DNC in Tables 5-4 to 5-7, and has a special DP83TC815 ad; The exposed pad is labelled DAP with no numeric pin number in the pin table; confirm the number assi; Strap pins are typed bidirectional because they are sampled as inputs at reset and driven as outputs",
"2/37 pins cited to the wrong page (name found elsewhere): ['4:XO@p7', '5:XI@p7']"
],
"pages_sent": 80,
"cost_usd": 0.6691,
"at": "2026-10-31T01:46:29"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/dp83tc814s-q1",
"pages": 161,
"sha256": "d1fe2a72e0f7d7e6",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 37,
"described": 37,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "dp83tc814srharq1.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
6,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "6212c4fd2463ccb7c6ae2c35f5e24c80884153fcaeaf8e86549c0e49087bc8bb",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "dp83tc814srharq1-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
6,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "aac60f0f96f319c91f52db5b8f3fae78cd4c79172e5068b9dab3a328c86f0003",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "RHA0036A",
"source_page": 158,
"D": {
"nom_mm": 6,
"range_mm": [
5.9,
6.1
]
},
"E1": {
"nom_mm": 6,
"range_mm": [
5.9,
6.1
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 0.9,
"range_mm": [
0.8,
1
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "dp83tc814srharq1.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-36(6x6)",
"Category": "Communication Interface Chip/UART/485/232",
"Pins": "37"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "d1fe2a72e0f7d7e6fdae7ff91f74fbe2512f220d3236467fa762ec4357a69d3e",
"rows": [
{
"name": "Input voltage VDDA",
"symbol": "VDDA",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Input voltage VDDIO/VDDMAC (3.3V)",
"symbol": "VDDIO/VDDMAC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "3.3V",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Input voltage VDDIO/VDDMAC (2.5V)",
"symbol": "VDDIO/VDDMAC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "2.5V",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Input voltage VDDIO/VDDMAC (1.8V)",
"symbol": "VDDIO/VDDMAC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "1.8V",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Pin MDI voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "Pin MDI",
"source_page": 14,
"source": "datasheet"
},
{
"name": "MAC interface pin voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Pin MAC interface; max printed as VDDMAC + 0.3 V",
"source_page": 14,
"source": "datasheet"
},
{
"name": "MDIO, MDC, GPIO, XI, XO, INT, RESET, CLKOUT pin voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "max printed as VDDIO + 0.3 V",
"source_page": 14,
"source": "datasheet"
},
{
"name": "DC output voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "All pins",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 14,
"source": "datasheet"
},
{
"name": "HBM ESD, all pins",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -2000,
"typ": null,
"max": 2000,
"conditions": "HBM per AEC Q100-002, all pins",
"source_page": 14,
"source": "datasheet"
},
{
"name": "HBM ESD, TRD_N/TRD_P",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -8000,
"typ": null,
"max": 8000,
"conditions": "HBM per AEC Q100-002, TRD_N, TRD_P pins",
"source_page": 14,
"source": "datasheet"
},
{
"name": "CDM ESD",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -750,
"typ": null,
"max": 750,
"conditions": "CDM per AEC Q100-011, corner pins and other pins",
"source_page": 14,
"source": "datasheet"
},
{
"name": "IEC 61000-4-2 contact discharge",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -8000,
"typ": null,
"max": 8000,
"conditions": "TRD_N, TRD_P pins",
"source_page": 14,
"source": "datasheet"
},
{
"name": "IO supply voltage, 1.8V operation",
"symbol": "VDDIO/VDDMAC",
"kind": "recommended_operating",
"unit": "V",
"min": 1.62,
"typ": 1.8,
"max": 1.98,
"conditions": "1.8V operation",
"source_page": 14,
"source": "datasheet"
},
{
"name": "IO supply voltage, 2.5V operation",
"symbol": "VDDIO/VDDMAC",
"kind": "recommended_operating",
"unit": "V",
"min": 2.25,
"typ": 2.5,
"max": 2.75,
"conditions": "2.5V operation",
"source_page": 14,
"source": "datasheet"
},
{
"name": "IO supply voltage, 3.3V operation",
"symbol": "VDDIO/VDDMAC",
"kind": "recommended_operating",
"unit": "V",
"min": 2.97,
"typ": 3.3,
"max": 3.63,
"conditions": "3.3V operation",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Core supply voltage",
"symbol": "VDDA",
"kind": "recommended_operating",
"unit": "V",
"min": 2.97,
"typ": 3.3,
"max": 3.63,
"conditions": "3.3V",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Ambient temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Junction-to-ambient thermal resistance",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
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