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DP83848MSQ
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Texas Instruments Ethernet ICs, WQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
"schema_version": 1,
"type": "component",
"slug": "dp83848msq",
"title": "DP83848MSQ",
"brief": "Texas Instruments Ethernet ICs, WQFN-40-EP(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",
"dp83848msq",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "DP83848MSQ",
"manufacturer": "Texas Instruments",
"package": "WQFN-40-EP(6x6)",
"pin_count": 41,
"category": "Communication Interface Chip/UART/485/232",
"subcategory": "Ethernet ICs",
"datasheet": "https://www.ti.com/lit/ds/symlink/dp83848msq.pdf",
"parts": {
"symbol": "dp83848msq.kicad_sym",
"footprint": "dp83848msq.kicad_mod",
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"model_3d_step": "dp83848msq-etched.step",
"model_3d_step_plain": "dp83848msq.step",
"lbr": "dp83848msq.lbr"
},
"distributor_links": {
"lcsc": "C2876354",
"digikey": "DP83848MSQ/NOPBTR-ND",
"mouser": "926-DP83848MSQ/NOPB"
},
"distributor_check": {
"checked_at": "2026-11-12T20:09:35Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "DP83848MSQ/NOPBTR-ND",
"status": "found"
},
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"pn": "926-DP83848MSQ/NOPB",
"status": "found"
},
"matched_as": "DP83848MSQ/NOPB"
},
"pins": [
{
"number": "1",
"name": "IOVDD33",
"type": "power_in",
"description": "I/O 3.3-V supply; the device operates at VCC 3.3 V ±0.3 V."
},
{
"number": "2",
"name": "TX_CLK",
"type": "output",
"description": "MII transmit clock output at 25 MHz in 100 Mb/s mode or 2.5 MHz in 10 Mb/s mode, derived from the 25-MHz reference; unused in RMII mode."
},
{
"number": "3",
"name": "TX_EN",
"type": "input",
"description": "MII transmit enable, active high, indicating valid data on TXD[3:0]; in RMII mode it indicates valid data on TXD[1:0]."
},
{
"number": "4",
"name": "TXD_0",
"type": "input",
"description": "MII transmit data bit 0, synchronous to TX_CLK (2.5 MHz in 10 Mb/s or 25 MHz in 100 Mb/s); in RMII mode it is synchronous to the 50-MHz reference clock."
},
{
"number": "5",
"name": "TXD_1",
"type": "input",
"description": "MII transmit data bit 1, synchronous to TX_CLK (2.5 MHz in 10 Mb/s or 25 MHz in 100 Mb/s); in RMII mode it is synchronous to the 50-MHz reference clock."
},
{
"number": "6",
"name": "TXD_2",
"type": "input",
"description": "MII transmit data bit 2, synchronous to TX_CLK (2.5 MHz in 10 Mb/s or 25 MHz in 100 Mb/s); not used in RMII mode."
},
{
"number": "7",
"name": "TXD_3",
"type": "input",
"description": "MII transmit data bit 3, synchronous to TX_CLK (2.5 MHz in 10 Mb/s or 25 MHz in 100 Mb/s); not used in RMII mode."
},
{
"number": "8",
"name": "RESERVED",
"type": "unconnected",
"description": "Reserved pin; must be left unconnected."
},
{
"number": "9",
"name": "RESERVED",
"type": "unconnected",
"description": "Reserved pin; must be left unconnected."
},
{
"number": "10",
"name": "RESERVED",
"type": "unconnected",
"description": "Reserved pin; must be left unconnected."
},
{
"number": "11",
"name": "RD-",
"type": "bidirectional",
"description": "Differential receive input (PMD input pair) for 10BASE-T or 100BASE-TX; requires 3.3-V bias, and in Auto-MDIX mode this pair can serve as the transmit output."
},
{
"number": "12",
"name": "RD+",
"type": "bidirectional",
"description": "Differential receive input (PMD input pair) for 10BASE-T or 100BASE-TX; requires 3.3-V bias, and in Auto-MDIX mode this pair can serve as the transmit output."
},
{
"number": "13",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "14",
"name": "TD-",
"type": "bidirectional",
"description": "Differential transmit output (PMD output pair) for 10BASE-T or 100BASE-TX; requires 3.3-V bias, and in Auto-MDIX mode this pair can serve as the receive input."
},
{
"number": "15",
"name": "TD+",
"type": "bidirectional",
"description": "Differential transmit output (PMD output pair) for 10BASE-T or 100BASE-TX; requires 3.3-V bias, and in Auto-MDIX mode this pair can serve as the receive input."
},
{
"number": "16",
"name": "PFBIN1",
"type": "input",
"description": "Power feedback input fed only from PFBOUT (pin 19), with a 0.1-µF capacitor close to the pin; do not supply power to this pin from any other source."
},
{
"number": "17",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "18",
"name": "AVDD33",
"type": "power_in",
"description": "Analog 3.3-V supply."
},
{
"number": "19",
"name": "PFBOUT",
"type": "output",
"description": "Power feedback output; place parallel 10-µF (tantalum preferred) and 0.1-µF capacitors close to this pin and connect it to PFBIN1 (pin 16) and PFBIN2 (pin 30)."
},
{
"number": "20",
"name": "RBIAS",
"type": "input",
"description": "Bias resistor connection; a 4.87-kΩ 1% resistor must be connected from RBIAS to GND."
},
{
"number": "21",
"name": "CLK_OUT",
"type": "output",
"description": "25-MHz clock output on the DP83848H/M/T (pin 21 is CLK_OUT on this variant, not LED_SPEED); the datasheet gives no further electrical limits for this pin."
},
{
"number": "22",
"name": "LED_LINK/AN0",
"type": "bidirectional",
"description": "Link LED output (ON when link is good; in Mode 2 also blinks for transmit/receive activity); AN0 is a strap sampled at hardware reset, set with 2.2-kΩ resistors to GND or VCC and not to be tied directly."
},
{
"number": "23",
"name": "RESET_N",
"type": "input",
"description": "Active-low reset with internal pullup; asserting it low for at least 1 µs forces a reset and re-latches all strap options."
},
{
"number": "24",
"name": "MDIO",
"type": "bidirectional",
"description": "Management data I/O, bidirectional serial management data; requires a 1.5-kΩ pullup resistor."
},
{
"number": "25",
"name": "MDC",
"type": "input",
"description": "Management data clock for the MDIO interface, maximum 25 MHz with no minimum clock rate."
},
{
"number": "26",
"name": "IOVDD33",
"type": "power_in",
"description": "I/O 3.3-V supply; the device operates at VCC 3.3 V ±0.3 V."
},
{
"number": "27",
"name": "X2",
"type": "output",
"description": "Crystal output for an external 25-MHz crystal resonator; must be left unconnected when an external CMOS oscillator drives X1."
},
{
"number": "28",
"name": "X1",
"type": "input",
"description": "Primary clock input that must be a 25-MHz ±50 ppm source (crystal across X1/X2 or CMOS oscillator on X1); in RMII mode it is the 50-MHz ±50 ppm reference."
},
{
"number": "29",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "30",
"name": "PFBIN2",
"type": "input",
"description": "Power feedback input fed only from PFBOUT, with a 0.1-µF capacitor close to the pin; do not supply power to this pin from any other source."
},
{
"number": "31",
"name": "RX_CLK",
"type": "output",
"description": "MII receive clock output at 25 MHz for 100 Mb/s or 2.5 MHz for 10 Mb/s; unused in RMII mode."
},
{
"number": "32",
"name": "RX_DV/MII_MODE",
"type": "bidirectional",
"description": "MII receive data valid output (asserted when valid data is on RXD[3:0]); as a strap, high selects RMII mode and the internal pulldown defaults it to MII (0)."
},
{
"number": "33",
"name": "CRS/CRS_DV/LED_CFG",
"type": "bidirectional",
"description": "MII carrier sense output (or combined RMII carrier sense/receive data valid); as a strap it selects LED configuration mode, with default Mode 1 and a pullup."
},
{
"number": "34",
"name": "RX_ER/MDIX_EN",
"type": "bidirectional",
"description": "MII receive error output (asserted synchronously to RX_CLK on invalid symbols in 100 Mb/s); as a strap, an external pulldown disables Auto-MDIX, which is enabled by default."
},
{
"number": "35",
"name": "COL/PHYAD0",
"type": "bidirectional",
"description": "MII collision detect output (always 0 in full duplex); as a strap it is PHY address bit 0, latched at hardware reset, with weak internal pullup."
},
{
"number": "36",
"name": "RXD_0/PHYAD1",
"type": "bidirectional",
"description": "MII receive data bit 0 (RMII RXD[0]), driven synchronously to RX_CLK (or X1 in RMII); as a strap it is PHY address bit 1 with weak internal pulldown."
},
{
"number": "37",
"name": "RXD_1/PHYAD2",
"type": "bidirectional",
"description": "MII receive data bit 1 (RMII RXD[1]), driven synchronously to RX_CLK (or X1 in RMII); as a strap it is PHY address bit 2 with weak internal pulldown."
},
{
"number": "38",
"name": "RXD_2/PHYAD3",
"type": "bidirectional",
"description": "MII receive data bit 2, valid when RX_DV is asserted; as a strap it is PHY address bit 3 with weak internal pulldown."
},
{
"number": "39",
"name": "RXD_3/PHYAD4",
"type": "bidirectional",
"description": "MII receive data bit 3, valid when RX_DV is asserted; as a strap it is PHY address bit 4 with weak internal pulldown."
},
{
"number": "40",
"name": "IOGND",
"type": "power_in",
"description": "I/O ground."
},
{
"number": "41",
"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: Exposed die pad (DAP) is shown in the top-view diagram but the text gives no pin number for it, so i; Pin 21 function depends on variant: the datasheet states pin 21 is CLK_OUT for DP83848H/M/T and LED_; Pins 8, 9 and 10 are typed I/O in section 4.9/4.10 but the datasheet states they must be left unconn"
],
"pages_sent": 14,
"cost_usd": 0.0072,
"at": "2026-11-12T20:09:21"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/dp83848msq.pdf",
"pages": 87,
"sha256": "14b0911cb23ad857",
"source_tier": "mfr"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"model_3d_generated": {
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"family": "QFN",
"height_mm": 0.8,
"height_basis": "datasheet A, max",
"standoff_mm": 0
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"pins": {
"total": 41,
"described": 41,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
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"file": "dp83848msq.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "47c69cbbc6dc74a567d6daee944d1df20258d7131d3caf8b5fe47d3687262806",
"checked": "2026-11-12",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "dp83848msq-etched.step",
"role": "eda",
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"seat": "z = 0",
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"footprint_binding": "identity",
"sha256": "ecaf81f05fd205dc6c983bf75d0e8401a0c5ec4a351a1c95ecac668df0702d02",
"checked": "2026-11-12",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "RTA0040A",
"source_page": 77,
"D": {
"nom_mm": 6,
"range_mm": [
5.9,
6.1
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},
"E1": {
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"range_mm": [
5.9,
6.1
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},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 0.8,
"range_mm": [
null,
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},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "dp83848msq.step",
"verdict": "PASS",
"reasons": [
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"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "WQFN-40-EP(6x6)",
"Category": "Communication Interface Chip/UART/485/232",
"Pins": "41"
},
"appearance": {
"housing": {
"quote": "The link pulse generator produces pulses as defined in the IEEE 802.3 10BASE-T standard. Each link pulse is nominally 100 ns in duration and transmitted every 16 ms in the absence of transmit data.",
"page": 46,
"doc": "ds.pdf",
"material": "abs"
},
"version": 1,
"datasheet_sha256": "14b0911cb23ad85763639ebacacf0127f05770b9d4db2b8a5ba5c6dae4f1c4a7"
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"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "14b0911cb23ad85763639ebacacf0127f05770b9d4db2b8a5ba5c6dae4f1c4a7",
"rows": [
{
"name": "Supply voltage",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 4.2,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "DC input voltage",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "Max printed as VCC + 0.5",
"source_page": 10,
"source": "datasheet"
},
{
"name": "DC output voltage",
"symbol": "VOUT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "Max printed as VCC + 0.5",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Max case temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 147.7,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Max die temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Human body model ESD",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -4000,
"typ": null,
"max": 4000,
"conditions": "HBM, per ANSI/ESDA/JEDEC JS-001",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Charged device model ESD",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -1000,
"typ": null,
"max": 1000,
"conditions": "CDM, per JEDEC JESD22-C101",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": -0.3,
"typ": 3.3,
"max": 0.3,
"conditions": "Printed 3.3 ±0.3 V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Ambient temperature, commercial DP83848J/M",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": 0,
"typ": null,
"max": 70,
"conditions": "Commercial - DP83848J/M",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Input high voltage",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "Nominal VCC",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Input low voltage",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Input high current",
"symbol": "IIH",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 10,
"conditions": "VIN = VCC",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Input low current",
"symbol": "IIL",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 10,
"conditions": "VIN = GND",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Output low voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "IOL = 4 mA",
"source_page": 11,
"source": "datasheet"
},
{
"name": "LED output low voltage",
"symbol": "VledOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "IOL = 2.5 mA",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Tri-state leakage",
"symbol": "IOZ",
"kind": "electrical",
"unit": "µA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "VOUT = VCC",
"source_page": 11,
"source": "datasheet"
},
{
"name": "100M transmit voltage",
"symbol": "VTPTD_100",
"kind": "electrical",
"unit": "V",
"min": 0.95,
"typ": 1,
"max": 1.05,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "100M transmit voltage symmetry",
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